Class: Google::Cloud::DocumentAI::V1beta3::Document::Page

Inherits:
Object
  • Object
show all
Extended by:
Protobuf::MessageExts::ClassMethods
Includes:
Protobuf::MessageExts
Defined in:
proto_docs/google/cloud/documentai/v1beta3/document.rb

Overview

A page in a Document.

Defined Under Namespace

Classes: Block, DetectedBarcode, DetectedLanguage, Dimension, FormField, Image, ImageQualityScores, Layout, Line, Matrix, Paragraph, Symbol, Table, Token, VisualElement

Instance Attribute Summary collapse

Instance Attribute Details

#blocks ⇒ ::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Block>

Returns A list of visually detected text blocks on the page. A block has a set of lines (collected into paragraphs) that have a common line-spacing and orientation.

Returns:



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# File 'proto_docs/google/cloud/documentai/v1beta3/document.rb', line 219

class Page
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Dimension for the page.
  # @!attribute [rw] width
  #   @return [::Float]
  #     Page width.
  # @!attribute [rw] height
  #   @return [::Float]
  #     Page height.
  # @!attribute [rw] unit
  #   @return [::String]
  #     Dimension unit.
  class Dimension
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Rendered image contents for this page.
  # @!attribute [rw] content
  #   @return [::String]
  #     Raw byte content of the image.
  # @!attribute [rw] mime_type
  #   @return [::String]
  #     Encoding [media type (MIME
  #     type)](https://www.iana.org/assignments/media-types/media-types.xhtml)
  #     for the image.
  # @!attribute [rw] width
  #   @return [::Integer]
  #     Width of the image in pixels.
  # @!attribute [rw] height
  #   @return [::Integer]
  #     Height of the image in pixels.
  class Image
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Representation for transformation matrix, intended to be compatible and
  # used with OpenCV format for image manipulation.
  # @!attribute [rw] rows
  #   @return [::Integer]
  #     Number of rows in the matrix.
  # @!attribute [rw] cols
  #   @return [::Integer]
  #     Number of columns in the matrix.
  # @!attribute [rw] type
  #   @return [::Integer]
  #     This encodes information about what data type the matrix uses.
  #     For example, 0 (CV_8U) is an unsigned 8-bit image. For the full list
  #     of OpenCV primitive data types, please refer to
  #     https://docs.opencv.org/4.3.0/d1/d1b/group__core__hal__interface.html
  # @!attribute [rw] data
  #   @return [::String]
  #     The matrix data.
  class Matrix
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Visual element describing a layout unit on a page.
  # @!attribute [rw] text_anchor
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::TextAnchor]
  #     Text anchor indexing into the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document#text Document.text}.
  # @!attribute [rw] confidence
  #   @return [::Float]
  #     Confidence of the current
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} within
  #     context of the object this layout is for. e.g. confidence can be for a
  #     single token, a table, a visual element, etc. depending on context.
  #     Range `[0, 1]`.
  # @!attribute [rw] bounding_poly
  #   @return [::Google::Cloud::DocumentAI::V1beta3::BoundingPoly]
  #     The bounding polygon for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout}.
  # @!attribute [rw] orientation
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout::Orientation]
  #     Detected orientation for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout}.
  class Layout
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Detected human reading orientation.
    module Orientation
      # Unspecified orientation.
      ORIENTATION_UNSPECIFIED = 0

      # Orientation is aligned with page up.
      PAGE_UP = 1

      # Orientation is aligned with page right.
      # Turn the head 90 degrees clockwise from upright to read.
      PAGE_RIGHT = 2

      # Orientation is aligned with page down.
      # Turn the head 180 degrees from upright to read.
      PAGE_DOWN = 3

      # Orientation is aligned with page left.
      # Turn the head 90 degrees counterclockwise from upright to read.
      PAGE_LEFT = 4
    end
  end

  # A block has a set of lines (collected into paragraphs) that have a
  # common line-spacing and orientation.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Block Block}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  class Block
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A collection of lines that a human would perceive as a paragraph.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Paragraph Paragraph}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The  history of this annotation.
  class Paragraph
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A collection of tokens that a human would perceive as a line.
  # Does not cross column boundaries, can be horizontal, vertical, etc.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Line Line}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The  history of this annotation.
  class Line
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A detected token.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
  # @!attribute [rw] detected_break
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::DetectedBreak]
  #     Detected break at the end of a
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  # @!attribute [rw] style_info
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo]
  #     Text style attributes.
  class Token
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Detected break at the end of a
    # {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
    # @!attribute [rw] type
    #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::DetectedBreak::Type]
    #     Detected break type.
    class DetectedBreak
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Enum to denote the type of break found.
      module Type
        # Unspecified break type.
        TYPE_UNSPECIFIED = 0

        # A single whitespace.
        SPACE = 1

        # A wider whitespace.
        WIDE_SPACE = 2

        # A hyphen that indicates that a token has been split across lines.
        HYPHEN = 3
      end
    end

    # Font and other text style attributes.
    # @!attribute [rw] font_size
    #   @return [::Integer]
    #     Font size in points (`1` point is `¹⁄₇₂` inches).
    # @!attribute [rw] pixel_font_size
    #   @return [::Float]
    #     Font size in pixels, equal to _unrounded
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo#font_size font_size}_
    #     * _resolution_ ÷ `72.0`.
    # @!attribute [rw] letter_spacing
    #   @return [::Float]
    #     Letter spacing in points.
    # @!attribute [rw] font_type
    #   @return [::String]
    #     Name or style of the font.
    # @!attribute [rw] bold
    #   @return [::Boolean]
    #     Whether the text is bold (equivalent to
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo#font_weight font_weight}
    #     is at least `700`).
    # @!attribute [rw] italic
    #   @return [::Boolean]
    #     Whether the text is italic.
    # @!attribute [rw] underlined
    #   @return [::Boolean]
    #     Whether the text is underlined.
    # @!attribute [rw] strikeout
    #   @return [::Boolean]
    #     Whether the text is strikethrough.
    # @!attribute [rw] subscript
    #   @return [::Boolean]
    #     Whether the text is a subscript.
    # @!attribute [rw] superscript
    #   @return [::Boolean]
    #     Whether the text is a superscript.
    # @!attribute [rw] smallcaps
    #   @return [::Boolean]
    #     Whether the text is in small caps.
    # @!attribute [rw] font_weight
    #   @return [::Integer]
    #     TrueType weight on a scale `100` (thin) to `1000` (ultra-heavy).
    #     Normal is `400`, bold is `700`.
    # @!attribute [rw] handwritten
    #   @return [::Boolean]
    #     Whether the text is handwritten.
    # @!attribute [rw] text_color
    #   @return [::Google::Type::Color]
    #     Color of the text.
    # @!attribute [rw] background_color
    #   @return [::Google::Type::Color]
    #     Color of the background.
    class StyleInfo
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A detected symbol.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Symbol Symbol}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  class Symbol
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Detected non-text visual elements e.g. checkbox, signature etc. on the
  # page.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::VisualElement VisualElement}.
  # @!attribute [rw] type
  #   @return [::String]
  #     Type of the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::VisualElement VisualElement}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  class VisualElement
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A table representation similar to HTML table structure.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table Table}.
  # @!attribute [rw] header_rows
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableRow>]
  #     Header rows of the table.
  # @!attribute [rw] body_rows
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableRow>]
  #     Body rows of the table.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this table.
  class Table
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # A row of table cells.
    # @!attribute [rw] cells
    #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableCell>]
    #     Cells that make up this row.
    class TableRow
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end

    # A cell representation inside the table.
    # @!attribute [rw] layout
    #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableCell TableCell}.
    # @!attribute [rw] row_span
    #   @return [::Integer]
    #     How many rows this cell spans.
    # @!attribute [rw] col_span
    #   @return [::Integer]
    #     How many columns this cell spans.
    # @!attribute [rw] detected_languages
    #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
    #     A list of detected languages together with confidence.
    class TableCell
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A form field detected on the page.
  # @!attribute [rw] field_name
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::FormField FormField}
  #     name. e.g. `Address`, `Email`, `Grand total`, `Phone number`, etc.
  # @!attribute [rw] field_value
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::FormField FormField}
  #     value.
  # @!attribute [rw] name_detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages for name together with confidence.
  # @!attribute [rw] value_detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages for value together with confidence.
  # @!attribute [rw] value_type
  #   @return [::String]
  #     If the value is non-textual, this field represents the type. Current
  #     valid values are:
  #
  #     - blank (this indicates the `field_value` is normal text)
  #     - `unfilled_checkbox`
  #     - `filled_checkbox`
  # @!attribute [rw] corrected_key_text
  #   @return [::String]
  #     Created for Labeling UI to export key text.
  #     If corrections were made to the text identified by the
  #     `field_name.text_anchor`, this field will contain the correction.
  # @!attribute [rw] corrected_value_text
  #   @return [::String]
  #     Created for Labeling UI to export value text.
  #     If corrections were made to the text identified by the
  #     `field_value.text_anchor`, this field will contain the correction.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  class FormField
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A detected barcode.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedBarcode DetectedBarcode}.
  # @!attribute [rw] barcode
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Barcode]
  #     Detailed barcode information of the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedBarcode DetectedBarcode}.
  class DetectedBarcode
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Detected language for a structural component.
  # @!attribute [rw] language_code
  #   @return [::String]
  #     The [BCP-47 language
  #     code](https://www.unicode.org/reports/tr35/#Unicode_locale_identifier),
  #     such as `en-US` or `sr-Latn`.
  # @!attribute [rw] confidence
  #   @return [::Float]
  #     Confidence of detected language. Range `[0, 1]`.
  class DetectedLanguage
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Image quality scores for the page image.
  # @!attribute [rw] quality_score
  #   @return [::Float]
  #     The overall quality score. Range `[0, 1]` where `1` is perfect quality.
  # @!attribute [rw] detected_defects
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::ImageQualityScores::DetectedDefect>]
  #     A list of detected defects.
  class ImageQualityScores
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Image Quality Defects
    # @!attribute [rw] type
    #   @return [::String]
    #     Name of the defect type. Supported values are:
    #
    #     - `quality/defect_blurry`
    #     - `quality/defect_noisy`
    #     - `quality/defect_dark`
    #     - `quality/defect_faint`
    #     - `quality/defect_text_too_small`
    #     - `quality/defect_document_cutoff`
    #     - `quality/defect_text_cutoff`
    #     - `quality/defect_glare`
    # @!attribute [rw] confidence
    #   @return [::Float]
    #     Confidence of detected defect. Range `[0, 1]` where `1` indicates
    #     strong confidence that the defect exists.
    class DetectedDefect
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end
end

#detected_barcodes ⇒ ::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedBarcode>

Returns A list of detected barcodes.

Returns:



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# File 'proto_docs/google/cloud/documentai/v1beta3/document.rb', line 219

class Page
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Dimension for the page.
  # @!attribute [rw] width
  #   @return [::Float]
  #     Page width.
  # @!attribute [rw] height
  #   @return [::Float]
  #     Page height.
  # @!attribute [rw] unit
  #   @return [::String]
  #     Dimension unit.
  class Dimension
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Rendered image contents for this page.
  # @!attribute [rw] content
  #   @return [::String]
  #     Raw byte content of the image.
  # @!attribute [rw] mime_type
  #   @return [::String]
  #     Encoding [media type (MIME
  #     type)](https://www.iana.org/assignments/media-types/media-types.xhtml)
  #     for the image.
  # @!attribute [rw] width
  #   @return [::Integer]
  #     Width of the image in pixels.
  # @!attribute [rw] height
  #   @return [::Integer]
  #     Height of the image in pixels.
  class Image
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Representation for transformation matrix, intended to be compatible and
  # used with OpenCV format for image manipulation.
  # @!attribute [rw] rows
  #   @return [::Integer]
  #     Number of rows in the matrix.
  # @!attribute [rw] cols
  #   @return [::Integer]
  #     Number of columns in the matrix.
  # @!attribute [rw] type
  #   @return [::Integer]
  #     This encodes information about what data type the matrix uses.
  #     For example, 0 (CV_8U) is an unsigned 8-bit image. For the full list
  #     of OpenCV primitive data types, please refer to
  #     https://docs.opencv.org/4.3.0/d1/d1b/group__core__hal__interface.html
  # @!attribute [rw] data
  #   @return [::String]
  #     The matrix data.
  class Matrix
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Visual element describing a layout unit on a page.
  # @!attribute [rw] text_anchor
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::TextAnchor]
  #     Text anchor indexing into the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document#text Document.text}.
  # @!attribute [rw] confidence
  #   @return [::Float]
  #     Confidence of the current
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} within
  #     context of the object this layout is for. e.g. confidence can be for a
  #     single token, a table, a visual element, etc. depending on context.
  #     Range `[0, 1]`.
  # @!attribute [rw] bounding_poly
  #   @return [::Google::Cloud::DocumentAI::V1beta3::BoundingPoly]
  #     The bounding polygon for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout}.
  # @!attribute [rw] orientation
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout::Orientation]
  #     Detected orientation for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout}.
  class Layout
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Detected human reading orientation.
    module Orientation
      # Unspecified orientation.
      ORIENTATION_UNSPECIFIED = 0

      # Orientation is aligned with page up.
      PAGE_UP = 1

      # Orientation is aligned with page right.
      # Turn the head 90 degrees clockwise from upright to read.
      PAGE_RIGHT = 2

      # Orientation is aligned with page down.
      # Turn the head 180 degrees from upright to read.
      PAGE_DOWN = 3

      # Orientation is aligned with page left.
      # Turn the head 90 degrees counterclockwise from upright to read.
      PAGE_LEFT = 4
    end
  end

  # A block has a set of lines (collected into paragraphs) that have a
  # common line-spacing and orientation.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Block Block}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  class Block
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A collection of lines that a human would perceive as a paragraph.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Paragraph Paragraph}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The  history of this annotation.
  class Paragraph
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A collection of tokens that a human would perceive as a line.
  # Does not cross column boundaries, can be horizontal, vertical, etc.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Line Line}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The  history of this annotation.
  class Line
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A detected token.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
  # @!attribute [rw] detected_break
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::DetectedBreak]
  #     Detected break at the end of a
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  # @!attribute [rw] style_info
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo]
  #     Text style attributes.
  class Token
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Detected break at the end of a
    # {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
    # @!attribute [rw] type
    #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::DetectedBreak::Type]
    #     Detected break type.
    class DetectedBreak
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Enum to denote the type of break found.
      module Type
        # Unspecified break type.
        TYPE_UNSPECIFIED = 0

        # A single whitespace.
        SPACE = 1

        # A wider whitespace.
        WIDE_SPACE = 2

        # A hyphen that indicates that a token has been split across lines.
        HYPHEN = 3
      end
    end

    # Font and other text style attributes.
    # @!attribute [rw] font_size
    #   @return [::Integer]
    #     Font size in points (`1` point is `¹⁄₇₂` inches).
    # @!attribute [rw] pixel_font_size
    #   @return [::Float]
    #     Font size in pixels, equal to _unrounded
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo#font_size font_size}_
    #     * _resolution_ ÷ `72.0`.
    # @!attribute [rw] letter_spacing
    #   @return [::Float]
    #     Letter spacing in points.
    # @!attribute [rw] font_type
    #   @return [::String]
    #     Name or style of the font.
    # @!attribute [rw] bold
    #   @return [::Boolean]
    #     Whether the text is bold (equivalent to
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo#font_weight font_weight}
    #     is at least `700`).
    # @!attribute [rw] italic
    #   @return [::Boolean]
    #     Whether the text is italic.
    # @!attribute [rw] underlined
    #   @return [::Boolean]
    #     Whether the text is underlined.
    # @!attribute [rw] strikeout
    #   @return [::Boolean]
    #     Whether the text is strikethrough.
    # @!attribute [rw] subscript
    #   @return [::Boolean]
    #     Whether the text is a subscript.
    # @!attribute [rw] superscript
    #   @return [::Boolean]
    #     Whether the text is a superscript.
    # @!attribute [rw] smallcaps
    #   @return [::Boolean]
    #     Whether the text is in small caps.
    # @!attribute [rw] font_weight
    #   @return [::Integer]
    #     TrueType weight on a scale `100` (thin) to `1000` (ultra-heavy).
    #     Normal is `400`, bold is `700`.
    # @!attribute [rw] handwritten
    #   @return [::Boolean]
    #     Whether the text is handwritten.
    # @!attribute [rw] text_color
    #   @return [::Google::Type::Color]
    #     Color of the text.
    # @!attribute [rw] background_color
    #   @return [::Google::Type::Color]
    #     Color of the background.
    class StyleInfo
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A detected symbol.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Symbol Symbol}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  class Symbol
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Detected non-text visual elements e.g. checkbox, signature etc. on the
  # page.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::VisualElement VisualElement}.
  # @!attribute [rw] type
  #   @return [::String]
  #     Type of the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::VisualElement VisualElement}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  class VisualElement
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A table representation similar to HTML table structure.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table Table}.
  # @!attribute [rw] header_rows
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableRow>]
  #     Header rows of the table.
  # @!attribute [rw] body_rows
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableRow>]
  #     Body rows of the table.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this table.
  class Table
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # A row of table cells.
    # @!attribute [rw] cells
    #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableCell>]
    #     Cells that make up this row.
    class TableRow
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end

    # A cell representation inside the table.
    # @!attribute [rw] layout
    #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableCell TableCell}.
    # @!attribute [rw] row_span
    #   @return [::Integer]
    #     How many rows this cell spans.
    # @!attribute [rw] col_span
    #   @return [::Integer]
    #     How many columns this cell spans.
    # @!attribute [rw] detected_languages
    #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
    #     A list of detected languages together with confidence.
    class TableCell
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A form field detected on the page.
  # @!attribute [rw] field_name
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::FormField FormField}
  #     name. e.g. `Address`, `Email`, `Grand total`, `Phone number`, etc.
  # @!attribute [rw] field_value
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::FormField FormField}
  #     value.
  # @!attribute [rw] name_detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages for name together with confidence.
  # @!attribute [rw] value_detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages for value together with confidence.
  # @!attribute [rw] value_type
  #   @return [::String]
  #     If the value is non-textual, this field represents the type. Current
  #     valid values are:
  #
  #     - blank (this indicates the `field_value` is normal text)
  #     - `unfilled_checkbox`
  #     - `filled_checkbox`
  # @!attribute [rw] corrected_key_text
  #   @return [::String]
  #     Created for Labeling UI to export key text.
  #     If corrections were made to the text identified by the
  #     `field_name.text_anchor`, this field will contain the correction.
  # @!attribute [rw] corrected_value_text
  #   @return [::String]
  #     Created for Labeling UI to export value text.
  #     If corrections were made to the text identified by the
  #     `field_value.text_anchor`, this field will contain the correction.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  class FormField
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A detected barcode.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedBarcode DetectedBarcode}.
  # @!attribute [rw] barcode
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Barcode]
  #     Detailed barcode information of the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedBarcode DetectedBarcode}.
  class DetectedBarcode
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Detected language for a structural component.
  # @!attribute [rw] language_code
  #   @return [::String]
  #     The [BCP-47 language
  #     code](https://www.unicode.org/reports/tr35/#Unicode_locale_identifier),
  #     such as `en-US` or `sr-Latn`.
  # @!attribute [rw] confidence
  #   @return [::Float]
  #     Confidence of detected language. Range `[0, 1]`.
  class DetectedLanguage
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Image quality scores for the page image.
  # @!attribute [rw] quality_score
  #   @return [::Float]
  #     The overall quality score. Range `[0, 1]` where `1` is perfect quality.
  # @!attribute [rw] detected_defects
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::ImageQualityScores::DetectedDefect>]
  #     A list of detected defects.
  class ImageQualityScores
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Image Quality Defects
    # @!attribute [rw] type
    #   @return [::String]
    #     Name of the defect type. Supported values are:
    #
    #     - `quality/defect_blurry`
    #     - `quality/defect_noisy`
    #     - `quality/defect_dark`
    #     - `quality/defect_faint`
    #     - `quality/defect_text_too_small`
    #     - `quality/defect_document_cutoff`
    #     - `quality/defect_text_cutoff`
    #     - `quality/defect_glare`
    # @!attribute [rw] confidence
    #   @return [::Float]
    #     Confidence of detected defect. Range `[0, 1]` where `1` indicates
    #     strong confidence that the defect exists.
    class DetectedDefect
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end
end

#detected_languages ⇒ ::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>

Returns A list of detected languages together with confidence.

Returns:



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# File 'proto_docs/google/cloud/documentai/v1beta3/document.rb', line 219

class Page
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Dimension for the page.
  # @!attribute [rw] width
  #   @return [::Float]
  #     Page width.
  # @!attribute [rw] height
  #   @return [::Float]
  #     Page height.
  # @!attribute [rw] unit
  #   @return [::String]
  #     Dimension unit.
  class Dimension
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Rendered image contents for this page.
  # @!attribute [rw] content
  #   @return [::String]
  #     Raw byte content of the image.
  # @!attribute [rw] mime_type
  #   @return [::String]
  #     Encoding [media type (MIME
  #     type)](https://www.iana.org/assignments/media-types/media-types.xhtml)
  #     for the image.
  # @!attribute [rw] width
  #   @return [::Integer]
  #     Width of the image in pixels.
  # @!attribute [rw] height
  #   @return [::Integer]
  #     Height of the image in pixels.
  class Image
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Representation for transformation matrix, intended to be compatible and
  # used with OpenCV format for image manipulation.
  # @!attribute [rw] rows
  #   @return [::Integer]
  #     Number of rows in the matrix.
  # @!attribute [rw] cols
  #   @return [::Integer]
  #     Number of columns in the matrix.
  # @!attribute [rw] type
  #   @return [::Integer]
  #     This encodes information about what data type the matrix uses.
  #     For example, 0 (CV_8U) is an unsigned 8-bit image. For the full list
  #     of OpenCV primitive data types, please refer to
  #     https://docs.opencv.org/4.3.0/d1/d1b/group__core__hal__interface.html
  # @!attribute [rw] data
  #   @return [::String]
  #     The matrix data.
  class Matrix
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Visual element describing a layout unit on a page.
  # @!attribute [rw] text_anchor
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::TextAnchor]
  #     Text anchor indexing into the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document#text Document.text}.
  # @!attribute [rw] confidence
  #   @return [::Float]
  #     Confidence of the current
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} within
  #     context of the object this layout is for. e.g. confidence can be for a
  #     single token, a table, a visual element, etc. depending on context.
  #     Range `[0, 1]`.
  # @!attribute [rw] bounding_poly
  #   @return [::Google::Cloud::DocumentAI::V1beta3::BoundingPoly]
  #     The bounding polygon for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout}.
  # @!attribute [rw] orientation
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout::Orientation]
  #     Detected orientation for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout}.
  class Layout
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Detected human reading orientation.
    module Orientation
      # Unspecified orientation.
      ORIENTATION_UNSPECIFIED = 0

      # Orientation is aligned with page up.
      PAGE_UP = 1

      # Orientation is aligned with page right.
      # Turn the head 90 degrees clockwise from upright to read.
      PAGE_RIGHT = 2

      # Orientation is aligned with page down.
      # Turn the head 180 degrees from upright to read.
      PAGE_DOWN = 3

      # Orientation is aligned with page left.
      # Turn the head 90 degrees counterclockwise from upright to read.
      PAGE_LEFT = 4
    end
  end

  # A block has a set of lines (collected into paragraphs) that have a
  # common line-spacing and orientation.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Block Block}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  class Block
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A collection of lines that a human would perceive as a paragraph.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Paragraph Paragraph}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The  history of this annotation.
  class Paragraph
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A collection of tokens that a human would perceive as a line.
  # Does not cross column boundaries, can be horizontal, vertical, etc.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Line Line}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The  history of this annotation.
  class Line
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A detected token.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
  # @!attribute [rw] detected_break
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::DetectedBreak]
  #     Detected break at the end of a
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  # @!attribute [rw] style_info
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo]
  #     Text style attributes.
  class Token
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Detected break at the end of a
    # {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
    # @!attribute [rw] type
    #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::DetectedBreak::Type]
    #     Detected break type.
    class DetectedBreak
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Enum to denote the type of break found.
      module Type
        # Unspecified break type.
        TYPE_UNSPECIFIED = 0

        # A single whitespace.
        SPACE = 1

        # A wider whitespace.
        WIDE_SPACE = 2

        # A hyphen that indicates that a token has been split across lines.
        HYPHEN = 3
      end
    end

    # Font and other text style attributes.
    # @!attribute [rw] font_size
    #   @return [::Integer]
    #     Font size in points (`1` point is `¹⁄₇₂` inches).
    # @!attribute [rw] pixel_font_size
    #   @return [::Float]
    #     Font size in pixels, equal to _unrounded
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo#font_size font_size}_
    #     * _resolution_ ÷ `72.0`.
    # @!attribute [rw] letter_spacing
    #   @return [::Float]
    #     Letter spacing in points.
    # @!attribute [rw] font_type
    #   @return [::String]
    #     Name or style of the font.
    # @!attribute [rw] bold
    #   @return [::Boolean]
    #     Whether the text is bold (equivalent to
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo#font_weight font_weight}
    #     is at least `700`).
    # @!attribute [rw] italic
    #   @return [::Boolean]
    #     Whether the text is italic.
    # @!attribute [rw] underlined
    #   @return [::Boolean]
    #     Whether the text is underlined.
    # @!attribute [rw] strikeout
    #   @return [::Boolean]
    #     Whether the text is strikethrough.
    # @!attribute [rw] subscript
    #   @return [::Boolean]
    #     Whether the text is a subscript.
    # @!attribute [rw] superscript
    #   @return [::Boolean]
    #     Whether the text is a superscript.
    # @!attribute [rw] smallcaps
    #   @return [::Boolean]
    #     Whether the text is in small caps.
    # @!attribute [rw] font_weight
    #   @return [::Integer]
    #     TrueType weight on a scale `100` (thin) to `1000` (ultra-heavy).
    #     Normal is `400`, bold is `700`.
    # @!attribute [rw] handwritten
    #   @return [::Boolean]
    #     Whether the text is handwritten.
    # @!attribute [rw] text_color
    #   @return [::Google::Type::Color]
    #     Color of the text.
    # @!attribute [rw] background_color
    #   @return [::Google::Type::Color]
    #     Color of the background.
    class StyleInfo
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A detected symbol.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Symbol Symbol}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  class Symbol
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Detected non-text visual elements e.g. checkbox, signature etc. on the
  # page.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::VisualElement VisualElement}.
  # @!attribute [rw] type
  #   @return [::String]
  #     Type of the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::VisualElement VisualElement}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  class VisualElement
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A table representation similar to HTML table structure.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table Table}.
  # @!attribute [rw] header_rows
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableRow>]
  #     Header rows of the table.
  # @!attribute [rw] body_rows
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableRow>]
  #     Body rows of the table.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this table.
  class Table
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # A row of table cells.
    # @!attribute [rw] cells
    #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableCell>]
    #     Cells that make up this row.
    class TableRow
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end

    # A cell representation inside the table.
    # @!attribute [rw] layout
    #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableCell TableCell}.
    # @!attribute [rw] row_span
    #   @return [::Integer]
    #     How many rows this cell spans.
    # @!attribute [rw] col_span
    #   @return [::Integer]
    #     How many columns this cell spans.
    # @!attribute [rw] detected_languages
    #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
    #     A list of detected languages together with confidence.
    class TableCell
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A form field detected on the page.
  # @!attribute [rw] field_name
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::FormField FormField}
  #     name. e.g. `Address`, `Email`, `Grand total`, `Phone number`, etc.
  # @!attribute [rw] field_value
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::FormField FormField}
  #     value.
  # @!attribute [rw] name_detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages for name together with confidence.
  # @!attribute [rw] value_detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages for value together with confidence.
  # @!attribute [rw] value_type
  #   @return [::String]
  #     If the value is non-textual, this field represents the type. Current
  #     valid values are:
  #
  #     - blank (this indicates the `field_value` is normal text)
  #     - `unfilled_checkbox`
  #     - `filled_checkbox`
  # @!attribute [rw] corrected_key_text
  #   @return [::String]
  #     Created for Labeling UI to export key text.
  #     If corrections were made to the text identified by the
  #     `field_name.text_anchor`, this field will contain the correction.
  # @!attribute [rw] corrected_value_text
  #   @return [::String]
  #     Created for Labeling UI to export value text.
  #     If corrections were made to the text identified by the
  #     `field_value.text_anchor`, this field will contain the correction.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  class FormField
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A detected barcode.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedBarcode DetectedBarcode}.
  # @!attribute [rw] barcode
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Barcode]
  #     Detailed barcode information of the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedBarcode DetectedBarcode}.
  class DetectedBarcode
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Detected language for a structural component.
  # @!attribute [rw] language_code
  #   @return [::String]
  #     The [BCP-47 language
  #     code](https://www.unicode.org/reports/tr35/#Unicode_locale_identifier),
  #     such as `en-US` or `sr-Latn`.
  # @!attribute [rw] confidence
  #   @return [::Float]
  #     Confidence of detected language. Range `[0, 1]`.
  class DetectedLanguage
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Image quality scores for the page image.
  # @!attribute [rw] quality_score
  #   @return [::Float]
  #     The overall quality score. Range `[0, 1]` where `1` is perfect quality.
  # @!attribute [rw] detected_defects
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::ImageQualityScores::DetectedDefect>]
  #     A list of detected defects.
  class ImageQualityScores
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Image Quality Defects
    # @!attribute [rw] type
    #   @return [::String]
    #     Name of the defect type. Supported values are:
    #
    #     - `quality/defect_blurry`
    #     - `quality/defect_noisy`
    #     - `quality/defect_dark`
    #     - `quality/defect_faint`
    #     - `quality/defect_text_too_small`
    #     - `quality/defect_document_cutoff`
    #     - `quality/defect_text_cutoff`
    #     - `quality/defect_glare`
    # @!attribute [rw] confidence
    #   @return [::Float]
    #     Confidence of detected defect. Range `[0, 1]` where `1` indicates
    #     strong confidence that the defect exists.
    class DetectedDefect
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end
end

#dimension ⇒ ::Google::Cloud::DocumentAI::V1beta3::Document::Page::Dimension

Returns Physical dimension of the page.

Returns:



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# File 'proto_docs/google/cloud/documentai/v1beta3/document.rb', line 219

class Page
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Dimension for the page.
  # @!attribute [rw] width
  #   @return [::Float]
  #     Page width.
  # @!attribute [rw] height
  #   @return [::Float]
  #     Page height.
  # @!attribute [rw] unit
  #   @return [::String]
  #     Dimension unit.
  class Dimension
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Rendered image contents for this page.
  # @!attribute [rw] content
  #   @return [::String]
  #     Raw byte content of the image.
  # @!attribute [rw] mime_type
  #   @return [::String]
  #     Encoding [media type (MIME
  #     type)](https://www.iana.org/assignments/media-types/media-types.xhtml)
  #     for the image.
  # @!attribute [rw] width
  #   @return [::Integer]
  #     Width of the image in pixels.
  # @!attribute [rw] height
  #   @return [::Integer]
  #     Height of the image in pixels.
  class Image
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Representation for transformation matrix, intended to be compatible and
  # used with OpenCV format for image manipulation.
  # @!attribute [rw] rows
  #   @return [::Integer]
  #     Number of rows in the matrix.
  # @!attribute [rw] cols
  #   @return [::Integer]
  #     Number of columns in the matrix.
  # @!attribute [rw] type
  #   @return [::Integer]
  #     This encodes information about what data type the matrix uses.
  #     For example, 0 (CV_8U) is an unsigned 8-bit image. For the full list
  #     of OpenCV primitive data types, please refer to
  #     https://docs.opencv.org/4.3.0/d1/d1b/group__core__hal__interface.html
  # @!attribute [rw] data
  #   @return [::String]
  #     The matrix data.
  class Matrix
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Visual element describing a layout unit on a page.
  # @!attribute [rw] text_anchor
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::TextAnchor]
  #     Text anchor indexing into the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document#text Document.text}.
  # @!attribute [rw] confidence
  #   @return [::Float]
  #     Confidence of the current
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} within
  #     context of the object this layout is for. e.g. confidence can be for a
  #     single token, a table, a visual element, etc. depending on context.
  #     Range `[0, 1]`.
  # @!attribute [rw] bounding_poly
  #   @return [::Google::Cloud::DocumentAI::V1beta3::BoundingPoly]
  #     The bounding polygon for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout}.
  # @!attribute [rw] orientation
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout::Orientation]
  #     Detected orientation for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout}.
  class Layout
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Detected human reading orientation.
    module Orientation
      # Unspecified orientation.
      ORIENTATION_UNSPECIFIED = 0

      # Orientation is aligned with page up.
      PAGE_UP = 1

      # Orientation is aligned with page right.
      # Turn the head 90 degrees clockwise from upright to read.
      PAGE_RIGHT = 2

      # Orientation is aligned with page down.
      # Turn the head 180 degrees from upright to read.
      PAGE_DOWN = 3

      # Orientation is aligned with page left.
      # Turn the head 90 degrees counterclockwise from upright to read.
      PAGE_LEFT = 4
    end
  end

  # A block has a set of lines (collected into paragraphs) that have a
  # common line-spacing and orientation.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Block Block}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  class Block
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A collection of lines that a human would perceive as a paragraph.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Paragraph Paragraph}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The  history of this annotation.
  class Paragraph
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A collection of tokens that a human would perceive as a line.
  # Does not cross column boundaries, can be horizontal, vertical, etc.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Line Line}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The  history of this annotation.
  class Line
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A detected token.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
  # @!attribute [rw] detected_break
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::DetectedBreak]
  #     Detected break at the end of a
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  # @!attribute [rw] style_info
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo]
  #     Text style attributes.
  class Token
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Detected break at the end of a
    # {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
    # @!attribute [rw] type
    #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::DetectedBreak::Type]
    #     Detected break type.
    class DetectedBreak
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Enum to denote the type of break found.
      module Type
        # Unspecified break type.
        TYPE_UNSPECIFIED = 0

        # A single whitespace.
        SPACE = 1

        # A wider whitespace.
        WIDE_SPACE = 2

        # A hyphen that indicates that a token has been split across lines.
        HYPHEN = 3
      end
    end

    # Font and other text style attributes.
    # @!attribute [rw] font_size
    #   @return [::Integer]
    #     Font size in points (`1` point is `¹⁄₇₂` inches).
    # @!attribute [rw] pixel_font_size
    #   @return [::Float]
    #     Font size in pixels, equal to _unrounded
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo#font_size font_size}_
    #     * _resolution_ ÷ `72.0`.
    # @!attribute [rw] letter_spacing
    #   @return [::Float]
    #     Letter spacing in points.
    # @!attribute [rw] font_type
    #   @return [::String]
    #     Name or style of the font.
    # @!attribute [rw] bold
    #   @return [::Boolean]
    #     Whether the text is bold (equivalent to
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo#font_weight font_weight}
    #     is at least `700`).
    # @!attribute [rw] italic
    #   @return [::Boolean]
    #     Whether the text is italic.
    # @!attribute [rw] underlined
    #   @return [::Boolean]
    #     Whether the text is underlined.
    # @!attribute [rw] strikeout
    #   @return [::Boolean]
    #     Whether the text is strikethrough.
    # @!attribute [rw] subscript
    #   @return [::Boolean]
    #     Whether the text is a subscript.
    # @!attribute [rw] superscript
    #   @return [::Boolean]
    #     Whether the text is a superscript.
    # @!attribute [rw] smallcaps
    #   @return [::Boolean]
    #     Whether the text is in small caps.
    # @!attribute [rw] font_weight
    #   @return [::Integer]
    #     TrueType weight on a scale `100` (thin) to `1000` (ultra-heavy).
    #     Normal is `400`, bold is `700`.
    # @!attribute [rw] handwritten
    #   @return [::Boolean]
    #     Whether the text is handwritten.
    # @!attribute [rw] text_color
    #   @return [::Google::Type::Color]
    #     Color of the text.
    # @!attribute [rw] background_color
    #   @return [::Google::Type::Color]
    #     Color of the background.
    class StyleInfo
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A detected symbol.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Symbol Symbol}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  class Symbol
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Detected non-text visual elements e.g. checkbox, signature etc. on the
  # page.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::VisualElement VisualElement}.
  # @!attribute [rw] type
  #   @return [::String]
  #     Type of the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::VisualElement VisualElement}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  class VisualElement
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A table representation similar to HTML table structure.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table Table}.
  # @!attribute [rw] header_rows
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableRow>]
  #     Header rows of the table.
  # @!attribute [rw] body_rows
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableRow>]
  #     Body rows of the table.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this table.
  class Table
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # A row of table cells.
    # @!attribute [rw] cells
    #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableCell>]
    #     Cells that make up this row.
    class TableRow
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end

    # A cell representation inside the table.
    # @!attribute [rw] layout
    #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableCell TableCell}.
    # @!attribute [rw] row_span
    #   @return [::Integer]
    #     How many rows this cell spans.
    # @!attribute [rw] col_span
    #   @return [::Integer]
    #     How many columns this cell spans.
    # @!attribute [rw] detected_languages
    #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
    #     A list of detected languages together with confidence.
    class TableCell
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A form field detected on the page.
  # @!attribute [rw] field_name
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::FormField FormField}
  #     name. e.g. `Address`, `Email`, `Grand total`, `Phone number`, etc.
  # @!attribute [rw] field_value
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::FormField FormField}
  #     value.
  # @!attribute [rw] name_detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages for name together with confidence.
  # @!attribute [rw] value_detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages for value together with confidence.
  # @!attribute [rw] value_type
  #   @return [::String]
  #     If the value is non-textual, this field represents the type. Current
  #     valid values are:
  #
  #     - blank (this indicates the `field_value` is normal text)
  #     - `unfilled_checkbox`
  #     - `filled_checkbox`
  # @!attribute [rw] corrected_key_text
  #   @return [::String]
  #     Created for Labeling UI to export key text.
  #     If corrections were made to the text identified by the
  #     `field_name.text_anchor`, this field will contain the correction.
  # @!attribute [rw] corrected_value_text
  #   @return [::String]
  #     Created for Labeling UI to export value text.
  #     If corrections were made to the text identified by the
  #     `field_value.text_anchor`, this field will contain the correction.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  class FormField
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A detected barcode.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedBarcode DetectedBarcode}.
  # @!attribute [rw] barcode
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Barcode]
  #     Detailed barcode information of the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedBarcode DetectedBarcode}.
  class DetectedBarcode
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Detected language for a structural component.
  # @!attribute [rw] language_code
  #   @return [::String]
  #     The [BCP-47 language
  #     code](https://www.unicode.org/reports/tr35/#Unicode_locale_identifier),
  #     such as `en-US` or `sr-Latn`.
  # @!attribute [rw] confidence
  #   @return [::Float]
  #     Confidence of detected language. Range `[0, 1]`.
  class DetectedLanguage
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Image quality scores for the page image.
  # @!attribute [rw] quality_score
  #   @return [::Float]
  #     The overall quality score. Range `[0, 1]` where `1` is perfect quality.
  # @!attribute [rw] detected_defects
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::ImageQualityScores::DetectedDefect>]
  #     A list of detected defects.
  class ImageQualityScores
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Image Quality Defects
    # @!attribute [rw] type
    #   @return [::String]
    #     Name of the defect type. Supported values are:
    #
    #     - `quality/defect_blurry`
    #     - `quality/defect_noisy`
    #     - `quality/defect_dark`
    #     - `quality/defect_faint`
    #     - `quality/defect_text_too_small`
    #     - `quality/defect_document_cutoff`
    #     - `quality/defect_text_cutoff`
    #     - `quality/defect_glare`
    # @!attribute [rw] confidence
    #   @return [::Float]
    #     Confidence of detected defect. Range `[0, 1]` where `1` indicates
    #     strong confidence that the defect exists.
    class DetectedDefect
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end
end

#form_fields ⇒ ::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::FormField>

Returns A list of visually detected form fields on the page.

Returns:



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# File 'proto_docs/google/cloud/documentai/v1beta3/document.rb', line 219

class Page
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Dimension for the page.
  # @!attribute [rw] width
  #   @return [::Float]
  #     Page width.
  # @!attribute [rw] height
  #   @return [::Float]
  #     Page height.
  # @!attribute [rw] unit
  #   @return [::String]
  #     Dimension unit.
  class Dimension
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Rendered image contents for this page.
  # @!attribute [rw] content
  #   @return [::String]
  #     Raw byte content of the image.
  # @!attribute [rw] mime_type
  #   @return [::String]
  #     Encoding [media type (MIME
  #     type)](https://www.iana.org/assignments/media-types/media-types.xhtml)
  #     for the image.
  # @!attribute [rw] width
  #   @return [::Integer]
  #     Width of the image in pixels.
  # @!attribute [rw] height
  #   @return [::Integer]
  #     Height of the image in pixels.
  class Image
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Representation for transformation matrix, intended to be compatible and
  # used with OpenCV format for image manipulation.
  # @!attribute [rw] rows
  #   @return [::Integer]
  #     Number of rows in the matrix.
  # @!attribute [rw] cols
  #   @return [::Integer]
  #     Number of columns in the matrix.
  # @!attribute [rw] type
  #   @return [::Integer]
  #     This encodes information about what data type the matrix uses.
  #     For example, 0 (CV_8U) is an unsigned 8-bit image. For the full list
  #     of OpenCV primitive data types, please refer to
  #     https://docs.opencv.org/4.3.0/d1/d1b/group__core__hal__interface.html
  # @!attribute [rw] data
  #   @return [::String]
  #     The matrix data.
  class Matrix
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Visual element describing a layout unit on a page.
  # @!attribute [rw] text_anchor
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::TextAnchor]
  #     Text anchor indexing into the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document#text Document.text}.
  # @!attribute [rw] confidence
  #   @return [::Float]
  #     Confidence of the current
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} within
  #     context of the object this layout is for. e.g. confidence can be for a
  #     single token, a table, a visual element, etc. depending on context.
  #     Range `[0, 1]`.
  # @!attribute [rw] bounding_poly
  #   @return [::Google::Cloud::DocumentAI::V1beta3::BoundingPoly]
  #     The bounding polygon for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout}.
  # @!attribute [rw] orientation
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout::Orientation]
  #     Detected orientation for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout}.
  class Layout
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Detected human reading orientation.
    module Orientation
      # Unspecified orientation.
      ORIENTATION_UNSPECIFIED = 0

      # Orientation is aligned with page up.
      PAGE_UP = 1

      # Orientation is aligned with page right.
      # Turn the head 90 degrees clockwise from upright to read.
      PAGE_RIGHT = 2

      # Orientation is aligned with page down.
      # Turn the head 180 degrees from upright to read.
      PAGE_DOWN = 3

      # Orientation is aligned with page left.
      # Turn the head 90 degrees counterclockwise from upright to read.
      PAGE_LEFT = 4
    end
  end

  # A block has a set of lines (collected into paragraphs) that have a
  # common line-spacing and orientation.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Block Block}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  class Block
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A collection of lines that a human would perceive as a paragraph.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Paragraph Paragraph}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The  history of this annotation.
  class Paragraph
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A collection of tokens that a human would perceive as a line.
  # Does not cross column boundaries, can be horizontal, vertical, etc.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Line Line}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The  history of this annotation.
  class Line
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A detected token.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
  # @!attribute [rw] detected_break
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::DetectedBreak]
  #     Detected break at the end of a
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  # @!attribute [rw] style_info
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo]
  #     Text style attributes.
  class Token
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Detected break at the end of a
    # {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
    # @!attribute [rw] type
    #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::DetectedBreak::Type]
    #     Detected break type.
    class DetectedBreak
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Enum to denote the type of break found.
      module Type
        # Unspecified break type.
        TYPE_UNSPECIFIED = 0

        # A single whitespace.
        SPACE = 1

        # A wider whitespace.
        WIDE_SPACE = 2

        # A hyphen that indicates that a token has been split across lines.
        HYPHEN = 3
      end
    end

    # Font and other text style attributes.
    # @!attribute [rw] font_size
    #   @return [::Integer]
    #     Font size in points (`1` point is `¹⁄₇₂` inches).
    # @!attribute [rw] pixel_font_size
    #   @return [::Float]
    #     Font size in pixels, equal to _unrounded
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo#font_size font_size}_
    #     * _resolution_ ÷ `72.0`.
    # @!attribute [rw] letter_spacing
    #   @return [::Float]
    #     Letter spacing in points.
    # @!attribute [rw] font_type
    #   @return [::String]
    #     Name or style of the font.
    # @!attribute [rw] bold
    #   @return [::Boolean]
    #     Whether the text is bold (equivalent to
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo#font_weight font_weight}
    #     is at least `700`).
    # @!attribute [rw] italic
    #   @return [::Boolean]
    #     Whether the text is italic.
    # @!attribute [rw] underlined
    #   @return [::Boolean]
    #     Whether the text is underlined.
    # @!attribute [rw] strikeout
    #   @return [::Boolean]
    #     Whether the text is strikethrough.
    # @!attribute [rw] subscript
    #   @return [::Boolean]
    #     Whether the text is a subscript.
    # @!attribute [rw] superscript
    #   @return [::Boolean]
    #     Whether the text is a superscript.
    # @!attribute [rw] smallcaps
    #   @return [::Boolean]
    #     Whether the text is in small caps.
    # @!attribute [rw] font_weight
    #   @return [::Integer]
    #     TrueType weight on a scale `100` (thin) to `1000` (ultra-heavy).
    #     Normal is `400`, bold is `700`.
    # @!attribute [rw] handwritten
    #   @return [::Boolean]
    #     Whether the text is handwritten.
    # @!attribute [rw] text_color
    #   @return [::Google::Type::Color]
    #     Color of the text.
    # @!attribute [rw] background_color
    #   @return [::Google::Type::Color]
    #     Color of the background.
    class StyleInfo
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A detected symbol.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Symbol Symbol}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  class Symbol
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Detected non-text visual elements e.g. checkbox, signature etc. on the
  # page.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::VisualElement VisualElement}.
  # @!attribute [rw] type
  #   @return [::String]
  #     Type of the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::VisualElement VisualElement}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  class VisualElement
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A table representation similar to HTML table structure.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table Table}.
  # @!attribute [rw] header_rows
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableRow>]
  #     Header rows of the table.
  # @!attribute [rw] body_rows
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableRow>]
  #     Body rows of the table.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this table.
  class Table
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # A row of table cells.
    # @!attribute [rw] cells
    #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableCell>]
    #     Cells that make up this row.
    class TableRow
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end

    # A cell representation inside the table.
    # @!attribute [rw] layout
    #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableCell TableCell}.
    # @!attribute [rw] row_span
    #   @return [::Integer]
    #     How many rows this cell spans.
    # @!attribute [rw] col_span
    #   @return [::Integer]
    #     How many columns this cell spans.
    # @!attribute [rw] detected_languages
    #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
    #     A list of detected languages together with confidence.
    class TableCell
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A form field detected on the page.
  # @!attribute [rw] field_name
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::FormField FormField}
  #     name. e.g. `Address`, `Email`, `Grand total`, `Phone number`, etc.
  # @!attribute [rw] field_value
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::FormField FormField}
  #     value.
  # @!attribute [rw] name_detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages for name together with confidence.
  # @!attribute [rw] value_detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages for value together with confidence.
  # @!attribute [rw] value_type
  #   @return [::String]
  #     If the value is non-textual, this field represents the type. Current
  #     valid values are:
  #
  #     - blank (this indicates the `field_value` is normal text)
  #     - `unfilled_checkbox`
  #     - `filled_checkbox`
  # @!attribute [rw] corrected_key_text
  #   @return [::String]
  #     Created for Labeling UI to export key text.
  #     If corrections were made to the text identified by the
  #     `field_name.text_anchor`, this field will contain the correction.
  # @!attribute [rw] corrected_value_text
  #   @return [::String]
  #     Created for Labeling UI to export value text.
  #     If corrections were made to the text identified by the
  #     `field_value.text_anchor`, this field will contain the correction.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  class FormField
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A detected barcode.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedBarcode DetectedBarcode}.
  # @!attribute [rw] barcode
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Barcode]
  #     Detailed barcode information of the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedBarcode DetectedBarcode}.
  class DetectedBarcode
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Detected language for a structural component.
  # @!attribute [rw] language_code
  #   @return [::String]
  #     The [BCP-47 language
  #     code](https://www.unicode.org/reports/tr35/#Unicode_locale_identifier),
  #     such as `en-US` or `sr-Latn`.
  # @!attribute [rw] confidence
  #   @return [::Float]
  #     Confidence of detected language. Range `[0, 1]`.
  class DetectedLanguage
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Image quality scores for the page image.
  # @!attribute [rw] quality_score
  #   @return [::Float]
  #     The overall quality score. Range `[0, 1]` where `1` is perfect quality.
  # @!attribute [rw] detected_defects
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::ImageQualityScores::DetectedDefect>]
  #     A list of detected defects.
  class ImageQualityScores
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Image Quality Defects
    # @!attribute [rw] type
    #   @return [::String]
    #     Name of the defect type. Supported values are:
    #
    #     - `quality/defect_blurry`
    #     - `quality/defect_noisy`
    #     - `quality/defect_dark`
    #     - `quality/defect_faint`
    #     - `quality/defect_text_too_small`
    #     - `quality/defect_document_cutoff`
    #     - `quality/defect_text_cutoff`
    #     - `quality/defect_glare`
    # @!attribute [rw] confidence
    #   @return [::Float]
    #     Confidence of detected defect. Range `[0, 1]` where `1` indicates
    #     strong confidence that the defect exists.
    class DetectedDefect
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end
end

#image ⇒ ::Google::Cloud::DocumentAI::V1beta3::Document::Page::Image

Returns Rendered image for this page. This image is preprocessed to remove any skew, rotation, and distortions such that the annotation bounding boxes can be upright and axis-aligned.

Returns:



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# File 'proto_docs/google/cloud/documentai/v1beta3/document.rb', line 219

class Page
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Dimension for the page.
  # @!attribute [rw] width
  #   @return [::Float]
  #     Page width.
  # @!attribute [rw] height
  #   @return [::Float]
  #     Page height.
  # @!attribute [rw] unit
  #   @return [::String]
  #     Dimension unit.
  class Dimension
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Rendered image contents for this page.
  # @!attribute [rw] content
  #   @return [::String]
  #     Raw byte content of the image.
  # @!attribute [rw] mime_type
  #   @return [::String]
  #     Encoding [media type (MIME
  #     type)](https://www.iana.org/assignments/media-types/media-types.xhtml)
  #     for the image.
  # @!attribute [rw] width
  #   @return [::Integer]
  #     Width of the image in pixels.
  # @!attribute [rw] height
  #   @return [::Integer]
  #     Height of the image in pixels.
  class Image
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Representation for transformation matrix, intended to be compatible and
  # used with OpenCV format for image manipulation.
  # @!attribute [rw] rows
  #   @return [::Integer]
  #     Number of rows in the matrix.
  # @!attribute [rw] cols
  #   @return [::Integer]
  #     Number of columns in the matrix.
  # @!attribute [rw] type
  #   @return [::Integer]
  #     This encodes information about what data type the matrix uses.
  #     For example, 0 (CV_8U) is an unsigned 8-bit image. For the full list
  #     of OpenCV primitive data types, please refer to
  #     https://docs.opencv.org/4.3.0/d1/d1b/group__core__hal__interface.html
  # @!attribute [rw] data
  #   @return [::String]
  #     The matrix data.
  class Matrix
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Visual element describing a layout unit on a page.
  # @!attribute [rw] text_anchor
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::TextAnchor]
  #     Text anchor indexing into the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document#text Document.text}.
  # @!attribute [rw] confidence
  #   @return [::Float]
  #     Confidence of the current
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} within
  #     context of the object this layout is for. e.g. confidence can be for a
  #     single token, a table, a visual element, etc. depending on context.
  #     Range `[0, 1]`.
  # @!attribute [rw] bounding_poly
  #   @return [::Google::Cloud::DocumentAI::V1beta3::BoundingPoly]
  #     The bounding polygon for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout}.
  # @!attribute [rw] orientation
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout::Orientation]
  #     Detected orientation for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout}.
  class Layout
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Detected human reading orientation.
    module Orientation
      # Unspecified orientation.
      ORIENTATION_UNSPECIFIED = 0

      # Orientation is aligned with page up.
      PAGE_UP = 1

      # Orientation is aligned with page right.
      # Turn the head 90 degrees clockwise from upright to read.
      PAGE_RIGHT = 2

      # Orientation is aligned with page down.
      # Turn the head 180 degrees from upright to read.
      PAGE_DOWN = 3

      # Orientation is aligned with page left.
      # Turn the head 90 degrees counterclockwise from upright to read.
      PAGE_LEFT = 4
    end
  end

  # A block has a set of lines (collected into paragraphs) that have a
  # common line-spacing and orientation.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Block Block}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  class Block
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A collection of lines that a human would perceive as a paragraph.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Paragraph Paragraph}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The  history of this annotation.
  class Paragraph
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A collection of tokens that a human would perceive as a line.
  # Does not cross column boundaries, can be horizontal, vertical, etc.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Line Line}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The  history of this annotation.
  class Line
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A detected token.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
  # @!attribute [rw] detected_break
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::DetectedBreak]
  #     Detected break at the end of a
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  # @!attribute [rw] style_info
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo]
  #     Text style attributes.
  class Token
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Detected break at the end of a
    # {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
    # @!attribute [rw] type
    #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::DetectedBreak::Type]
    #     Detected break type.
    class DetectedBreak
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Enum to denote the type of break found.
      module Type
        # Unspecified break type.
        TYPE_UNSPECIFIED = 0

        # A single whitespace.
        SPACE = 1

        # A wider whitespace.
        WIDE_SPACE = 2

        # A hyphen that indicates that a token has been split across lines.
        HYPHEN = 3
      end
    end

    # Font and other text style attributes.
    # @!attribute [rw] font_size
    #   @return [::Integer]
    #     Font size in points (`1` point is `¹⁄₇₂` inches).
    # @!attribute [rw] pixel_font_size
    #   @return [::Float]
    #     Font size in pixels, equal to _unrounded
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo#font_size font_size}_
    #     * _resolution_ ÷ `72.0`.
    # @!attribute [rw] letter_spacing
    #   @return [::Float]
    #     Letter spacing in points.
    # @!attribute [rw] font_type
    #   @return [::String]
    #     Name or style of the font.
    # @!attribute [rw] bold
    #   @return [::Boolean]
    #     Whether the text is bold (equivalent to
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo#font_weight font_weight}
    #     is at least `700`).
    # @!attribute [rw] italic
    #   @return [::Boolean]
    #     Whether the text is italic.
    # @!attribute [rw] underlined
    #   @return [::Boolean]
    #     Whether the text is underlined.
    # @!attribute [rw] strikeout
    #   @return [::Boolean]
    #     Whether the text is strikethrough.
    # @!attribute [rw] subscript
    #   @return [::Boolean]
    #     Whether the text is a subscript.
    # @!attribute [rw] superscript
    #   @return [::Boolean]
    #     Whether the text is a superscript.
    # @!attribute [rw] smallcaps
    #   @return [::Boolean]
    #     Whether the text is in small caps.
    # @!attribute [rw] font_weight
    #   @return [::Integer]
    #     TrueType weight on a scale `100` (thin) to `1000` (ultra-heavy).
    #     Normal is `400`, bold is `700`.
    # @!attribute [rw] handwritten
    #   @return [::Boolean]
    #     Whether the text is handwritten.
    # @!attribute [rw] text_color
    #   @return [::Google::Type::Color]
    #     Color of the text.
    # @!attribute [rw] background_color
    #   @return [::Google::Type::Color]
    #     Color of the background.
    class StyleInfo
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A detected symbol.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Symbol Symbol}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  class Symbol
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Detected non-text visual elements e.g. checkbox, signature etc. on the
  # page.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::VisualElement VisualElement}.
  # @!attribute [rw] type
  #   @return [::String]
  #     Type of the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::VisualElement VisualElement}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  class VisualElement
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A table representation similar to HTML table structure.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table Table}.
  # @!attribute [rw] header_rows
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableRow>]
  #     Header rows of the table.
  # @!attribute [rw] body_rows
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableRow>]
  #     Body rows of the table.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this table.
  class Table
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # A row of table cells.
    # @!attribute [rw] cells
    #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableCell>]
    #     Cells that make up this row.
    class TableRow
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end

    # A cell representation inside the table.
    # @!attribute [rw] layout
    #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableCell TableCell}.
    # @!attribute [rw] row_span
    #   @return [::Integer]
    #     How many rows this cell spans.
    # @!attribute [rw] col_span
    #   @return [::Integer]
    #     How many columns this cell spans.
    # @!attribute [rw] detected_languages
    #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
    #     A list of detected languages together with confidence.
    class TableCell
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A form field detected on the page.
  # @!attribute [rw] field_name
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::FormField FormField}
  #     name. e.g. `Address`, `Email`, `Grand total`, `Phone number`, etc.
  # @!attribute [rw] field_value
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::FormField FormField}
  #     value.
  # @!attribute [rw] name_detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages for name together with confidence.
  # @!attribute [rw] value_detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages for value together with confidence.
  # @!attribute [rw] value_type
  #   @return [::String]
  #     If the value is non-textual, this field represents the type. Current
  #     valid values are:
  #
  #     - blank (this indicates the `field_value` is normal text)
  #     - `unfilled_checkbox`
  #     - `filled_checkbox`
  # @!attribute [rw] corrected_key_text
  #   @return [::String]
  #     Created for Labeling UI to export key text.
  #     If corrections were made to the text identified by the
  #     `field_name.text_anchor`, this field will contain the correction.
  # @!attribute [rw] corrected_value_text
  #   @return [::String]
  #     Created for Labeling UI to export value text.
  #     If corrections were made to the text identified by the
  #     `field_value.text_anchor`, this field will contain the correction.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  class FormField
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A detected barcode.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedBarcode DetectedBarcode}.
  # @!attribute [rw] barcode
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Barcode]
  #     Detailed barcode information of the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedBarcode DetectedBarcode}.
  class DetectedBarcode
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Detected language for a structural component.
  # @!attribute [rw] language_code
  #   @return [::String]
  #     The [BCP-47 language
  #     code](https://www.unicode.org/reports/tr35/#Unicode_locale_identifier),
  #     such as `en-US` or `sr-Latn`.
  # @!attribute [rw] confidence
  #   @return [::Float]
  #     Confidence of detected language. Range `[0, 1]`.
  class DetectedLanguage
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Image quality scores for the page image.
  # @!attribute [rw] quality_score
  #   @return [::Float]
  #     The overall quality score. Range `[0, 1]` where `1` is perfect quality.
  # @!attribute [rw] detected_defects
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::ImageQualityScores::DetectedDefect>]
  #     A list of detected defects.
  class ImageQualityScores
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Image Quality Defects
    # @!attribute [rw] type
    #   @return [::String]
    #     Name of the defect type. Supported values are:
    #
    #     - `quality/defect_blurry`
    #     - `quality/defect_noisy`
    #     - `quality/defect_dark`
    #     - `quality/defect_faint`
    #     - `quality/defect_text_too_small`
    #     - `quality/defect_document_cutoff`
    #     - `quality/defect_text_cutoff`
    #     - `quality/defect_glare`
    # @!attribute [rw] confidence
    #   @return [::Float]
    #     Confidence of detected defect. Range `[0, 1]` where `1` indicates
    #     strong confidence that the defect exists.
    class DetectedDefect
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end
end

#image_quality_scores ⇒ ::Google::Cloud::DocumentAI::V1beta3::Document::Page::ImageQualityScores

Returns Image quality scores.

Returns:



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# File 'proto_docs/google/cloud/documentai/v1beta3/document.rb', line 219

class Page
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Dimension for the page.
  # @!attribute [rw] width
  #   @return [::Float]
  #     Page width.
  # @!attribute [rw] height
  #   @return [::Float]
  #     Page height.
  # @!attribute [rw] unit
  #   @return [::String]
  #     Dimension unit.
  class Dimension
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Rendered image contents for this page.
  # @!attribute [rw] content
  #   @return [::String]
  #     Raw byte content of the image.
  # @!attribute [rw] mime_type
  #   @return [::String]
  #     Encoding [media type (MIME
  #     type)](https://www.iana.org/assignments/media-types/media-types.xhtml)
  #     for the image.
  # @!attribute [rw] width
  #   @return [::Integer]
  #     Width of the image in pixels.
  # @!attribute [rw] height
  #   @return [::Integer]
  #     Height of the image in pixels.
  class Image
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Representation for transformation matrix, intended to be compatible and
  # used with OpenCV format for image manipulation.
  # @!attribute [rw] rows
  #   @return [::Integer]
  #     Number of rows in the matrix.
  # @!attribute [rw] cols
  #   @return [::Integer]
  #     Number of columns in the matrix.
  # @!attribute [rw] type
  #   @return [::Integer]
  #     This encodes information about what data type the matrix uses.
  #     For example, 0 (CV_8U) is an unsigned 8-bit image. For the full list
  #     of OpenCV primitive data types, please refer to
  #     https://docs.opencv.org/4.3.0/d1/d1b/group__core__hal__interface.html
  # @!attribute [rw] data
  #   @return [::String]
  #     The matrix data.
  class Matrix
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Visual element describing a layout unit on a page.
  # @!attribute [rw] text_anchor
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::TextAnchor]
  #     Text anchor indexing into the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document#text Document.text}.
  # @!attribute [rw] confidence
  #   @return [::Float]
  #     Confidence of the current
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} within
  #     context of the object this layout is for. e.g. confidence can be for a
  #     single token, a table, a visual element, etc. depending on context.
  #     Range `[0, 1]`.
  # @!attribute [rw] bounding_poly
  #   @return [::Google::Cloud::DocumentAI::V1beta3::BoundingPoly]
  #     The bounding polygon for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout}.
  # @!attribute [rw] orientation
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout::Orientation]
  #     Detected orientation for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout}.
  class Layout
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Detected human reading orientation.
    module Orientation
      # Unspecified orientation.
      ORIENTATION_UNSPECIFIED = 0

      # Orientation is aligned with page up.
      PAGE_UP = 1

      # Orientation is aligned with page right.
      # Turn the head 90 degrees clockwise from upright to read.
      PAGE_RIGHT = 2

      # Orientation is aligned with page down.
      # Turn the head 180 degrees from upright to read.
      PAGE_DOWN = 3

      # Orientation is aligned with page left.
      # Turn the head 90 degrees counterclockwise from upright to read.
      PAGE_LEFT = 4
    end
  end

  # A block has a set of lines (collected into paragraphs) that have a
  # common line-spacing and orientation.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Block Block}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  class Block
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A collection of lines that a human would perceive as a paragraph.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Paragraph Paragraph}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The  history of this annotation.
  class Paragraph
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A collection of tokens that a human would perceive as a line.
  # Does not cross column boundaries, can be horizontal, vertical, etc.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Line Line}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The  history of this annotation.
  class Line
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A detected token.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
  # @!attribute [rw] detected_break
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::DetectedBreak]
  #     Detected break at the end of a
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  # @!attribute [rw] style_info
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo]
  #     Text style attributes.
  class Token
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Detected break at the end of a
    # {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
    # @!attribute [rw] type
    #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::DetectedBreak::Type]
    #     Detected break type.
    class DetectedBreak
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Enum to denote the type of break found.
      module Type
        # Unspecified break type.
        TYPE_UNSPECIFIED = 0

        # A single whitespace.
        SPACE = 1

        # A wider whitespace.
        WIDE_SPACE = 2

        # A hyphen that indicates that a token has been split across lines.
        HYPHEN = 3
      end
    end

    # Font and other text style attributes.
    # @!attribute [rw] font_size
    #   @return [::Integer]
    #     Font size in points (`1` point is `¹⁄₇₂` inches).
    # @!attribute [rw] pixel_font_size
    #   @return [::Float]
    #     Font size in pixels, equal to _unrounded
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo#font_size font_size}_
    #     * _resolution_ ÷ `72.0`.
    # @!attribute [rw] letter_spacing
    #   @return [::Float]
    #     Letter spacing in points.
    # @!attribute [rw] font_type
    #   @return [::String]
    #     Name or style of the font.
    # @!attribute [rw] bold
    #   @return [::Boolean]
    #     Whether the text is bold (equivalent to
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo#font_weight font_weight}
    #     is at least `700`).
    # @!attribute [rw] italic
    #   @return [::Boolean]
    #     Whether the text is italic.
    # @!attribute [rw] underlined
    #   @return [::Boolean]
    #     Whether the text is underlined.
    # @!attribute [rw] strikeout
    #   @return [::Boolean]
    #     Whether the text is strikethrough.
    # @!attribute [rw] subscript
    #   @return [::Boolean]
    #     Whether the text is a subscript.
    # @!attribute [rw] superscript
    #   @return [::Boolean]
    #     Whether the text is a superscript.
    # @!attribute [rw] smallcaps
    #   @return [::Boolean]
    #     Whether the text is in small caps.
    # @!attribute [rw] font_weight
    #   @return [::Integer]
    #     TrueType weight on a scale `100` (thin) to `1000` (ultra-heavy).
    #     Normal is `400`, bold is `700`.
    # @!attribute [rw] handwritten
    #   @return [::Boolean]
    #     Whether the text is handwritten.
    # @!attribute [rw] text_color
    #   @return [::Google::Type::Color]
    #     Color of the text.
    # @!attribute [rw] background_color
    #   @return [::Google::Type::Color]
    #     Color of the background.
    class StyleInfo
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A detected symbol.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Symbol Symbol}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  class Symbol
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Detected non-text visual elements e.g. checkbox, signature etc. on the
  # page.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::VisualElement VisualElement}.
  # @!attribute [rw] type
  #   @return [::String]
  #     Type of the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::VisualElement VisualElement}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  class VisualElement
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A table representation similar to HTML table structure.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table Table}.
  # @!attribute [rw] header_rows
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableRow>]
  #     Header rows of the table.
  # @!attribute [rw] body_rows
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableRow>]
  #     Body rows of the table.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this table.
  class Table
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # A row of table cells.
    # @!attribute [rw] cells
    #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableCell>]
    #     Cells that make up this row.
    class TableRow
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end

    # A cell representation inside the table.
    # @!attribute [rw] layout
    #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableCell TableCell}.
    # @!attribute [rw] row_span
    #   @return [::Integer]
    #     How many rows this cell spans.
    # @!attribute [rw] col_span
    #   @return [::Integer]
    #     How many columns this cell spans.
    # @!attribute [rw] detected_languages
    #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
    #     A list of detected languages together with confidence.
    class TableCell
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A form field detected on the page.
  # @!attribute [rw] field_name
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::FormField FormField}
  #     name. e.g. `Address`, `Email`, `Grand total`, `Phone number`, etc.
  # @!attribute [rw] field_value
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::FormField FormField}
  #     value.
  # @!attribute [rw] name_detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages for name together with confidence.
  # @!attribute [rw] value_detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages for value together with confidence.
  # @!attribute [rw] value_type
  #   @return [::String]
  #     If the value is non-textual, this field represents the type. Current
  #     valid values are:
  #
  #     - blank (this indicates the `field_value` is normal text)
  #     - `unfilled_checkbox`
  #     - `filled_checkbox`
  # @!attribute [rw] corrected_key_text
  #   @return [::String]
  #     Created for Labeling UI to export key text.
  #     If corrections were made to the text identified by the
  #     `field_name.text_anchor`, this field will contain the correction.
  # @!attribute [rw] corrected_value_text
  #   @return [::String]
  #     Created for Labeling UI to export value text.
  #     If corrections were made to the text identified by the
  #     `field_value.text_anchor`, this field will contain the correction.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  class FormField
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A detected barcode.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedBarcode DetectedBarcode}.
  # @!attribute [rw] barcode
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Barcode]
  #     Detailed barcode information of the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedBarcode DetectedBarcode}.
  class DetectedBarcode
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Detected language for a structural component.
  # @!attribute [rw] language_code
  #   @return [::String]
  #     The [BCP-47 language
  #     code](https://www.unicode.org/reports/tr35/#Unicode_locale_identifier),
  #     such as `en-US` or `sr-Latn`.
  # @!attribute [rw] confidence
  #   @return [::Float]
  #     Confidence of detected language. Range `[0, 1]`.
  class DetectedLanguage
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Image quality scores for the page image.
  # @!attribute [rw] quality_score
  #   @return [::Float]
  #     The overall quality score. Range `[0, 1]` where `1` is perfect quality.
  # @!attribute [rw] detected_defects
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::ImageQualityScores::DetectedDefect>]
  #     A list of detected defects.
  class ImageQualityScores
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Image Quality Defects
    # @!attribute [rw] type
    #   @return [::String]
    #     Name of the defect type. Supported values are:
    #
    #     - `quality/defect_blurry`
    #     - `quality/defect_noisy`
    #     - `quality/defect_dark`
    #     - `quality/defect_faint`
    #     - `quality/defect_text_too_small`
    #     - `quality/defect_document_cutoff`
    #     - `quality/defect_text_cutoff`
    #     - `quality/defect_glare`
    # @!attribute [rw] confidence
    #   @return [::Float]
    #     Confidence of detected defect. Range `[0, 1]` where `1` indicates
    #     strong confidence that the defect exists.
    class DetectedDefect
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end
end

#layout ⇒ ::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout

Returns Layout for the page.

Returns:



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# File 'proto_docs/google/cloud/documentai/v1beta3/document.rb', line 219

class Page
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Dimension for the page.
  # @!attribute [rw] width
  #   @return [::Float]
  #     Page width.
  # @!attribute [rw] height
  #   @return [::Float]
  #     Page height.
  # @!attribute [rw] unit
  #   @return [::String]
  #     Dimension unit.
  class Dimension
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Rendered image contents for this page.
  # @!attribute [rw] content
  #   @return [::String]
  #     Raw byte content of the image.
  # @!attribute [rw] mime_type
  #   @return [::String]
  #     Encoding [media type (MIME
  #     type)](https://www.iana.org/assignments/media-types/media-types.xhtml)
  #     for the image.
  # @!attribute [rw] width
  #   @return [::Integer]
  #     Width of the image in pixels.
  # @!attribute [rw] height
  #   @return [::Integer]
  #     Height of the image in pixels.
  class Image
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Representation for transformation matrix, intended to be compatible and
  # used with OpenCV format for image manipulation.
  # @!attribute [rw] rows
  #   @return [::Integer]
  #     Number of rows in the matrix.
  # @!attribute [rw] cols
  #   @return [::Integer]
  #     Number of columns in the matrix.
  # @!attribute [rw] type
  #   @return [::Integer]
  #     This encodes information about what data type the matrix uses.
  #     For example, 0 (CV_8U) is an unsigned 8-bit image. For the full list
  #     of OpenCV primitive data types, please refer to
  #     https://docs.opencv.org/4.3.0/d1/d1b/group__core__hal__interface.html
  # @!attribute [rw] data
  #   @return [::String]
  #     The matrix data.
  class Matrix
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Visual element describing a layout unit on a page.
  # @!attribute [rw] text_anchor
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::TextAnchor]
  #     Text anchor indexing into the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document#text Document.text}.
  # @!attribute [rw] confidence
  #   @return [::Float]
  #     Confidence of the current
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} within
  #     context of the object this layout is for. e.g. confidence can be for a
  #     single token, a table, a visual element, etc. depending on context.
  #     Range `[0, 1]`.
  # @!attribute [rw] bounding_poly
  #   @return [::Google::Cloud::DocumentAI::V1beta3::BoundingPoly]
  #     The bounding polygon for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout}.
  # @!attribute [rw] orientation
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout::Orientation]
  #     Detected orientation for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout}.
  class Layout
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Detected human reading orientation.
    module Orientation
      # Unspecified orientation.
      ORIENTATION_UNSPECIFIED = 0

      # Orientation is aligned with page up.
      PAGE_UP = 1

      # Orientation is aligned with page right.
      # Turn the head 90 degrees clockwise from upright to read.
      PAGE_RIGHT = 2

      # Orientation is aligned with page down.
      # Turn the head 180 degrees from upright to read.
      PAGE_DOWN = 3

      # Orientation is aligned with page left.
      # Turn the head 90 degrees counterclockwise from upright to read.
      PAGE_LEFT = 4
    end
  end

  # A block has a set of lines (collected into paragraphs) that have a
  # common line-spacing and orientation.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Block Block}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  class Block
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A collection of lines that a human would perceive as a paragraph.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Paragraph Paragraph}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The  history of this annotation.
  class Paragraph
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A collection of tokens that a human would perceive as a line.
  # Does not cross column boundaries, can be horizontal, vertical, etc.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Line Line}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The  history of this annotation.
  class Line
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A detected token.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
  # @!attribute [rw] detected_break
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::DetectedBreak]
  #     Detected break at the end of a
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  # @!attribute [rw] style_info
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo]
  #     Text style attributes.
  class Token
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Detected break at the end of a
    # {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
    # @!attribute [rw] type
    #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::DetectedBreak::Type]
    #     Detected break type.
    class DetectedBreak
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Enum to denote the type of break found.
      module Type
        # Unspecified break type.
        TYPE_UNSPECIFIED = 0

        # A single whitespace.
        SPACE = 1

        # A wider whitespace.
        WIDE_SPACE = 2

        # A hyphen that indicates that a token has been split across lines.
        HYPHEN = 3
      end
    end

    # Font and other text style attributes.
    # @!attribute [rw] font_size
    #   @return [::Integer]
    #     Font size in points (`1` point is `¹⁄₇₂` inches).
    # @!attribute [rw] pixel_font_size
    #   @return [::Float]
    #     Font size in pixels, equal to _unrounded
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo#font_size font_size}_
    #     * _resolution_ ÷ `72.0`.
    # @!attribute [rw] letter_spacing
    #   @return [::Float]
    #     Letter spacing in points.
    # @!attribute [rw] font_type
    #   @return [::String]
    #     Name or style of the font.
    # @!attribute [rw] bold
    #   @return [::Boolean]
    #     Whether the text is bold (equivalent to
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo#font_weight font_weight}
    #     is at least `700`).
    # @!attribute [rw] italic
    #   @return [::Boolean]
    #     Whether the text is italic.
    # @!attribute [rw] underlined
    #   @return [::Boolean]
    #     Whether the text is underlined.
    # @!attribute [rw] strikeout
    #   @return [::Boolean]
    #     Whether the text is strikethrough.
    # @!attribute [rw] subscript
    #   @return [::Boolean]
    #     Whether the text is a subscript.
    # @!attribute [rw] superscript
    #   @return [::Boolean]
    #     Whether the text is a superscript.
    # @!attribute [rw] smallcaps
    #   @return [::Boolean]
    #     Whether the text is in small caps.
    # @!attribute [rw] font_weight
    #   @return [::Integer]
    #     TrueType weight on a scale `100` (thin) to `1000` (ultra-heavy).
    #     Normal is `400`, bold is `700`.
    # @!attribute [rw] handwritten
    #   @return [::Boolean]
    #     Whether the text is handwritten.
    # @!attribute [rw] text_color
    #   @return [::Google::Type::Color]
    #     Color of the text.
    # @!attribute [rw] background_color
    #   @return [::Google::Type::Color]
    #     Color of the background.
    class StyleInfo
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A detected symbol.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Symbol Symbol}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  class Symbol
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Detected non-text visual elements e.g. checkbox, signature etc. on the
  # page.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::VisualElement VisualElement}.
  # @!attribute [rw] type
  #   @return [::String]
  #     Type of the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::VisualElement VisualElement}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  class VisualElement
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A table representation similar to HTML table structure.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table Table}.
  # @!attribute [rw] header_rows
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableRow>]
  #     Header rows of the table.
  # @!attribute [rw] body_rows
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableRow>]
  #     Body rows of the table.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this table.
  class Table
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # A row of table cells.
    # @!attribute [rw] cells
    #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableCell>]
    #     Cells that make up this row.
    class TableRow
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end

    # A cell representation inside the table.
    # @!attribute [rw] layout
    #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableCell TableCell}.
    # @!attribute [rw] row_span
    #   @return [::Integer]
    #     How many rows this cell spans.
    # @!attribute [rw] col_span
    #   @return [::Integer]
    #     How many columns this cell spans.
    # @!attribute [rw] detected_languages
    #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
    #     A list of detected languages together with confidence.
    class TableCell
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A form field detected on the page.
  # @!attribute [rw] field_name
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::FormField FormField}
  #     name. e.g. `Address`, `Email`, `Grand total`, `Phone number`, etc.
  # @!attribute [rw] field_value
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::FormField FormField}
  #     value.
  # @!attribute [rw] name_detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages for name together with confidence.
  # @!attribute [rw] value_detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages for value together with confidence.
  # @!attribute [rw] value_type
  #   @return [::String]
  #     If the value is non-textual, this field represents the type. Current
  #     valid values are:
  #
  #     - blank (this indicates the `field_value` is normal text)
  #     - `unfilled_checkbox`
  #     - `filled_checkbox`
  # @!attribute [rw] corrected_key_text
  #   @return [::String]
  #     Created for Labeling UI to export key text.
  #     If corrections were made to the text identified by the
  #     `field_name.text_anchor`, this field will contain the correction.
  # @!attribute [rw] corrected_value_text
  #   @return [::String]
  #     Created for Labeling UI to export value text.
  #     If corrections were made to the text identified by the
  #     `field_value.text_anchor`, this field will contain the correction.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  class FormField
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A detected barcode.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedBarcode DetectedBarcode}.
  # @!attribute [rw] barcode
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Barcode]
  #     Detailed barcode information of the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedBarcode DetectedBarcode}.
  class DetectedBarcode
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Detected language for a structural component.
  # @!attribute [rw] language_code
  #   @return [::String]
  #     The [BCP-47 language
  #     code](https://www.unicode.org/reports/tr35/#Unicode_locale_identifier),
  #     such as `en-US` or `sr-Latn`.
  # @!attribute [rw] confidence
  #   @return [::Float]
  #     Confidence of detected language. Range `[0, 1]`.
  class DetectedLanguage
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Image quality scores for the page image.
  # @!attribute [rw] quality_score
  #   @return [::Float]
  #     The overall quality score. Range `[0, 1]` where `1` is perfect quality.
  # @!attribute [rw] detected_defects
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::ImageQualityScores::DetectedDefect>]
  #     A list of detected defects.
  class ImageQualityScores
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Image Quality Defects
    # @!attribute [rw] type
    #   @return [::String]
    #     Name of the defect type. Supported values are:
    #
    #     - `quality/defect_blurry`
    #     - `quality/defect_noisy`
    #     - `quality/defect_dark`
    #     - `quality/defect_faint`
    #     - `quality/defect_text_too_small`
    #     - `quality/defect_document_cutoff`
    #     - `quality/defect_text_cutoff`
    #     - `quality/defect_glare`
    # @!attribute [rw] confidence
    #   @return [::Float]
    #     Confidence of detected defect. Range `[0, 1]` where `1` indicates
    #     strong confidence that the defect exists.
    class DetectedDefect
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end
end

#lines ⇒ ::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Line>

Returns A list of visually detected text lines on the page. A collection of tokens that a human would perceive as a line.

Returns:



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# File 'proto_docs/google/cloud/documentai/v1beta3/document.rb', line 219

class Page
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Dimension for the page.
  # @!attribute [rw] width
  #   @return [::Float]
  #     Page width.
  # @!attribute [rw] height
  #   @return [::Float]
  #     Page height.
  # @!attribute [rw] unit
  #   @return [::String]
  #     Dimension unit.
  class Dimension
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Rendered image contents for this page.
  # @!attribute [rw] content
  #   @return [::String]
  #     Raw byte content of the image.
  # @!attribute [rw] mime_type
  #   @return [::String]
  #     Encoding [media type (MIME
  #     type)](https://www.iana.org/assignments/media-types/media-types.xhtml)
  #     for the image.
  # @!attribute [rw] width
  #   @return [::Integer]
  #     Width of the image in pixels.
  # @!attribute [rw] height
  #   @return [::Integer]
  #     Height of the image in pixels.
  class Image
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Representation for transformation matrix, intended to be compatible and
  # used with OpenCV format for image manipulation.
  # @!attribute [rw] rows
  #   @return [::Integer]
  #     Number of rows in the matrix.
  # @!attribute [rw] cols
  #   @return [::Integer]
  #     Number of columns in the matrix.
  # @!attribute [rw] type
  #   @return [::Integer]
  #     This encodes information about what data type the matrix uses.
  #     For example, 0 (CV_8U) is an unsigned 8-bit image. For the full list
  #     of OpenCV primitive data types, please refer to
  #     https://docs.opencv.org/4.3.0/d1/d1b/group__core__hal__interface.html
  # @!attribute [rw] data
  #   @return [::String]
  #     The matrix data.
  class Matrix
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Visual element describing a layout unit on a page.
  # @!attribute [rw] text_anchor
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::TextAnchor]
  #     Text anchor indexing into the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document#text Document.text}.
  # @!attribute [rw] confidence
  #   @return [::Float]
  #     Confidence of the current
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} within
  #     context of the object this layout is for. e.g. confidence can be for a
  #     single token, a table, a visual element, etc. depending on context.
  #     Range `[0, 1]`.
  # @!attribute [rw] bounding_poly
  #   @return [::Google::Cloud::DocumentAI::V1beta3::BoundingPoly]
  #     The bounding polygon for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout}.
  # @!attribute [rw] orientation
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout::Orientation]
  #     Detected orientation for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout}.
  class Layout
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Detected human reading orientation.
    module Orientation
      # Unspecified orientation.
      ORIENTATION_UNSPECIFIED = 0

      # Orientation is aligned with page up.
      PAGE_UP = 1

      # Orientation is aligned with page right.
      # Turn the head 90 degrees clockwise from upright to read.
      PAGE_RIGHT = 2

      # Orientation is aligned with page down.
      # Turn the head 180 degrees from upright to read.
      PAGE_DOWN = 3

      # Orientation is aligned with page left.
      # Turn the head 90 degrees counterclockwise from upright to read.
      PAGE_LEFT = 4
    end
  end

  # A block has a set of lines (collected into paragraphs) that have a
  # common line-spacing and orientation.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Block Block}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  class Block
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A collection of lines that a human would perceive as a paragraph.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Paragraph Paragraph}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The  history of this annotation.
  class Paragraph
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A collection of tokens that a human would perceive as a line.
  # Does not cross column boundaries, can be horizontal, vertical, etc.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Line Line}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The  history of this annotation.
  class Line
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A detected token.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
  # @!attribute [rw] detected_break
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::DetectedBreak]
  #     Detected break at the end of a
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  # @!attribute [rw] style_info
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo]
  #     Text style attributes.
  class Token
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Detected break at the end of a
    # {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
    # @!attribute [rw] type
    #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::DetectedBreak::Type]
    #     Detected break type.
    class DetectedBreak
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Enum to denote the type of break found.
      module Type
        # Unspecified break type.
        TYPE_UNSPECIFIED = 0

        # A single whitespace.
        SPACE = 1

        # A wider whitespace.
        WIDE_SPACE = 2

        # A hyphen that indicates that a token has been split across lines.
        HYPHEN = 3
      end
    end

    # Font and other text style attributes.
    # @!attribute [rw] font_size
    #   @return [::Integer]
    #     Font size in points (`1` point is `¹⁄₇₂` inches).
    # @!attribute [rw] pixel_font_size
    #   @return [::Float]
    #     Font size in pixels, equal to _unrounded
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo#font_size font_size}_
    #     * _resolution_ ÷ `72.0`.
    # @!attribute [rw] letter_spacing
    #   @return [::Float]
    #     Letter spacing in points.
    # @!attribute [rw] font_type
    #   @return [::String]
    #     Name or style of the font.
    # @!attribute [rw] bold
    #   @return [::Boolean]
    #     Whether the text is bold (equivalent to
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo#font_weight font_weight}
    #     is at least `700`).
    # @!attribute [rw] italic
    #   @return [::Boolean]
    #     Whether the text is italic.
    # @!attribute [rw] underlined
    #   @return [::Boolean]
    #     Whether the text is underlined.
    # @!attribute [rw] strikeout
    #   @return [::Boolean]
    #     Whether the text is strikethrough.
    # @!attribute [rw] subscript
    #   @return [::Boolean]
    #     Whether the text is a subscript.
    # @!attribute [rw] superscript
    #   @return [::Boolean]
    #     Whether the text is a superscript.
    # @!attribute [rw] smallcaps
    #   @return [::Boolean]
    #     Whether the text is in small caps.
    # @!attribute [rw] font_weight
    #   @return [::Integer]
    #     TrueType weight on a scale `100` (thin) to `1000` (ultra-heavy).
    #     Normal is `400`, bold is `700`.
    # @!attribute [rw] handwritten
    #   @return [::Boolean]
    #     Whether the text is handwritten.
    # @!attribute [rw] text_color
    #   @return [::Google::Type::Color]
    #     Color of the text.
    # @!attribute [rw] background_color
    #   @return [::Google::Type::Color]
    #     Color of the background.
    class StyleInfo
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A detected symbol.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Symbol Symbol}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  class Symbol
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Detected non-text visual elements e.g. checkbox, signature etc. on the
  # page.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::VisualElement VisualElement}.
  # @!attribute [rw] type
  #   @return [::String]
  #     Type of the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::VisualElement VisualElement}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  class VisualElement
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A table representation similar to HTML table structure.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table Table}.
  # @!attribute [rw] header_rows
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableRow>]
  #     Header rows of the table.
  # @!attribute [rw] body_rows
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableRow>]
  #     Body rows of the table.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this table.
  class Table
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # A row of table cells.
    # @!attribute [rw] cells
    #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableCell>]
    #     Cells that make up this row.
    class TableRow
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end

    # A cell representation inside the table.
    # @!attribute [rw] layout
    #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableCell TableCell}.
    # @!attribute [rw] row_span
    #   @return [::Integer]
    #     How many rows this cell spans.
    # @!attribute [rw] col_span
    #   @return [::Integer]
    #     How many columns this cell spans.
    # @!attribute [rw] detected_languages
    #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
    #     A list of detected languages together with confidence.
    class TableCell
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A form field detected on the page.
  # @!attribute [rw] field_name
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::FormField FormField}
  #     name. e.g. `Address`, `Email`, `Grand total`, `Phone number`, etc.
  # @!attribute [rw] field_value
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::FormField FormField}
  #     value.
  # @!attribute [rw] name_detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages for name together with confidence.
  # @!attribute [rw] value_detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages for value together with confidence.
  # @!attribute [rw] value_type
  #   @return [::String]
  #     If the value is non-textual, this field represents the type. Current
  #     valid values are:
  #
  #     - blank (this indicates the `field_value` is normal text)
  #     - `unfilled_checkbox`
  #     - `filled_checkbox`
  # @!attribute [rw] corrected_key_text
  #   @return [::String]
  #     Created for Labeling UI to export key text.
  #     If corrections were made to the text identified by the
  #     `field_name.text_anchor`, this field will contain the correction.
  # @!attribute [rw] corrected_value_text
  #   @return [::String]
  #     Created for Labeling UI to export value text.
  #     If corrections were made to the text identified by the
  #     `field_value.text_anchor`, this field will contain the correction.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  class FormField
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A detected barcode.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedBarcode DetectedBarcode}.
  # @!attribute [rw] barcode
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Barcode]
  #     Detailed barcode information of the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedBarcode DetectedBarcode}.
  class DetectedBarcode
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Detected language for a structural component.
  # @!attribute [rw] language_code
  #   @return [::String]
  #     The [BCP-47 language
  #     code](https://www.unicode.org/reports/tr35/#Unicode_locale_identifier),
  #     such as `en-US` or `sr-Latn`.
  # @!attribute [rw] confidence
  #   @return [::Float]
  #     Confidence of detected language. Range `[0, 1]`.
  class DetectedLanguage
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Image quality scores for the page image.
  # @!attribute [rw] quality_score
  #   @return [::Float]
  #     The overall quality score. Range `[0, 1]` where `1` is perfect quality.
  # @!attribute [rw] detected_defects
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::ImageQualityScores::DetectedDefect>]
  #     A list of detected defects.
  class ImageQualityScores
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Image Quality Defects
    # @!attribute [rw] type
    #   @return [::String]
    #     Name of the defect type. Supported values are:
    #
    #     - `quality/defect_blurry`
    #     - `quality/defect_noisy`
    #     - `quality/defect_dark`
    #     - `quality/defect_faint`
    #     - `quality/defect_text_too_small`
    #     - `quality/defect_document_cutoff`
    #     - `quality/defect_text_cutoff`
    #     - `quality/defect_glare`
    # @!attribute [rw] confidence
    #   @return [::Float]
    #     Confidence of detected defect. Range `[0, 1]` where `1` indicates
    #     strong confidence that the defect exists.
    class DetectedDefect
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end
end

#page_number ⇒ ::Integer

Returns 1-based index for current Page in a parent Document. Useful when a page is taken out of a Document for individual processing.

Returns:

  • (::Integer) —

    1-based index for current Page in a parent Document. Useful when a page is taken out of a Document for individual processing.



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# File 'proto_docs/google/cloud/documentai/v1beta3/document.rb', line 219

class Page
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Dimension for the page.
  # @!attribute [rw] width
  #   @return [::Float]
  #     Page width.
  # @!attribute [rw] height
  #   @return [::Float]
  #     Page height.
  # @!attribute [rw] unit
  #   @return [::String]
  #     Dimension unit.
  class Dimension
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Rendered image contents for this page.
  # @!attribute [rw] content
  #   @return [::String]
  #     Raw byte content of the image.
  # @!attribute [rw] mime_type
  #   @return [::String]
  #     Encoding [media type (MIME
  #     type)](https://www.iana.org/assignments/media-types/media-types.xhtml)
  #     for the image.
  # @!attribute [rw] width
  #   @return [::Integer]
  #     Width of the image in pixels.
  # @!attribute [rw] height
  #   @return [::Integer]
  #     Height of the image in pixels.
  class Image
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Representation for transformation matrix, intended to be compatible and
  # used with OpenCV format for image manipulation.
  # @!attribute [rw] rows
  #   @return [::Integer]
  #     Number of rows in the matrix.
  # @!attribute [rw] cols
  #   @return [::Integer]
  #     Number of columns in the matrix.
  # @!attribute [rw] type
  #   @return [::Integer]
  #     This encodes information about what data type the matrix uses.
  #     For example, 0 (CV_8U) is an unsigned 8-bit image. For the full list
  #     of OpenCV primitive data types, please refer to
  #     https://docs.opencv.org/4.3.0/d1/d1b/group__core__hal__interface.html
  # @!attribute [rw] data
  #   @return [::String]
  #     The matrix data.
  class Matrix
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Visual element describing a layout unit on a page.
  # @!attribute [rw] text_anchor
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::TextAnchor]
  #     Text anchor indexing into the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document#text Document.text}.
  # @!attribute [rw] confidence
  #   @return [::Float]
  #     Confidence of the current
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} within
  #     context of the object this layout is for. e.g. confidence can be for a
  #     single token, a table, a visual element, etc. depending on context.
  #     Range `[0, 1]`.
  # @!attribute [rw] bounding_poly
  #   @return [::Google::Cloud::DocumentAI::V1beta3::BoundingPoly]
  #     The bounding polygon for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout}.
  # @!attribute [rw] orientation
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout::Orientation]
  #     Detected orientation for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout}.
  class Layout
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Detected human reading orientation.
    module Orientation
      # Unspecified orientation.
      ORIENTATION_UNSPECIFIED = 0

      # Orientation is aligned with page up.
      PAGE_UP = 1

      # Orientation is aligned with page right.
      # Turn the head 90 degrees clockwise from upright to read.
      PAGE_RIGHT = 2

      # Orientation is aligned with page down.
      # Turn the head 180 degrees from upright to read.
      PAGE_DOWN = 3

      # Orientation is aligned with page left.
      # Turn the head 90 degrees counterclockwise from upright to read.
      PAGE_LEFT = 4
    end
  end

  # A block has a set of lines (collected into paragraphs) that have a
  # common line-spacing and orientation.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Block Block}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  class Block
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A collection of lines that a human would perceive as a paragraph.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Paragraph Paragraph}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The  history of this annotation.
  class Paragraph
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A collection of tokens that a human would perceive as a line.
  # Does not cross column boundaries, can be horizontal, vertical, etc.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Line Line}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The  history of this annotation.
  class Line
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A detected token.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
  # @!attribute [rw] detected_break
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::DetectedBreak]
  #     Detected break at the end of a
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  # @!attribute [rw] style_info
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo]
  #     Text style attributes.
  class Token
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Detected break at the end of a
    # {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
    # @!attribute [rw] type
    #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::DetectedBreak::Type]
    #     Detected break type.
    class DetectedBreak
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Enum to denote the type of break found.
      module Type
        # Unspecified break type.
        TYPE_UNSPECIFIED = 0

        # A single whitespace.
        SPACE = 1

        # A wider whitespace.
        WIDE_SPACE = 2

        # A hyphen that indicates that a token has been split across lines.
        HYPHEN = 3
      end
    end

    # Font and other text style attributes.
    # @!attribute [rw] font_size
    #   @return [::Integer]
    #     Font size in points (`1` point is `¹⁄₇₂` inches).
    # @!attribute [rw] pixel_font_size
    #   @return [::Float]
    #     Font size in pixels, equal to _unrounded
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo#font_size font_size}_
    #     * _resolution_ ÷ `72.0`.
    # @!attribute [rw] letter_spacing
    #   @return [::Float]
    #     Letter spacing in points.
    # @!attribute [rw] font_type
    #   @return [::String]
    #     Name or style of the font.
    # @!attribute [rw] bold
    #   @return [::Boolean]
    #     Whether the text is bold (equivalent to
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo#font_weight font_weight}
    #     is at least `700`).
    # @!attribute [rw] italic
    #   @return [::Boolean]
    #     Whether the text is italic.
    # @!attribute [rw] underlined
    #   @return [::Boolean]
    #     Whether the text is underlined.
    # @!attribute [rw] strikeout
    #   @return [::Boolean]
    #     Whether the text is strikethrough.
    # @!attribute [rw] subscript
    #   @return [::Boolean]
    #     Whether the text is a subscript.
    # @!attribute [rw] superscript
    #   @return [::Boolean]
    #     Whether the text is a superscript.
    # @!attribute [rw] smallcaps
    #   @return [::Boolean]
    #     Whether the text is in small caps.
    # @!attribute [rw] font_weight
    #   @return [::Integer]
    #     TrueType weight on a scale `100` (thin) to `1000` (ultra-heavy).
    #     Normal is `400`, bold is `700`.
    # @!attribute [rw] handwritten
    #   @return [::Boolean]
    #     Whether the text is handwritten.
    # @!attribute [rw] text_color
    #   @return [::Google::Type::Color]
    #     Color of the text.
    # @!attribute [rw] background_color
    #   @return [::Google::Type::Color]
    #     Color of the background.
    class StyleInfo
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A detected symbol.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Symbol Symbol}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  class Symbol
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Detected non-text visual elements e.g. checkbox, signature etc. on the
  # page.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::VisualElement VisualElement}.
  # @!attribute [rw] type
  #   @return [::String]
  #     Type of the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::VisualElement VisualElement}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  class VisualElement
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A table representation similar to HTML table structure.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table Table}.
  # @!attribute [rw] header_rows
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableRow>]
  #     Header rows of the table.
  # @!attribute [rw] body_rows
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableRow>]
  #     Body rows of the table.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this table.
  class Table
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # A row of table cells.
    # @!attribute [rw] cells
    #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableCell>]
    #     Cells that make up this row.
    class TableRow
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end

    # A cell representation inside the table.
    # @!attribute [rw] layout
    #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableCell TableCell}.
    # @!attribute [rw] row_span
    #   @return [::Integer]
    #     How many rows this cell spans.
    # @!attribute [rw] col_span
    #   @return [::Integer]
    #     How many columns this cell spans.
    # @!attribute [rw] detected_languages
    #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
    #     A list of detected languages together with confidence.
    class TableCell
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A form field detected on the page.
  # @!attribute [rw] field_name
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::FormField FormField}
  #     name. e.g. `Address`, `Email`, `Grand total`, `Phone number`, etc.
  # @!attribute [rw] field_value
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::FormField FormField}
  #     value.
  # @!attribute [rw] name_detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages for name together with confidence.
  # @!attribute [rw] value_detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages for value together with confidence.
  # @!attribute [rw] value_type
  #   @return [::String]
  #     If the value is non-textual, this field represents the type. Current
  #     valid values are:
  #
  #     - blank (this indicates the `field_value` is normal text)
  #     - `unfilled_checkbox`
  #     - `filled_checkbox`
  # @!attribute [rw] corrected_key_text
  #   @return [::String]
  #     Created for Labeling UI to export key text.
  #     If corrections were made to the text identified by the
  #     `field_name.text_anchor`, this field will contain the correction.
  # @!attribute [rw] corrected_value_text
  #   @return [::String]
  #     Created for Labeling UI to export value text.
  #     If corrections were made to the text identified by the
  #     `field_value.text_anchor`, this field will contain the correction.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  class FormField
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A detected barcode.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedBarcode DetectedBarcode}.
  # @!attribute [rw] barcode
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Barcode]
  #     Detailed barcode information of the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedBarcode DetectedBarcode}.
  class DetectedBarcode
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Detected language for a structural component.
  # @!attribute [rw] language_code
  #   @return [::String]
  #     The [BCP-47 language
  #     code](https://www.unicode.org/reports/tr35/#Unicode_locale_identifier),
  #     such as `en-US` or `sr-Latn`.
  # @!attribute [rw] confidence
  #   @return [::Float]
  #     Confidence of detected language. Range `[0, 1]`.
  class DetectedLanguage
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Image quality scores for the page image.
  # @!attribute [rw] quality_score
  #   @return [::Float]
  #     The overall quality score. Range `[0, 1]` where `1` is perfect quality.
  # @!attribute [rw] detected_defects
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::ImageQualityScores::DetectedDefect>]
  #     A list of detected defects.
  class ImageQualityScores
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Image Quality Defects
    # @!attribute [rw] type
    #   @return [::String]
    #     Name of the defect type. Supported values are:
    #
    #     - `quality/defect_blurry`
    #     - `quality/defect_noisy`
    #     - `quality/defect_dark`
    #     - `quality/defect_faint`
    #     - `quality/defect_text_too_small`
    #     - `quality/defect_document_cutoff`
    #     - `quality/defect_text_cutoff`
    #     - `quality/defect_glare`
    # @!attribute [rw] confidence
    #   @return [::Float]
    #     Confidence of detected defect. Range `[0, 1]` where `1` indicates
    #     strong confidence that the defect exists.
    class DetectedDefect
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end
end

#paragraphs ⇒ ::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Paragraph>

Returns A list of visually detected text paragraphs on the page. A collection of lines that a human would perceive as a paragraph.

Returns:



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# File 'proto_docs/google/cloud/documentai/v1beta3/document.rb', line 219

class Page
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Dimension for the page.
  # @!attribute [rw] width
  #   @return [::Float]
  #     Page width.
  # @!attribute [rw] height
  #   @return [::Float]
  #     Page height.
  # @!attribute [rw] unit
  #   @return [::String]
  #     Dimension unit.
  class Dimension
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Rendered image contents for this page.
  # @!attribute [rw] content
  #   @return [::String]
  #     Raw byte content of the image.
  # @!attribute [rw] mime_type
  #   @return [::String]
  #     Encoding [media type (MIME
  #     type)](https://www.iana.org/assignments/media-types/media-types.xhtml)
  #     for the image.
  # @!attribute [rw] width
  #   @return [::Integer]
  #     Width of the image in pixels.
  # @!attribute [rw] height
  #   @return [::Integer]
  #     Height of the image in pixels.
  class Image
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Representation for transformation matrix, intended to be compatible and
  # used with OpenCV format for image manipulation.
  # @!attribute [rw] rows
  #   @return [::Integer]
  #     Number of rows in the matrix.
  # @!attribute [rw] cols
  #   @return [::Integer]
  #     Number of columns in the matrix.
  # @!attribute [rw] type
  #   @return [::Integer]
  #     This encodes information about what data type the matrix uses.
  #     For example, 0 (CV_8U) is an unsigned 8-bit image. For the full list
  #     of OpenCV primitive data types, please refer to
  #     https://docs.opencv.org/4.3.0/d1/d1b/group__core__hal__interface.html
  # @!attribute [rw] data
  #   @return [::String]
  #     The matrix data.
  class Matrix
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Visual element describing a layout unit on a page.
  # @!attribute [rw] text_anchor
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::TextAnchor]
  #     Text anchor indexing into the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document#text Document.text}.
  # @!attribute [rw] confidence
  #   @return [::Float]
  #     Confidence of the current
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} within
  #     context of the object this layout is for. e.g. confidence can be for a
  #     single token, a table, a visual element, etc. depending on context.
  #     Range `[0, 1]`.
  # @!attribute [rw] bounding_poly
  #   @return [::Google::Cloud::DocumentAI::V1beta3::BoundingPoly]
  #     The bounding polygon for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout}.
  # @!attribute [rw] orientation
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout::Orientation]
  #     Detected orientation for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout}.
  class Layout
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Detected human reading orientation.
    module Orientation
      # Unspecified orientation.
      ORIENTATION_UNSPECIFIED = 0

      # Orientation is aligned with page up.
      PAGE_UP = 1

      # Orientation is aligned with page right.
      # Turn the head 90 degrees clockwise from upright to read.
      PAGE_RIGHT = 2

      # Orientation is aligned with page down.
      # Turn the head 180 degrees from upright to read.
      PAGE_DOWN = 3

      # Orientation is aligned with page left.
      # Turn the head 90 degrees counterclockwise from upright to read.
      PAGE_LEFT = 4
    end
  end

  # A block has a set of lines (collected into paragraphs) that have a
  # common line-spacing and orientation.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Block Block}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  class Block
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A collection of lines that a human would perceive as a paragraph.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Paragraph Paragraph}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The  history of this annotation.
  class Paragraph
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A collection of tokens that a human would perceive as a line.
  # Does not cross column boundaries, can be horizontal, vertical, etc.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Line Line}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The  history of this annotation.
  class Line
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A detected token.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
  # @!attribute [rw] detected_break
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::DetectedBreak]
  #     Detected break at the end of a
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  # @!attribute [rw] style_info
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo]
  #     Text style attributes.
  class Token
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Detected break at the end of a
    # {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
    # @!attribute [rw] type
    #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::DetectedBreak::Type]
    #     Detected break type.
    class DetectedBreak
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Enum to denote the type of break found.
      module Type
        # Unspecified break type.
        TYPE_UNSPECIFIED = 0

        # A single whitespace.
        SPACE = 1

        # A wider whitespace.
        WIDE_SPACE = 2

        # A hyphen that indicates that a token has been split across lines.
        HYPHEN = 3
      end
    end

    # Font and other text style attributes.
    # @!attribute [rw] font_size
    #   @return [::Integer]
    #     Font size in points (`1` point is `¹⁄₇₂` inches).
    # @!attribute [rw] pixel_font_size
    #   @return [::Float]
    #     Font size in pixels, equal to _unrounded
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo#font_size font_size}_
    #     * _resolution_ ÷ `72.0`.
    # @!attribute [rw] letter_spacing
    #   @return [::Float]
    #     Letter spacing in points.
    # @!attribute [rw] font_type
    #   @return [::String]
    #     Name or style of the font.
    # @!attribute [rw] bold
    #   @return [::Boolean]
    #     Whether the text is bold (equivalent to
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo#font_weight font_weight}
    #     is at least `700`).
    # @!attribute [rw] italic
    #   @return [::Boolean]
    #     Whether the text is italic.
    # @!attribute [rw] underlined
    #   @return [::Boolean]
    #     Whether the text is underlined.
    # @!attribute [rw] strikeout
    #   @return [::Boolean]
    #     Whether the text is strikethrough.
    # @!attribute [rw] subscript
    #   @return [::Boolean]
    #     Whether the text is a subscript.
    # @!attribute [rw] superscript
    #   @return [::Boolean]
    #     Whether the text is a superscript.
    # @!attribute [rw] smallcaps
    #   @return [::Boolean]
    #     Whether the text is in small caps.
    # @!attribute [rw] font_weight
    #   @return [::Integer]
    #     TrueType weight on a scale `100` (thin) to `1000` (ultra-heavy).
    #     Normal is `400`, bold is `700`.
    # @!attribute [rw] handwritten
    #   @return [::Boolean]
    #     Whether the text is handwritten.
    # @!attribute [rw] text_color
    #   @return [::Google::Type::Color]
    #     Color of the text.
    # @!attribute [rw] background_color
    #   @return [::Google::Type::Color]
    #     Color of the background.
    class StyleInfo
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A detected symbol.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Symbol Symbol}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  class Symbol
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Detected non-text visual elements e.g. checkbox, signature etc. on the
  # page.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::VisualElement VisualElement}.
  # @!attribute [rw] type
  #   @return [::String]
  #     Type of the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::VisualElement VisualElement}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  class VisualElement
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A table representation similar to HTML table structure.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table Table}.
  # @!attribute [rw] header_rows
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableRow>]
  #     Header rows of the table.
  # @!attribute [rw] body_rows
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableRow>]
  #     Body rows of the table.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this table.
  class Table
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # A row of table cells.
    # @!attribute [rw] cells
    #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableCell>]
    #     Cells that make up this row.
    class TableRow
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end

    # A cell representation inside the table.
    # @!attribute [rw] layout
    #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableCell TableCell}.
    # @!attribute [rw] row_span
    #   @return [::Integer]
    #     How many rows this cell spans.
    # @!attribute [rw] col_span
    #   @return [::Integer]
    #     How many columns this cell spans.
    # @!attribute [rw] detected_languages
    #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
    #     A list of detected languages together with confidence.
    class TableCell
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A form field detected on the page.
  # @!attribute [rw] field_name
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::FormField FormField}
  #     name. e.g. `Address`, `Email`, `Grand total`, `Phone number`, etc.
  # @!attribute [rw] field_value
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::FormField FormField}
  #     value.
  # @!attribute [rw] name_detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages for name together with confidence.
  # @!attribute [rw] value_detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages for value together with confidence.
  # @!attribute [rw] value_type
  #   @return [::String]
  #     If the value is non-textual, this field represents the type. Current
  #     valid values are:
  #
  #     - blank (this indicates the `field_value` is normal text)
  #     - `unfilled_checkbox`
  #     - `filled_checkbox`
  # @!attribute [rw] corrected_key_text
  #   @return [::String]
  #     Created for Labeling UI to export key text.
  #     If corrections were made to the text identified by the
  #     `field_name.text_anchor`, this field will contain the correction.
  # @!attribute [rw] corrected_value_text
  #   @return [::String]
  #     Created for Labeling UI to export value text.
  #     If corrections were made to the text identified by the
  #     `field_value.text_anchor`, this field will contain the correction.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  class FormField
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A detected barcode.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedBarcode DetectedBarcode}.
  # @!attribute [rw] barcode
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Barcode]
  #     Detailed barcode information of the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedBarcode DetectedBarcode}.
  class DetectedBarcode
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Detected language for a structural component.
  # @!attribute [rw] language_code
  #   @return [::String]
  #     The [BCP-47 language
  #     code](https://www.unicode.org/reports/tr35/#Unicode_locale_identifier),
  #     such as `en-US` or `sr-Latn`.
  # @!attribute [rw] confidence
  #   @return [::Float]
  #     Confidence of detected language. Range `[0, 1]`.
  class DetectedLanguage
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Image quality scores for the page image.
  # @!attribute [rw] quality_score
  #   @return [::Float]
  #     The overall quality score. Range `[0, 1]` where `1` is perfect quality.
  # @!attribute [rw] detected_defects
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::ImageQualityScores::DetectedDefect>]
  #     A list of detected defects.
  class ImageQualityScores
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Image Quality Defects
    # @!attribute [rw] type
    #   @return [::String]
    #     Name of the defect type. Supported values are:
    #
    #     - `quality/defect_blurry`
    #     - `quality/defect_noisy`
    #     - `quality/defect_dark`
    #     - `quality/defect_faint`
    #     - `quality/defect_text_too_small`
    #     - `quality/defect_document_cutoff`
    #     - `quality/defect_text_cutoff`
    #     - `quality/defect_glare`
    # @!attribute [rw] confidence
    #   @return [::Float]
    #     Confidence of detected defect. Range `[0, 1]` where `1` indicates
    #     strong confidence that the defect exists.
    class DetectedDefect
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end
end

#provenance ⇒ ::Google::Cloud::DocumentAI::V1beta3::Document::Provenance

Returns The history of this page.

Returns:



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# File 'proto_docs/google/cloud/documentai/v1beta3/document.rb', line 219

class Page
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Dimension for the page.
  # @!attribute [rw] width
  #   @return [::Float]
  #     Page width.
  # @!attribute [rw] height
  #   @return [::Float]
  #     Page height.
  # @!attribute [rw] unit
  #   @return [::String]
  #     Dimension unit.
  class Dimension
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Rendered image contents for this page.
  # @!attribute [rw] content
  #   @return [::String]
  #     Raw byte content of the image.
  # @!attribute [rw] mime_type
  #   @return [::String]
  #     Encoding [media type (MIME
  #     type)](https://www.iana.org/assignments/media-types/media-types.xhtml)
  #     for the image.
  # @!attribute [rw] width
  #   @return [::Integer]
  #     Width of the image in pixels.
  # @!attribute [rw] height
  #   @return [::Integer]
  #     Height of the image in pixels.
  class Image
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Representation for transformation matrix, intended to be compatible and
  # used with OpenCV format for image manipulation.
  # @!attribute [rw] rows
  #   @return [::Integer]
  #     Number of rows in the matrix.
  # @!attribute [rw] cols
  #   @return [::Integer]
  #     Number of columns in the matrix.
  # @!attribute [rw] type
  #   @return [::Integer]
  #     This encodes information about what data type the matrix uses.
  #     For example, 0 (CV_8U) is an unsigned 8-bit image. For the full list
  #     of OpenCV primitive data types, please refer to
  #     https://docs.opencv.org/4.3.0/d1/d1b/group__core__hal__interface.html
  # @!attribute [rw] data
  #   @return [::String]
  #     The matrix data.
  class Matrix
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Visual element describing a layout unit on a page.
  # @!attribute [rw] text_anchor
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::TextAnchor]
  #     Text anchor indexing into the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document#text Document.text}.
  # @!attribute [rw] confidence
  #   @return [::Float]
  #     Confidence of the current
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} within
  #     context of the object this layout is for. e.g. confidence can be for a
  #     single token, a table, a visual element, etc. depending on context.
  #     Range `[0, 1]`.
  # @!attribute [rw] bounding_poly
  #   @return [::Google::Cloud::DocumentAI::V1beta3::BoundingPoly]
  #     The bounding polygon for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout}.
  # @!attribute [rw] orientation
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout::Orientation]
  #     Detected orientation for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout}.
  class Layout
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Detected human reading orientation.
    module Orientation
      # Unspecified orientation.
      ORIENTATION_UNSPECIFIED = 0

      # Orientation is aligned with page up.
      PAGE_UP = 1

      # Orientation is aligned with page right.
      # Turn the head 90 degrees clockwise from upright to read.
      PAGE_RIGHT = 2

      # Orientation is aligned with page down.
      # Turn the head 180 degrees from upright to read.
      PAGE_DOWN = 3

      # Orientation is aligned with page left.
      # Turn the head 90 degrees counterclockwise from upright to read.
      PAGE_LEFT = 4
    end
  end

  # A block has a set of lines (collected into paragraphs) that have a
  # common line-spacing and orientation.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Block Block}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  class Block
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A collection of lines that a human would perceive as a paragraph.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Paragraph Paragraph}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The  history of this annotation.
  class Paragraph
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A collection of tokens that a human would perceive as a line.
  # Does not cross column boundaries, can be horizontal, vertical, etc.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Line Line}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The  history of this annotation.
  class Line
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A detected token.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
  # @!attribute [rw] detected_break
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::DetectedBreak]
  #     Detected break at the end of a
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  # @!attribute [rw] style_info
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo]
  #     Text style attributes.
  class Token
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Detected break at the end of a
    # {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
    # @!attribute [rw] type
    #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::DetectedBreak::Type]
    #     Detected break type.
    class DetectedBreak
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Enum to denote the type of break found.
      module Type
        # Unspecified break type.
        TYPE_UNSPECIFIED = 0

        # A single whitespace.
        SPACE = 1

        # A wider whitespace.
        WIDE_SPACE = 2

        # A hyphen that indicates that a token has been split across lines.
        HYPHEN = 3
      end
    end

    # Font and other text style attributes.
    # @!attribute [rw] font_size
    #   @return [::Integer]
    #     Font size in points (`1` point is `¹⁄₇₂` inches).
    # @!attribute [rw] pixel_font_size
    #   @return [::Float]
    #     Font size in pixels, equal to _unrounded
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo#font_size font_size}_
    #     * _resolution_ ÷ `72.0`.
    # @!attribute [rw] letter_spacing
    #   @return [::Float]
    #     Letter spacing in points.
    # @!attribute [rw] font_type
    #   @return [::String]
    #     Name or style of the font.
    # @!attribute [rw] bold
    #   @return [::Boolean]
    #     Whether the text is bold (equivalent to
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo#font_weight font_weight}
    #     is at least `700`).
    # @!attribute [rw] italic
    #   @return [::Boolean]
    #     Whether the text is italic.
    # @!attribute [rw] underlined
    #   @return [::Boolean]
    #     Whether the text is underlined.
    # @!attribute [rw] strikeout
    #   @return [::Boolean]
    #     Whether the text is strikethrough.
    # @!attribute [rw] subscript
    #   @return [::Boolean]
    #     Whether the text is a subscript.
    # @!attribute [rw] superscript
    #   @return [::Boolean]
    #     Whether the text is a superscript.
    # @!attribute [rw] smallcaps
    #   @return [::Boolean]
    #     Whether the text is in small caps.
    # @!attribute [rw] font_weight
    #   @return [::Integer]
    #     TrueType weight on a scale `100` (thin) to `1000` (ultra-heavy).
    #     Normal is `400`, bold is `700`.
    # @!attribute [rw] handwritten
    #   @return [::Boolean]
    #     Whether the text is handwritten.
    # @!attribute [rw] text_color
    #   @return [::Google::Type::Color]
    #     Color of the text.
    # @!attribute [rw] background_color
    #   @return [::Google::Type::Color]
    #     Color of the background.
    class StyleInfo
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A detected symbol.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Symbol Symbol}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  class Symbol
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Detected non-text visual elements e.g. checkbox, signature etc. on the
  # page.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::VisualElement VisualElement}.
  # @!attribute [rw] type
  #   @return [::String]
  #     Type of the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::VisualElement VisualElement}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  class VisualElement
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A table representation similar to HTML table structure.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table Table}.
  # @!attribute [rw] header_rows
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableRow>]
  #     Header rows of the table.
  # @!attribute [rw] body_rows
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableRow>]
  #     Body rows of the table.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this table.
  class Table
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # A row of table cells.
    # @!attribute [rw] cells
    #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableCell>]
    #     Cells that make up this row.
    class TableRow
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end

    # A cell representation inside the table.
    # @!attribute [rw] layout
    #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableCell TableCell}.
    # @!attribute [rw] row_span
    #   @return [::Integer]
    #     How many rows this cell spans.
    # @!attribute [rw] col_span
    #   @return [::Integer]
    #     How many columns this cell spans.
    # @!attribute [rw] detected_languages
    #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
    #     A list of detected languages together with confidence.
    class TableCell
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A form field detected on the page.
  # @!attribute [rw] field_name
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::FormField FormField}
  #     name. e.g. `Address`, `Email`, `Grand total`, `Phone number`, etc.
  # @!attribute [rw] field_value
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::FormField FormField}
  #     value.
  # @!attribute [rw] name_detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages for name together with confidence.
  # @!attribute [rw] value_detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages for value together with confidence.
  # @!attribute [rw] value_type
  #   @return [::String]
  #     If the value is non-textual, this field represents the type. Current
  #     valid values are:
  #
  #     - blank (this indicates the `field_value` is normal text)
  #     - `unfilled_checkbox`
  #     - `filled_checkbox`
  # @!attribute [rw] corrected_key_text
  #   @return [::String]
  #     Created for Labeling UI to export key text.
  #     If corrections were made to the text identified by the
  #     `field_name.text_anchor`, this field will contain the correction.
  # @!attribute [rw] corrected_value_text
  #   @return [::String]
  #     Created for Labeling UI to export value text.
  #     If corrections were made to the text identified by the
  #     `field_value.text_anchor`, this field will contain the correction.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  class FormField
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A detected barcode.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedBarcode DetectedBarcode}.
  # @!attribute [rw] barcode
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Barcode]
  #     Detailed barcode information of the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedBarcode DetectedBarcode}.
  class DetectedBarcode
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Detected language for a structural component.
  # @!attribute [rw] language_code
  #   @return [::String]
  #     The [BCP-47 language
  #     code](https://www.unicode.org/reports/tr35/#Unicode_locale_identifier),
  #     such as `en-US` or `sr-Latn`.
  # @!attribute [rw] confidence
  #   @return [::Float]
  #     Confidence of detected language. Range `[0, 1]`.
  class DetectedLanguage
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Image quality scores for the page image.
  # @!attribute [rw] quality_score
  #   @return [::Float]
  #     The overall quality score. Range `[0, 1]` where `1` is perfect quality.
  # @!attribute [rw] detected_defects
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::ImageQualityScores::DetectedDefect>]
  #     A list of detected defects.
  class ImageQualityScores
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Image Quality Defects
    # @!attribute [rw] type
    #   @return [::String]
    #     Name of the defect type. Supported values are:
    #
    #     - `quality/defect_blurry`
    #     - `quality/defect_noisy`
    #     - `quality/defect_dark`
    #     - `quality/defect_faint`
    #     - `quality/defect_text_too_small`
    #     - `quality/defect_document_cutoff`
    #     - `quality/defect_text_cutoff`
    #     - `quality/defect_glare`
    # @!attribute [rw] confidence
    #   @return [::Float]
    #     Confidence of detected defect. Range `[0, 1]` where `1` indicates
    #     strong confidence that the defect exists.
    class DetectedDefect
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end
end

#symbols ⇒ ::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Symbol>

Returns A list of visually detected symbols on the page.

Returns:



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# File 'proto_docs/google/cloud/documentai/v1beta3/document.rb', line 219

class Page
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Dimension for the page.
  # @!attribute [rw] width
  #   @return [::Float]
  #     Page width.
  # @!attribute [rw] height
  #   @return [::Float]
  #     Page height.
  # @!attribute [rw] unit
  #   @return [::String]
  #     Dimension unit.
  class Dimension
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Rendered image contents for this page.
  # @!attribute [rw] content
  #   @return [::String]
  #     Raw byte content of the image.
  # @!attribute [rw] mime_type
  #   @return [::String]
  #     Encoding [media type (MIME
  #     type)](https://www.iana.org/assignments/media-types/media-types.xhtml)
  #     for the image.
  # @!attribute [rw] width
  #   @return [::Integer]
  #     Width of the image in pixels.
  # @!attribute [rw] height
  #   @return [::Integer]
  #     Height of the image in pixels.
  class Image
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Representation for transformation matrix, intended to be compatible and
  # used with OpenCV format for image manipulation.
  # @!attribute [rw] rows
  #   @return [::Integer]
  #     Number of rows in the matrix.
  # @!attribute [rw] cols
  #   @return [::Integer]
  #     Number of columns in the matrix.
  # @!attribute [rw] type
  #   @return [::Integer]
  #     This encodes information about what data type the matrix uses.
  #     For example, 0 (CV_8U) is an unsigned 8-bit image. For the full list
  #     of OpenCV primitive data types, please refer to
  #     https://docs.opencv.org/4.3.0/d1/d1b/group__core__hal__interface.html
  # @!attribute [rw] data
  #   @return [::String]
  #     The matrix data.
  class Matrix
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Visual element describing a layout unit on a page.
  # @!attribute [rw] text_anchor
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::TextAnchor]
  #     Text anchor indexing into the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document#text Document.text}.
  # @!attribute [rw] confidence
  #   @return [::Float]
  #     Confidence of the current
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} within
  #     context of the object this layout is for. e.g. confidence can be for a
  #     single token, a table, a visual element, etc. depending on context.
  #     Range `[0, 1]`.
  # @!attribute [rw] bounding_poly
  #   @return [::Google::Cloud::DocumentAI::V1beta3::BoundingPoly]
  #     The bounding polygon for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout}.
  # @!attribute [rw] orientation
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout::Orientation]
  #     Detected orientation for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout}.
  class Layout
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Detected human reading orientation.
    module Orientation
      # Unspecified orientation.
      ORIENTATION_UNSPECIFIED = 0

      # Orientation is aligned with page up.
      PAGE_UP = 1

      # Orientation is aligned with page right.
      # Turn the head 90 degrees clockwise from upright to read.
      PAGE_RIGHT = 2

      # Orientation is aligned with page down.
      # Turn the head 180 degrees from upright to read.
      PAGE_DOWN = 3

      # Orientation is aligned with page left.
      # Turn the head 90 degrees counterclockwise from upright to read.
      PAGE_LEFT = 4
    end
  end

  # A block has a set of lines (collected into paragraphs) that have a
  # common line-spacing and orientation.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Block Block}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  class Block
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A collection of lines that a human would perceive as a paragraph.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Paragraph Paragraph}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The  history of this annotation.
  class Paragraph
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A collection of tokens that a human would perceive as a line.
  # Does not cross column boundaries, can be horizontal, vertical, etc.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Line Line}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The  history of this annotation.
  class Line
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A detected token.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
  # @!attribute [rw] detected_break
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::DetectedBreak]
  #     Detected break at the end of a
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  # @!attribute [rw] style_info
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo]
  #     Text style attributes.
  class Token
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Detected break at the end of a
    # {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
    # @!attribute [rw] type
    #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::DetectedBreak::Type]
    #     Detected break type.
    class DetectedBreak
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Enum to denote the type of break found.
      module Type
        # Unspecified break type.
        TYPE_UNSPECIFIED = 0

        # A single whitespace.
        SPACE = 1

        # A wider whitespace.
        WIDE_SPACE = 2

        # A hyphen that indicates that a token has been split across lines.
        HYPHEN = 3
      end
    end

    # Font and other text style attributes.
    # @!attribute [rw] font_size
    #   @return [::Integer]
    #     Font size in points (`1` point is `¹⁄₇₂` inches).
    # @!attribute [rw] pixel_font_size
    #   @return [::Float]
    #     Font size in pixels, equal to _unrounded
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo#font_size font_size}_
    #     * _resolution_ ÷ `72.0`.
    # @!attribute [rw] letter_spacing
    #   @return [::Float]
    #     Letter spacing in points.
    # @!attribute [rw] font_type
    #   @return [::String]
    #     Name or style of the font.
    # @!attribute [rw] bold
    #   @return [::Boolean]
    #     Whether the text is bold (equivalent to
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo#font_weight font_weight}
    #     is at least `700`).
    # @!attribute [rw] italic
    #   @return [::Boolean]
    #     Whether the text is italic.
    # @!attribute [rw] underlined
    #   @return [::Boolean]
    #     Whether the text is underlined.
    # @!attribute [rw] strikeout
    #   @return [::Boolean]
    #     Whether the text is strikethrough.
    # @!attribute [rw] subscript
    #   @return [::Boolean]
    #     Whether the text is a subscript.
    # @!attribute [rw] superscript
    #   @return [::Boolean]
    #     Whether the text is a superscript.
    # @!attribute [rw] smallcaps
    #   @return [::Boolean]
    #     Whether the text is in small caps.
    # @!attribute [rw] font_weight
    #   @return [::Integer]
    #     TrueType weight on a scale `100` (thin) to `1000` (ultra-heavy).
    #     Normal is `400`, bold is `700`.
    # @!attribute [rw] handwritten
    #   @return [::Boolean]
    #     Whether the text is handwritten.
    # @!attribute [rw] text_color
    #   @return [::Google::Type::Color]
    #     Color of the text.
    # @!attribute [rw] background_color
    #   @return [::Google::Type::Color]
    #     Color of the background.
    class StyleInfo
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A detected symbol.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Symbol Symbol}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  class Symbol
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Detected non-text visual elements e.g. checkbox, signature etc. on the
  # page.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::VisualElement VisualElement}.
  # @!attribute [rw] type
  #   @return [::String]
  #     Type of the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::VisualElement VisualElement}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  class VisualElement
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A table representation similar to HTML table structure.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table Table}.
  # @!attribute [rw] header_rows
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableRow>]
  #     Header rows of the table.
  # @!attribute [rw] body_rows
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableRow>]
  #     Body rows of the table.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this table.
  class Table
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # A row of table cells.
    # @!attribute [rw] cells
    #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableCell>]
    #     Cells that make up this row.
    class TableRow
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end

    # A cell representation inside the table.
    # @!attribute [rw] layout
    #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableCell TableCell}.
    # @!attribute [rw] row_span
    #   @return [::Integer]
    #     How many rows this cell spans.
    # @!attribute [rw] col_span
    #   @return [::Integer]
    #     How many columns this cell spans.
    # @!attribute [rw] detected_languages
    #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
    #     A list of detected languages together with confidence.
    class TableCell
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A form field detected on the page.
  # @!attribute [rw] field_name
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::FormField FormField}
  #     name. e.g. `Address`, `Email`, `Grand total`, `Phone number`, etc.
  # @!attribute [rw] field_value
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::FormField FormField}
  #     value.
  # @!attribute [rw] name_detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages for name together with confidence.
  # @!attribute [rw] value_detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages for value together with confidence.
  # @!attribute [rw] value_type
  #   @return [::String]
  #     If the value is non-textual, this field represents the type. Current
  #     valid values are:
  #
  #     - blank (this indicates the `field_value` is normal text)
  #     - `unfilled_checkbox`
  #     - `filled_checkbox`
  # @!attribute [rw] corrected_key_text
  #   @return [::String]
  #     Created for Labeling UI to export key text.
  #     If corrections were made to the text identified by the
  #     `field_name.text_anchor`, this field will contain the correction.
  # @!attribute [rw] corrected_value_text
  #   @return [::String]
  #     Created for Labeling UI to export value text.
  #     If corrections were made to the text identified by the
  #     `field_value.text_anchor`, this field will contain the correction.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  class FormField
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A detected barcode.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedBarcode DetectedBarcode}.
  # @!attribute [rw] barcode
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Barcode]
  #     Detailed barcode information of the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedBarcode DetectedBarcode}.
  class DetectedBarcode
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Detected language for a structural component.
  # @!attribute [rw] language_code
  #   @return [::String]
  #     The [BCP-47 language
  #     code](https://www.unicode.org/reports/tr35/#Unicode_locale_identifier),
  #     such as `en-US` or `sr-Latn`.
  # @!attribute [rw] confidence
  #   @return [::Float]
  #     Confidence of detected language. Range `[0, 1]`.
  class DetectedLanguage
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Image quality scores for the page image.
  # @!attribute [rw] quality_score
  #   @return [::Float]
  #     The overall quality score. Range `[0, 1]` where `1` is perfect quality.
  # @!attribute [rw] detected_defects
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::ImageQualityScores::DetectedDefect>]
  #     A list of detected defects.
  class ImageQualityScores
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Image Quality Defects
    # @!attribute [rw] type
    #   @return [::String]
    #     Name of the defect type. Supported values are:
    #
    #     - `quality/defect_blurry`
    #     - `quality/defect_noisy`
    #     - `quality/defect_dark`
    #     - `quality/defect_faint`
    #     - `quality/defect_text_too_small`
    #     - `quality/defect_document_cutoff`
    #     - `quality/defect_text_cutoff`
    #     - `quality/defect_glare`
    # @!attribute [rw] confidence
    #   @return [::Float]
    #     Confidence of detected defect. Range `[0, 1]` where `1` indicates
    #     strong confidence that the defect exists.
    class DetectedDefect
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end
end

#tables ⇒ ::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table>

Returns A list of visually detected tables on the page.

Returns:



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# File 'proto_docs/google/cloud/documentai/v1beta3/document.rb', line 219

class Page
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Dimension for the page.
  # @!attribute [rw] width
  #   @return [::Float]
  #     Page width.
  # @!attribute [rw] height
  #   @return [::Float]
  #     Page height.
  # @!attribute [rw] unit
  #   @return [::String]
  #     Dimension unit.
  class Dimension
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Rendered image contents for this page.
  # @!attribute [rw] content
  #   @return [::String]
  #     Raw byte content of the image.
  # @!attribute [rw] mime_type
  #   @return [::String]
  #     Encoding [media type (MIME
  #     type)](https://www.iana.org/assignments/media-types/media-types.xhtml)
  #     for the image.
  # @!attribute [rw] width
  #   @return [::Integer]
  #     Width of the image in pixels.
  # @!attribute [rw] height
  #   @return [::Integer]
  #     Height of the image in pixels.
  class Image
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Representation for transformation matrix, intended to be compatible and
  # used with OpenCV format for image manipulation.
  # @!attribute [rw] rows
  #   @return [::Integer]
  #     Number of rows in the matrix.
  # @!attribute [rw] cols
  #   @return [::Integer]
  #     Number of columns in the matrix.
  # @!attribute [rw] type
  #   @return [::Integer]
  #     This encodes information about what data type the matrix uses.
  #     For example, 0 (CV_8U) is an unsigned 8-bit image. For the full list
  #     of OpenCV primitive data types, please refer to
  #     https://docs.opencv.org/4.3.0/d1/d1b/group__core__hal__interface.html
  # @!attribute [rw] data
  #   @return [::String]
  #     The matrix data.
  class Matrix
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Visual element describing a layout unit on a page.
  # @!attribute [rw] text_anchor
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::TextAnchor]
  #     Text anchor indexing into the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document#text Document.text}.
  # @!attribute [rw] confidence
  #   @return [::Float]
  #     Confidence of the current
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} within
  #     context of the object this layout is for. e.g. confidence can be for a
  #     single token, a table, a visual element, etc. depending on context.
  #     Range `[0, 1]`.
  # @!attribute [rw] bounding_poly
  #   @return [::Google::Cloud::DocumentAI::V1beta3::BoundingPoly]
  #     The bounding polygon for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout}.
  # @!attribute [rw] orientation
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout::Orientation]
  #     Detected orientation for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout}.
  class Layout
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Detected human reading orientation.
    module Orientation
      # Unspecified orientation.
      ORIENTATION_UNSPECIFIED = 0

      # Orientation is aligned with page up.
      PAGE_UP = 1

      # Orientation is aligned with page right.
      # Turn the head 90 degrees clockwise from upright to read.
      PAGE_RIGHT = 2

      # Orientation is aligned with page down.
      # Turn the head 180 degrees from upright to read.
      PAGE_DOWN = 3

      # Orientation is aligned with page left.
      # Turn the head 90 degrees counterclockwise from upright to read.
      PAGE_LEFT = 4
    end
  end

  # A block has a set of lines (collected into paragraphs) that have a
  # common line-spacing and orientation.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Block Block}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  class Block
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A collection of lines that a human would perceive as a paragraph.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Paragraph Paragraph}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The  history of this annotation.
  class Paragraph
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A collection of tokens that a human would perceive as a line.
  # Does not cross column boundaries, can be horizontal, vertical, etc.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Line Line}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The  history of this annotation.
  class Line
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A detected token.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
  # @!attribute [rw] detected_break
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::DetectedBreak]
  #     Detected break at the end of a
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  # @!attribute [rw] style_info
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo]
  #     Text style attributes.
  class Token
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Detected break at the end of a
    # {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
    # @!attribute [rw] type
    #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::DetectedBreak::Type]
    #     Detected break type.
    class DetectedBreak
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Enum to denote the type of break found.
      module Type
        # Unspecified break type.
        TYPE_UNSPECIFIED = 0

        # A single whitespace.
        SPACE = 1

        # A wider whitespace.
        WIDE_SPACE = 2

        # A hyphen that indicates that a token has been split across lines.
        HYPHEN = 3
      end
    end

    # Font and other text style attributes.
    # @!attribute [rw] font_size
    #   @return [::Integer]
    #     Font size in points (`1` point is `¹⁄₇₂` inches).
    # @!attribute [rw] pixel_font_size
    #   @return [::Float]
    #     Font size in pixels, equal to _unrounded
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo#font_size font_size}_
    #     * _resolution_ ÷ `72.0`.
    # @!attribute [rw] letter_spacing
    #   @return [::Float]
    #     Letter spacing in points.
    # @!attribute [rw] font_type
    #   @return [::String]
    #     Name or style of the font.
    # @!attribute [rw] bold
    #   @return [::Boolean]
    #     Whether the text is bold (equivalent to
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo#font_weight font_weight}
    #     is at least `700`).
    # @!attribute [rw] italic
    #   @return [::Boolean]
    #     Whether the text is italic.
    # @!attribute [rw] underlined
    #   @return [::Boolean]
    #     Whether the text is underlined.
    # @!attribute [rw] strikeout
    #   @return [::Boolean]
    #     Whether the text is strikethrough.
    # @!attribute [rw] subscript
    #   @return [::Boolean]
    #     Whether the text is a subscript.
    # @!attribute [rw] superscript
    #   @return [::Boolean]
    #     Whether the text is a superscript.
    # @!attribute [rw] smallcaps
    #   @return [::Boolean]
    #     Whether the text is in small caps.
    # @!attribute [rw] font_weight
    #   @return [::Integer]
    #     TrueType weight on a scale `100` (thin) to `1000` (ultra-heavy).
    #     Normal is `400`, bold is `700`.
    # @!attribute [rw] handwritten
    #   @return [::Boolean]
    #     Whether the text is handwritten.
    # @!attribute [rw] text_color
    #   @return [::Google::Type::Color]
    #     Color of the text.
    # @!attribute [rw] background_color
    #   @return [::Google::Type::Color]
    #     Color of the background.
    class StyleInfo
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A detected symbol.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Symbol Symbol}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  class Symbol
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Detected non-text visual elements e.g. checkbox, signature etc. on the
  # page.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::VisualElement VisualElement}.
  # @!attribute [rw] type
  #   @return [::String]
  #     Type of the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::VisualElement VisualElement}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  class VisualElement
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A table representation similar to HTML table structure.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table Table}.
  # @!attribute [rw] header_rows
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableRow>]
  #     Header rows of the table.
  # @!attribute [rw] body_rows
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableRow>]
  #     Body rows of the table.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this table.
  class Table
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # A row of table cells.
    # @!attribute [rw] cells
    #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableCell>]
    #     Cells that make up this row.
    class TableRow
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end

    # A cell representation inside the table.
    # @!attribute [rw] layout
    #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableCell TableCell}.
    # @!attribute [rw] row_span
    #   @return [::Integer]
    #     How many rows this cell spans.
    # @!attribute [rw] col_span
    #   @return [::Integer]
    #     How many columns this cell spans.
    # @!attribute [rw] detected_languages
    #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
    #     A list of detected languages together with confidence.
    class TableCell
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A form field detected on the page.
  # @!attribute [rw] field_name
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::FormField FormField}
  #     name. e.g. `Address`, `Email`, `Grand total`, `Phone number`, etc.
  # @!attribute [rw] field_value
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::FormField FormField}
  #     value.
  # @!attribute [rw] name_detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages for name together with confidence.
  # @!attribute [rw] value_detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages for value together with confidence.
  # @!attribute [rw] value_type
  #   @return [::String]
  #     If the value is non-textual, this field represents the type. Current
  #     valid values are:
  #
  #     - blank (this indicates the `field_value` is normal text)
  #     - `unfilled_checkbox`
  #     - `filled_checkbox`
  # @!attribute [rw] corrected_key_text
  #   @return [::String]
  #     Created for Labeling UI to export key text.
  #     If corrections were made to the text identified by the
  #     `field_name.text_anchor`, this field will contain the correction.
  # @!attribute [rw] corrected_value_text
  #   @return [::String]
  #     Created for Labeling UI to export value text.
  #     If corrections were made to the text identified by the
  #     `field_value.text_anchor`, this field will contain the correction.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  class FormField
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A detected barcode.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedBarcode DetectedBarcode}.
  # @!attribute [rw] barcode
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Barcode]
  #     Detailed barcode information of the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedBarcode DetectedBarcode}.
  class DetectedBarcode
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Detected language for a structural component.
  # @!attribute [rw] language_code
  #   @return [::String]
  #     The [BCP-47 language
  #     code](https://www.unicode.org/reports/tr35/#Unicode_locale_identifier),
  #     such as `en-US` or `sr-Latn`.
  # @!attribute [rw] confidence
  #   @return [::Float]
  #     Confidence of detected language. Range `[0, 1]`.
  class DetectedLanguage
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Image quality scores for the page image.
  # @!attribute [rw] quality_score
  #   @return [::Float]
  #     The overall quality score. Range `[0, 1]` where `1` is perfect quality.
  # @!attribute [rw] detected_defects
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::ImageQualityScores::DetectedDefect>]
  #     A list of detected defects.
  class ImageQualityScores
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Image Quality Defects
    # @!attribute [rw] type
    #   @return [::String]
    #     Name of the defect type. Supported values are:
    #
    #     - `quality/defect_blurry`
    #     - `quality/defect_noisy`
    #     - `quality/defect_dark`
    #     - `quality/defect_faint`
    #     - `quality/defect_text_too_small`
    #     - `quality/defect_document_cutoff`
    #     - `quality/defect_text_cutoff`
    #     - `quality/defect_glare`
    # @!attribute [rw] confidence
    #   @return [::Float]
    #     Confidence of detected defect. Range `[0, 1]` where `1` indicates
    #     strong confidence that the defect exists.
    class DetectedDefect
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end
end

#tokens ⇒ ::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token>

Returns A list of visually detected tokens on the page.

Returns:



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# File 'proto_docs/google/cloud/documentai/v1beta3/document.rb', line 219

class Page
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Dimension for the page.
  # @!attribute [rw] width
  #   @return [::Float]
  #     Page width.
  # @!attribute [rw] height
  #   @return [::Float]
  #     Page height.
  # @!attribute [rw] unit
  #   @return [::String]
  #     Dimension unit.
  class Dimension
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Rendered image contents for this page.
  # @!attribute [rw] content
  #   @return [::String]
  #     Raw byte content of the image.
  # @!attribute [rw] mime_type
  #   @return [::String]
  #     Encoding [media type (MIME
  #     type)](https://www.iana.org/assignments/media-types/media-types.xhtml)
  #     for the image.
  # @!attribute [rw] width
  #   @return [::Integer]
  #     Width of the image in pixels.
  # @!attribute [rw] height
  #   @return [::Integer]
  #     Height of the image in pixels.
  class Image
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Representation for transformation matrix, intended to be compatible and
  # used with OpenCV format for image manipulation.
  # @!attribute [rw] rows
  #   @return [::Integer]
  #     Number of rows in the matrix.
  # @!attribute [rw] cols
  #   @return [::Integer]
  #     Number of columns in the matrix.
  # @!attribute [rw] type
  #   @return [::Integer]
  #     This encodes information about what data type the matrix uses.
  #     For example, 0 (CV_8U) is an unsigned 8-bit image. For the full list
  #     of OpenCV primitive data types, please refer to
  #     https://docs.opencv.org/4.3.0/d1/d1b/group__core__hal__interface.html
  # @!attribute [rw] data
  #   @return [::String]
  #     The matrix data.
  class Matrix
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Visual element describing a layout unit on a page.
  # @!attribute [rw] text_anchor
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::TextAnchor]
  #     Text anchor indexing into the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document#text Document.text}.
  # @!attribute [rw] confidence
  #   @return [::Float]
  #     Confidence of the current
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} within
  #     context of the object this layout is for. e.g. confidence can be for a
  #     single token, a table, a visual element, etc. depending on context.
  #     Range `[0, 1]`.
  # @!attribute [rw] bounding_poly
  #   @return [::Google::Cloud::DocumentAI::V1beta3::BoundingPoly]
  #     The bounding polygon for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout}.
  # @!attribute [rw] orientation
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout::Orientation]
  #     Detected orientation for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout}.
  class Layout
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Detected human reading orientation.
    module Orientation
      # Unspecified orientation.
      ORIENTATION_UNSPECIFIED = 0

      # Orientation is aligned with page up.
      PAGE_UP = 1

      # Orientation is aligned with page right.
      # Turn the head 90 degrees clockwise from upright to read.
      PAGE_RIGHT = 2

      # Orientation is aligned with page down.
      # Turn the head 180 degrees from upright to read.
      PAGE_DOWN = 3

      # Orientation is aligned with page left.
      # Turn the head 90 degrees counterclockwise from upright to read.
      PAGE_LEFT = 4
    end
  end

  # A block has a set of lines (collected into paragraphs) that have a
  # common line-spacing and orientation.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Block Block}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  class Block
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A collection of lines that a human would perceive as a paragraph.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Paragraph Paragraph}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The  history of this annotation.
  class Paragraph
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A collection of tokens that a human would perceive as a line.
  # Does not cross column boundaries, can be horizontal, vertical, etc.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Line Line}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The  history of this annotation.
  class Line
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A detected token.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
  # @!attribute [rw] detected_break
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::DetectedBreak]
  #     Detected break at the end of a
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  # @!attribute [rw] style_info
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo]
  #     Text style attributes.
  class Token
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Detected break at the end of a
    # {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
    # @!attribute [rw] type
    #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::DetectedBreak::Type]
    #     Detected break type.
    class DetectedBreak
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Enum to denote the type of break found.
      module Type
        # Unspecified break type.
        TYPE_UNSPECIFIED = 0

        # A single whitespace.
        SPACE = 1

        # A wider whitespace.
        WIDE_SPACE = 2

        # A hyphen that indicates that a token has been split across lines.
        HYPHEN = 3
      end
    end

    # Font and other text style attributes.
    # @!attribute [rw] font_size
    #   @return [::Integer]
    #     Font size in points (`1` point is `¹⁄₇₂` inches).
    # @!attribute [rw] pixel_font_size
    #   @return [::Float]
    #     Font size in pixels, equal to _unrounded
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo#font_size font_size}_
    #     * _resolution_ ÷ `72.0`.
    # @!attribute [rw] letter_spacing
    #   @return [::Float]
    #     Letter spacing in points.
    # @!attribute [rw] font_type
    #   @return [::String]
    #     Name or style of the font.
    # @!attribute [rw] bold
    #   @return [::Boolean]
    #     Whether the text is bold (equivalent to
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo#font_weight font_weight}
    #     is at least `700`).
    # @!attribute [rw] italic
    #   @return [::Boolean]
    #     Whether the text is italic.
    # @!attribute [rw] underlined
    #   @return [::Boolean]
    #     Whether the text is underlined.
    # @!attribute [rw] strikeout
    #   @return [::Boolean]
    #     Whether the text is strikethrough.
    # @!attribute [rw] subscript
    #   @return [::Boolean]
    #     Whether the text is a subscript.
    # @!attribute [rw] superscript
    #   @return [::Boolean]
    #     Whether the text is a superscript.
    # @!attribute [rw] smallcaps
    #   @return [::Boolean]
    #     Whether the text is in small caps.
    # @!attribute [rw] font_weight
    #   @return [::Integer]
    #     TrueType weight on a scale `100` (thin) to `1000` (ultra-heavy).
    #     Normal is `400`, bold is `700`.
    # @!attribute [rw] handwritten
    #   @return [::Boolean]
    #     Whether the text is handwritten.
    # @!attribute [rw] text_color
    #   @return [::Google::Type::Color]
    #     Color of the text.
    # @!attribute [rw] background_color
    #   @return [::Google::Type::Color]
    #     Color of the background.
    class StyleInfo
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A detected symbol.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Symbol Symbol}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  class Symbol
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Detected non-text visual elements e.g. checkbox, signature etc. on the
  # page.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::VisualElement VisualElement}.
  # @!attribute [rw] type
  #   @return [::String]
  #     Type of the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::VisualElement VisualElement}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  class VisualElement
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A table representation similar to HTML table structure.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table Table}.
  # @!attribute [rw] header_rows
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableRow>]
  #     Header rows of the table.
  # @!attribute [rw] body_rows
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableRow>]
  #     Body rows of the table.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this table.
  class Table
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # A row of table cells.
    # @!attribute [rw] cells
    #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableCell>]
    #     Cells that make up this row.
    class TableRow
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end

    # A cell representation inside the table.
    # @!attribute [rw] layout
    #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableCell TableCell}.
    # @!attribute [rw] row_span
    #   @return [::Integer]
    #     How many rows this cell spans.
    # @!attribute [rw] col_span
    #   @return [::Integer]
    #     How many columns this cell spans.
    # @!attribute [rw] detected_languages
    #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
    #     A list of detected languages together with confidence.
    class TableCell
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A form field detected on the page.
  # @!attribute [rw] field_name
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::FormField FormField}
  #     name. e.g. `Address`, `Email`, `Grand total`, `Phone number`, etc.
  # @!attribute [rw] field_value
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::FormField FormField}
  #     value.
  # @!attribute [rw] name_detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages for name together with confidence.
  # @!attribute [rw] value_detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages for value together with confidence.
  # @!attribute [rw] value_type
  #   @return [::String]
  #     If the value is non-textual, this field represents the type. Current
  #     valid values are:
  #
  #     - blank (this indicates the `field_value` is normal text)
  #     - `unfilled_checkbox`
  #     - `filled_checkbox`
  # @!attribute [rw] corrected_key_text
  #   @return [::String]
  #     Created for Labeling UI to export key text.
  #     If corrections were made to the text identified by the
  #     `field_name.text_anchor`, this field will contain the correction.
  # @!attribute [rw] corrected_value_text
  #   @return [::String]
  #     Created for Labeling UI to export value text.
  #     If corrections were made to the text identified by the
  #     `field_value.text_anchor`, this field will contain the correction.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  class FormField
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A detected barcode.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedBarcode DetectedBarcode}.
  # @!attribute [rw] barcode
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Barcode]
  #     Detailed barcode information of the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedBarcode DetectedBarcode}.
  class DetectedBarcode
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Detected language for a structural component.
  # @!attribute [rw] language_code
  #   @return [::String]
  #     The [BCP-47 language
  #     code](https://www.unicode.org/reports/tr35/#Unicode_locale_identifier),
  #     such as `en-US` or `sr-Latn`.
  # @!attribute [rw] confidence
  #   @return [::Float]
  #     Confidence of detected language. Range `[0, 1]`.
  class DetectedLanguage
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Image quality scores for the page image.
  # @!attribute [rw] quality_score
  #   @return [::Float]
  #     The overall quality score. Range `[0, 1]` where `1` is perfect quality.
  # @!attribute [rw] detected_defects
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::ImageQualityScores::DetectedDefect>]
  #     A list of detected defects.
  class ImageQualityScores
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Image Quality Defects
    # @!attribute [rw] type
    #   @return [::String]
    #     Name of the defect type. Supported values are:
    #
    #     - `quality/defect_blurry`
    #     - `quality/defect_noisy`
    #     - `quality/defect_dark`
    #     - `quality/defect_faint`
    #     - `quality/defect_text_too_small`
    #     - `quality/defect_document_cutoff`
    #     - `quality/defect_text_cutoff`
    #     - `quality/defect_glare`
    # @!attribute [rw] confidence
    #   @return [::Float]
    #     Confidence of detected defect. Range `[0, 1]` where `1` indicates
    #     strong confidence that the defect exists.
    class DetectedDefect
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end
end

#transforms ⇒ ::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Matrix>

Returns Transformation matrices that were applied to the original document image to produce Page.image.

Returns:



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# File 'proto_docs/google/cloud/documentai/v1beta3/document.rb', line 219

class Page
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Dimension for the page.
  # @!attribute [rw] width
  #   @return [::Float]
  #     Page width.
  # @!attribute [rw] height
  #   @return [::Float]
  #     Page height.
  # @!attribute [rw] unit
  #   @return [::String]
  #     Dimension unit.
  class Dimension
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Rendered image contents for this page.
  # @!attribute [rw] content
  #   @return [::String]
  #     Raw byte content of the image.
  # @!attribute [rw] mime_type
  #   @return [::String]
  #     Encoding [media type (MIME
  #     type)](https://www.iana.org/assignments/media-types/media-types.xhtml)
  #     for the image.
  # @!attribute [rw] width
  #   @return [::Integer]
  #     Width of the image in pixels.
  # @!attribute [rw] height
  #   @return [::Integer]
  #     Height of the image in pixels.
  class Image
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Representation for transformation matrix, intended to be compatible and
  # used with OpenCV format for image manipulation.
  # @!attribute [rw] rows
  #   @return [::Integer]
  #     Number of rows in the matrix.
  # @!attribute [rw] cols
  #   @return [::Integer]
  #     Number of columns in the matrix.
  # @!attribute [rw] type
  #   @return [::Integer]
  #     This encodes information about what data type the matrix uses.
  #     For example, 0 (CV_8U) is an unsigned 8-bit image. For the full list
  #     of OpenCV primitive data types, please refer to
  #     https://docs.opencv.org/4.3.0/d1/d1b/group__core__hal__interface.html
  # @!attribute [rw] data
  #   @return [::String]
  #     The matrix data.
  class Matrix
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Visual element describing a layout unit on a page.
  # @!attribute [rw] text_anchor
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::TextAnchor]
  #     Text anchor indexing into the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document#text Document.text}.
  # @!attribute [rw] confidence
  #   @return [::Float]
  #     Confidence of the current
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} within
  #     context of the object this layout is for. e.g. confidence can be for a
  #     single token, a table, a visual element, etc. depending on context.
  #     Range `[0, 1]`.
  # @!attribute [rw] bounding_poly
  #   @return [::Google::Cloud::DocumentAI::V1beta3::BoundingPoly]
  #     The bounding polygon for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout}.
  # @!attribute [rw] orientation
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout::Orientation]
  #     Detected orientation for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout}.
  class Layout
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Detected human reading orientation.
    module Orientation
      # Unspecified orientation.
      ORIENTATION_UNSPECIFIED = 0

      # Orientation is aligned with page up.
      PAGE_UP = 1

      # Orientation is aligned with page right.
      # Turn the head 90 degrees clockwise from upright to read.
      PAGE_RIGHT = 2

      # Orientation is aligned with page down.
      # Turn the head 180 degrees from upright to read.
      PAGE_DOWN = 3

      # Orientation is aligned with page left.
      # Turn the head 90 degrees counterclockwise from upright to read.
      PAGE_LEFT = 4
    end
  end

  # A block has a set of lines (collected into paragraphs) that have a
  # common line-spacing and orientation.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Block Block}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  class Block
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A collection of lines that a human would perceive as a paragraph.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Paragraph Paragraph}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The  history of this annotation.
  class Paragraph
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A collection of tokens that a human would perceive as a line.
  # Does not cross column boundaries, can be horizontal, vertical, etc.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Line Line}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The  history of this annotation.
  class Line
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A detected token.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
  # @!attribute [rw] detected_break
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::DetectedBreak]
  #     Detected break at the end of a
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  # @!attribute [rw] style_info
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo]
  #     Text style attributes.
  class Token
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Detected break at the end of a
    # {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
    # @!attribute [rw] type
    #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::DetectedBreak::Type]
    #     Detected break type.
    class DetectedBreak
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Enum to denote the type of break found.
      module Type
        # Unspecified break type.
        TYPE_UNSPECIFIED = 0

        # A single whitespace.
        SPACE = 1

        # A wider whitespace.
        WIDE_SPACE = 2

        # A hyphen that indicates that a token has been split across lines.
        HYPHEN = 3
      end
    end

    # Font and other text style attributes.
    # @!attribute [rw] font_size
    #   @return [::Integer]
    #     Font size in points (`1` point is `¹⁄₇₂` inches).
    # @!attribute [rw] pixel_font_size
    #   @return [::Float]
    #     Font size in pixels, equal to _unrounded
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo#font_size font_size}_
    #     * _resolution_ ÷ `72.0`.
    # @!attribute [rw] letter_spacing
    #   @return [::Float]
    #     Letter spacing in points.
    # @!attribute [rw] font_type
    #   @return [::String]
    #     Name or style of the font.
    # @!attribute [rw] bold
    #   @return [::Boolean]
    #     Whether the text is bold (equivalent to
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo#font_weight font_weight}
    #     is at least `700`).
    # @!attribute [rw] italic
    #   @return [::Boolean]
    #     Whether the text is italic.
    # @!attribute [rw] underlined
    #   @return [::Boolean]
    #     Whether the text is underlined.
    # @!attribute [rw] strikeout
    #   @return [::Boolean]
    #     Whether the text is strikethrough.
    # @!attribute [rw] subscript
    #   @return [::Boolean]
    #     Whether the text is a subscript.
    # @!attribute [rw] superscript
    #   @return [::Boolean]
    #     Whether the text is a superscript.
    # @!attribute [rw] smallcaps
    #   @return [::Boolean]
    #     Whether the text is in small caps.
    # @!attribute [rw] font_weight
    #   @return [::Integer]
    #     TrueType weight on a scale `100` (thin) to `1000` (ultra-heavy).
    #     Normal is `400`, bold is `700`.
    # @!attribute [rw] handwritten
    #   @return [::Boolean]
    #     Whether the text is handwritten.
    # @!attribute [rw] text_color
    #   @return [::Google::Type::Color]
    #     Color of the text.
    # @!attribute [rw] background_color
    #   @return [::Google::Type::Color]
    #     Color of the background.
    class StyleInfo
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A detected symbol.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Symbol Symbol}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  class Symbol
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Detected non-text visual elements e.g. checkbox, signature etc. on the
  # page.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::VisualElement VisualElement}.
  # @!attribute [rw] type
  #   @return [::String]
  #     Type of the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::VisualElement VisualElement}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  class VisualElement
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A table representation similar to HTML table structure.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table Table}.
  # @!attribute [rw] header_rows
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableRow>]
  #     Header rows of the table.
  # @!attribute [rw] body_rows
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableRow>]
  #     Body rows of the table.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this table.
  class Table
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # A row of table cells.
    # @!attribute [rw] cells
    #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableCell>]
    #     Cells that make up this row.
    class TableRow
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end

    # A cell representation inside the table.
    # @!attribute [rw] layout
    #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableCell TableCell}.
    # @!attribute [rw] row_span
    #   @return [::Integer]
    #     How many rows this cell spans.
    # @!attribute [rw] col_span
    #   @return [::Integer]
    #     How many columns this cell spans.
    # @!attribute [rw] detected_languages
    #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
    #     A list of detected languages together with confidence.
    class TableCell
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A form field detected on the page.
  # @!attribute [rw] field_name
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::FormField FormField}
  #     name. e.g. `Address`, `Email`, `Grand total`, `Phone number`, etc.
  # @!attribute [rw] field_value
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::FormField FormField}
  #     value.
  # @!attribute [rw] name_detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages for name together with confidence.
  # @!attribute [rw] value_detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages for value together with confidence.
  # @!attribute [rw] value_type
  #   @return [::String]
  #     If the value is non-textual, this field represents the type. Current
  #     valid values are:
  #
  #     - blank (this indicates the `field_value` is normal text)
  #     - `unfilled_checkbox`
  #     - `filled_checkbox`
  # @!attribute [rw] corrected_key_text
  #   @return [::String]
  #     Created for Labeling UI to export key text.
  #     If corrections were made to the text identified by the
  #     `field_name.text_anchor`, this field will contain the correction.
  # @!attribute [rw] corrected_value_text
  #   @return [::String]
  #     Created for Labeling UI to export value text.
  #     If corrections were made to the text identified by the
  #     `field_value.text_anchor`, this field will contain the correction.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  class FormField
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A detected barcode.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedBarcode DetectedBarcode}.
  # @!attribute [rw] barcode
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Barcode]
  #     Detailed barcode information of the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedBarcode DetectedBarcode}.
  class DetectedBarcode
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Detected language for a structural component.
  # @!attribute [rw] language_code
  #   @return [::String]
  #     The [BCP-47 language
  #     code](https://www.unicode.org/reports/tr35/#Unicode_locale_identifier),
  #     such as `en-US` or `sr-Latn`.
  # @!attribute [rw] confidence
  #   @return [::Float]
  #     Confidence of detected language. Range `[0, 1]`.
  class DetectedLanguage
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Image quality scores for the page image.
  # @!attribute [rw] quality_score
  #   @return [::Float]
  #     The overall quality score. Range `[0, 1]` where `1` is perfect quality.
  # @!attribute [rw] detected_defects
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::ImageQualityScores::DetectedDefect>]
  #     A list of detected defects.
  class ImageQualityScores
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Image Quality Defects
    # @!attribute [rw] type
    #   @return [::String]
    #     Name of the defect type. Supported values are:
    #
    #     - `quality/defect_blurry`
    #     - `quality/defect_noisy`
    #     - `quality/defect_dark`
    #     - `quality/defect_faint`
    #     - `quality/defect_text_too_small`
    #     - `quality/defect_document_cutoff`
    #     - `quality/defect_text_cutoff`
    #     - `quality/defect_glare`
    # @!attribute [rw] confidence
    #   @return [::Float]
    #     Confidence of detected defect. Range `[0, 1]` where `1` indicates
    #     strong confidence that the defect exists.
    class DetectedDefect
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end
end

#visual_elements ⇒ ::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::VisualElement>

Returns A list of detected non-text visual elements e.g. checkbox, signature etc. on the page.

Returns:



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# File 'proto_docs/google/cloud/documentai/v1beta3/document.rb', line 219

class Page
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Dimension for the page.
  # @!attribute [rw] width
  #   @return [::Float]
  #     Page width.
  # @!attribute [rw] height
  #   @return [::Float]
  #     Page height.
  # @!attribute [rw] unit
  #   @return [::String]
  #     Dimension unit.
  class Dimension
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Rendered image contents for this page.
  # @!attribute [rw] content
  #   @return [::String]
  #     Raw byte content of the image.
  # @!attribute [rw] mime_type
  #   @return [::String]
  #     Encoding [media type (MIME
  #     type)](https://www.iana.org/assignments/media-types/media-types.xhtml)
  #     for the image.
  # @!attribute [rw] width
  #   @return [::Integer]
  #     Width of the image in pixels.
  # @!attribute [rw] height
  #   @return [::Integer]
  #     Height of the image in pixels.
  class Image
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Representation for transformation matrix, intended to be compatible and
  # used with OpenCV format for image manipulation.
  # @!attribute [rw] rows
  #   @return [::Integer]
  #     Number of rows in the matrix.
  # @!attribute [rw] cols
  #   @return [::Integer]
  #     Number of columns in the matrix.
  # @!attribute [rw] type
  #   @return [::Integer]
  #     This encodes information about what data type the matrix uses.
  #     For example, 0 (CV_8U) is an unsigned 8-bit image. For the full list
  #     of OpenCV primitive data types, please refer to
  #     https://docs.opencv.org/4.3.0/d1/d1b/group__core__hal__interface.html
  # @!attribute [rw] data
  #   @return [::String]
  #     The matrix data.
  class Matrix
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Visual element describing a layout unit on a page.
  # @!attribute [rw] text_anchor
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::TextAnchor]
  #     Text anchor indexing into the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document#text Document.text}.
  # @!attribute [rw] confidence
  #   @return [::Float]
  #     Confidence of the current
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} within
  #     context of the object this layout is for. e.g. confidence can be for a
  #     single token, a table, a visual element, etc. depending on context.
  #     Range `[0, 1]`.
  # @!attribute [rw] bounding_poly
  #   @return [::Google::Cloud::DocumentAI::V1beta3::BoundingPoly]
  #     The bounding polygon for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout}.
  # @!attribute [rw] orientation
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout::Orientation]
  #     Detected orientation for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout}.
  class Layout
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Detected human reading orientation.
    module Orientation
      # Unspecified orientation.
      ORIENTATION_UNSPECIFIED = 0

      # Orientation is aligned with page up.
      PAGE_UP = 1

      # Orientation is aligned with page right.
      # Turn the head 90 degrees clockwise from upright to read.
      PAGE_RIGHT = 2

      # Orientation is aligned with page down.
      # Turn the head 180 degrees from upright to read.
      PAGE_DOWN = 3

      # Orientation is aligned with page left.
      # Turn the head 90 degrees counterclockwise from upright to read.
      PAGE_LEFT = 4
    end
  end

  # A block has a set of lines (collected into paragraphs) that have a
  # common line-spacing and orientation.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Block Block}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  class Block
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A collection of lines that a human would perceive as a paragraph.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Paragraph Paragraph}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The  history of this annotation.
  class Paragraph
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A collection of tokens that a human would perceive as a line.
  # Does not cross column boundaries, can be horizontal, vertical, etc.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Line Line}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The  history of this annotation.
  class Line
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A detected token.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
  # @!attribute [rw] detected_break
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::DetectedBreak]
  #     Detected break at the end of a
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  # @!attribute [rw] style_info
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo]
  #     Text style attributes.
  class Token
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Detected break at the end of a
    # {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token Token}.
    # @!attribute [rw] type
    #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::DetectedBreak::Type]
    #     Detected break type.
    class DetectedBreak
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Enum to denote the type of break found.
      module Type
        # Unspecified break type.
        TYPE_UNSPECIFIED = 0

        # A single whitespace.
        SPACE = 1

        # A wider whitespace.
        WIDE_SPACE = 2

        # A hyphen that indicates that a token has been split across lines.
        HYPHEN = 3
      end
    end

    # Font and other text style attributes.
    # @!attribute [rw] font_size
    #   @return [::Integer]
    #     Font size in points (`1` point is `¹⁄₇₂` inches).
    # @!attribute [rw] pixel_font_size
    #   @return [::Float]
    #     Font size in pixels, equal to _unrounded
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo#font_size font_size}_
    #     * _resolution_ ÷ `72.0`.
    # @!attribute [rw] letter_spacing
    #   @return [::Float]
    #     Letter spacing in points.
    # @!attribute [rw] font_type
    #   @return [::String]
    #     Name or style of the font.
    # @!attribute [rw] bold
    #   @return [::Boolean]
    #     Whether the text is bold (equivalent to
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Token::StyleInfo#font_weight font_weight}
    #     is at least `700`).
    # @!attribute [rw] italic
    #   @return [::Boolean]
    #     Whether the text is italic.
    # @!attribute [rw] underlined
    #   @return [::Boolean]
    #     Whether the text is underlined.
    # @!attribute [rw] strikeout
    #   @return [::Boolean]
    #     Whether the text is strikethrough.
    # @!attribute [rw] subscript
    #   @return [::Boolean]
    #     Whether the text is a subscript.
    # @!attribute [rw] superscript
    #   @return [::Boolean]
    #     Whether the text is a superscript.
    # @!attribute [rw] smallcaps
    #   @return [::Boolean]
    #     Whether the text is in small caps.
    # @!attribute [rw] font_weight
    #   @return [::Integer]
    #     TrueType weight on a scale `100` (thin) to `1000` (ultra-heavy).
    #     Normal is `400`, bold is `700`.
    # @!attribute [rw] handwritten
    #   @return [::Boolean]
    #     Whether the text is handwritten.
    # @!attribute [rw] text_color
    #   @return [::Google::Type::Color]
    #     Color of the text.
    # @!attribute [rw] background_color
    #   @return [::Google::Type::Color]
    #     Color of the background.
    class StyleInfo
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A detected symbol.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Symbol Symbol}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  class Symbol
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Detected non-text visual elements e.g. checkbox, signature etc. on the
  # page.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::VisualElement VisualElement}.
  # @!attribute [rw] type
  #   @return [::String]
  #     Type of the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::VisualElement VisualElement}.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  class VisualElement
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A table representation similar to HTML table structure.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table Table}.
  # @!attribute [rw] header_rows
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableRow>]
  #     Header rows of the table.
  # @!attribute [rw] body_rows
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableRow>]
  #     Body rows of the table.
  # @!attribute [rw] detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages together with confidence.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this table.
  class Table
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # A row of table cells.
    # @!attribute [rw] cells
    #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableCell>]
    #     Cells that make up this row.
    class TableRow
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end

    # A cell representation inside the table.
    # @!attribute [rw] layout
    #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
    #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Table::TableCell TableCell}.
    # @!attribute [rw] row_span
    #   @return [::Integer]
    #     How many rows this cell spans.
    # @!attribute [rw] col_span
    #   @return [::Integer]
    #     How many columns this cell spans.
    # @!attribute [rw] detected_languages
    #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
    #     A list of detected languages together with confidence.
    class TableCell
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # A form field detected on the page.
  # @!attribute [rw] field_name
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::FormField FormField}
  #     name. e.g. `Address`, `Email`, `Grand total`, `Phone number`, etc.
  # @!attribute [rw] field_value
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::FormField FormField}
  #     value.
  # @!attribute [rw] name_detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages for name together with confidence.
  # @!attribute [rw] value_detected_languages
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedLanguage>]
  #     A list of detected languages for value together with confidence.
  # @!attribute [rw] value_type
  #   @return [::String]
  #     If the value is non-textual, this field represents the type. Current
  #     valid values are:
  #
  #     - blank (this indicates the `field_value` is normal text)
  #     - `unfilled_checkbox`
  #     - `filled_checkbox`
  # @!attribute [rw] corrected_key_text
  #   @return [::String]
  #     Created for Labeling UI to export key text.
  #     If corrections were made to the text identified by the
  #     `field_name.text_anchor`, this field will contain the correction.
  # @!attribute [rw] corrected_value_text
  #   @return [::String]
  #     Created for Labeling UI to export value text.
  #     If corrections were made to the text identified by the
  #     `field_value.text_anchor`, this field will contain the correction.
  # @!attribute [rw] provenance
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Provenance]
  #     The history of this annotation.
  class FormField
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # A detected barcode.
  # @!attribute [rw] layout
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout]
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::Layout Layout} for
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedBarcode DetectedBarcode}.
  # @!attribute [rw] barcode
  #   @return [::Google::Cloud::DocumentAI::V1beta3::Barcode]
  #     Detailed barcode information of the
  #     {::Google::Cloud::DocumentAI::V1beta3::Document::Page::DetectedBarcode DetectedBarcode}.
  class DetectedBarcode
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Detected language for a structural component.
  # @!attribute [rw] language_code
  #   @return [::String]
  #     The [BCP-47 language
  #     code](https://www.unicode.org/reports/tr35/#Unicode_locale_identifier),
  #     such as `en-US` or `sr-Latn`.
  # @!attribute [rw] confidence
  #   @return [::Float]
  #     Confidence of detected language. Range `[0, 1]`.
  class DetectedLanguage
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Image quality scores for the page image.
  # @!attribute [rw] quality_score
  #   @return [::Float]
  #     The overall quality score. Range `[0, 1]` where `1` is perfect quality.
  # @!attribute [rw] detected_defects
  #   @return [::Array<::Google::Cloud::DocumentAI::V1beta3::Document::Page::ImageQualityScores::DetectedDefect>]
  #     A list of detected defects.
  class ImageQualityScores
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Image Quality Defects
    # @!attribute [rw] type
    #   @return [::String]
    #     Name of the defect type. Supported values are:
    #
    #     - `quality/defect_blurry`
    #     - `quality/defect_noisy`
    #     - `quality/defect_dark`
    #     - `quality/defect_faint`
    #     - `quality/defect_text_too_small`
    #     - `quality/defect_document_cutoff`
    #     - `quality/defect_text_cutoff`
    #     - `quality/defect_glare`
    # @!attribute [rw] confidence
    #   @return [::Float]
    #     Confidence of detected defect. Range `[0, 1]` where `1` indicates
    #     strong confidence that the defect exists.
    class DetectedDefect
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end
end