Class: Prawn::Document::MultiBox

Inherits:
Object
  • Object
show all
Defined in:
lib/prawn/grid.rb

Overview

A MultiBox is specified by 2 Boxes and spans the areas between.

Experimental API collapse

Constructor Details

#initialize(pdf, box1, box2) ⇒ MultiBox

Returns a new instance of MultiBox.



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# File 'lib/prawn/grid.rb', line 299

def initialize(pdf, box1, box2)
  @pdf = pdf
  @boxes = [box1, box2]
end

Instance Method Details

#bottom ⇒ Float

y-coordinate of the bottom.

Returns:

  • (Float) 


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# File 'lib/prawn/grid.rb', line 364

def bottom
  bottom_box.bottom
end

#bottom_left ⇒ Array(Float, Float)

x,y coordinates of bottom left corner.

Returns:

  • (Array(Float, Float)) 


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# File 'lib/prawn/grid.rb', line 385

def bottom_left
  [left, bottom]
end

#bottom_right ⇒ Array(Float, Float)

x,y coordinates of bottom right corner.

Returns:

  • (Array(Float, Float)) 


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# File 'lib/prawn/grid.rb', line 392

def bottom_right
  [right, bottom]
end

#bounding_box { ... } ⇒ void

This method returns an undefined value.

Creates a standard bounding box based on the grid box.

Yields:



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# File 'lib/prawn/grid.rb', line 400

def bounding_box(&blk)
  pdf.bounding_box(top_left, width: width, height: height, &blk)
end

#gutter ⇒ Float

Width of the gutter.

Returns:

  • (Float) 


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# File 'lib/prawn/grid.rb', line 336

def gutter
  @boxes[0].gutter
end

#height ⇒ Float

Height of a box.

Returns:

  • (Float) 


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# File 'lib/prawn/grid.rb', line 329

def height
  top_box.top - bottom_box.bottom
end

#left ⇒ Float

x-coordinate of left side.

Returns:

  • (Float) 


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# File 'lib/prawn/grid.rb', line 343

def left
  left_box.left
end

#name ⇒ String

Mostly diagnostic method that outputs the name of a box.

Returns:

  • (String) 


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# File 'lib/prawn/grid.rb', line 310

def name
  @boxes.map(&:name).join(':')
end

#right ⇒ Float

x-coordinate of right side.

Returns:

  • (Float) 


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# File 'lib/prawn/grid.rb', line 350

def right
  right_box.right
end

#show(grid_color = 'CCCCCC') ⇒ void

This method returns an undefined value.

Drawn the box. Diagnostic method.

Parameters:

  • grid_color (Color) (defaults to: 'CCCCCC') 


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# File 'lib/prawn/grid.rb', line 408

def show(grid_color = 'CCCCCC')
  bounding_box do
    original_stroke_color = pdf.stroke_color

    pdf.stroke_color = grid_color
    pdf.text(name)
    pdf.stroke_bounds

    pdf.stroke_color = original_stroke_color
  end
end

#top ⇒ Float

y-coordinate of the top.

Returns:

  • (Float) 


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# File 'lib/prawn/grid.rb', line 357

def top
  top_box.top
end

#top_left ⇒ Array(Float, Float)

x,y coordinates of top left corner.

Returns:

  • (Array(Float, Float)) 


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# File 'lib/prawn/grid.rb', line 371

def top_left
  [left, top]
end

#top_right ⇒ Array(Float, Float)

x,y coordinates of top right corner.

Returns:

  • (Array(Float, Float)) 


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# File 'lib/prawn/grid.rb', line 378

def top_right
  [right, top]
end

#width ⇒ Float

Width of a box.

Returns:

  • (Float) 


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# File 'lib/prawn/grid.rb', line 322

def width
  right_box.right - left_box.left
end