Class: Halation::ExifToolImage

Inherits:

Object

• Object
• Halation::ExifToolImage

Defined in:

lib/halation/tools/exif_tool/image.rb

Overview

Image interface implementation for ExifTool. Available as apt package ‘libimage-exiftool-perl`.

See Also:

• http://www.sno.phy.queensu.ca/~phil/exiftool/

Instance Method Summary

• #[](tag) ⇒ Object

  Read an Exif tag.

• #[]=(tag, value) ⇒ Object

  Write an Exif tag.

• #initialize(file_path) ⇒ ExifToolImage constructor

  A new instance of ExifToolImage.

• #save ⇒ Object

  Save the Exif data to the image file.

Constructor Details

#initialize(file_path) ⇒ ExifToolImage

Returns a new instance of ExifToolImage.

Parameters:

• file_path (String) —

  Path to the image file.

# File 'lib/halation/tools/exif_tool/image.rb', line 10

def initialize(file_path)
  @image = MiniExiftool.new(file_path, numerical: true)
end

Instance Method Details

#[](tag) ⇒ Object

Read an Exif tag.

Parameters:

• tag (String, Symbol)

# File 'lib/halation/tools/exif_tool/image.rb', line 16

def [](tag)
  @image[tag]
end

#[]=(tag, value) ⇒ Object

Write an Exif tag.

Parameters:

• tag (String, Symbol)
• value (String)

# File 'lib/halation/tools/exif_tool/image.rb', line 23

def []=(tag, value)
  @image[tag] = value
end

#save ⇒ Object

Save the Exif data to the image file.

# File 'lib/halation/tools/exif_tool/image.rb', line 28

def save
  @image.save
end