Class: Rabbit::ImageManipulable::PDF

Inherits:
Base
  • Object
show all
Includes:
GetText
Defined in:
lib/rabbit/image/pdf.rb

Constant Summary

Constants included from GetText

GetText::DOMAIN

Constants included from ModuleLoader

ModuleLoader::LOADERS

Instance Attribute Summary

Attributes inherited from Base

#animation, #original_height, #original_width, #properties

Class Method Summary collapse

Instance Method Summary collapse

Methods included from GetText

included

Methods inherited from Base

#[], #[]=, delegate, #height, #initialize, #keep_ratio=, #keep_ratio?, #relative_clip_height, #relative_clip_width, #relative_clip_x, #relative_clip_y, #resize, #width

Methods included from ModuleLoader

extend_object, #find_loader, #loaders, #push_loader, #unshift_loader

Constructor Details

This class inherits a constructor from Rabbit::ImageManipulable::Base

Class Method Details

.match?(filename) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rabbit/image/pdf.rb', line 30

def match?(filename)
  return true if File.extname(filename) == ".pdf"

  File.open(filename, "rb") do |file|
    data = file.read(10)
    return false if data.nil?

    data.start_with?("%PDF-1.")
  end
end

Instance Method Details

#draw(canvas, x, y, params = {}) ⇒ Object 



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# File 'lib/rabbit/image/pdf.rb', line 42

def draw(canvas, x, y, params={})
  if @document
    default_params = default_draw_params(x, y)
    canvas.draw_poppler_page(page, x, y, default_params.merge(params))
  else
    super
  end
end

#pixbuf ⇒ Object 



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# File 'lib/rabbit/image/pdf.rb', line 51

def pixbuf
  @pixbuf ||= to_pixbuf
end

#update_size ⇒ Object 



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# File 'lib/rabbit/image/pdf.rb', line 55

def update_size
  @document = Poppler::Document.new(uri)
  @width, @height = page.size
end