Contents

# encoding: utf-8

require File.join(File.expand_path(File.dirname(__FILE__)), "spec_helper")  

describe "the image() function" do

  before(:each) do
    @filename = "#{Prawn::BASEDIR}/data/images/pigs.jpg" 
    create_pdf
  end

  it "should only embed an image once, even if it's added multiple times" do
    @pdf.image @filename, :at => [100,100]
    @pdf.image @filename, :at => [300,300]
           
    output = @pdf.render
    images = PDF::Inspector::XObject.analyze(output)
    # there should be 2 images in the page resources
    images.page_xobjects.first.size.should == 2

    # but only 1 image xobject
    output.scan(/\/Type \/XObject/).size.should == 1
  end  
  
  it "should return the image info object" do
    info =  @pdf.image(@filename)
    
    assert info.kind_of?(Prawn::Images::JPG)
    
    info.height.should == 453
  end
  
  it "should accept IO objects" do
    file = File.open(@filename, "rb")
    info = @pdf.image(file)
    
    info.height.should == 453
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
prawn-0.2.1	spec/images_spec.rb
prawn-0.2.2	spec/images_spec.rb
prawn-0.2.3	spec/images_spec.rb