# coding: ASCII-8BIT # Copyright (c) 2011-2023 NAITOH Jun # Released under the MIT license # http://www.opensource.org/licenses/MIT require 'test_helper' class RbpdfTest < Test::Unit::TestCase images = { 'PNG' => {:file => 'logo_rbpdf_8bit.png', :type => 'PNG', :mime => 'image/png', :use_magick => false}, 'PNG monotone' => {:file => 'logo_rbpdf_mono_rgb.png', :type => 'PNG', :mime => 'image/png', :use_magick => false}, 'WEBP' => {:file => 'logo_rbpdf_8bit.webp', :type => 'WEBP', :mime => 'image/webp', :use_magick => true, :channels => 3, :bits => 8}, 'GIF' => {:file => 'logo_rbpdf_8bit.gif', :type => 'GIF', :mime => 'image/gif', :use_magick => true, :channels => 3, :bits => 8}, 'GIF alpha' => {:file => 'logo_rbpdf_8bit_alpha.gif', :type => 'GIF', :mime => 'image/gif', :use_magick => true, :channels => 3, :bits => 8}, 'JPEG RGB' => {:file => 'logo_rbpdf_8bit.jpg', :type => 'JPEG', :mime => 'image/jpeg', :use_magick => true, :channels => 3, :bits => 8}, 'JPEG monotone RGB' => {:file => 'logo_rbpdf_mono_rgb.jpg', :type => 'JPEG', :mime => 'image/jpeg', :use_magick => true, :channels => 3, :bits => 8}, 'JPEG monotone Gray' => {:file => 'logo_rbpdf_mono_gray.jpg', :type => 'JPEG', :mime => 'image/jpeg', :use_magick => true, :channels => 0, :bits => 8}, } data(images) test "image getimagesize test" do |data| return if data[:use_magick] and !Object.const_defined?(:Magick) and !Object.const_defined?(:MiniMagick) pdf = RBPDF.new pdf.add_page img_file = File.join(File.dirname(__FILE__), data[:file]) info = pdf.getimagesize(img_file) assert_equal 240, info[0] # width assert_equal 89, info[1] # height assert_equal data[:type], info[2] # Image Type assert_equal 'height="89" width="240"', info[3] assert_equal data[:mime], info['mime'] assert_equal data[:channels], info['channels'] if data[:channels] # RGB assert_equal data[:bits], info['bits'] if data[:bits] # depth end images = { 'PNG alpha' => {:file => 'png_test_alpha.png', :cs => 'DeviceRGB'}, 'WebP alpha' => {:file => 'webp_test_alpha.webp', :cs => 'DeviceRGB'}, 'GIF' => {:file => 'logo_rbpdf_8bit.gif', :cs => 'Indexed'}, 'GIF alpha' => {:file => 'logo_rbpdf_8bit_alpha.gif', :cs => 'Indexed'}, } data(images) test "imageToPNG delete test" do |data| return unless Object.const_defined?(:Magick) or Object.const_defined?(:MiniMagick) pdf = RBPDF.new pdf.add_page img_file = File.join(File.dirname(__FILE__), data[:file]) tempfile = pdf.send(:imageToPNG, img_file) assert_not_equal false, tempfile info = pdf.send(:parsepng, tempfile.path) assert_not_equal 'pngalpha', info assert_equal 8, info['bpc'] assert_equal data[:cs], info['cs'] end images = { 'PNG alpha' => {:file => 'png_test_alpha.png', :cs => 'DeviceRGB'}, 'WebP alpha' => {:file => 'webp_test_alpha.webp', :cs => 'DeviceRGB'}, 'GIF alpha' => {:file => 'logo_rbpdf_8bit_alpha.gif', :cs => 'Indexed'}, } data(images) test "Magick::ImageList delete alpha channel test" do |data| return unless Object.const_defined?(:Magick) img_file = File.join(File.dirname(__FILE__), data[:file]) img = Magick::ImageList.new(img_file) img.format = 'PNG' unless File::extname(data[:file]) == '.png' # convert to PNG assert_equal true, img.alpha? # PNG alpha channel delete if Magick.const_defined?(:OffAlphaChannel) # RMagick 5.2.0 and later img.alpha Magick::OffAlphaChannel else # RMagick 5.1.0 and before for ImageMagick 6.x img.alpha Magick::DeactivateAlphaChannel end assert_equal false, img.alpha? tmpFile = Tempfile.new(['', '_' + File::basename(img_file) + '.png']) tmpFile.binmode tmpFile.print img.to_blob tmpFile.fsync img = Magick::ImageList.new(tmpFile.path) assert_equal false, img.alpha? f=open(tmpFile,'rb'); #Check signature assert_equal 137.chr + 'PNG' + 13.chr + 10.chr + 26.chr + 10.chr, f.read(8) f.read(4); assert_equal 'IHDR', f.read(4) f.read(4) # w f.read(4) # h f.read(1) # bpc case data[:cs] when 'DeviceRGB'; ct = 2 when 'Indexed'; ct = 3 end assert_equal ct, f.read(1).unpack('C')[0] # ct end images = { 'PNG alpha' => {:file => 'png_test_alpha.png', :cs => 'DeviceRGB'}, 'WebP alpha' => {:file => 'webp_test_alpha.webp', :cs => 'DeviceRGB'}, 'GIF alpha' => {:file => 'logo_rbpdf_8bit_alpha.gif', :cs => 'Indexed'}, } test "image_alpha_mask DeviceGray test" do |data| return unless Object.const_defined?(:Magick) or Object.const_defined?(:MiniMagick) pdf = RBPDF.new pdf.add_page img_file = File.join(File.dirname(__FILE__), data[:file]) tempfile = pdf.send(:image_alpha_mask, img_file) assert_not_equal false, tempfile info = pdf.send(:parsepng, tempfile.path) assert_not_equal 'pngalpha', info assert_equal 8, info['bpc'] assert_equal 'DeviceGray', info['cs'] # embed mask image test imgmask = pdf.image(tempfile.path, 10, 10, 100, '', 'PNG', '', '', false, 300, '', true, false) assert_equal 1, imgmask end images = { 'PNG alpha' => {:file => 'png_test_alpha.png', :info => true}, 'GIF alpha' => {:file => 'gif_test_alpha.gif', :info => true}, 'WebP alpha' => {:file => 'webp_test_alpha.webp', :info => true}, #'PNG alpha Error' => {:file => 'png_test_alpha.png', :info => false, :png_alpha_error => true}, # no use } data(images) test "ImagePngAlpha test" do |data| return unless Object.const_defined?(:Magick) or Object.const_defined?(:MiniMagick) pdf = RBPDF.new pdf.add_page img_file = File.join(File.dirname(__FILE__), data[:file]) #pdf.singleton_class.send(:define_method, :parsepng){|*args| {:cs => 'Indexed'}} if data[:png_alpha_error] # no use info = pdf.send(:ImagePngAlpha, img_file, 10, 10, 100, '', 'PNG', 'https://rubygems.org/gems/rbpdf') assert_equal "#{data[:file]} #{data[:info]}", "#{data[:file]} #{info}" end images = { 'PNG' => {:file => 'logo_rbpdf_8bit.png', :info => 1, :use_magick => false}, 'PNG alpha' => {:file => 'png_test_alpha.png', :info => true, :use_magick => true}, #'PNG alpha Error' => {:file => 'png_test_alpha.png', :info => 1, :use_magick => true, :png_alpha_error => true}, # no use 'WebP' => {:file => 'logo_rbpdf_8bit.webp', :info => 1, :use_magick => true}, 'WebP alpha' => {:file => 'webp_test_alpha.webp', :info => true, :use_magick => true}, 'GIF' => {:file => 'logo_rbpdf_8bit.gif', :info => 1, :use_magick => true}, 'GIF alpha' => {:file => 'logo_rbpdf_8bit_alpha.gif', :info => 1, :use_magick => true}, 'JPEG' => {:file => 'logo_rbpdf_8bit.jpg', :info => 1, :use_magick => true}, } data(images) test "Image test" do |data| return if data[:use_magick] and !Object.const_defined?(:Magick) and !Object.const_defined?(:MiniMagick) pdf = RBPDF.new pdf.add_page img_file = File.join(File.dirname(__FILE__), data[:file]) #pdf.singleton_class.send(:define_method, :parsepng){|*args| {:cs => 'Indexed'}} if data[:png_alpha_error] # no use info = pdf.image(img_file, 10, 10, 100, '', '', 'https://rubygems.org/gems/rbpdf', '', false, 300) assert_equal "#{data[:file]} #{data[:info]}", "#{data[:file]} #{info}" end test "HTML Image test" do return unless Object.const_defined?(:Magick) or Object.const_defined?(:MiniMagick) images = { 'png_test_alpha.png' => 40.11, 'png_test_msk_alpha.png' => 40.11, 'png_test_non_alpha.png' => 40.11, 'webp_test_alpha.webp' => 40.11, 'logo_rbpdf_8bit.png' => 36.58, 'logo_rbpdf_8bit.webp' => 36.58, 'logo_rbpdf_8bit.gif' => 36.58, 'logo_rbpdf_8bit_alpha.gif' => 36.58, 'logo_rbpdf_8bit.jpg' => 36.58, 'logo_rbpdf_mono_gray.jpg' => 36.58, 'logo_rbpdf_mono_gray.png' => 36.58, 'logo_rbpdf_mono_rgb.jpg' => 36.58, 'logo_rbpdf_mono_rgb.png' => 36.58, 'ng.png' => 9.42 } pdf = RBPDF.new images.each {|image, h| pdf.add_page img_file = File.join(File.dirname(__FILE__), image) htmlcontent = '' x_org = pdf.get_x y_org = pdf.get_y pdf.write_html(htmlcontent, true, 0, true, 0) x = pdf.get_x y = pdf.get_y assert_equal '[' + image + ']:' + x_org.to_s, '[' + image + ']:' + x.to_s assert_equal '[' + image + ']:' + (y_org + h).round(2).to_s, '[' + image + ']:' + y.round(2).to_s } end end