5 class WrongColor < Exception
10 "Wrong color at #{@pixel}"
13 class AreaError < Exception
14 def initialize(area,problem)
15 @area,@problem = area,problem
18 "Area at #{@area} #{@problem}"
21 class PixelError < Exception
22 def initialize(p1, relation,p2)
23 @p1,@p2,@relation = p1,p2,relation
26 "Pixel #{@p1} #{@relation} #{@p2}"
29 class ConversionFailed < Exception
30 def initialize(output,file)
33 @exists = File.exists?(file)
36 puts "-"*26+" Conversion failed "+"-"*27
37 (puts @output) if @output
38 puts "file #{@file} doesn't exist" if not @exists
44 def initialize(x1,y1,x2,y2,file)
45 @x1,@y1,@x2,@y2,@file = x1,y1,x2,y2,file
47 def should_be_plain_colored
48 @rgb = @file.get_area(@x1,@y1,@x2,@y2) unless @rgb
49 @rgb.min == @rgb.max or raise AreaError.new(self,"is not plain colored")
51 def should_not_be_plain_colored
52 @rgb = @file.get_area(@x1,@y1,@x2,@y2) unless @rgb
53 @rgb.min != @rgb.max or raise AreaError.new(self,"is plain colored")
55 def should_contain_text(text)
56 text2 = @file.get_text(@x1,@y1,@x2,@y2)
57 text2 == text or raise AreaError.new(self, "doesn't contain text \"#{text}\" (found: \"#{text2}\")")
59 def should_contain_link(url)
60 links = @file.get_links(@x1,@y1,@x2,@y2)
61 (links & [url]).empty? and raise AreaError.new(self, "doesn't contain url \"#{url}\"")
64 "(#{@x1},#{@y1},#{@x2},#{@y2})"
69 # ImageMagick rgb triples are 16 bit
70 (rgb.reverse+[0]).map {|c| c>>8}.pack("CCCC").unpack("i")[0]
75 def initialize(x,y,rgb)
78 def should_be_of_color(color2)
79 color1 = rgb_to_int(@rgb)
80 color1 == color2 or raise WrongColor.new(self)
82 def should_be_brighter_than(pixel)
83 gray1 = @rgb.inject(0) {|sum,e| sum+e}
84 gray2 = pixel.rgb.inject(0) {|sum,e| sum+e}
85 gray1 > gray2 or raise PixelError.new(self,"is not brighter than",pixel)
87 def should_be_darker_than(pixel)
88 gray1 = @rgb.inject(0) {|sum,e| sum+e}
89 gray2 = pixel.rgb.inject(0) {|sum,e| sum+e}
90 gray1 < gray2 or raise PixelError.new(self,"is not less bright than",pixel)
92 def should_be_the_same_as(pixel)
93 @rgb == pixel.rgb or raise PixelError.new(self,"is not the same as",pixel)
102 $tempfiles.each do |file|
108 def initialize(filename, page)
114 @swfname = @filename.gsub(/.pdf$/i,"")+".swf"
115 $tempfiles += [@swfname]
116 `pdfinfo #{@filename}` =~ /Page size:\s*([0-9]+) x ([0-9]+) pts/
118 dpi = (72.0 * 612 / width.to_i).to_i
119 output = `pdf2swf -f --flatten -s zoom=#{dpi} -p #{@page} #{@filename} -o #{@swfname} 2>&1`
120 #output = `pdf2swf -s zoom=#{dpi} --flatten -p #{@page} #{@filename} -o #{@swfname} 2>&1`
121 raise ConversionFailed.new(output,@swfname) unless File.exists?(@swfname)
126 @pngname = @filename.gsub(/.pdf$/i,"")+".png"
128 output = `swfrender #{@swfname} -o #{@pngname} 2>&1`
129 raise ConversionFailed.new(output,@pngname) unless File.exists?(@pngname)
130 @img = Magick::Image.read(@pngname).first
135 def get_text(x1,y1,x2,y2)
137 #puts "swfstrings -x #{x1} -y #{y1} -W #{x2-x1} -H #{y2-y1} #{@swfname}"
138 #puts `swfstrings -x #{x1} -y #{y1} -W #{x2-x1} -H #{y2-y1} #{@swfname}`
139 `swfstrings -x #{x1} -y #{y1} -W #{x2-x1} -H #{y2-y1} #{@swfname}`.chomp
141 def get_links(x1,y1,x2,y2)
143 t = `swfdump -a #{@swfname}`
144 links = t.scan(/GetUrl2? URL:"([^"]*)"/).inject([]) do |a,u| a + u end
145 t.scan(/name "url:([^"]*)"/).inject(links) do |a,u| a + u end
147 def get_area(x1,y1,x2,y2)
149 data = @img.export_pixels(x1, y1, x2-x1, y2-y1, "RGB")
150 Array.new(data.size/3) { |i| data.slice(i*3,3) }
152 def area_at(x1,y1,x2,y2)
153 return Area.new(x1,y1,x2,y2,self)
165 data = @img.export_pixels(x, y, 1, 1, "RGB")
166 return Pixel.new(x,y,data)
170 module Spec::Example::ExampleGroupMethods
171 alias :convert_file :example
174 class FileExampleGroup < Spec::Example::ExampleGroup
175 def area_at(x1,y1,x2,y2)
176 @file.area_at(x1,y1,x2,y2)
189 Spec::Example::ExampleGroupFactory.default(FileExampleGroup)
191 Spec::Runner.configure do |config|
193 input_file = File.join(File.dirname(__FILE__), description)
194 raise "Cannot find input file #{input_file}" unless File.exists?(input_file)
195 @file = DocFile.new(input_file, 1)