# File lib/rabbit/image/dia.rb, line 18 def match?(filename) return true if File.extname(filename).downcase.end_with?(".dia") File.open(filename) do |f| first_line = f.gets second_line = f.gets return false unless second_line return false unless first_line.start_with?("<?xml") return false unless second_line.start_with?("<dia:diagram") true end end
# File lib/rabbit/image/dia.rb, line 38 def initialize(filename, keep_ratio) init_svg_loader(filename, keep_ratio) super end
# File lib/rabbit/image/dia.rb, line 44 def init_svg_loader(filename, keep_ratio) @svg_file = Tempfile.new(["rabbit-loader-dia", ".svg"]) args = ["--export=#{@svg_file.path}"] args << "--filter=svg" args << filename if DIA_COMMANDS.any? {|dia| run(dia, *args)} @svg_loader = SVG.new(@svg_file.path, keep_ratio) else raise DiaCanNotHandleError.new("dia #{args.join(' ')}", DIA_COMMANDS) end end
# File lib/rabbit/image/dia.rb, line 57 def load_image # do nothing end