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Contents
require "forwardable"
require "rabbit/utils"
require "rabbit/image/base"
module Rabbit
module ImageManipulable
class Dia < Base
unshift_loader(self)
DIA_COMMANDS = %w(dia)
extend Forwardable
include SystemRunner
class << self
def match?(filename)
File.open(filename) do |f|
if /^<\?xml/ =~ f.gets and
/http:\/\/www\.lysator\.liu\.se\/~alla\/dia\// =~ f.gets
true
else
false
end
end
rescue ArgumentError
false
end
end
def_delegators(:@eps_loader, :keep_ratio, :keep_ratio=)
def_delegators(:@eps_loader, :pixbuf, :internal_pixbuf)
def_delegators(:@eps_loader, :width, :height)
def_delegators(:@eps_loader, :original_width, :original_height)
def_delegators(:@eps_loader, :resize, :ensure_resize)
def_delegators(:@eps_loader, :update_size)
def initialize(filename, keep_ratio)
init_eps_loader(filename, keep_ratio)
super
end
private
def init_eps_loader(filename, keep_ratio)
@eps_file = Tempfile.new("rabbit-loader-dia")
args = ["--export=#{@eps_file.path}"]
args << "--filter=eps"
args << filename
if DIA_COMMANDS.any? {|dia| run(dia, *args)}
@eps_loader = EPS.new(@eps_file.path, keep_ratio)
else
raise DiaCanNotHandleError.new("dia #{args.join(' ')}",
DIA_COMMANDS)
end
end
def load_image
# do nothing
end
end
end
end
Version data entries
20 entries across 20 versions & 1 rubygems