Graphics for gotgithub v0.9.

Rakefile

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+#!/usr/bin/ruby
+# -*- coding: UTF-8 -*-
+
+require 'fileutils'
+require 'rubygems'
+
+TARGET = "../images"
+RESIZE = 600
+
+if File.exist?('/Applications/Inkscape.app/Contents/Resources/bin/inkscape')
+  CMD_INKSCAPE='/Applications/Inkscape.app/Contents/Resources/bin/inkscape'
+else
+  CMD_INKSCAPE='inkscape'
+end
+CMD_IMGMAGICK='convert'
+
+desc "export images, default: rake convert[../images,600]"
+task :convert, :target, :width do |t, args|
+  args.with_defaults(:target => TARGET, :width => RESIZE)
+  FileList["**/*.svg", "**/*.xcf", "**/*.jpg", "**/*.png", "**/*.gif"].each do |t|
+    [".svg", ".png", ".gif", ".xcf"].each do |prefer|
+      if File.exists?(t.sub(/\.[^.]+$/, prefer))
+        t = t.sub(/\.[^.]+$/, prefer)
+        break
+      end
+    end
+    if t =~ /\.svg/
+      f = args[:target] + '/' + t.sub(/\.[^.]+$/, '.png')
+      command = "#{CMD_INKSCAPE} -w #{args[:width]} -f #{t} -e #{f}"
+    elsif t =~ /\.xcf/
+      f = args[:target] + '/' + t.sub(/\.[^.]+$/, '.png')
+      command = "#{CMD_IMGMAGICK} -auto-level -flatten -resize '#{args[:width]}>' #{t} #{f}"
+    elsif t =~ /\.(jpg|png|gif)/
+      f = args[:target] + '/' + t
+      command = "#{CMD_IMGMAGICK} -auto-level -resize '#{args[:width]}>' #{t} #{f}"
+    end
+
+    unless uptodate?(f, t)
+      Dir.mkdir(File.dirname(f)) unless File.exists?(File.dirname(f))
+      sh command
+      File.utime(0, Time.now, f)
+    end
+  end
+end
+
+task :default do
+  system "rake -T"
+end