mirror of
https://github.com/wesnoth/wesnoth
synced 2024-09-20 07:51:33 +00:00
66 lines
2.0 KiB
Ruby
Executable File
66 lines
2.0 KiB
Ruby
Executable File
#!/usr/bin/ruby
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# Original script
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# Copyright (C) 2004 by Crossbow/Miyo <miyo@iki.fi>
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# Some features and Ruby-fication
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# Copyright (C) 2005 by Isaac Clerencia <isaac@warp.es>
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# Part of the Battle for Wesnoth Project http://www.wesnoth.org
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY.
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#
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# See the COPYING file for more details.
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#
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# Scipt to strip ICC profiles from all png images and to compress them
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# afterwards via optipng
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#
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# Requirements: ruby, imagemagick, optipng
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# HowToUse: start the script from the wesnoth maindir
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# 'svn ci' to commit the stuff
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# enter a commit message
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# enjoy ICC-profile clean and size-optimised png images
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#
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require 'md5'
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def sha1sum(file)
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MD5.new(open(file).read).hexdigest
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end
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checkOld = true
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totalSavedBytes = 0
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totalSavedFiles = 0
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files = (`find -iname "*.png"`).split("\n")
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files.each { | file|
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file = file[2,file.length]
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puts "\n* processing #{file}\n"
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# old = "/home/isaac/devel/wesnoth/last/#{file}";
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# if checkOld and File.exists?(old) and sha1sum(file) == sha1sum(old)
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# puts " * no change since last release\n";
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# next;
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# end
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output = `nice -n 19 convert -strip "#{file}" "#{file}.stripped.png"`;
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# output = `nice -n 19 pngcrush -brute -q "#{file}.stripped.png" "#{file}.new.png"`;
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output = `nice -n 19 optipng -q -o5 -nb -nc -np "#{file}.stripped.png" -out "#{file}.new.png"`;
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output = `rm "#{file}.stripped.png"`
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File.exists?("#{file}.new.png") or next;
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oldSize = File.size(file)
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newSize = File.size("#{file}.new.png")
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if newSize < oldSize
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savedBytes = oldSize - newSize;
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totalSavedBytes = totalSavedBytes + savedBytes
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totalSavedFiles = totalSavedFiles.succ
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output = `mv "#{file}.new.png" -v "#{file}"`
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puts ",\nsaved: #{savedBytes} bytes, total saved: #{totalSavedBytes/1024} KB"
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else
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File.unlink("#{file}.new.png");
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end
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}
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puts "\ntotal saved: #{totalSavedBytes/1024} KB, #{totalSavedFiles} files\n";
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