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kgmyshin/android_res.rb

Created December 17, 2014 06:09
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android_res.rb
require 'RMagick'
raise "wtf. you should input target image." if ARGV.length == 0
original = Magick::Image.read(ARGV[0]).first
original_name = ARGV[0].split("/")[ARGV[0].split("/").length - 1]
Dir.mkdir("res") unless Dir.exist?("res")
Dir.mkdir("res/mdpi") unless Dir.exist?("res/mdpi")
Dir.mkdir("res/hdpi") unless Dir.exist?("res/hdpi")
Dir.mkdir("res/xhdpi") unless Dir.exist?("res/xhdpi")
Dir.mkdir("res/xxhdpi") unless Dir.exist?("res/xxhdpi")
# mdpi
mdpi = original.resize(1.0/3.0)
mdpi.write("res/mdpi/" + original_name)
# hdpi
hdpi = original.resize(1.0/2.0)
hdpi.write("res/hdpi/" + original_name)
# xhdpi
xhdpi = original.resize(2.0/3.0)
xhdpi.write("res/xhdpi/" + original_name)
# xxhdpi
xxhdpi = original.resize(1.0)
xxhdpi.write("res/xxhdpi/" + original_name)
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