File: save.rb

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#!/usr/bin/env ruby
=begin
  save.rb - Ruby/GdkPixbuf sample script.

  Copyright (c) 2002-2006 Ruby-GNOME2 Project Team
  This program is licenced under the same licence as Ruby-GNOME2.

  $Id: save.rb,v 1.5 2006/06/17 14:38:08 mutoh Exp $
=end

require 'gdk_pixbuf2'

from = ARGV[0]
to = ARGV[1]
if ! from or ! to
  puts "ruby #{$0} from_file to_file"
  exit(1)
end

src =  Gdk::Pixbuf.new(from)

dst = src.scale(300, 300, Gdk::Pixbuf::INTERP_HYPER)
# This doesn't work ....
#dst.save(to, "jpeg", {:quality => 100})
dst.save(to, "png")