45 lines
952 B
Ruby
45 lines
952 B
Ruby
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#!/usr/bin/env ruby
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=begin
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utils.rb - Ruby/GdkPixbuf sample script.
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Copyright (c) 2002-2006 Ruby-GNOME2 Project Team
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This program is licenced under the same licence as Ruby-GNOME2.
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$Id: utils.rb,v 1.4 2006/06/17 14:38:08 mutoh Exp $
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=end
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require 'gtk2'
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filename = ARGV[0]
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unless filename
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puts "ruby #{$0} filename"
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exit(1)
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end
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src = Gdk::Pixbuf.new(filename)
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vbox = Gtk::VBox.new
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dst = src.add_alpha(true, 0, 0, 0)
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vbox.pack_start(Gtk::Image.new(dst))
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dst = Gdk::Pixbuf.new(Gdk::Pixbuf::COLORSPACE_RGB, true, 8,
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src.width + 20, src.height + 30)
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src.copy_area(0, 0, src.width / 2, src.height / 2, dst, 10, 20)
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vbox.pack_start(Gtk::Image.new(dst))
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dst = src.saturate_and_pixelate(0.3, true)
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vbox.pack_start(Gtk::Image.new(dst))
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dst = src.fill!(0xff000099) #RGBA
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vbox.pack_start(Gtk::Image.new(dst))
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w = Gtk::Window.new.add(vbox)
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w.signal_connect('delete-event') do
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Gtk.main_quit
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end
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w.show_all
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Gtk.main
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