46 lines
1017 B
Ruby
46 lines
1017 B
Ruby
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#!/usr/bin/env ruby
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=begin
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scale.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: scale.rb,v 1.10 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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vbox = Gtk::VBox.new
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src = Gdk::Pixbuf.new(filename)
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vbox.add(Gtk::Image.new(src))
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dst = src.scale(200, 200, Gdk::Pixbuf::INTERP_NEAREST)
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dst.scale!(src, 60, 60, 90, 90, -50, 50, 6, 3)
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vbox.add(Gtk::Image.new(dst))
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dst2 = Gdk::Pixbuf.new(Gdk::Pixbuf::COLORSPACE_RGB, true, 8, 200, 200)
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dst2.scale!(src, 0, 0, 100, 100, 0, 0, 1.5, 1.5)
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vbox.add(Gtk::Image.new(dst2))
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dst3 = Gdk::Pixbuf.new(Gdk::Pixbuf::COLORSPACE_RGB, true, 8, 200, 200)
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dst3.scale!(src, 0, 0, 200, 200, 0, 0, 5, 3, Gdk::Pixbuf::INTERP_HYPER)
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vbox.add(Gtk::Image.new(dst3))
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window = Gtk::Window.new
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window.signal_connect('delete-event') do
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Gtk.main_quit
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end
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window.add(vbox).show_all
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Gtk.main
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