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#!/usr/bin/env ruby
=begin
rgtk+cairo.rb - Ruby/GTK2 using Ruby/Cairo sample script.
Copyright (c) 2002-2006 Ruby-GNOME2 Project Team
This program is licenced under the same licence as Ruby-GNOME2.
Heavily inspired from png.rb example of rcairo.
$Id: rgtk+cairo.rb,v 1.3 2006/06/17 13:18:12 mutoh Exp $
=end
require 'gtk2'
require 'cairo'
w = Gtk::Window.new.add(vb = Gtk::VBox.new)
vb.add(da = Gtk::DrawingArea.new)
da.set_size_request(200, 200)
da.signal_connect('expose-event') { |widget, event|
cr = widget.window.create_cairo_context
# fill background with white
cr.set_source_rgba(1.0, 1.0, 1.0)
cr.paint
# create shape
cr.move_to(50, 50)
cr.curve_to(100, 25, 100, 75, 150, 50)
cr.line_to(150, 150)
cr.line_to(50, 150)
cr.close_path
cr.set_source_rgb(0.0, 0.0, 0.0)
cr.fill_preserve
cr.set_source_rgb(1.0, 0.0, 0.0)
cr.set_line_join(Cairo::LINE_JOIN_MITER)
cr.set_line_width(4)
cr.stroke
}
w.signal_connect("destroy"){Gtk.main_quit}
w.show_all
Gtk.main
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