1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
# Copyright (c) 2005 Ruby-GNOME2 Project Team
# This program is licenced under the same licence as Ruby-GNOME2.
#
# $Id: cairo-fill-and-stroke.rb,v 1.1 2005/10/12 05:38:30 ktou Exp $
=begin
= cairo/Fill And Stroke
This demo shows how to use GDK and cairo to fill and stroke.
From http://cairographics.org/samples/fill_and_stroke.html.
=end
require 'common'
module Demo
class CairoFillAndStroke < CairoWindow
def initialize
super('cairo fill and stroke')
end
def draw(cr)
cr.move_to(0.5, 0.1)
cr.line_to(0.9, 0.9)
cr.rel_line_to(-0.4, 0.0)
cr.curve_to(0.2, 0.9, 0.2, 0.5, 0.5, 0.5)
cr.close_path
cr.set_source_rgba(0, 0, 1)
cr.fill_preserve
cr.set_source_rgba(0, 0, 0)
cr.stroke
end
end
end
|
