File: cairo-line-join.rb

package info (click to toggle)
ruby-gnome2 0.15.0-1.1
  • links: PTS
  • area: main
  • in suites: etch-m68k
  • size: 7,692 kB
  • ctags: 8,558
  • sloc: ansic: 69,912; ruby: 19,511; makefile: 97; xml: 35; sql: 13
file content (41 lines) | stat: -rw-r--r-- 1,008 bytes parent folder | download | duplicates (11)
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
33
34
35
36
37
38
39
40
41
# Copyright (c) 2005 Ruby-GNOME2 Project Team
# This program is licenced under the same licence as Ruby-GNOME2.
#
# $Id: cairo-line-join.rb,v 1.1 2005/10/12 05:38:30 ktou Exp $
=begin
= cairo/Line Join

This demo shows how to use GDK and cairo to set line join.
From http://cairographics.org/samples/set_line_join.html.
=end
require 'common'

module Demo
  class CairoLineJoin < CairoWindow
    def initialize
      super('cairo line join')
    end

    def draw(cr)
      cr.set_line_width(0.16)
      
      cr.move_to(0.3, 0.33)
      cr.rel_line_to(0.2, -0.2)
      cr.rel_line_to(0.2, 0.2)
      cr.set_line_join(Cairo::LINE_JOIN_MITER) # default
      cr.stroke
      
      cr.move_to(0.3, 0.63)
      cr.rel_line_to(0.2, -0.2)
      cr.rel_line_to(0.2, 0.2)
      cr.set_line_join(Cairo::LINE_JOIN_BEVEL)
      cr.stroke
      
      cr.move_to(0.3, 0.93)
      cr.rel_line_to(0.2, -0.2)
      cr.rel_line_to(0.2, 0.2)
      cr.set_line_join(Cairo::LINE_JOIN_ROUND)
      cr.stroke
    end
  end
end