# Copyright (c) 2005 Ruby-GNOME2 Project Team # This program is licenced under the same licence as Ruby-GNOME2. # # $Id: cairo-dash.rb,v 1.1 2005/10/12 05:38:30 ktou Exp $ =begin = cairo/Dash This demo shows how to use GDK and cairo to show dash. From http://cairographics.org/samples/xxx_dash.html. =end require 'common' module Demo class CairoDash < CairoWindow def initialize super('cairo dash') end def draw(cr) dashes = [ 0.20, # in 0.05, # skip 0.05, # ink 0.05, # skip ] offset = -0.2 cr.set_dash(dashes, offset) 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.stroke end end end