# File gtk2/sample/gtk-demo/cairo-clip.rb, line 15 def initialize super('cairo clip') end
# File gtk2/sample/gtk-demo/cairo-clip.rb, line 19 def draw(cr) cr.arc(0.5, 0.5, 0.3, 0, 2 * Math::PI) cr.clip cr.new_path cr.rectangle(0, 0, 1, 1) cr.fill cr.set_source_rgba(0, 1, 0) cr.move_to(0, 0) cr.line_to(1, 1) cr.move_to(1, 0) cr.line_to(0, 1) cr.stroke end