This example requires SimpleGladeApp.py, don't forget to download it.
#!/usr/bin/env python # -*- coding UTF-8 -*- from SimpleGladeApp import SimpleGladeApp import gtk import cairo import cairo.gtk class CubeGladeApp(SimpleGladeApp): def new(self): self.elapsed = 15 self.count = 0 self.on_timeout() def on_timeout(self): gtk.timeout_add(self.elapsed, self.on_timeout) self.count += 0.01 if self.count > 1: self.count = 0 self.window1.queue_draw() def on_expose_event(self, area, event): self.ctx = cairo.Context() cairo.gtk.set_target_drawable(self.ctx, self.drawingarea1.window) width, height = self.drawingarea1.window.get_size() self.ctx.scale(width/100.0, height/100.0) self.ctx.set_rgb_color(0, 0, 0) self.ctx.rectangle(0, 0, 100, 100) self.ctx.fill() self.draw_rectangle1() self.draw_rectangle4() self.draw_rectangle2() self.draw_rectangle3() def draw_rectangle1(self): self.ctx.set_line_width(0.3) self.ctx.set_rgb_color(1, 1, 1) self.ctx.rectangle(27, 27, 30, 30) self.ctx.save() self.ctx.set_alpha(self.count) self.ctx.set_rgb_color(0.4, 0.7, 0.9) self.ctx.fill() self.ctx.restore() self.ctx.stroke() def draw_rectangle2(self): self.ctx.rectangle(39, 39, 30, 30) self.ctx.save() self.ctx.set_alpha(float(self.count)) self.ctx.set_rgb_color(0.3, 0.1, 0.2) self.ctx.fill() self.ctx.restore() self.ctx.stroke() def draw_rectangle3(self): self.ctx.set_line_width(0.2) self.ctx.move_to(27, 27) self.ctx.rel_line_to(30, 0) self.ctx.rel_line_to(12, 12) self.ctx.rel_line_to(-30, 0) self.ctx.close_path() self.ctx.save() self.ctx.set_alpha(self.count) self.ctx.set_rgb_color(0.8, 0.4, 0.5) self.ctx.fill() self.ctx.restore() self.ctx.stroke() def draw_rectangle4(self): self.ctx.move_to(27, 57) self.ctx.rel_line_to(30, 0) self.ctx.rel_line_to(12, 12) self.ctx.rel_line_to(-30, 0) self.ctx.close_path() self.ctx.save() self.ctx.set_alpha(self.count) self.ctx.set_rgb_color(0.2, 0.4, 0.2) self.ctx.fill() self.ctx.restore() self.ctx.stroke() app = CubeGladeApp('CubeGladeApp.glade') app.run()