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Features/GTK3/Porting (view source)
Revision as of 10:13, 14 November 2011
, 10:13, 14 November 2011→Going from Drawable to Cairo
# To invalidate a region to force a refresh, use:
# To invalidate a region to force a refresh, use:
self.canvas.queue_draw_area(x, y, w, h)
self.canvas.queue_draw_area(x, y, w, h)
# Handle the expose-event by drawing
def do_expose_event(self, event):
# Create the cairo context
cairo_context = self.canvas.get_window().cairo_create(
cairo_context.rectangle(event.area.x, event.area.y,
event.area.width, event.area.height)
cairo_context.clip()
cairo_context.set_source_surface(xlib_surface)
cairo_context.paint()
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