def draw_bitmap(self, *args):
painter = self.painter
if isinstance(args[0], int):
x, y, bitmap = args
rc = self.rc
dst_rc = Rect(x + rc.left(), y + rc.top(), bitmap.width(),
bitmap.height())
dst_rc = dst_rc.intersected(rc)
src_rc = Rect(dst_rc)
src_rc.translate(-rc.left() - x, -rc.top() - y)
src_rc = src_rc.intersected(bitmap.rect())
painter.drawImage(dst_rc.rc, bitmap.im, src_rc.rc)
else:
dst_rc, bitmap, src_rc = args
painter.drawImage(dst_rc.rc, bitmap.im, src_rc.rc)
