__init__.py 文件源码

def snapshot(self):
        "Capture the canvas as an Image instance"
        srf = pygame.Surface(self.size, pygame.SRCALPHA)

        # Draw background
        if isinstance(self._bg, Image):
            self._bg.config(size=self._size)
            srf.blit(self._bg.image, (0,0))
        elif self._bg: srf.fill(self._bg)

        # Draw objects
        for g in self:
            if g.snapshot is not None:
                xy = g.blitPosition((0,0), g.size)
                srf.blit(g.snapshot().image, xy)
            else: g.draw(srf, snapshot=True)

        # Draw border
        if self.weight: drawBorder(srf, self.border, self.weight)
        return Image(srf)