gui.py 文件源码

def set_background(self, np_array, color = False):
        """Takes a (numpy) array and sets this as background."""
        if color:
            img = Image.fromarray(np.flipud(np.uint8(np_array)), mode="RGB")
        else:
            img = Image.fromarray(np_array)
        if self.background_image_id:
            self.world_canvas.delete(self.background_image_id)
        img = img.resize(self.extents, Image.NEAREST)
        self.background_image = ImageTk.PhotoImage(img)
        self.background_id = self.world_canvas.create_image(0, 0,
            image=self.background_image, anchor=NW, tag="background")
        # Make sure drawing order is correct.
        self.set_display_order()