Notice how in this function a rectangle of chunkSize by chunkSize pixels is copied from the appropriate frame to the drawable surface.

注意：在此函数中，长为chunkSize、宽为 chunkSize的像素矩形是如何从恰当的帧复制到绘图表面的。

youdao

Notice how in this function a rectangle of chunkSize by chunkSize pixels is copied from the appropriate frame to the drawable surface.

注意：在此函数中，长为chunkSize、宽为 chunkSize的像素矩形是如何从恰当的帧复制到绘图表面的。

youdao