获取 离屏 Canvas 上的图像数据,并绘制到可见的 Canvas 上,假设离屏 Canvas 已经创建且对象名为 offscreenCanvas ,下面正确的调用语句是哪项?
A.
context.drawImage(Canvas, 0, 0);
B.
context.drawImage(offscreenCanvas, 0, 0);
C.
offscreenCanvas.drawImage(canvas, 0, 0);
D.
canvas.drawImage(offscreenCanvas ,0, 0);