本文仅作简单示意,表达不清处,请谅解!
Canvas基本使用:
Canvas.drawPath(Path, Paint);
Canvas.drawBitmap(Bitmap, 0, 0, Paint);
=> Canvas.draw??(??,Paint); //canvas使用所需三要素:Canvas,??,Paint。意即Canvas用Paint将??画在当前View上。
Canvas扩展:
Canvas.setBitmap(Bitmap); //将 Canvas.draw??画的内容,保存为一个Bitmap