DrawingPreviewPlacerView.java 文件源码

@Override
public void onDraw(final Canvas canvas) {
    super.onDraw(canvas);
    final int originX = CoordinateUtils.x(mKeyboardViewOrigin);
    final int originY = CoordinateUtils.y(mKeyboardViewOrigin);
    canvas.translate(originX, originY);
    canvas.translate(-originX, -originY);
}