OverlayView.java 文件源码

protected void drawDimmedLayer(@NonNull Canvas canvas) {
    canvas.save();
    if (this.mOvalDimmedLayer) {
        canvas.clipPath(this.mCircularPath, Op.DIFFERENCE);
    } else {
        canvas.clipRect(this.mCropViewRect, Op.DIFFERENCE);
    }
    canvas.drawColor(this.mDimmedColor);
    canvas.restore();
    if (this.mOvalDimmedLayer) {
        canvas.drawOval(this.mCropViewRect, this.mDimmedStrokePaint);
    }
}