cocos2dx-截取屏幕一部分

来源：互联网发布：数据透视图显示百分比编辑：程序博客网时间：2024/05/23 10:24

    Image::Format format=Image::Format::PNG;    auto origin=Director::getInstance()->getVisibleOrigin();    auto visibleSize=Director::getInstance()->getVisibleSize();    RenderTexture *renderTexture = RenderTexture::create(visibleSize.width*0.5, visibleSize.height*0.5, Texture2D::PixelFormat::RGBA8888);    Rect fullRect=Rect(origin.x, origin.y, visibleSize.width*0.5, visibleSize.height*0.5);    Rect virtualViewPort=Rect(visibleSize.width*0.25, visibleSize.height*0.25, visibleSize.width*0.5, visibleSize.height*0.5);    //抓取屏幕部分内容保存为纹理。 rtBegin: renderTexture在整个屏幕上的起始位置。 fullRect: 整个屏幕的大小 fullViewport: 整个viewport的大小。    renderTexture->setVirtualViewport(Point(visibleSize.width*0.25, visibleSize.height*0.25),fullRect,virtualViewPort);    renderTexture->beginWithClear(0.0f, 0.0f, 0.0f, 0.0f);    Director::getInstance()->getRunningScene()->visit();    renderTexture->end();    renderTexture->saveToFile("happy.png",format);

0 0