cocos2dx 3.4 截图代码

    Size size = Director::sharedDirector()->getWinSize();
    //定义一个屏幕大小的渲染纹理
    RenderTexture* pScreen = RenderTexture::create(size.width,size.height, kCCTexture2DPixelFormat_RGBA8888);
    log("-------log1---");
    //获得当前的场景指针
    Scene* pCurScene = Director::sharedDirector()->getRunningScene();
    //渲染纹理开始捕捉
    pScreen->begin();
    //当前场景参与绘制
    pCurScene->visit();
    //结束捕捉
    pScreen->end();
    //保存为jpg
    pScreen->saveToFile("test.jpg", kCCImageFormatJPEG);  

    string path=FileUtils::getInstance()->getWritablePath();
    log("---------path=%s",path.c_str());