cocos2d-x 屏幕截屏及保存

-- 把当前游戏屏幕保存到起来 格式为设置

CCSize size = CCDirector::sharedDirector()->getWinSize(); // 可设置大小
    CCRenderTexture* screen = CCRenderTexture::create(size.width, size.height);
    CCScene* scene= CCDirector::sharedDirector()->getRunningScene();
    screen->begin();
    scene->visit();
    screen->end(false);// lua 用screen:endToLua()
    if(screen->saveToFile("cocos2d-x-screen.png", kCCImageFormatPNG))  
    {
//        kCCImageFormatJPG       = 0, 保存格式为jpg
//        kCCImageFormatPNG       = 1, 保存格式为png
//        kCCImageFormatRawData   = 2  保存格式为data
        CCMessageBox("Print Screen OK!", "Hit");
    }
    CC_SAFE_DELETE(screen);