Cocos2dx 截屏

void SaveScreenshot()
{
    CCSize size = CCDirector::sharedDirector()->getWinSize();
    CCRenderTexture* texture = CCRenderTexture::create((int)size.width, (int)size.height);
    texture->setPosition(ccp(size.width/2, size.height/2));
    texture->begin();
    CCDirector::sharedDirector()->getRunningScene()->visit();
    texture->end();
    texture->saveToFile("screenshot.png", kCCImageFormatPNG);
}