Method onSaveToFile

core/2d/RenderTexture.cpp:488–525

}

void RenderTexture::onSaveToFile(std::string filename, bool isRGBA, bool forceNonPMA)
{
    auto callbackFunc = [this, _filename = std::move(filename), isRGBA, forceNonPMA](RefPtr<Image> image) {
        if (image)
        {
            if (forceNonPMA && image->hasPremultipliedAlpha())
            {
                _director->getJobSystem()->enqueue([self = RefPtr(this), image, _filename, isRGBA, forceNonPMA]() {
                    image->reversePremultipliedAlpha();

                    Director::getInstance()->getScheduler()->runOnAxmolThread([self, image, _filename, isRGBA] {
                        image->saveToFile(_filename, !isRGBA);
                        if (self->_saveFileCallback)
                        {
                            self->_saveFileCallback(self, _filename);
                        }
                    });
                });
            }
            else
            {
                image->saveToFile(_filename, !isRGBA);
                if (_saveFileCallback)
                {
                    _saveFileCallback(this, _filename);
                }
            }
        }
        else
        {
            if (_saveFileCallback)
            {
                _saveFileCallback(this, _filename);
            }
        }
    };
    newImage(callbackFunc);
}

/* get buffer as Image */
void RenderTexture::newImage(std::function<void(RefPtr<Image>)> imageCallback, bool eglCacheHint)