Method initWithImageFileThreadSafe

CrossApp/images/CAImage.cpp:1324–1382

}

bool CAImage::initWithImageFileThreadSafe(const std::string& fullPath)
{
    unsigned long pSize = 0;
    unsigned char* data = CCFileUtils::sharedFileUtils()->getFileData(fullPath.c_str(), "rb", &pSize);
    bool ret = false;
    
    do
    {
        CC_BREAK_IF(! data || pSize <= 0);
        
        unsigned char* unpackedData = NULL;
        unsigned long unpackedLen = 0;
        
        unpackedData = const_cast<unsigned char*>(data);
        unpackedLen = pSize;
        
        Format type = this->detectFormat(unpackedData, unpackedLen);
        
        switch (type)
        {
            case JPG:
                ret = this->initWithJpgData(unpackedData, unpackedLen);
                break;
            case PNG:
                ret = this->initWithPngData(unpackedData, unpackedLen);
                break;
            case GIF:
                ret = this->initWithGifData(unpackedData, unpackedLen);
                break;
            case TIFF:
                ret = this->initWithTiffData(unpackedData, unpackedLen);
                break;
            case WEBP:
                ret = this->initWithWebpData(unpackedData, unpackedLen);
                break;
            case ETC:
                ret = this->initWithETCData(unpackedData, unpackedLen);
                break;
            default:
            {
                ret = false;
                break;
            }
        }
        
        if (ret)
        {
            this->convertToRawData();
        }
        
        if(unpackedData != data)
        {
            free(unpackedData);
        }
        
    } while (0);
    
    return ret;