begin()

bool fl::JpegDecoder::Impl::begin ( fl::filebuf_ptr stream )

inline

Definition at line 71 of file jpeg.cpp.hpp.

                                                  {
        if (!mDriver) {
            setError("Driver not initialized");
            return false;
        }
 
        mState = JpegDecoder::State::NotStarted;
        mHasError = false;
        mErrorMessage.clear();
        mProgress = 0.0f;
 
        // Configure progressive settings
        fl::third_party::TJpgProgressiveConfig mDriverconfig;
        mDriverconfig.max_mcus_per_tick = progressive_mConfig.max_mcus_per_tick;
        mDriverconfig.max_time_per_tick_ms = progressive_mConfig.max_time_per_tick_ms;
        mDriver->setProgressiveConfig(mDriverconfig);
 
        // Set scale based on quality setting
        mDriver->setScale(getScale());
 
        if (!mDriver->beginDecodingStream(stream, mConfig.format)) {
            fl::string err;
            if (mDriver->hasError(&err)) {
                setError(err);
            } else {
                setError("Failed to begin JPEG decoding");
            }
            return false;
        }
 
        mState = JpegDecoder::State::HeaderParsed;
        return true;
    }

References begin(), fl::FL_NO_EXCEPT, getScale(), fl::third_party::TJpgProgressiveConfig::max_mcus_per_tick, fl::third_party::TJpgProgressiveConfig::max_time_per_tick_ms, mConfig, mDriver, mErrorMessage, mHasError, mProgress, mState, fl::JpegDecoder::NotStarted, progressive_mConfig, and setError().

Referenced by begin().

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