processChunk()

bool fl::JpegDecoder::Impl::processChunk ( )

inline

Definition at line 159 of file jpeg.cpp.hpp.

                        {
        if (mState == JpegDecoder::State::Error || mState == JpegDecoder::State::Complete) {
            return false;
        }
 
        if (mState == JpegDecoder::State::NotStarted || mState == JpegDecoder::State::HeaderParsed) {
            mState = JpegDecoder::State::Decoding;
        }
 
        if (!mDriver) {
            setError("Driver not available");
            return false;
        }
 
        bool more_work = mDriver->processChunk();
 
        auto mDriverstate = mDriver->getState();
        switch (mDriverstate) {
            case fl::third_party::TJpgInstanceDecoder::State::NotStarted:
            case fl::third_party::TJpgInstanceDecoder::State::HeaderParsed:
            case fl::third_party::TJpgInstanceDecoder::State::Decoding:
                mProgress = mDriver->getProgress();
                break;
            case fl::third_party::TJpgInstanceDecoder::State::Complete:
                mState = JpegDecoder::State::Complete;
                mProgress = 1.0f;
                return false;
            case fl::third_party::TJpgInstanceDecoder::State::Error: {
                fl::string err;
                if (mDriver->hasError(&err)) {
                    setError(err);
                } else {
                    setError("JPEG decoding failed");
                }
                return false;
            }
        }
 
        return more_work;
    }

References fl::JpegDecoder::Complete, fl::third_party::TJpgInstanceDecoder::Complete, fl::JpegDecoder::Decoding, fl::third_party::TJpgInstanceDecoder::Decoding, fl::JpegDecoder::Error, fl::third_party::TJpgInstanceDecoder::Error, fl::JpegDecoder::HeaderParsed, fl::third_party::TJpgInstanceDecoder::HeaderParsed, mDriver, mProgress, mState, fl::JpegDecoder::NotStarted, fl::third_party::TJpgInstanceDecoder::NotStarted, and setError().

Referenced by decode().

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