Method bake

src/OpenColorIO/fileformats/FileFormat3DL.cpp:497–584

}

void LocalFileFormat::bake(const Baker & baker,
                           const std::string & formatName,
                           std::ostream & ostream) const
{
    int DEFAULT_CUBE_SIZE = 0;
    int SHAPER_BIT_DEPTH = 10;
    int CUBE_BIT_DEPTH = 12;


    // NOTE: This code is very old, Lustre and Flame have long been able
    //       to support much larger cube sizes.  Furthermore there is no
    //       need to use the legacy 3dl format since CLF/CTF is supported.
    if(formatName == "lustre")
    {
        DEFAULT_CUBE_SIZE = 33;
    }
    else if(formatName == "flame")
    {
        DEFAULT_CUBE_SIZE = 17;
    }
    else
    {
        std::ostringstream os;
        os << "Unknown 3dl format name, '";
        os << formatName << "'.";
        throw Exception(os.str().c_str());
    }

    ConstConfigRcPtr config = baker.getConfig();

    int cubeSize = baker.getCubeSize();
    if(cubeSize==-1) cubeSize = DEFAULT_CUBE_SIZE;
    cubeSize = std::max(2, cubeSize); // smallest cube is 2x2x2

    int shaperSize = baker.getShaperSize();
    if(shaperSize==-1) shaperSize = cubeSize;

    std::vector<float> cubeData;
    cubeData.resize(cubeSize*cubeSize*cubeSize*3);
    GenerateIdentityLut3D(&cubeData[0], cubeSize, 3, LUT3DORDER_FAST_BLUE);
    PackedImageDesc cubeImg(&cubeData[0], cubeSize*cubeSize*cubeSize, 1, 3);
    ConstCPUProcessorRcPtr inputToTarget = GetInputToTargetProcessor(baker);
    inputToTarget->apply(cubeImg);

    // Write out the file.
    // For for maximum compatibility with other apps, we will
    // not utilize the shaper or output any metadata.

    if(formatName == "lustre")
    {
        int meshInputBitDepth = CubeDimensionLenToLustreBitDepth(cubeSize);
        ostream << "3DMESH\n";
        ostream << "Mesh " << meshInputBitDepth << " " << CUBE_BIT_DEPTH << "\n";
    }

    std::vector<float> shaperData(shaperSize);
    GenerateIdentityLut1D(&shaperData[0], shaperSize, 1);