Method bake

src/OpenColorIO/fileformats/FileFormatSpi3D.cpp:267–311

}

void LocalFileFormat::bake(const Baker & baker,
                           const std::string & formatName,
                           std::ostream & ostream) const
{

    static const int DEFAULT_CUBE_SIZE = 32;

    if(formatName != "spi3d")
    {
        std::ostringstream os;
        os << "Unknown spi 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

    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);

    ostream << "SPILUT 1.0\n";
    ostream << "3 3\n";
    ostream << cubeSize << " " << cubeSize << " " << cubeSize << "\n";

    // Set to a fixed 6 decimal precision
    ostream.setf(std::ios::fixed, std::ios::floatfield);
    ostream.precision(6);
    for(int i=0; i<cubeSize*cubeSize*cubeSize; ++i)
    {
        ostream << ((i / cubeSize) / cubeSize) % cubeSize << " "
                << (i / cubeSize) % cubeSize << " "
                << i % cubeSize << " "
                << cubeData[3*i+0] << " "
                << cubeData[3*i+1] << " "
                << cubeData[3*i+2] << "\n";
    }
}

void LocalFileFormat::buildFileOps(OpRcPtrVec & ops,
                                    const Config & /*config*/,