C++ ConstConfigRcPtr::getColorSpaceNameByIndex方法代码示例

void OCIOColorSpace::_validate(bool for_real)
{
    if(!m_hasColorSpaces)
    {
        error("No color spaces available for input and/or output.");
        return;
    }

    int inputColorSpaceCount = static_cast<int>(m_inputColorSpaceCstrNames.size()) - 1;
    if(m_inputColorSpaceIndex < 0 || m_inputColorSpaceIndex >= inputColorSpaceCount)
    {
        std::ostringstream err;
        err << "Input color space index (" << m_inputColorSpaceIndex << ") out of range.";
        error(err.str().c_str());
        return;
    }

    int outputColorSpaceCount = static_cast<int>(m_outputColorSpaceCstrNames.size()) - 1;
    if(m_outputColorSpaceIndex < 0 || m_outputColorSpaceIndex >= outputColorSpaceCount)
    {
        std::ostringstream err;
        err << "Output color space index (" << m_outputColorSpaceIndex << ") out of range.";
        error(err.str().c_str());
        return;
    }

    try
    {
        OCIO::ConstConfigRcPtr config = OCIO::GetCurrentConfig();
        
        const char * inputName = config->getColorSpaceNameByIndex(m_inputColorSpaceIndex);
        const char * outputName = config->getColorSpaceNameByIndex(m_outputColorSpaceIndex);
        
        OCIO::ConstContextRcPtr context = getLocalContext();
        m_processor = config->getProcessor(context, inputName, outputName);
    }
    catch(OCIO::Exception &e)
    {
        error(e.what());
        return;
    }
    
    if(m_processor->isNoOp())
    {
        set_out_channels(DD::Image::Mask_None); // prevents engine() from being called
    } else {    
        set_out_channels(DD::Image::Mask_All);
    }

    DD::Image::PixelIop::_validate(for_real);
}

static void PopulateOCIOMenus()
{
    OCIO::ConstConfigRcPtr config = OCIO::GetCurrentConfig();


    int csMenuID = glutCreateMenu(imageColorSpace_CB);
    for(int i=0; i<config->getNumColorSpaces(); ++i)
    {
        glutAddMenuEntry(config->getColorSpaceNameByIndex(i), i);
    }

    int deviceMenuID = glutCreateMenu(displayDevice_CB);
    for(int i=0; i<config->getNumDisplays(); ++i)
    {
        glutAddMenuEntry(config->getDisplay(i), i);
    }

    int transformMenuID = glutCreateMenu(transform_CB);
    const char * defaultDisplay = config->getDefaultDisplay();
    for(int i=0; i<config->getNumViews(defaultDisplay); ++i)
    {
        glutAddMenuEntry(config->getView(defaultDisplay, i), i);
    }

    glutCreateMenu(menuCallback);
    glutAddSubMenu("Image ColorSpace", csMenuID);
    glutAddSubMenu("Transform", transformMenuID);
    glutAddSubMenu("Device", deviceMenuID);

    glutAttachMenu(GLUT_RIGHT_BUTTON);
}

OCIOColorSpace::OCIOColorSpace(Node *n) : DD::Image::PixelIop(n)
{
    m_hasColorSpaces = false;

    m_inputColorSpaceIndex = 0;
    m_outputColorSpaceIndex = 0;

    m_layersToProcess = DD::Image::Mask_RGB;

    
    // Query the colorspace names from the current config
    // TODO (when to) re-grab the list of available colorspaces? How to save/load?
    
    try
    {
        OCIO::ConstConfigRcPtr config = OCIO::GetCurrentConfig();
        std::string defaultColorSpaceName = config->getColorSpace(OCIO::ROLE_SCENE_LINEAR)->getName();
        
        for(int i = 0; i < config->getNumColorSpaces(); i++)
        {
            std::string csname = config->getColorSpaceNameByIndex(i);
            m_colorSpaceNames.push_back(csname);
            
            if(csname == defaultColorSpaceName)
            {
                m_inputColorSpaceIndex = i;
                m_outputColorSpaceIndex = i;
            }
        }
    }
    catch (OCIO::Exception& e)
    {
        std::cerr << "OCIOColorSpace: " << e.what() << std::endl;
    }
    catch (...)
    {
        std::cerr << "OCIOColorSpace: Unknown exception during OCIO setup." << std::endl;
    }
    
    // Then, create a cstr array for passing to Nuke
    // This must be done in a second pass, lest the original m_colorSpaceNames
    // std::string be reallocated in the interim
    for(unsigned int i=0; i<m_colorSpaceNames.size(); ++i)
    {
        m_inputColorSpaceCstrNames.push_back(m_colorSpaceNames[i].c_str());
        m_outputColorSpaceCstrNames.push_back(m_colorSpaceNames[i].c_str());
    }
    
    m_inputColorSpaceCstrNames.push_back(NULL);
    m_outputColorSpaceCstrNames.push_back(NULL);
    
    m_hasColorSpaces = (!m_colorSpaceNames.empty());
    
    if(!m_hasColorSpaces)
    {
        std::cerr << "OCIOColorSpace: No ColorSpaces available for input and/or output." << std::endl;
    }
}

void imageColorSpace_CB(int id)
{
    OCIO::ConstConfigRcPtr config = OCIO::GetCurrentConfig();
    const char * name = config->getColorSpaceNameByIndex(id);
    if(!name) return;

    g_inputColorSpace = name;

    UpdateOCIOGLState();
    glutPostRedisplay();
}

static void
buildChoiceMenu(OCIO::ConstConfigRcPtr config,
                ChoiceParamType* choice,
                bool cascading,
                const std::string& name = "")
{
#ifdef DEBUG
    //printf("%p->resetOptions\n", (void*)choice);
#endif
    choice->resetOptions();
    assert(choice->getNOptions() == 0);
    if (!config) {
        return;
    }
    int def = -1;
    int defaultcs = config->getIndexForColorSpace(OCIO_NAMESPACE::ROLE_DEFAULT);
    int referencecs = config->getIndexForColorSpace(OCIO_NAMESPACE::ROLE_REFERENCE);
    int datacs = config->getIndexForColorSpace(OCIO_NAMESPACE::ROLE_DATA);
    int colorpickingcs = config->getIndexForColorSpace(OCIO_NAMESPACE::ROLE_COLOR_PICKING);
    int scenelinearcs = config->getIndexForColorSpace(OCIO_NAMESPACE::ROLE_SCENE_LINEAR);
    int compositinglogcs = config->getIndexForColorSpace(OCIO_NAMESPACE::ROLE_COMPOSITING_LOG);
    int colortimingcs = config->getIndexForColorSpace(OCIO_NAMESPACE::ROLE_COLOR_TIMING);
    int texturepaintcs = config->getIndexForColorSpace(OCIO_NAMESPACE::ROLE_TEXTURE_PAINT);
    int mattepaintcs = config->getIndexForColorSpace(OCIO_NAMESPACE::ROLE_MATTE_PAINT);
    for (int i = 0; i < config->getNumColorSpaces(); ++i) {
        std::string csname = config->getColorSpaceNameByIndex(i);
        std::string msg;
        // set the default value, in case the GUI uses it
        if (!name.empty() && csname == name) {
            def = i;
        }
        OCIO_NAMESPACE::ConstColorSpaceRcPtr cs = config->getColorSpace(csname.c_str());
        if (cascading) {
            std::string family = config->getColorSpace(csname.c_str())->getFamily();
            if (!family.empty()) {
                csname = family + "/" + csname;
            }
        }
        std::string csdesc = cs ? cs->getDescription() : "(no colorspace)";
        csdesc = whitespacify(trim(csdesc));
        int csdesclen = csdesc.size();
        if ( csdesclen > 0 ) {
            msg += csdesc;
        }
        bool first = true;
        int roles = 0;
        if (i == defaultcs) {
            msg += first ? " (" : ", ";
            msg += OCIO_NAMESPACE::ROLE_DEFAULT;
            first = false;
            ++roles;
        }
        if (i == referencecs) {
            msg += first ? " (" : ", ";
            msg += OCIO_NAMESPACE::ROLE_REFERENCE;
            first = false;
            ++roles;
        }
        if (i == datacs) {
            msg += first ? " (" : ", ";
            msg += OCIO_NAMESPACE::ROLE_DATA;
            first = false;
            ++roles;
        }
        if (i == colorpickingcs) {
            msg += first ? " (" : ", ";
            msg += OCIO_NAMESPACE::ROLE_COLOR_PICKING;
            first = false;
            ++roles;
        }
        if (i == scenelinearcs) {
            msg += first ? " (" : ", ";
            msg += OCIO_NAMESPACE::ROLE_SCENE_LINEAR;
            first = false;
            ++roles;
        }
        if (i == compositinglogcs) {
            msg += first ? " (" : ", ";
            msg += OCIO_NAMESPACE::ROLE_COMPOSITING_LOG;
            first = false;
            ++roles;
        }
        if (i == colortimingcs) {
            msg += first ? " (" : ", ";
            msg += OCIO_NAMESPACE::ROLE_COLOR_TIMING;
            first = false;
            ++roles;
        }
        if (i == texturepaintcs) {
            msg += first ? " (" : ", ";
            msg += OCIO_NAMESPACE::ROLE_TEXTURE_PAINT;
            first = false;
            ++roles;
        }
        if (i == mattepaintcs) {
            msg += first ? " (" : ", ";
            msg += OCIO_NAMESPACE::ROLE_MATTE_PAINT;
            first = false;
            ++roles;
        }
//.........这里部分代码省略.........

OCIOLookTransform::OCIOLookTransform(Node *n) : DD::Image::PixelIop(n)
{
    m_hasColorSpaces = false;

    m_inputColorSpaceIndex = 0;
    m_outputColorSpaceIndex = 0;
    m_lookIndex = 0;
    m_dirIndex = 0;
    m_ignoreErrors = false;
    
    // Query the colorspace names from the current config
    // TODO (when to) re-grab the list of available colorspaces? How to save/load?
    
    OCIO::ConstConfigRcPtr config;
    std::string linear;
    
    try
    {
        config = OCIO::GetCurrentConfig();
        
        OCIO::ConstColorSpaceRcPtr linearcs = config->getColorSpace(OCIO::ROLE_SCENE_LINEAR);
        if(!linearcs) throw std::runtime_error("ROLE_SCENE_LINEAR not defined.");
        linear = linearcs->getName();
    }
    catch (const OCIO::Exception& e)
    {
        std::cerr << "OCIOLookTransform: " << e.what() << std::endl;
    }
    catch (...)
    {
        std::cerr << "OCIOLookTransform: Unknown exception during OCIO setup." << std::endl;
    }
    
    if(!config)
    {
        m_hasColorSpaces = false;
        return;
    }
    
    // Step 1: Make the std::vectors
    for(int i=0; i<config->getNumLooks(); ++i)
    {
        m_lookNames.push_back(config->getLookNameByIndex(i));
    }
    
    for(int i = 0; i < config->getNumColorSpaces(); i++)
    {
        std::string csname = config->getColorSpaceNameByIndex(i);
        
#ifdef OCIO_CASCADE
            std::string family = config->getColorSpace(csname.c_str())->getFamily();
            if(family.empty())
                m_colorSpaceNames.push_back(csname.c_str());
            else
                m_colorSpaceNames.push_back(family + "/" + csname);
#else
            m_colorSpaceNames.push_back(csname);
#endif
        if(csname == linear)
        {
            m_inputColorSpaceIndex = i;
            m_outputColorSpaceIndex = i;
        }
    }
    
    
    // Step 2: Create a cstr array for passing to Nuke
    // (This must be done in a second pass, lest the original strings be reallocated)
    
    for(unsigned int i=0; i<m_lookNames.size(); ++i)
    {
        m_lookCstrNames.push_back(m_lookNames[i].c_str());
    }
    m_lookCstrNames.push_back(NULL);
    
    for(unsigned int i=0; i<m_colorSpaceNames.size(); ++i)
    {
        m_inputColorSpaceCstrNames.push_back(m_colorSpaceNames[i].c_str());
        m_outputColorSpaceCstrNames.push_back(m_colorSpaceNames[i].c_str());
    }
    
    m_inputColorSpaceCstrNames.push_back(NULL);
    m_outputColorSpaceCstrNames.push_back(NULL);
    
    
    
    
    
    m_hasColorSpaces = (!m_colorSpaceNames.empty());
    
    if(!m_hasColorSpaces)
    {
        std::cerr << "OCIOLookTransform: No ColorSpaces available for input and/or output." << std::endl;
    }
}

void OCIOLookTransform::_validate(bool for_real)
{
    if(!m_hasColorSpaces)
    {
        error("No colorspaces available for input and/or output.");
        return;
    }

    int inputColorSpaceCount = static_cast<int>(m_inputColorSpaceCstrNames.size()) - 1;
    if(m_inputColorSpaceIndex < 0 || m_inputColorSpaceIndex >= inputColorSpaceCount)
    {
        std::ostringstream err;
        err << "Input colorspace index (" << m_inputColorSpaceIndex << ") out of range.";
        error(err.str().c_str());
        return;
    }

    int outputColorSpaceCount = static_cast<int>(m_outputColorSpaceCstrNames.size()) - 1;
    if(m_outputColorSpaceIndex < 0 || m_outputColorSpaceIndex >= outputColorSpaceCount)
    {
        std::ostringstream err;
        err << "Output colorspace index (" << m_outputColorSpaceIndex << ") out of range.";
        error(err.str().c_str());
        return;
    }

    try
    {
        OCIO::ConstConfigRcPtr config = OCIO::GetCurrentConfig();
        
        const char * inputName = config->getColorSpaceNameByIndex(m_inputColorSpaceIndex);
        const char * outputName = config->getColorSpaceNameByIndex(m_outputColorSpaceIndex);
        
        OCIO::LookTransformRcPtr transform = OCIO::LookTransform::Create();
        const char * look = m_lookCstrNames[m_lookIndex];
        if(look != NULL)
        {
            transform->setLooks(look);
        }
        
        OCIO::ConstContextRcPtr context = getLocalContext();
        OCIO::TransformDirection direction = OCIO::TRANSFORM_DIR_UNKNOWN;
        bool invertTransform = (m_dirIndex == 0) ? false : true;
        
        // Forward
        if(!invertTransform)
        {
            transform->setSrc(inputName);
            transform->setDst(outputName);
            direction = OCIO::TRANSFORM_DIR_FORWARD;
        }
        else
        {
            // The TRANSFORM_DIR_INVERSE applies an inverse for the end-to-end transform,
            // which would otherwise do dst->inv look -> src.
            // This is an unintuitive result for the artist (who would expect in, out to
            // remain unchanged), so we account for that here by flipping src/dst
            
            transform->setSrc(outputName);
            transform->setDst(inputName);
            direction = OCIO::TRANSFORM_DIR_INVERSE;
        }
        
        try
        {
            m_processor = config->getProcessor(context, transform, direction);
        }
        // We only catch the exceptions for missing files, and try to succeed
        // in this case. All other errors represent more serious problems and
        // should fail through.
        catch(const OCIO::ExceptionMissingFile &e)
        {
            if(!m_ignoreErrors) throw;
            m_processor = config->getProcessor(context, inputName, outputName);
        }
    }
    catch(const OCIO::Exception &e)
    {
        error(e.what());
        return;
    }
    catch (...)
    {
        error("OCIOLookTransform: Unknown exception during _validate.");
        return;
    }
    
    if(m_processor->isNoOp())
    {
        set_out_channels(DD::Image::Mask_None); // prevents engine() from being called
    } else {    
        set_out_channels(DD::Image::Mask_All);
    }

    DD::Image::PixelIop::_validate(for_real);
}

//.........这里部分代码省略.........
            }
            
            for(int i=0; i<config->getNumRoles(); ++i)
            {
                const char * role = config->getRoleName(i);
                if(usedroles.find(role) != usedroles.end()) continue;
                
                OCIO::ConstColorSpaceRcPtr cs = config->getColorSpace(role);
                if(cs)
                {
                    std::cout << cs->getName() << " (" << role << ": user)" << std::endl;
                }
                else
                {
                    std::cout << "ERROR: NOT DEFINED" << " (" << role << ")" << std::endl;
                    errorcount += 1;
                }
                
            }
        }
        
        std::cout << std::endl;
        std::cout << "** ColorSpaces **" << std::endl;
        OCIO::ConstColorSpaceRcPtr lin = config->getColorSpace(OCIO::ROLE_SCENE_LINEAR);
        if(!lin)
        {
            std::cout << "Error: scene_linear role must be defined." << std::endl;
            errorcount += 1;
        }
        else
        {
            for(int i=0; i<config->getNumColorSpaces(); ++i)
            {
                OCIO::ConstColorSpaceRcPtr cs = config->getColorSpace(config->getColorSpaceNameByIndex(i));
                
                bool convertsToLinear = true;
                std::string convertsToLinearErrorText;
                
                bool convertsFromLinear = true;
                std::string convertsFromLinearErrorText;
                
                try
                {
                    OCIO::ConstProcessorRcPtr p = config->getProcessor(cs, lin);
                }
                catch(OCIO::Exception & exception)
                {
                    convertsToLinear = false;
                    convertsToLinearErrorText = exception.what();
                }
                
                try
                {
                    OCIO::ConstProcessorRcPtr p = config->getProcessor(lin, cs);
                }
                catch(OCIO::Exception & exception)
                {
                    convertsFromLinear = false;
                    convertsFromLinearErrorText = exception.what();
                }
                
                if(convertsToLinear && convertsFromLinear)
                {
                    std::cout << cs->getName() << std::endl;
                }
                else if(!convertsToLinear && !convertsFromLinear)

static void PopulateOCIOMenus()
{
    OCIO::ConstConfigRcPtr config = OCIO::GetCurrentConfig();
    
    int csMenuID = glutCreateMenu(imageColorSpace_CB);

    std::map<std::string, int> families;
    for(int i=0; i<config->getNumColorSpaces(); ++i)
    {
        const char * csName = config->getColorSpaceNameByIndex(i);
        if(csName && *csName)
        {
            OCIO::ConstColorSpaceRcPtr cs = config->getColorSpace(csName);
            if(cs)
            {
                const char * family = cs->getFamily();
                if(family && *family)
                {
                    if(families.find(family)==families.end())
                    {
                        families[family] = glutCreateMenu(imageColorSpace_CB);
                        glutAddMenuEntry(csName, i);

                        glutSetMenu(csMenuID);
                        glutAddSubMenu(family, families[family]);
                    }
                    else
                    {
                        glutSetMenu(families[family]);
                        glutAddMenuEntry(csName, i);
                    }
                }
                else
                {
                    glutSetMenu(csMenuID);
                    glutAddMenuEntry(csName, i);
                }
            }
        }
    }
    
    int deviceMenuID = glutCreateMenu(displayDevice_CB);
    for(int i=0; i<config->getNumDisplays(); ++i)
    {
        glutAddMenuEntry(config->getDisplay(i), i);
    }
    
    int transformMenuID = glutCreateMenu(transform_CB);
    const char * defaultDisplay = config->getDefaultDisplay();
    for(int i=0; i<config->getNumViews(defaultDisplay); ++i)
    {
        glutAddMenuEntry(config->getView(defaultDisplay, i), i);
    }
    
    int lookMenuID = glutCreateMenu(look_CB);
    for(int i=0; i<config->getNumLooks(); ++i)
    {
        glutAddMenuEntry(config->getLookNameByIndex(i), i);
    }
    
    glutCreateMenu(menuCallback);
    glutAddSubMenu("Image ColorSpace", csMenuID);
    glutAddSubMenu("Transform", transformMenuID);
    glutAddSubMenu("Device", deviceMenuID);
    glutAddSubMenu("Looks Override", lookMenuID);
    
    glutAttachMenu(GLUT_RIGHT_BUTTON);
}