Example #1
0
ColorProcessor*
ColorConfig::createFileTransform (string_view name, bool inverse) const
{
#ifdef USE_OCIO
    // Ask OCIO to make a Processor that can handle the requested
    // transformation.
    if (getImpl()->config_) {
        OCIO::ConstConfigRcPtr config = getImpl()->config_;
        OCIO::FileTransformRcPtr transform = OCIO::FileTransform::Create();
        transform->setSrc (name.c_str());
        transform->setInterpolation (OCIO::INTERP_BEST);
        OCIO::TransformDirection dir = inverse ? OCIO::TRANSFORM_DIR_INVERSE
                                               : OCIO::TRANSFORM_DIR_FORWARD;
        OCIO::ConstContextRcPtr context = config->getCurrentContext();
        OCIO::ConstProcessorRcPtr p;
        try {
            // Get the processor corresponding to this transform.
            p = getImpl()->config_->getProcessor (context, transform, dir);
        }
        catch(OCIO::Exception &e) {
            getImpl()->error_ = e.what();
            return NULL;
        }
        catch(...) {
            getImpl()->error_ = "An unknown error occurred in OpenColorIO, getProcessor";
            return NULL;
        }
    
        getImpl()->error_ = "";
        return new ColorProcessor_OCIO(p);
    }
#endif

    return NULL;    // if we get this far, we've failed
}
Example #2
0
OCIO::ConstContextRcPtr OCIOColorSpace::getLocalContext()
{
    OCIO::ConstConfigRcPtr config = OCIO::GetCurrentConfig();
    OCIO::ConstContextRcPtr context = config->getCurrentContext();
    OCIO::ContextRcPtr mutableContext;
    
    if(!m_contextKey1.empty())
    {
        if(!mutableContext) mutableContext = context->createEditableCopy();
        mutableContext->setStringVar(m_contextKey1.c_str(), m_contextValue1.c_str());
    }
    if(!m_contextKey2.empty())
    {
        if(!mutableContext) mutableContext = context->createEditableCopy();
        mutableContext->setStringVar(m_contextKey2.c_str(), m_contextValue2.c_str());
    }
    if(!m_contextKey3.empty())
    {
        if(!mutableContext) mutableContext = context->createEditableCopy();
        mutableContext->setStringVar(m_contextKey3.c_str(), m_contextValue3.c_str());
    }
    if(!m_contextKey4.empty())
    {
        if(!mutableContext) mutableContext = context->createEditableCopy();
        mutableContext->setStringVar(m_contextKey4.c_str(), m_contextValue4.c_str());
    }
    
    if(mutableContext) context = mutableContext;
    return context;
}
Example #3
0
ColorProcessor*
ColorConfig::createLookTransform (string_view looks,
                                  string_view inputColorSpace,
                                  string_view outputColorSpace,
                                  bool inverse,
                                  string_view context_key,
                                  string_view context_val) const
{
#ifdef USE_OCIO
    // Ask OCIO to make a Processor that can handle the requested
    // transformation.
    if (getImpl()->config_) {
        OCIO::ConstConfigRcPtr config = getImpl()->config_;
        OCIO::LookTransformRcPtr transform = OCIO::LookTransform::Create();
        transform->setLooks (looks.c_str());
        OCIO::TransformDirection dir;
        if (inverse) {
            // 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 (outputColorSpace.c_str());
            transform->setDst (inputColorSpace.c_str());
            dir = OCIO::TRANSFORM_DIR_INVERSE;
        } else { // forward
            transform->setSrc (inputColorSpace.c_str());
            transform->setDst (outputColorSpace.c_str());
            dir = OCIO::TRANSFORM_DIR_FORWARD;
        }
        OCIO::ConstContextRcPtr context = config->getCurrentContext();
        if (context_key.size() && context_val.size()) {
            OCIO::ContextRcPtr ctx = context->createEditableCopy();
            ctx->setStringVar (context_key.c_str(), context_val.c_str());
            context = ctx;
        }

        OCIO::ConstProcessorRcPtr p;
        try {
            // Get the processor corresponding to this transform.
            p = getImpl()->config_->getProcessor (context, transform, dir);
        }
        catch(OCIO::Exception &e) {
            getImpl()->error_ = e.what();
            return NULL;
        }
        catch(...) {
            getImpl()->error_ = "An unknown error occurred in OpenColorIO, getProcessor";
            return NULL;
        }
    
        getImpl()->error_ = "";
        return new ColorProcessor_OCIO(p);
    }
#endif

    return NULL;    // if we get this far, we've failed
}
Example #4
0
ColorProcessor*
ColorConfig::createDisplayTransform (string_view display,
                                     string_view view,
                                     string_view inputColorSpace,
                                     string_view looks,
                                     string_view context_key,
                                     string_view context_value) const
{
#ifdef USE_OCIO
    // Ask OCIO to make a Processor that can handle the requested
    // transformation.
    if (getImpl()->config_) {
        OCIO::ConstConfigRcPtr config = getImpl()->config_;
        OCIO::DisplayTransformRcPtr transform = OCIO::DisplayTransform::Create();
        transform->setInputColorSpaceName (inputColorSpace.c_str());
        transform->setDisplay(display.c_str());
        transform->setView(view.c_str());
        if (looks.size()) {
            transform->setLooksOverride(looks.c_str());
            transform->setLooksOverrideEnabled(true);
        } else {
            transform->setLooksOverrideEnabled(false);
        }
        OCIO::ConstContextRcPtr context = config->getCurrentContext();
        std::vector<string_view> keys, values;
        Strutil::split (context_key, keys, ",");
        Strutil::split (context_value, values, ",");
        if (keys.size() && values.size() && keys.size() == values.size()) {
            OCIO::ContextRcPtr ctx = context->createEditableCopy();
            for (size_t i = 0; i < keys.size(); ++i)
                ctx->setStringVar (keys[i].c_str(), values[i].c_str());
            context = ctx;
        }

        OCIO::ConstProcessorRcPtr p;
        try {
            // Get the processor corresponding to this transform.
            p = getImpl()->config_->getProcessor (context, transform,
                                                  OCIO::TRANSFORM_DIR_FORWARD);
        }
        catch(OCIO::Exception &e) {
            getImpl()->error_ = e.what();
            return NULL;
        }
        catch(...) {
            getImpl()->error_ = "An unknown error occurred in OpenColorIO, getProcessor";
            return NULL;
        }
    
        getImpl()->error_ = "";
        return new ColorProcessor_OCIO(p);
    }
#endif

    return NULL;    // if we get this far, we've failed
}
Example #5
0
ColorProcessor*
ColorConfig::createColorProcessor (string_view inputColorSpace,
                                   string_view outputColorSpace,
                                   string_view context_key,
                                   string_view context_value) const
{
    string_view inputrole, outputrole;
    std::string pending_error;
#ifdef USE_OCIO
    // Ask OCIO to make a Processor that can handle the requested
    // transformation.
    OCIO::ConstProcessorRcPtr p;
    if (getImpl()->config_) {
        // If the names are roles, convert them to color space names
        string_view name;
        name = getColorSpaceNameByRole (inputColorSpace);
        if (! name.empty()) {
            inputrole = inputColorSpace;
            inputColorSpace = name;
        }
        name = getColorSpaceNameByRole (outputColorSpace);
        if (! name.empty()) {
            outputrole = outputColorSpace;
            outputColorSpace = name;
        }

        OCIO::ConstConfigRcPtr config = getImpl()->config_;
        OCIO::ConstContextRcPtr context = config->getCurrentContext();
        std::vector<string_view> keys, values;
        Strutil::split (context_key, keys, ",");
        Strutil::split (context_value, values, ",");
        if (keys.size() && values.size() && keys.size() == values.size()) {
            OCIO::ContextRcPtr ctx = context->createEditableCopy();
            for (size_t i = 0; i < keys.size(); ++i)
                ctx->setStringVar (keys[i].c_str(), values[i].c_str());
            context = ctx;
        }

        try {
            // Get the processor corresponding to this transform.
            p = getImpl()->config_->getProcessor(context, inputColorSpace.c_str(),
                                                 outputColorSpace.c_str());
        }
        catch(OCIO::Exception &e) {
            // Don't quit yet, remember the error and see if any of our
            // built-in knowledge of some generic spaces will save us.
            p.reset();
            pending_error = e.what();
        }
        catch(...) {
            getImpl()->error_ = "An unknown error occurred in OpenColorIO, getProcessor";
            return NULL;
        }
    
        getImpl()->error_ = "";
        if (p && ! p->isNoOp()) {
            // If we got a valid processor that does something useful,
            // return it now. If it boils down to a no-op, give a second
            // chance below to recognize it as a special case.
            return new ColorProcessor_OCIO(p);
        }
    }
#endif

    // Either not compiled with OCIO support, or no OCIO configuration
    // was found at all.  There are a few color conversions we know
    // about even in such dire conditions.
    using namespace Strutil;
    if (iequals(inputColorSpace,outputColorSpace)) {
        return new ColorProcessor_Ident;
    }
    if ((iequals(inputColorSpace,"linear") || iequals(inputrole,"linear") ||
         iequals(inputColorSpace,"lnf") || iequals(inputColorSpace,"lnh"))
        && iequals(outputColorSpace,"sRGB")) {
        return new ColorProcessor_linear_to_sRGB;
    }
    if (iequals(inputColorSpace,"sRGB") &&
        (iequals(outputColorSpace,"linear") || iequals(outputrole,"linear") ||
         iequals(outputColorSpace,"lnf") || iequals(outputColorSpace,"lnh"))) {
        return new ColorProcessor_sRGB_to_linear;
    }
    if ((iequals(inputColorSpace,"linear") || iequals(inputrole,"linear") ||
         iequals(inputColorSpace,"lnf") || iequals(inputColorSpace,"lnh")) &&
        iequals(outputColorSpace,"Rec709")) {
        return new ColorProcessor_linear_to_Rec709;
    }
    if (iequals(inputColorSpace,"Rec709") &&
        (iequals(outputColorSpace,"linear") || iequals(outputrole,"linear") ||
         iequals(outputColorSpace,"lnf") || iequals(outputColorSpace,"lnh"))) {
        return new ColorProcessor_Rec709_to_linear;
    }

#ifdef USE_OCIO
    if (p) {
        // If we found a procesor from OCIO, even if it was a NoOp, and we
        // still don't have a better idea, return it.
        return new ColorProcessor_OCIO(p);
    }
#endif

    if (pending_error.size())
        getImpl()->error_ = pending_error;
    return NULL;    // if we get this far, we've failed
}