Method ColorMatrixPlugin

ColorMatrix/ColorMatrix.cpp:365–405

@brief ctor */

public:
    /** @brief ctor */
    ColorMatrixPlugin(OfxImageEffectHandle handle)
        : ImageEffect(handle)
        , _dstClip(NULL)
        , _srcClip(NULL)
        , _maskClip(NULL)
        , _premultChanged(NULL)
    {

        _dstClip = fetchClip(kOfxImageEffectOutputClipName);
        assert( _dstClip && (!_dstClip->isConnected() || _dstClip->getPixelComponents() == ePixelComponentRGB ||
                             _dstClip->getPixelComponents() == ePixelComponentRGBA ||
                             _dstClip->getPixelComponents() == ePixelComponentAlpha) );
        _srcClip = getContext() == eContextGenerator ? NULL : fetchClip(kOfxImageEffectSimpleSourceClipName);
        assert( (!_srcClip && getContext() == eContextGenerator) ||
                ( _srcClip && (!_srcClip->isConnected() || _srcClip->getPixelComponents() ==  ePixelComponentRGB ||
                               _srcClip->getPixelComponents() == ePixelComponentRGBA ||
                               _srcClip->getPixelComponents() == ePixelComponentAlpha) ) );
        _maskClip = fetchClip(getContext() == eContextPaint ? "Brush" : "Mask");
        assert(!_maskClip || !_maskClip->isConnected() || _maskClip->getPixelComponents() == ePixelComponentAlpha);
        _processR = fetchBooleanParam(kParamProcessR);
        _processG = fetchBooleanParam(kParamProcessG);
        _processB = fetchBooleanParam(kParamProcessB);
        _processA = fetchBooleanParam(kParamProcessA);
        assert(_processR && _processG && _processB && _processA);
        _outputRed = fetchRGBAParam(kParamOutputRedName);
        _outputGreen = fetchRGBAParam(kParamOutputGreenName);
        _outputBlue = fetchRGBAParam(kParamOutputBlueName);
        _outputAlpha = fetchRGBAParam(kParamOutputAlphaName);
        _clampBlack = fetchBooleanParam(kParamClampBlack);
        _clampWhite = fetchBooleanParam(kParamClampWhite);
        assert(_outputRed && _outputGreen && _outputBlue && _outputAlpha && _clampBlack && _clampWhite);
        _premult = fetchBooleanParam(kParamPremult);
        _premultChannel = fetchChoiceParam(kParamPremultChannel);
        assert(_premult && _premultChannel);
        _mix = fetchDoubleParam(kParamMix);
        _maskApply = ( ofxsMaskIsAlwaysConnected( OFX::getImageEffectHostDescription() ) && paramExists(kParamMaskApply) ) ? fetchBooleanParam(kParamMaskApply) : 0;
        _maskInvert = fetchBooleanParam(kParamMaskInvert);
        assert(_mix && _maskInvert);
        _premultChanged = fetchBooleanParam(kParamPremultChanged);
        assert(_premultChanged);
    }

private:
    /* Override the render */