Example #1
0
OFX::PageParamDescriptor*
CImgFilterPluginHelperBase::describeInContextBegin(bool sourceIsOptional,
                                                   OFX::ImageEffectDescriptor &desc,
                                                   OFX::ContextEnum context,
                                                   bool supportsRGBA,
                                                   bool supportsRGB,
                                                   bool supportsXY,
                                                   bool supportsAlpha,
                                                   bool supportsTiles,
                                                   bool processRGB,
                                                   bool processAlpha,
                                                   bool processIsSecret)
{

#ifdef OFX_EXTENSIONS_NATRON
    desc.setChannelSelector(OFX::ePixelComponentNone); // we have our own channel selector
#endif

    OFX::ClipDescriptor *srcClip = desc.defineClip(kOfxImageEffectSimpleSourceClipName);
    if (supportsRGBA) {
        srcClip->addSupportedComponent(OFX::ePixelComponentRGBA);
    }
    if (supportsRGB) {
        srcClip->addSupportedComponent(OFX::ePixelComponentRGB);
    }
    if (supportsXY) {
        srcClip->addSupportedComponent(OFX::ePixelComponentXY);
    }
    if (supportsAlpha) {
        srcClip->addSupportedComponent(OFX::ePixelComponentAlpha);
    }
    srcClip->setTemporalClipAccess(false);
    srcClip->setSupportsTiles(supportsTiles);
    srcClip->setIsMask(false);
    if (context == OFX::eContextGeneral && sourceIsOptional) {
        srcClip->setOptional(sourceIsOptional);
    }

    OFX::ClipDescriptor *dstClip = desc.defineClip(kOfxImageEffectOutputClipName);
    if (supportsRGBA) {
        dstClip->addSupportedComponent(OFX::ePixelComponentRGBA);
    }
    if (supportsRGB) {
        dstClip->addSupportedComponent(OFX::ePixelComponentRGB);
    }
    if (supportsXY) {
        dstClip->addSupportedComponent(OFX::ePixelComponentXY);
    }
    if (supportsAlpha) {
        dstClip->addSupportedComponent(OFX::ePixelComponentAlpha);
    }
    dstClip->setSupportsTiles(supportsTiles);

    OFX::ClipDescriptor *maskClip = (context == OFX::eContextPaint) ? desc.defineClip("Brush") : desc.defineClip("Mask");
    maskClip->addSupportedComponent(OFX::ePixelComponentAlpha);
    maskClip->setTemporalClipAccess(false);
    if (context != OFX::eContextPaint) {
        maskClip->setOptional(true);
    }
    maskClip->setSupportsTiles(supportsTiles);
    maskClip->setIsMask(true);

    // create the params
    OFX::PageParamDescriptor *page = desc.definePageParam("Controls");

    {
        OFX::BooleanParamDescriptor* param = desc.defineBooleanParam(kNatronOfxParamProcessR);
        param->setLabel(kNatronOfxParamProcessRLabel);
        param->setHint(kNatronOfxParamProcessRHint);
        param->setDefault(processRGB);
        param->setIsSecret(processIsSecret);
        param->setLayoutHint(OFX::eLayoutHintNoNewLine);
        if (page) {
            page->addChild(*param);
        }
    }
    {
        OFX::BooleanParamDescriptor* param = desc.defineBooleanParam(kNatronOfxParamProcessG);
        param->setLabel(kNatronOfxParamProcessGLabel);
        param->setHint(kNatronOfxParamProcessGHint);
        param->setDefault(processRGB);
        param->setIsSecret(processIsSecret);
        param->setLayoutHint(OFX::eLayoutHintNoNewLine);
        if (page) {
            page->addChild(*param);
        }
    }
    {
        OFX::BooleanParamDescriptor* param = desc.defineBooleanParam(kNatronOfxParamProcessB);
        param->setLabel(kNatronOfxParamProcessBLabel);
        param->setHint(kNatronOfxParamProcessBHint);
        param->setDefault(processRGB);
        param->setIsSecret(processIsSecret);
        param->setLayoutHint(OFX::eLayoutHintNoNewLine);
        if (page) {
            page->addChild(*param);
        }
    }
    {
        OFX::BooleanParamDescriptor* param = desc.defineBooleanParam(kNatronOfxParamProcessA);
        param->setLabel(kNatronOfxParamProcessALabel);
        param->setHint(kNatronOfxParamProcessAHint);
        param->setDefault(processAlpha);
        param->setIsSecret(processIsSecret);
        if (page) {
            page->addChild(*param);
        }
    }


    return page;
}
/**
 * @brief Function called to describe the plugin controls and features.
 * @param[in, out]   desc       Effect descriptor
 * @param[in]        context    Application context
 */
void HistogramKeyerPluginFactory::describeInContext( OFX::ImageEffectDescriptor& desc,OFX::EContext context )
{
	
	OFX::ClipDescriptor* srcClip = desc.defineClip( kOfxImageEffectSimpleSourceClipName );
	srcClip->addSupportedComponent( OFX::ePixelComponentRGBA );
	srcClip->addSupportedComponent( OFX::ePixelComponentRGB );
	srcClip->addSupportedComponent( OFX::ePixelComponentAlpha );
	srcClip->setSupportsTiles( kSupportTiles );

	OFX::ClipDescriptor* dstClip = desc.defineClip( kOfxImageEffectOutputClipName );
	dstClip->addSupportedComponent( OFX::ePixelComponentRGBA );
	dstClip->addSupportedComponent( OFX::ePixelComponentRGB );
	dstClip->addSupportedComponent( OFX::ePixelComponentAlpha );
	dstClip->setSupportsTiles( kSupportTiles );

	//global display
	OFX::BooleanParamDescriptor* boolGLOBAL = desc.defineBooleanParam(kGlobalDisplay);
	boolGLOBAL->setHint("Display global overlay on screen.");
	boolGLOBAL->setDefault(true);
		
    // if parametric parameters are supported
	if( OFX::getImageEffectHostDescription()->supportsParametricParameter )
	{
		OFX::ParametricParamDescriptor* curvesRGB = desc.defineParametricParam( kParamRGBColorSelection );
		OFX::ParametricParamDescriptor* curvesHSL = desc.defineParametricParam( kParamHSLColorSelection );
		
		//Group Param (RGB & HSL)
		OFX::GroupParamDescriptor *groupRGB = desc.defineGroupParam(kGroupRGB);
		groupRGB->setLabel(kGroupRGBLabel);
		OFX::GroupParamDescriptor *groupHSL = desc.defineGroupParam(kGroupHSL);
		groupHSL->setLabel(kGroupHSLLabel);

		//define the graphic aspect
		curvesRGB->setRange( 0.0, 1.0 );		//set range on RGB curve
		curvesHSL->setRange( 0.0, 1.0 );		//set range on HSL curve
		curvesRGB->setDimension(nbCurvesRGB);	//3 curves on RGB
		curvesHSL->setDimension(nbCurvesHSL);	//3 curves on HSL

		//Add curves RGB
		curvesRGB->setDimensionLabel( kParamColorSelectionRed, 0 );			// 0 on RGB is red
		curvesRGB->setDimensionLabel( kParamColorSelectionGreen, 1 );		// 1 on RGB is green
		curvesRGB->setDimensionLabel( kParamColorSelectionBlue, 2 );		// 2 on RGB is blue
		//Add curves HSL
		curvesHSL->setDimensionLabel( kParamColorSelectionHue, 0 );			// 0 on HSL is hue
		curvesHSL->setDimensionLabel( kParamColorSelectionSaturation, 1 );	// 1 on HSL is saturation
		curvesHSL->setDimensionLabel( kParamColorSelectionLightness, 2 );	// 2 on HSK is lightness
		//define curves color RGB 
		curvesRGB->setHint( "Color selection" );		
		static const OfxRGBColourD red   = {1,0,0};		//set red color to red curve
		static const OfxRGBColourD green = {0,1,0};		//set green color to green curve
		static const OfxRGBColourD blue  = {0,0,1};		//set blue color to blue curve
		curvesRGB->setUIColour( 0, red );
		curvesRGB->setUIColour( 1, green );
		curvesRGB->setUIColour( 2, blue );
		//define curves color HSL 
		curvesHSL->setHint( "Color selection" );
		curvesHSL->setUIColour( 0, red );		//set red color on hue curve
		curvesHSL->setUIColour( 1, green );		//set green color on saturation curve
		curvesHSL->setUIColour( 2, blue );		//set lightness color on saturation curve
		
		curvesRGB->setInteractDescriptor( new OFX::DefaultParamInteractWrap<RGBParamOverlayDescriptor>() );	//attach parametric curve to RGBOverlay
		curvesHSL->setInteractDescriptor( new OFX::DefaultParamInteractWrap<HSLParamOverlayDescriptor>() );	//attach parametric curve to HSLOverlay
		
		//add curves to their groups
		curvesRGB->setParent(groupRGB);	//add RGB curves to RGB group
		curvesHSL->setParent(groupHSL); //add HSL curves to HSL group 
		
		//Set each curves to initial value
		curvesRGB->setIdentity();
		curvesHSL->setIdentity();
		//add 2 control points (0,1) and (1,1) for each channel
		for(unsigned int i=0; i< nbCurvesRGB; ++i)
		{
			//curvesRGB->addControlPoint( i, 0.0, 0.0, 1.0, false );
			curvesRGB->addControlPoint( i, 0.0, 1.0, 1.0, false );
		}
		for(unsigned int i=0; i< nbCurvesHSL; ++i)
		{
			//curvesHSL->addControlPoint( i, 0.0, 0.0, 1.0, false );
			curvesHSL->addControlPoint( i, 0.0, 1.0, 1.0, false );
		}
		
		//Channels checkboxes (RGB)
		OFX::BooleanParamDescriptor* boolR = desc.defineBooleanParam(kBoolRed);
		boolR->setDefault(false);							//red channel is not selected by default
		boolR->setHint("Activate Red channel");
		boolR->setLayoutHint( OFX::eLayoutHintNoNewLine ); //line is not finished
		boolR->setParent(groupRGB);
		//red multiplier
		OFX::DoubleParamDescriptor* redMultiplier = desc.defineDoubleParam(kMultiplierRed);
		redMultiplier->setLabel(kMultiplierLabel);
		redMultiplier->setHint("Determinate curve from selection precision.");
		redMultiplier->setRange(1, 1000);
		redMultiplier->setDisplayRange(0,5);
		redMultiplier->setDefault(1);
		redMultiplier->setParent(groupRGB);
		
		
		OFX::BooleanParamDescriptor* boolG = desc.defineBooleanParam(kBoolGreen);
		boolG->setDefault(false);						//green channel is not selected by default
		boolG->setHint("Activate Green channel");
		boolG->setLayoutHint( OFX::eLayoutHintNoNewLine ); //line is not finished
		boolG->setParent(groupRGB);
		//green multiplier
		OFX::DoubleParamDescriptor* greenMultiplier = desc.defineDoubleParam(kMultiplierGreen);
		greenMultiplier->setLabel(kMultiplierLabel);
		greenMultiplier->setHint("Determinate curve from selection precision.");
		greenMultiplier->setRange(1, 1000);
		greenMultiplier->setDisplayRange(0,5);
		greenMultiplier->setDefault(1);
		greenMultiplier->setParent(groupRGB);
		
		
		OFX::BooleanParamDescriptor* boolB = desc.defineBooleanParam(kBoolBlue);
		boolB->setHint("Activate Blue channel");
		boolB->setLayoutHint( OFX::eLayoutHintNoNewLine ); //line is not finished
		boolB->setDefault(false);						   //blue channel is not selected by default
		boolB->setParent(groupRGB);
		//blue multiplier
		OFX::DoubleParamDescriptor* blueMultiplier = desc.defineDoubleParam(kMultiplierBlue);
		blueMultiplier->setLabel(kMultiplierLabel);
		blueMultiplier->setHint("Determinate curve from selection precision.");
		blueMultiplier->setRange(1, 1000);
		blueMultiplier->setDisplayRange(0,5);
		blueMultiplier->setDefault(1);
		blueMultiplier->setParent(groupRGB);
		
		
		
		//Channels check box (HSL)
		OFX::BooleanParamDescriptor* boolH = desc.defineBooleanParam(kBoolHue);
		boolH->setDefault(false);
		boolH->setHint("Activate Hue channel");
		boolH->setLayoutHint( OFX::eLayoutHintNoNewLine ); //line is not finished
		boolH->setParent(groupHSL);
		//Hue multiplier
		OFX::DoubleParamDescriptor* hueMultiplier = desc.defineDoubleParam(kMultiplierHue);
		hueMultiplier->setLabel(kMultiplierLabel);
		hueMultiplier->setHint("Determinate curve from selection precision.");
		hueMultiplier->setRange(1, 1000);
		hueMultiplier->setDisplayRange(0,5);
		hueMultiplier->setDefault(1);
		hueMultiplier->setParent(groupHSL);
		
		
		OFX::BooleanParamDescriptor* boolS = desc.defineBooleanParam(kBoolSaturation);
		boolS->setDefault(false);
		boolS->setHint("Activate Saturation channel");
		boolS->setLayoutHint( OFX::eLayoutHintNoNewLine ); //line is not finished
		boolS->setParent(groupHSL);
		//Saturation multiplier
		OFX::DoubleParamDescriptor* saturationMultiplier = desc.defineDoubleParam(kMultiplierSaturation);
		saturationMultiplier->setLabel(kMultiplierLabel);
		saturationMultiplier->setHint("Determinate curve from selection precision.");
		saturationMultiplier->setRange(1, 1000);
		saturationMultiplier->setDisplayRange(0,5);
		saturationMultiplier->setDefault(1);
		saturationMultiplier->setParent(groupHSL);
		
		OFX::BooleanParamDescriptor* boolL = desc.defineBooleanParam(kBoolLightness);
		boolL->setHint("Activate Lightness channel");
		boolL->setLayoutHint( OFX::eLayoutHintNoNewLine ); //line is not finished
		boolL->setDefault(false);
		boolL->setParent(groupHSL);
		//Lightness multiplier
		OFX::DoubleParamDescriptor* lightnessMultiplier = desc.defineDoubleParam(kMultiplierLightness);
		lightnessMultiplier->setLabel(kMultiplierLabel);
		lightnessMultiplier->setHint("Determinate curve from selection precision.");
		lightnessMultiplier->setRange(1, 1000);
		lightnessMultiplier->setDisplayRange(0,5);
		lightnessMultiplier->setDefault(1);
		lightnessMultiplier->setParent(groupHSL);
		
		//Clean Button (RGB)
		OFX::PushButtonParamDescriptor* resetButtonRGB = desc.definePushButtonParam(kButtonResetRGB);
		resetButtonRGB->setLabel(kButtonResetRGBLabel);
		resetButtonRGB->setLayoutHint( OFX::eLayoutHintNoNewLine ); //line is not finished
		resetButtonRGB->setHint("Reset the selected RGB curves. \n Warning : the curves may not be refreshed click on overlay to refresh.");
		resetButtonRGB->setParent(groupRGB);
		
		//Selection To Curves Button (RGB)
		OFX::PushButtonParamDescriptor* selectionToCurveButtonRGB = desc.definePushButtonParam(kButtonSelectionToCurveRGB);
		selectionToCurveButtonRGB->setLabel(kButtonSelectionToCurveRGBLabel);
		selectionToCurveButtonRGB->setHint("Load selected RGB curves with selection data. \n Warning : the curves may not be refreshed click on overlay to refresh.");
		selectionToCurveButtonRGB->setParent(groupRGB);
		
		//Append selection to curves button (RGB)
		OFX::PushButtonParamDescriptor* appendSelectionToCurveRGB = desc.definePushButtonParam(kButtonAppendSelectionToCurveRGB);
		appendSelectionToCurveRGB->setLabel(kButtonAppendSelectionToCurveRGBLabel);				//add label
		appendSelectionToCurveRGB->setHint("Append current selection to selected RGB channels");//help
		appendSelectionToCurveRGB->setParent(groupRGB);											//add to RGB group
		
		//Clean Button (HSL)
		OFX::PushButtonParamDescriptor* resetButtonHSL = desc.definePushButtonParam(kButtonResetHSL);
		resetButtonHSL->setLabel(kButtonResetHSLLabel);
		resetButtonHSL->setLayoutHint( OFX::eLayoutHintNoNewLine ); //line is not finished
		resetButtonHSL->setHint("Reset the selected HSL curves \n Warning : the curves may not be refreshed click on overlay to refresh.");
		resetButtonHSL->setParent(groupHSL);
		
		//Selection To Curves Button (HSL)
		OFX::PushButtonParamDescriptor* selectionToCurveButtonHSL = desc.definePushButtonParam(kButtonSelectionToCurveHSL);
		selectionToCurveButtonHSL->setLabel(kButtonSelectionToCurveHSLLabel);
		selectionToCurveButtonHSL->setHint("Load selected HSL curves with selection data. \n Warning : the curves may not be refreshed click on overlay to refresh.");
		selectionToCurveButtonHSL->setParent(groupHSL);
		
		//Append selection to curves button (HSL)
		OFX::PushButtonParamDescriptor* appendSelectionToCurveHSL = desc.definePushButtonParam(kButtonAppendSelectionToCurveHSL);
		appendSelectionToCurveHSL->setLabel(kButtonAppendSelectionToCurveHSLLabel);				//add label
		appendSelectionToCurveHSL->setHint("Append current selection to selected HSL channels");//help
		appendSelectionToCurveHSL->setParent(groupHSL);											//add to HSL group
		
		
		//Close RGB group (group states by default on screen)
		groupRGB->setOpen(false);
		groupHSL->setOpen(true);
	}
	
	//Selection group
	{
		OFX::GroupParamDescriptor *groupSelection = desc.defineGroupParam(kGroupSelection);
		groupSelection->setLabel(kGroupSelectionLabel);
		groupSelection->setOpen(false);
		groupSelection->setAsTab();
		//display selection
		OFX::BooleanParamDescriptor* boolDisplaySelection = desc.defineBooleanParam(kBoolSelection);
		boolDisplaySelection->setDefault(true);
		boolDisplaySelection->setEvaluateOnChange(false);// don't need to recompute on change
		boolDisplaySelection->setHint("Display the selected zone on screen.");
		boolDisplaySelection->setParent(groupSelection);
		//clear selection
		OFX::PushButtonParamDescriptor* resetSelectionButton = desc.definePushButtonParam(kButtonResetSelection);
		resetSelectionButton->setLabel(kButtonResetSelectionLabel);
		resetSelectionButton->setHint("Reset user's selection.");
		resetSelectionButton->setParent(groupSelection);
		//selection mode
		OFX::ChoiceParamDescriptor* selectionMode = desc.defineChoiceParam(kSelectionModeListParamLabel);
		selectionMode->setLabel(kSelectionModeListParamLabel);
		selectionMode->setHint( "Selection mode \n - unique : reset past selection before selection \n - additive : add pixels to current selection \n -subtractive : remote pixel from current selection");
		selectionMode->appendOption(kSelectionModeListParamOpt2);
		selectionMode->appendOption(kSelectionModeListParamOpt1);
		selectionMode->appendOption(kSelectionModeListParamOpt3);
		selectionMode->setParent(groupSelection);
		//Precision of selection to curve
		OFX::IntParamDescriptor* precisionSelectionToCurve = desc.defineIntParam(kprecisionCurveFromSelection);
		precisionSelectionToCurve->setLabel(kprecisionCurveFromSelectionLabel);
		precisionSelectionToCurve->setHint("Determinate curve from selection precision.");
		precisionSelectionToCurve->setRange(1, 1000);
		precisionSelectionToCurve->setDisplayRange(1, 300.0 );
		precisionSelectionToCurve->setDefault(curveFromSelection);
		precisionSelectionToCurve->setEvaluateOnChange(false); // don't need to recompute on change
		precisionSelectionToCurve->setParent(groupSelection);
	}
	
	//Histogram overlay group
	{
		OFX::GroupParamDescriptor *groupHistogramOverlay = desc.defineGroupParam(kGroupHistogramOverlay);
		groupHistogramOverlay->setLabel(kGroupHistogramOverlayLabel);
		groupHistogramOverlay->setOpen(true);
		groupHistogramOverlay->setAsTab();

		//Histogram display settings
		OFX::ChoiceParamDescriptor* gammaType = desc.defineChoiceParam(kHistoDisplayListParamLabel);
		gammaType->setLabel(kHistoDisplayListParamLabel);
		gammaType->setEvaluateOnChange(false); // don't need to recompute on change
		gammaType->setHint("Histogram display \n -global : normalize all of channels \n -by channel : keep proportions between channels");
		gammaType->appendOption(kHistoDisplayListParamOpt2);
		gammaType->appendOption(kHistoDisplayListParamOpt1);
		gammaType->setParent(groupHistogramOverlay);	

		//Clean all Button
		OFX::PushButtonParamDescriptor* resetButtonAll = desc.definePushButtonParam(kButtonResetAll);
		resetButtonAll->setLabel(kButtonResetAllLabel);
		resetButtonAll->setHint("Reset all curves. \n Waring : the curves may not be refreshed click on overlay to refresh.");
		resetButtonAll->setParent(groupHistogramOverlay);
	}
	
	///Advanced group
	{
		OFX::GroupParamDescriptor *groupAdvanced = desc.defineGroupParam(kGroupAdvanced);
		groupAdvanced->setLabel(kGroupAdvancedLabel);
		groupAdvanced->setOpen(false);
		groupAdvanced->setAsTab();
		
		//nbOfstep (advanced group)
		OFX::IntParamDescriptor* nbStepRange = desc.defineIntParam(knbStepRange);
		nbStepRange->setLabel(knbStepRangeLabel);
		nbStepRange->setHint("Determinate histogram overlay precision.");
		nbStepRange->setRange(1, 1000);
		nbStepRange->setDisplayRange(1, 600.0 );
		nbStepRange->setDefault(255);
		nbStepRange->setEvaluateOnChange(false); // don't need to recompute on change
		nbStepRange->setParent(groupAdvanced);
		//selection multiplier (advanced group)
		OFX::DoubleParamDescriptor* selectionMultiplier = desc.defineDoubleParam(kselectionMultiplier);
		selectionMultiplier->setLabel(kselectionMultiplierLabel);
		selectionMultiplier->setHint("With high values, small selection are more visible.");
		selectionMultiplier->setRange(0.001,1000.0);
		selectionMultiplier->setDisplayRange(0.0, 100.0 );
		selectionMultiplier->setDefault(2.0);
		selectionMultiplier->setEvaluateOnChange(false); // don't need to recompute on change
		selectionMultiplier->setParent(groupAdvanced);

		//Refresh histograms overlay Button
		OFX::PushButtonParamDescriptor* refreshOverlayButton = desc.definePushButtonParam(kButtonRefreshOverlay);
		refreshOverlayButton->setLabel(kButtonRefreshOverlayLabel);
		refreshOverlayButton->setHint("Refresh histogram overlay.");
		refreshOverlayButton->setParent(groupAdvanced);
		
		//clamp values to 0 and 1
		OFX::BooleanParamDescriptor* clampCurveValues = desc.defineBooleanParam(kBoolClampValues);
		clampCurveValues->setHint("Clamp curve value : values superior to 1 or inferior to 0 will be clamp in process.");
		clampCurveValues->setDefault(true);
		clampCurveValues->setParent(groupAdvanced);
	}
	//Output settings
	OFX::ChoiceParamDescriptor* outputType = desc.defineChoiceParam(kOutputListParamLabel);
	outputType->setLabel(kOutputListParamLabel);
	outputType->setHint( "Output type \n Alpha channel or Black and White");
	outputType->appendOption(kOutputListParamOpt1);
	outputType->appendOption(kOutputListParamOpt2);
	outputType->setLayoutHint( OFX::eLayoutHintNoNewLine ); //line is not finished

	//Reverse mask
	OFX::BooleanParamDescriptor* boolReverseMask = desc.defineBooleanParam(kBoolReverseMask);
	boolReverseMask->setDefault(false);
	boolReverseMask->setHint("Revert alpha mask");
}
Example #3
0
void InvertPluginFactory::describeInContext(OFX::ImageEffectDescriptor &desc, OFX::ContextEnum context)
{
    // Source clip only in the filter context
    // create the mandated source clip
    ClipDescriptor *srcClip = desc.defineClip(kOfxImageEffectSimpleSourceClipName);
    srcClip->addSupportedComponent(ePixelComponentRGBA);
    srcClip->addSupportedComponent(ePixelComponentRGB);
    srcClip->addSupportedComponent(ePixelComponentAlpha);
    srcClip->setTemporalClipAccess(false);
    srcClip->setSupportsTiles(true);
    srcClip->setIsMask(false);
    
    // create the mandated output clip
    ClipDescriptor *dstClip = desc.defineClip(kOfxImageEffectOutputClipName);
    dstClip->addSupportedComponent(ePixelComponentRGBA);
    dstClip->addSupportedComponent(ePixelComponentRGB);
    dstClip->addSupportedComponent(ePixelComponentAlpha);
    dstClip->setSupportsTiles(true);

    if (context == eContextGeneral || context == eContextPaint) {
        ClipDescriptor *maskClip = context == eContextGeneral ? desc.defineClip("Mask") : desc.defineClip("Brush");
        maskClip->addSupportedComponent(ePixelComponentAlpha);
        maskClip->setTemporalClipAccess(false);
        if (context == eContextGeneral) {
            maskClip->setOptional(true);
        }
        maskClip->setSupportsTiles(true);
        maskClip->setIsMask(true);
    }

    // make some pages and to things in
    PageParamDescriptor *page = desc.definePageParam("Controls");

    OFX::BooleanParamDescriptor* processR = desc.defineBooleanParam(kParamProcessR);
    processR->setLabels(kParamProcessRLabel, kParamProcessRLabel, kParamProcessRLabel);
    processR->setHint(kParamProcessRHint);
    processR->setDefault(true);
    processR->setLayoutHint(eLayoutHintNoNewLine);
    page->addChild(*processR);

    OFX::BooleanParamDescriptor* processG = desc.defineBooleanParam(kParamProcessG);
    processG->setLabels(kParamProcessGLabel, kParamProcessGLabel, kParamProcessGLabel);
    processG->setHint(kParamProcessGHint);
    processG->setDefault(true);
    processG->setLayoutHint(eLayoutHintNoNewLine);
    page->addChild(*processG);

    OFX::BooleanParamDescriptor* processB = desc.defineBooleanParam( kParamProcessB );
    processB->setLabels(kParamProcessBLabel, kParamProcessBLabel, kParamProcessBLabel);
    processB->setHint(kParamProcessBHint);
    processB->setDefault(true);
    processB->setLayoutHint(eLayoutHintNoNewLine);
    page->addChild(*processB);

    OFX::BooleanParamDescriptor* processA = desc.defineBooleanParam( kParamProcessA );
    processA->setLabels(kParamProcessALabel, kParamProcessALabel, kParamProcessALabel);
    processA->setHint(kParamProcessAHint);
    processA->setDefault(true);
    page->addChild(*processA);

    ofxsMaskMixDescribeParams(desc, page);
}
/**
 * @brief Function called to describe the plugin controls and features.
 * @param[in, out]   desc       Effect descriptor
 * @param[in]        context    Application context
 */
void HistogramPluginFactory::describeInContext( OFX::ImageEffectDescriptor& desc,OFX::EContext context )
{
	
	OFX::ClipDescriptor* srcClip = desc.defineClip( kOfxImageEffectSimpleSourceClipName );
	srcClip->addSupportedComponent( OFX::ePixelComponentRGBA );
	srcClip->addSupportedComponent( OFX::ePixelComponentRGB );
	srcClip->addSupportedComponent( OFX::ePixelComponentAlpha );
	srcClip->setSupportsTiles( kSupportTiles );

	OFX::ClipDescriptor* dstClip = desc.defineClip( kOfxImageEffectOutputClipName );
	dstClip->addSupportedComponent( OFX::ePixelComponentRGBA );
	dstClip->addSupportedComponent( OFX::ePixelComponentRGB );
	dstClip->addSupportedComponent( OFX::ePixelComponentAlpha );
	dstClip->setSupportsTiles( kSupportTiles );

	//global display
	OFX::BooleanParamDescriptor* boolGLOBAL = desc.defineBooleanParam(kGlobalDisplay);
	boolGLOBAL->setHint("Display global overlay on screen.");
	boolGLOBAL->setDefault(true);
	
    // RGB / HSL
	{
		//Group Param (RGB & HSL)
		OFX::GroupParamDescriptor *groupRGB = desc.defineGroupParam(kGroupRGB);
		groupRGB->setLabel(kGroupRGBLabel);
		OFX::GroupParamDescriptor *groupHSL = desc.defineGroupParam(kGroupHSL);
		groupHSL->setLabel(kGroupHSLLabel);

		//Channels checkboxes (RGB)
		OFX::BooleanParamDescriptor* boolR = desc.defineBooleanParam(kBoolRed);
		boolR->setDefault(true);							//red channel is not selected by default
		boolR->setHint("Activate Red channel");
		boolR->setLayoutHint( OFX::eLayoutHintNoNewLine ); //line is not finished
		boolR->setParent(groupRGB);
		//red multiplier
		OFX::DoubleParamDescriptor* redMultiplier = desc.defineDoubleParam(kMultiplierRed);
		redMultiplier->setLabel(kMultiplierLabel);
		redMultiplier->setHint("Determinate curve from selection precision.");
		redMultiplier->setRange(1, 1000);
		redMultiplier->setDisplayRange(0,5);
		redMultiplier->setDefault(1);
		redMultiplier->setParent(groupRGB);
		
		OFX::BooleanParamDescriptor* boolG = desc.defineBooleanParam(kBoolGreen);
		boolG->setDefault(true);						//green channel is not selected by default
		boolG->setHint("Activate Green channel");
		boolG->setLayoutHint( OFX::eLayoutHintNoNewLine ); //line is not finished
		boolG->setParent(groupRGB);
		//green multiplier
		OFX::DoubleParamDescriptor* greenMultiplier = desc.defineDoubleParam(kMultiplierGreen);
		greenMultiplier->setLabel(kMultiplierLabel);
		greenMultiplier->setHint("Determinate curve from selection precision.");
		greenMultiplier->setRange(1, 1000);
		greenMultiplier->setDisplayRange(0,5);
		greenMultiplier->setDefault(1);
		greenMultiplier->setParent(groupRGB);
		
		OFX::BooleanParamDescriptor* boolB = desc.defineBooleanParam(kBoolBlue);
		boolB->setHint("Activate Blue channel");
		boolB->setLayoutHint( OFX::eLayoutHintNoNewLine ); //line is not finished
		boolB->setDefault(true);						   //blue channel is not selected by default
		boolB->setParent(groupRGB);
		//blue multiplier
		OFX::DoubleParamDescriptor* blueMultiplier = desc.defineDoubleParam(kMultiplierBlue);
		blueMultiplier->setLabel(kMultiplierLabel);
		blueMultiplier->setHint("Determinate curve from selection precision.");
		blueMultiplier->setRange(1, 1000);
		blueMultiplier->setDisplayRange(0,5);
		blueMultiplier->setDefault(1);
		blueMultiplier->setParent(groupRGB);
		
		//Channels check box (HSL)
		OFX::BooleanParamDescriptor* boolH = desc.defineBooleanParam(kBoolHue);
		boolH->setDefault(true);
		boolH->setHint("Activate Hue channel");
		boolH->setLayoutHint( OFX::eLayoutHintNoNewLine ); //line is not finished
		boolH->setParent(groupHSL);
		//Hue multiplier
		OFX::DoubleParamDescriptor* hueMultiplier = desc.defineDoubleParam(kMultiplierHue);
		hueMultiplier->setLabel(kMultiplierLabel);
		hueMultiplier->setHint("Determinate curve from selection precision.");
		hueMultiplier->setRange(1, 1000);
		hueMultiplier->setDisplayRange(0,5);
		hueMultiplier->setDefault(1);
		hueMultiplier->setParent(groupHSL);
		
		OFX::BooleanParamDescriptor* boolS = desc.defineBooleanParam(kBoolSaturation);
		boolS->setDefault(true);
		boolS->setHint("Activate Saturation channel");
		boolS->setLayoutHint( OFX::eLayoutHintNoNewLine ); //line is not finished
		boolS->setParent(groupHSL);
		//Saturation multiplier
		OFX::DoubleParamDescriptor* saturationMultiplier = desc.defineDoubleParam(kMultiplierSaturation);
		saturationMultiplier->setLabel(kMultiplierLabel);
		saturationMultiplier->setHint("Determinate curve from selection precision.");
		saturationMultiplier->setRange(1, 1000);
		saturationMultiplier->setDisplayRange(0,5);
		saturationMultiplier->setDefault(1);
		saturationMultiplier->setParent(groupHSL);
		
		OFX::BooleanParamDescriptor* boolL = desc.defineBooleanParam(kBoolLightness);
		boolL->setHint("Activate Lightness channel");
		boolL->setLayoutHint( OFX::eLayoutHintNoNewLine ); //line is not finished
		boolL->setDefault(true);
		boolL->setParent(groupHSL);
		//Lightness multiplier
		OFX::DoubleParamDescriptor* lightnessMultiplier = desc.defineDoubleParam(kMultiplierLightness);
		lightnessMultiplier->setLabel(kMultiplierLabel);
		lightnessMultiplier->setHint("Determinate curve from selection precision.");
		lightnessMultiplier->setRange(1, 1000);
		lightnessMultiplier->setDisplayRange(0,5);
		lightnessMultiplier->setDefault(1);
		lightnessMultiplier->setParent(groupHSL);
		
		//Close RGB group (group states by default on screen)
		groupRGB->setOpen(true);
		groupHSL->setOpen(true);
	}
	
	//Histogram overlay group
	{
		OFX::GroupParamDescriptor *groupHistogramOverlay = desc.defineGroupParam(kGroupHistogramOverlay);
		groupHistogramOverlay->setLabel(kGroupHistogramOverlayLabel);
		groupHistogramOverlay->setOpen(true);
//		groupHistogramOverlay->setAsTab();

		//Histogram display settings
		OFX::ChoiceParamDescriptor* gammaType = desc.defineChoiceParam(kHistoDisplayListParamLabel);
		gammaType->setLabel(kHistoDisplayListParamLabel);
		gammaType->setEvaluateOnChange(false); // don't need to recompute on change
		gammaType->setHint("Histogram display \n -global : normalize all of channels \n -by channel : keep proportions between channels");
		gammaType->appendOption(kHistoDisplayListParamOpt2);
		gammaType->appendOption(kHistoDisplayListParamOpt1);
		gammaType->setParent(groupHistogramOverlay);	

		//nbOfstep (advanced group)
		OFX::IntParamDescriptor* nbStepRange = desc.defineIntParam(knbStepRange);
		nbStepRange->setLabel(knbStepRangeLabel);
		nbStepRange->setHint("Determinate histogram overlay precision.");
		nbStepRange->setRange(1, 1000);
		nbStepRange->setDisplayRange(1, 600.0 );
		nbStepRange->setDefault(255);
		nbStepRange->setEvaluateOnChange(false); // don't need to recompute on change
		nbStepRange->setParent(groupHistogramOverlay);

		//selection multiplier (advanced group)
		OFX::DoubleParamDescriptor* selectionMultiplier = desc.defineDoubleParam(kselectionMultiplier);
		selectionMultiplier->setLabel(kselectionMultiplierLabel);
		selectionMultiplier->setHint("With high values, small selection are more visible.");
		selectionMultiplier->setRange(0.001,1000.0);
		selectionMultiplier->setDisplayRange(0.0, 100.0 );
		selectionMultiplier->setDefault(2.0);
		selectionMultiplier->setEvaluateOnChange(false); // don't need to recompute on change
		selectionMultiplier->setParent(groupHistogramOverlay);

		//Refresh histograms overlay Button
		OFX::PushButtonParamDescriptor* refreshOverlayButton = desc.definePushButtonParam(kButtonRefreshOverlay);
		refreshOverlayButton->setLabel(kButtonRefreshOverlayLabel);
		refreshOverlayButton->setHint("Refresh histogram overlay.");
		refreshOverlayButton->setParent(groupHistogramOverlay);
	}
	
	//Selection group
	{
		OFX::GroupParamDescriptor *groupSelection = desc.defineGroupParam(kGroupSelection);
		groupSelection->setLabel(kGroupSelectionLabel);
		groupSelection->setOpen(false);
//		groupSelection->setAsTab();
		//display selection
		OFX::BooleanParamDescriptor* boolDisplaySelection = desc.defineBooleanParam(kBoolSelection);
		boolDisplaySelection->setDefault(true);
		boolDisplaySelection->setEvaluateOnChange(false);// don't need to recompute on change
		boolDisplaySelection->setHint("Display the selected zone on screen.");
		boolDisplaySelection->setParent(groupSelection);
		//clear selection
		OFX::PushButtonParamDescriptor* resetSelectionButton = desc.definePushButtonParam(kButtonResetSelection);
		resetSelectionButton->setLabel(kButtonResetSelectionLabel);
		resetSelectionButton->setHint("Reset user's selection.");
		resetSelectionButton->setParent(groupSelection);
		//selection mode
		OFX::ChoiceParamDescriptor* selectionMode = desc.defineChoiceParam(kSelectionModeListParamLabel);
		selectionMode->setLabel(kSelectionModeListParamLabel);
		selectionMode->setHint( "Selection mode \n - unique : reset past selection before selection \n - additive : add pixels to current selection \n -subtractive : remote pixel from current selection");
		selectionMode->appendOption(kSelectionModeListParamOpt2);
		selectionMode->appendOption(kSelectionModeListParamOpt1);
		selectionMode->appendOption(kSelectionModeListParamOpt3);
		selectionMode->setParent(groupSelection);
	}
}