/**
 * @brief Function called to describe the plugin controls and features.
 * @param[in, out]   desc       Effect descriptor
 * @param[in]        context    Application context
 */
void LensDistortPluginFactory::describeInContext( OFX::ImageEffectDescriptor& desc, OFX::EContext context )
{
	// Create the mandated output clip
	OFX::ClipDescriptor* dstClip = desc.defineClip( kOfxImageEffectOutputClipName );

	dstClip->addSupportedComponent( OFX::ePixelComponentRGBA );
	dstClip->addSupportedComponent( OFX::ePixelComponentAlpha );
	dstClip->setSupportsTiles( true );

	// create the mandated source clip
	OFX::ClipDescriptor* srcClip = desc.defineClip( kOfxImageEffectSimpleSourceClipName );
	srcClip->addSupportedComponent( OFX::ePixelComponentRGBA );
	srcClip->addSupportedComponent( OFX::ePixelComponentAlpha );
	srcClip->setSupportsTiles( true );

	// declare an optional clip reference for RoD
	OFX::ClipDescriptor* srcRefClip = desc.defineClip( kClipOptionalSourceRef );
	srcRefClip->addSupportedComponent( OFX::ePixelComponentRGBA );
	srcRefClip->addSupportedComponent( OFX::ePixelComponentAlpha );
	srcRefClip->setSupportsTiles( true );
	srcRefClip->setOptional( true );
	srcRefClip->setLabel( "ref" );

	OFX::BooleanParamDescriptor* reverse = desc.defineBooleanParam( kParamReverse );
	reverse->setLabel( "Reverse" );
	reverse->setDefault( false );
	reverse->setHint( "Invert the effect.\n"
	                  "Distort becomes undistort, and vice versa." );

	// Controls
	OFX::BooleanParamDescriptor* displaySource = desc.defineBooleanParam( kParamDisplaySource );
	displaySource->setLabel( "displaySource" );
	displaySource->setDefault( false );
	displaySource->setHint( "Display the image source (usefull to parameter the distortion with lines overlays on the source image)." );

	OFX::ChoiceParamDescriptor* lensType = desc.defineChoiceParam( kParamLensType );
	lensType->setLabel( "Lens type" );
	lensType->appendOption( kParamLensTypeStandard );
	#ifndef TUTTLE_PRODUCTION
	lensType->appendOption( kParamLensTypeFishEye ); // not implemented yet...
	lensType->appendOption( kParamLensTypeAdvanced ); // not implemented yet...
	lensType->setIsSecret( true );
	#endif
	lensType->setDefault( 0 );

	OFX::DoubleParamDescriptor* coef1 = desc.defineDoubleParam( kParamCoef1 );
	coef1->setScriptName( "Main" );
	coef1->setDefault( 0.1 );
	coef1->setDisplayRange( -1.0, 1.0 );
	coef1->setHint( "Main distortion coeffecient\n"
	                ">0 : Barrel distortion\n"
	                "<0 : Pincushion distortion\n"
	                );

	OFX::DoubleParamDescriptor* coef2 = desc.defineDoubleParam( kParamCoef2 );
	coef2->setLabel( "Secondary" );
	coef2->setDefault( 0.0 );
	coef2->setDisplayRange( -1.0, 1.0 );
	coef2->setHint( "Secondary distortion coeffecient (usefull for fisheyes only)\n"
	                ">0 : Barrel distortion\n"
	                "<0 : Pincushion distortion\n"
	                );
	#ifdef TUTTLE_PRODUCTION
	coef2->setIsSecret( true );
	#endif

	OFX::DoubleParamDescriptor* squeeze = desc.defineDoubleParam( kParamSqueeze );
	squeeze->setLabel( "Squeeze" );
	#ifdef TUTTLE_PRODUCTION
	squeeze->setIsSecret( true );
	#endif
	//    squeeze->setDoubleType( eDoubleTypeNormalisedX );
	squeeze->setDefault( 1.0 );
	squeeze->setRange( 0.00001, 1.0 );
	squeeze->setDisplayRange( 0.01, 1.0 );
	squeeze->setHint( "Squeeze distortion coeffecient (usefull for bad quality lens...)" );

	OFX::Double2DParamDescriptor* asymmetric = desc.defineDouble2DParam( kParamAsymmetric );
	asymmetric->setLabel( "Asymmetric" );
	#ifdef TUTTLE_PRODUCTION
	asymmetric->setIsSecret( true );
	#endif
	//    asymmetric->setDoubleType( eDoubleTypeNormalisedXY );
	asymmetric->setDefault( 0.0, 0.0 );
	asymmetric->setRange( 0.0, 0.0, 1.0, 1.0 );
	asymmetric->setDisplayRange( 0.0, 0.0, 1.0, 1.0 );
	asymmetric->setHint( "asymmetric distortion coeffecient (usefull for bad quality lens...)" );

	OFX::Double2DParamDescriptor* center = desc.defineDouble2DParam( kParamCenter );
	center->setLabel( "Center" );
	center->setDoubleType( OFX::eDoubleTypePlain );
	center->setDefault( 0.0, 0.0 );
	center->setDisplayRange( -1.0, -1.0, 1.0, 1.0 );
	center->setHint( "Center parameter allows you to shift the center of distortion." );

	OFX::BooleanParamDescriptor* centerOverlay = desc.defineBooleanParam( kParamCenterOverlay );
	centerOverlay->setLabel( "Display distortion center" );
	centerOverlay->setDefault( false );
	centerOverlay->setEvaluateOnChange( false );
	centerOverlay->setHint( "Active distortion center point overlay." );

	OFX::ChoiceParamDescriptor* centerType = desc.defineChoiceParam( kParamCenterType );
	centerType->setLabel( "Center type" );
	#ifdef TUTTLE_PRODUCTION
	centerType->setIsSecret( true );
	#endif
	centerType->appendOption( kParamCenterTypeSource );
	centerType->appendOption( kParamCenterTypeRoW );
	centerType->setDefault( 0 );
	centerType->setHint( "Centered on source or output image." );

	OFX::DoubleParamDescriptor* preScale = desc.defineDoubleParam( kParamPreScale );
	preScale->setLabel( "Pre-scale" );
	//    preScale->setDoubleType( eDoubleTypeNormalisedXY );
	preScale->setDefault( 1.0 );
	preScale->setRange( 0.00001, std::numeric_limits<double>::max() );
	preScale->setDisplayRange( 0.0, 2.5 );
	preScale->setHint( "If the transformation of optics is high, you may need to change the scale of the result to be globally closer to the source image or preserve a good resolution." );

	OFX::DoubleParamDescriptor* postScale = desc.defineDoubleParam( kParamPostScale );
	postScale->setLabel( "Post-scale" );
	//    scale->setDoubleType( eDoubleTypeNormalisedXY );
	postScale->setDefault( 1.0 );
	postScale->setRange( 0.00001, std::numeric_limits<double>::max() );
	postScale->setDisplayRange( 0.0, 2.5 );
	postScale->setHint( "If the transformation of optics is high, you may need to change the scale of the result to be globally closer to the source image or preserve a good resolution." );

	OFX::ChoiceParamDescriptor* interpolation = desc.defineChoiceParam( kParamInterpolation );
	interpolation->setLabel( "Interpolation" );
	interpolation->appendOption( kParamInterpolationNearest );
	interpolation->appendOption( kParamInterpolationBilinear );
	interpolation->setDefault( 1 );
	interpolation->setHint( "Interpolation method" );

	OFX::ChoiceParamDescriptor* resizeRod = desc.defineChoiceParam( kParamResizeRod );
	resizeRod->setLabel( "Resize RoD" );
	resizeRod->appendOption( kParamResizeRodNo );
	resizeRod->appendOption( kParamResizeRodSourceRef );
	resizeRod->appendOption( kParamResizeRodMin );
	resizeRod->appendOption( kParamResizeRodMax );
	resizeRod->appendOption( kParamResizeRodManual );
	resizeRod->setDefault( 0 );
	resizeRod->setHint( "Resize output RoD" );

	OFX::DoubleParamDescriptor* scaleRod = desc.defineDoubleParam( kParamResizeRodManualScale );
	scaleRod->setLabel( "Scale RoD" );
	//    scaleRod->setDoubleType( eDoubleTypeNormalisedXY );
	//    scaleRod->setIsSecret( true );
	//    scaleRod->setEnabled( false );
	scaleRod->setDefault( 1.0 );
	scaleRod->setRange( 0.0, std::numeric_limits<double>::max() );
	scaleRod->setDisplayRange( 0, 2.5 );
	scaleRod->setHint( "Adjust the output RoD." );

	OFX::GroupParamDescriptor* displayOptions = desc.defineGroupParam( kParamDisplayOptions );
	displayOptions->setLabel( "Display options" );
	displayOptions->setHint( "Display options (change nothing on the image)" );

	OFX::BooleanParamDescriptor* displayGrid = desc.defineBooleanParam( kParamGridOverlay );
	displayGrid->setLabel( "Display grid" );
	displayGrid->setParent( *displayOptions );
	displayGrid->setDefault( false );
	displayGrid->setEvaluateOnChange( false );
	displayGrid->setHint( "Display the grid" );

	OFX::Double2DParamDescriptor* gridCenter = desc.defineDouble2DParam( kParamGridCenter );
	gridCenter->setLabel( "Grid center" );
	gridCenter->setDoubleType( OFX::eDoubleTypePlain );
	gridCenter->setParent( *displayOptions );
	gridCenter->setDefault( 0.0, 0.0 );
	gridCenter->setDisplayRange( -1.0, -1.0, 1.0, 1.0 );
	gridCenter->setEvaluateOnChange( false );
	gridCenter->setHint( "Allows you to shift the center of the  display grid." );

	OFX::BooleanParamDescriptor* gridCenterOverlay = desc.defineBooleanParam( kParamGridCenterOverlay );
	gridCenterOverlay->setLabel( "Display grid center" );
	gridCenterOverlay->setParent( *displayOptions );
	gridCenterOverlay->setDefault( false );
	gridCenterOverlay->setEvaluateOnChange( false );
	gridCenterOverlay->setHint( "Active grid center point overlay." );

	OFX::Double2DParamDescriptor* gridScale = desc.defineDouble2DParam( kParamGridScale );
	gridScale->setLabel( "Grid scale" );
	gridScale->setDoubleType( OFX::eDoubleTypePlain );
	gridScale->setParent( *displayOptions );
	gridScale->setDefault( 1.0, 1.0 );
	gridScale->setDisplayRange( -10.0, -10.0, 10.0, 10.0 );
	gridScale->setEvaluateOnChange( false );
	gridScale->setHint( "Allows you to scale the display grid." );

	OFX::GroupParamDescriptor* debugOptions = desc.defineGroupParam( kParamDebugOptions );
	debugOptions->setLabel( "Debug options" );
	debugOptions->setHint( "Debug options" );
	debugOptions->setParent( *displayOptions );
	#ifdef TUTTLE_PRODUCTION
	debugOptions->setIsSecret( true );
	#endif

	OFX::BooleanParamDescriptor* debugDisplayRoi = desc.defineBooleanParam( kParamDebugDisplayRoi );
	debugDisplayRoi->setLabel( "Display RoI" );
	#ifdef TUTTLE_PRODUCTION
	debugDisplayRoi->setIsSecret( true );
	#endif
	debugDisplayRoi->setParent( *debugOptions );
	debugDisplayRoi->setDefault( false );
	debugDisplayRoi->setEvaluateOnChange( false );
	debugDisplayRoi->setHint( "Display RoI" );

	OFX::PushButtonParamDescriptor* helpButton = desc.definePushButtonParam( kParamHelp );
	helpButton->setLabel( "Help" );
}
void LensCalibrationPluginFactory::describeInContext(OFX::ImageEffectDescriptor& desc, OFX::ContextEnum context)
{
  //Input Clip
  OFX::ClipDescriptor *srcClip = desc.defineClip(kOfxImageEffectSimpleSourceClipName);
  srcClip->addSupportedComponent(OFX::ePixelComponentRGBA);
  srcClip->setTemporalClipAccess(false);
  srcClip->setSupportsTiles(false);
  srcClip->setIsMask(false);
  srcClip->setOptional(false);
  
  //Output clip
  OFX::ClipDescriptor *dstClip = desc.defineClip(kOfxImageEffectOutputClipName);
  dstClip->addSupportedComponent(OFX::ePixelComponentRGBA);
  dstClip->setSupportsTiles(false);
  
  //Calibration Group
  {
    OFX::GroupParamDescriptor *groupCalibration = desc.defineGroupParam(kParamGroupCalibration);
    groupCalibration->setLabel("Calibration");
    groupCalibration->setAsTab();

    {
      OFX::Int2DParamDescriptor *param = desc.defineInt2DParam(kParamImageSize);
      param->setLabel("Image Size");
      param->setHint("Input image size used to calibrate the optics. Obviously, all images should have the same size.");
      param->setDefault(0, 0);
      param->setDisplayRange(0, 0, 10000, 10000);
      param->setAnimates(false);
      param->setParent(*groupCalibration);
      param->setEnabled(false); // should not be edited by the user
    }

    {
      OFX::BooleanParamDescriptor *param = desc.defineBooleanParam(kParamInputImageIsGray);
      param->setLabel("Input image is gray");
      param->setHint("Input image is gray");
      param->setParent(*groupCalibration);
    }
    
    {
      OFX::ChoiceParamDescriptor *param = desc.defineChoiceParam(kParamPatternType);
      param->setLabel("Pattern Type");
      param->setHint("Type of pattern to detect");
      param->appendOptions(kStringParamPatternType);
      param->setDefault(eParamPatternTypeChessboard);
      param->setAnimates(false);
      param->setParent(*groupCalibration);
    }

    {
      OFX::Int2DParamDescriptor *param = desc.defineInt2DParam(kParamPatternSize);
      param->setLabel("Pattern Size");
      param->setHint("Number of inner corners per one of board dimension Width Height");
      param->setDefault(10, 7);
      param->setRange(2, 2, kOfxFlagInfiniteMax, kOfxFlagInfiniteMax);
      param->setDisplayRange(2, 2, 15, 15);
      param->setAnimates(false);
      param->setParent(*groupCalibration);
    }
    
    {
      OFX::DoubleParamDescriptor *param = desc.defineDoubleParam(kParamSquareSize);
      param->setLabel("Square Size");
      param->setHint("Define the size of the grid's square cells (mm)");
      param->setDisplayRange(0, 100);
      param->setDefault(1);
      param->setAnimates(false);
      param->setParent(*groupCalibration);
      param->setLayoutHint(OFX::eLayoutHintDivider);
    }

    {
      OFX::IntParamDescriptor *param = desc.defineIntParam(kParamNbRadialCoef);
      param->setLabel("Nb Radial Coef");
      param->setHint("Number of radial coefficient.");
      param->setRange(0, 6);
      param->setDisplayRange(0, 6);
      param->setDefault(3);
      param->setAnimates(false);
      param->setParent(*groupCalibration);
    }

    {
      OFX::IntParamDescriptor *param = desc.defineIntParam(kParamMaxFrames);
      param->setLabel("Max Frames");
      param->setHint("Maximal number of frames to extract from the video file.");
      param->setRange(0, kOfxFlagInfiniteMax);
      param->setDisplayRange(0, 1000);
      param->setDefault(0);
      param->setAnimates(false);
      param->setParent(*groupCalibration);
    }

    {
      OFX::IntParamDescriptor *param = desc.defineIntParam(kParamMaxCalibFrames);
      param->setLabel("Max Calibration Frames");
      param->setHint("Maximal number of frames to use to calibrate from the selected frames.");
      param->setRange(0, kOfxFlagInfiniteMax);
      param->setDisplayRange(0, 1000);
      param->setDefault(100);
      param->setAnimates(false);
      param->setParent(*groupCalibration);
    }

    {
      OFX::IntParamDescriptor *param = desc.defineIntParam(kParamCalibGridSize);
      param->setLabel("Max Calibration Grid Size");
      param->setHint("Define the number of cells per edge.");
      param->setRange(0, kOfxFlagInfiniteMax);
      param->setDisplayRange(0, 100);
      param->setDefault(10);
      param->setAnimates(false);
      param->setParent(*groupCalibration);
    }

    {
      OFX::IntParamDescriptor *param = desc.defineIntParam(kParamMinInputFrames);
      param->setLabel("Min Input Frames");
      param->setHint("Minimal number of frames to limit the calibration refinement loop.");
      param->setRange(0, kOfxFlagInfiniteMax);
      param->setDisplayRange(0, 1000);
      param->setDefault(10);
      param->setAnimates(false);
      param->setParent(*groupCalibration);
    }

    {
      OFX::DoubleParamDescriptor *param = desc.defineDoubleParam(kParamMaxTotalAvgErr);
      param->setLabel("Max Total Average Error");
      param->setHint("Maximal limit of the total average error");
      param->setRange(0, 1);
      param->setDisplayRange(0, 1);
      param->setDefault(0.1);
      param->setAnimates(false);
      param->setParent(*groupCalibration);
    }
    
    {
      OFX::PushButtonParamDescriptor *param = desc.definePushButtonParam(kParamCalibrate);
      param->setLabel("Calibrate");
      param->setHint("calibrate");
      param->setParent(*groupCalibration);
    }

  }

  //Output Group
  {
    OFX::GroupParamDescriptor *groupOutput = desc.defineGroupParam(kParamGroupOutput);
    groupOutput->setLabel("Output");
    groupOutput->setAsTab();
    
    {
      OFX::BooleanParamDescriptor *param = desc.defineBooleanParam(kParamOutputIsCalibrated);
      param->setLabel("Is calibrated");
      param->setHint("Is calibrated");
      param->setParent(*groupOutput);
    }
    
    {
      OFX::DoubleParamDescriptor *param = desc.defineDoubleParam(kParamOutputAvgReprojErr);
      param->setLabel("Average Reprojection Error");
      param->setDisplayRange(0, 10);
      param->setEvaluateOnChange(false);
      param->setEnabled(false);
      param->setAnimates(true);
      param->setParent(*groupOutput);
      param->setLayoutHint(OFX::eLayoutHintDivider);
    }
    
    {
      OFX::GroupParamDescriptor *groupCamera = desc.defineGroupParam(kParamOutputCameraGroup);
      groupCamera->setLabel("Intrinsics Camera Parameters");
      groupCamera->setParent(*groupOutput);
      groupCamera->setOpen(true);

      {
        OFX::DoubleParamDescriptor *param = desc.defineDoubleParam(kParamOutputFocalLenght);
        param->setLabel("Focal Length");
        param->setDisplayRange(1, 100);
        param->setAnimates(true);
        param->setEvaluateOnChange(false);
        param->setEnabled(false);
        param->setAnimates(false);
        param->setParent(*groupCamera);
      }

      {
        OFX::Double2DParamDescriptor *param = desc.defineDouble2DParam(kParamOutputPrincipalPointOffset);
        param->setLabel("Principal Point");
        param->setAnimates(true);
        param->setEvaluateOnChange(false);
        param->setEnabled(false);
        param->setAnimates(false);
        param->setParent(*groupCamera);
      }
    }
    
    {    
      OFX::GroupParamDescriptor *groupLensDistortion = desc.defineGroupParam(kParamOutputLensDistortionGroup);
      groupLensDistortion->setLabel("Lens Distortion Coefficients");
      groupLensDistortion->setParent(*groupOutput);
      groupLensDistortion->setOpen(true);
        
      {
        OFX::DoubleParamDescriptor *param = desc.defineDoubleParam(kParamOutputRadialCoef1);
        param->setLabel("Radial Coef1");
        param->setDisplayRange(0, 10);
        param->setAnimates(true);
        param->setEvaluateOnChange(false);
        param->setEnabled(false);
        param->setAnimates(false);
        param->setParent(*groupLensDistortion);
      }

      {
        OFX::DoubleParamDescriptor *param = desc.defineDoubleParam(kParamOutputRadialCoef2);
        param->setLabel("Radial Coef2");
        param->setDisplayRange(0, 10);
        param->setAnimates(true);
        param->setEvaluateOnChange(false);
        param->setEnabled(false);
        param->setAnimates(false);
        param->setParent(*groupLensDistortion);
      }

      {
        OFX::DoubleParamDescriptor *param = desc.defineDoubleParam(kParamOutputRadialCoef3);
        param->setLabel("Radial Coef3");
        param->setDisplayRange(0, 10);
        param->setAnimates(true);
        param->setEvaluateOnChange(false);
        param->setEnabled(false);
        param->setAnimates(false);
        param->setParent(*groupLensDistortion);
      }

      {
        OFX::DoubleParamDescriptor *param = desc.defineDoubleParam(kParamOutputTangentialCoef1);
        param->setLabel("Tangential Coef1");
        param->setDisplayRange(0, 10);
        param->setAnimates(true);
        param->setEvaluateOnChange(false);
        param->setEnabled(false);
        param->setAnimates(false);
        param->setParent(*groupLensDistortion);
      }

      {
        OFX::DoubleParamDescriptor *param = desc.defineDoubleParam(kParamOutputTangentialCoef2);
        param->setLabel("Tangential Coef2");
        param->setDisplayRange(0, 10);
        param->setAnimates(true);
        param->setEvaluateOnChange(false);
        param->setEnabled(false);
        param->setAnimates(false);
        param->setParent(*groupLensDistortion);
        param->setLayoutHint(OFX::eLayoutHintDivider);
      }
    }
    
    {
      OFX::PushButtonParamDescriptor *param = desc.definePushButtonParam(kParamOutputClear);
      param->setLabel("Clear");
      param->setHint("clear");
      param->setEnabled(false);
      param->setParent(*groupOutput);
    }
  }
  
  //Debug Group
  {
    OFX::GroupParamDescriptor *groupDebug = desc.defineGroupParam(kParamGroupDebug);
    groupDebug->setLabel("Debug");
    groupDebug->setAsTab();

    {
      OFX::BooleanParamDescriptor *param = desc.defineBooleanParam(kParamDebugEnable);
      param->setLabel("Enable Debug");
      param->setHint("Would you want to export undistorted images?");
      param->setParent(*groupDebug);
    }

    {
      OFX::StringParamDescriptor *param = desc.defineStringParam(kParamDebugRejectedImgFolder);
      param->setLabel("Rejected Frames");
      param->setHint("Folder to export delete images during the calibration refinement loop.");
      param->setStringType(OFX::eStringTypeDirectoryPath);
      param->setFilePathExists(true);
      param->setParent(*groupDebug);
    }

    {
      OFX::StringParamDescriptor *param = desc.defineStringParam(kParamDebugSelectedImgFolder);
      param->setLabel("Selected Frames");
      param->setHint("Folder to export debug images.");
      param->setStringType(OFX::eStringTypeDirectoryPath);
      param->setFilePathExists(true);
      param->setParent(*groupDebug);
    }
  }
}
/**
 * @brief Function called to describe the plugin controls and features.
 * @param[in, out]   desc       Effect descriptor
 * @param[in]        context    Application context
 */
void PinningPluginFactory::describeInContext( OFX::ImageEffectDescriptor& desc,
                                                  OFX::EContext context )
{

	OFX::ClipDescriptor* srcClip = desc.defineClip( kOfxImageEffectSimpleSourceClipName ); // clip de source nomme source
	//OFX::ClipDescriptor* toto = desc.defineClip( "toto" );
	srcClip->addSupportedComponent( OFX::ePixelComponentRGBA );	//proprietes de la source
	srcClip->addSupportedComponent( OFX::ePixelComponentAlpha );
	srcClip->setSupportsTiles( kSupportTiles );

	// Create the mandated output clip
	OFX::ClipDescriptor* dstClip = desc.defineClip( kOfxImageEffectOutputClipName ); 	//sortie, laisser comme ca et pi c'est tout
	dstClip->addSupportedComponent( OFX::ePixelComponentRGBA );
	dstClip->addSupportedComponent( OFX::ePixelComponentAlpha );
	dstClip->setSupportsTiles( kSupportTiles );

	OFX::GroupParamDescriptor* grpSrc = desc.defineGroupParam( kParamGroupSource );	//groupe source
	grpSrc->setLabel( "Points de départ" );
	grpSrc->setHint( "Selectionnez 4 points de départ" );

	OFX::Double2DParamDescriptor* src0 = desc.defineDouble2DParam( kParamPointSource + "0" );	//kpa... nom utilisé par le plug
	src0->setLabel( "src0" );	//nom que voit l'utilisateur	
	src0->setDefault( 0, 0 );
	src0->setParent(grpSrc);
	OFX::Double2DParamDescriptor* src1 = desc.defineDouble2DParam( kParamPointSource + "1" );
	src1->setLabel( "src1" );
	src1->setDefault( 0, 1 );
	src1->setParent(grpSrc);
	OFX::Double2DParamDescriptor* src2 = desc.defineDouble2DParam( kParamPointSource + "2" );
	src2->setLabel( "src2" );
	src2->setDefault( 1, 1 );
	src2->setParent(grpSrc);
	OFX::Double2DParamDescriptor* src3 = desc.defineDouble2DParam( kParamPointSource + "3" );
	src3->setLabel( "src3" );
	src3->setDefault( 1, 0 );
	src3->setParent(grpSrc);
	
	OFX::GroupParamDescriptor* grpDst = desc.defineGroupParam( kParamGroupDestination );	//groupe destination
	grpDst->setLabel( "Points d'arrivée" );
	grpDst->setHint( "Selectionnez 4 points d'arrivée" );

	OFX::Double2DParamDescriptor* dest0 = desc.defineDouble2DParam( kParamPointDestination + "0" );	//kpa... nom utilisé par le plug
	dest0->setLabel( "dst0" );	//nom que voit l'utilisateur	
	dest0->setDefault( 0, 0 );
	dest0->setParent(grpDst);
	OFX::Double2DParamDescriptor* dest1 = desc.defineDouble2DParam( kParamPointDestination + "1" );
	dest1->setLabel( "dst1" );
	dest1->setDefault( 0, 1 );
	dest1->setParent(grpDst);
	OFX::Double2DParamDescriptor* dest2 = desc.defineDouble2DParam( kParamPointDestination + "2" );
	dest2->setLabel( "dst2" );
	dest2->setDefault( 1, 1 );
	dest2->setParent(grpDst);
	OFX::Double2DParamDescriptor* dest3 = desc.defineDouble2DParam( kParamPointDestination + "3" );
	dest3->setLabel( "dst3" );
	dest3->setDefault( 1, 0 );
	dest3->setParent(grpDst);
	
	OFX::PushButtonParamDescriptor* helpButton = desc.definePushButtonParam( kParamHelpButton );	//cree un bouton help
	//helpButton->setHint( "bla bla" );
	helpButton->setLabel( "Help" );

	OFX::GroupParamDescriptor* displayOptions = desc.defineGroupParam( kParamDisplayOptions );
	displayOptions->setLabel( "Options d'affichage" );
	displayOptions->setHint( "Options d'affichage (Ne change rien sur l'image)" );

	OFX::BooleanParamDescriptor* displayGrid = desc.defineBooleanParam( kParamGridOverlay );
	displayGrid->setLabel( "Afficher la grille" );
	displayGrid->setParent( *displayOptions );
	displayGrid->setDefault( false );
	displayGrid->setEvaluateOnChange( false );
	displayGrid->setHint( "Afficher la grille" );

	OFX::Double2DParamDescriptor* gridCenter = desc.defineDouble2DParam( kParamGridCenter );
	gridCenter->setLabel( "Centre de la grille" );
	gridCenter->setDoubleType( OFX::eDoubleTypePlain );
	gridCenter->setParent( *displayOptions );
	gridCenter->setDefault( 0.0, 0.0 );
	gridCenter->setDisplayRange( -1.0, -1.0, 1.0, 1.0 );
	gridCenter->setEvaluateOnChange( false );
	gridCenter->setHint( "Allows you to shift the center of the  display grid." );

	OFX::Double2DParamDescriptor* center = desc.defineDouble2DParam( kParamCenter );
	center->setLabel( "Center" );
	center->setDoubleType( OFX::eDoubleTypePlain );
	center->setDefault( 0.0, 0.0 );
	center->setDisplayRange( -1.0, -1.0, 1.0, 1.0 );
	center->setHint( "Center parameter allows you to shift the center of distortion." );


	OFX::Double2DParamDescriptor* gridScale = desc.defineDouble2DParam( kParamGridScale );
	gridScale->setLabel( "Echelle de la grille" );
	gridScale->setDoubleType( OFX::eDoubleTypePlain );
	gridScale->setParent( *displayOptions );
	gridScale->setDefault( 1.0, 1.0 );
	gridScale->setDisplayRange( -10.0, -10.0, 10.0, 10.0 );
	gridScale->setEvaluateOnChange( false );
	gridScale->setHint( "Allows you to scale the display grid." );

																				//kParamhelpButton : appelle un pluging
	//OFX::PushButtonParamDescriptor* poussoir = desc.definePushButtonParam( kParamPoussoir );	//cree un bouton help
	//poussoir->setLabel( "poussoir" );
}