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 PrintPluginFactory::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 );

	// Create the mandated output clip
	OFX::ClipDescriptor* dstClip = desc.defineClip( kOfxImageEffectOutputClipName );
	dstClip->addSupportedComponent( OFX::ePixelComponentRGBA );
	dstClip->addSupportedComponent( OFX::ePixelComponentRGB );
	dstClip->addSupportedComponent( OFX::ePixelComponentAlpha );
	dstClip->setSupportsTiles( kSupportTiles );

	OFX::ChoiceParamDescriptor* mode = desc.defineChoiceParam( kParamMode );
	mode->setLabel( "Mode" );
	mode->appendOption( kParamModeImage );
	mode->appendOption( kParamModeRegion );
	mode->appendOption( kParamModePixel );

	OFX::Int2DParamDescriptor* pixel = desc.defineInt2DParam( kParamPixel );
	pixel->setLabel( "Pixel" );
	pixel->setDisplayRange( 0, 0, 2000, 2000 );

	OFX::Int2DParamDescriptor* regionMin = desc.defineInt2DParam( kParamRegionMin );
	regionMin->setLabel( "Region min" );
	regionMin->setDisplayRange( 0, 0, 2000, 2000 );

	OFX::Int2DParamDescriptor* regionMax = desc.defineInt2DParam( kParamRegionMax );
	regionMax->setLabel( "Region max" );
	regionMax->setDefault( 1,1 );
	regionMax->setDisplayRange( 0, 0, 2000, 2000 );

        OFX::IntParamDescriptor* outputColumns = desc.defineIntParam( kParamColumns );
        outputColumns->setDefault(80);
        outputColumns->setDisplayRange(1,500);


        OFX::ChoiceParamDescriptor* colorType = desc.defineChoiceParam( kParamColor );
        colorType->appendOption( kParamColorMono );
        colorType->appendOption( kParamColorGray );
        colorType->appendOption( kParamColor8 );
        colorType->appendOption( kParamColor16 );
        colorType->appendOption( kParamColorFullGray );
        colorType->appendOption( kParamColorFull8 );
        colorType->appendOption( kParamColorFull16 );
        colorType->setLabel( "Color type for the output." );

	OFX::ChoiceParamDescriptor* output = desc.defineChoiceParam( kParamOutput );
	output->setLabel( "Output" );
	output->appendOption( kParamOutputAscii );
	output->appendOption( kParamOutputNumeric );

	OFX::BooleanParamDescriptor* flip = desc.defineBooleanParam( kParamFlip );
	flip->setLabel( "Flip" );

        OFX::BooleanParamDescriptor* openGlWindow = desc.defineBooleanParam( kParamOutputOpenGL );
        openGlWindow->setLabel( "Show in OpenGL Window." );

}