vtkFXAAOptions.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkFXAAOptions.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/

#ifndef vtkFXAAOptions_h
#define vtkFXAAOptions_h

#include "vtkRenderingCoreModule.h" // For export macro
#include "vtkObject.h"

class VTKRENDERINGCORE_EXPORT vtkFXAAOptions: public vtkObject
{
public:
  enum DebugOption
  {
    FXAA_NO_DEBUG = 0,
    FXAA_DEBUG_SUBPIXEL_ALIASING,
    FXAA_DEBUG_EDGE_DIRECTION,
    FXAA_DEBUG_EDGE_NUM_STEPS,
    FXAA_DEBUG_EDGE_DISTANCE,
    FXAA_DEBUG_EDGE_SAMPLE_OFFSET,
    FXAA_DEBUG_ONLY_SUBPIX_AA,
    FXAA_DEBUG_ONLY_EDGE_AA
  };

  static vtkFXAAOptions* New();
  vtkTypeMacro(vtkFXAAOptions, vtkObject)
  virtual void PrintSelf(ostream &os, vtkIndent indent);


  vtkSetClampMacro(RelativeContrastThreshold, float, 0.f, 1.f)
  vtkGetMacro(RelativeContrastThreshold, float)


  vtkSetClampMacro(HardContrastThreshold, float, 0.f, 1.f)
  vtkGetMacro(HardContrastThreshold, float)


  vtkSetClampMacro(SubpixelBlendLimit, float, 0.f, 1.f)
  vtkGetMacro(SubpixelBlendLimit, float)


  vtkSetClampMacro(SubpixelContrastThreshold, float, 0.f, 1.f)
  vtkGetMacro(SubpixelContrastThreshold, float)


  vtkSetMacro(UseHighQualityEndpoints, bool)
  vtkGetMacro(UseHighQualityEndpoints, bool)
  vtkBooleanMacro(UseHighQualityEndpoints, bool)


  vtkSetClampMacro(EndpointSearchIterations, int, 0, VTK_INT_MAX)
  vtkGetMacro(EndpointSearchIterations, int)


  vtkSetMacro(DebugOptionValue, DebugOption)
  vtkGetMacro(DebugOptionValue, DebugOption)

protected:
  vtkFXAAOptions();
  ~vtkFXAAOptions();

  float RelativeContrastThreshold;
  float HardContrastThreshold;
  float SubpixelBlendLimit;
  float SubpixelContrastThreshold;
  int EndpointSearchIterations;
  bool UseHighQualityEndpoints;
  DebugOption DebugOptionValue;

private:
  vtkFXAAOptions(const vtkFXAAOptions&) VTK_DELETE_FUNCTION;
  void operator=(const vtkFXAAOptions&) VTK_DELETE_FUNCTION;
};

#endif // vtkFXAAOptions_h