vtkOpenGLImageMapper.h

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

  Program:   Visualization Toolkit
  Module:    vtkOpenGLImageMapper.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 vtkOpenGLImageMapper_h
#define vtkOpenGLImageMapper_h

#include "vtkRenderingOpenGL2Module.h" // For export macro
#include "vtkImageMapper.h"

class vtkActor2D;
class vtkTexturedActor2D;

class VTKRENDERINGOPENGL2_EXPORT vtkOpenGLImageMapper : public vtkImageMapper
{
public:
  static vtkOpenGLImageMapper *New();
  vtkTypeMacro(vtkOpenGLImageMapper, vtkImageMapper);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  void RenderOverlay(vtkViewport* viewport, vtkActor2D* actor) override
    { this->RenderStart(viewport, actor); }

  void RenderData(vtkViewport* viewport, vtkImageData* data,
                  vtkActor2D* actor) override;

  void DrawPixels(vtkViewport *vp, int width, int height, int numComponents, void *data);

  void ReleaseGraphicsResources(vtkWindow *) override;

protected:
  vtkOpenGLImageMapper();
  ~vtkOpenGLImageMapper() override;

  vtkTexturedActor2D *Actor;

private:
  vtkOpenGLImageMapper(const vtkOpenGLImageMapper&) = delete;
  void operator=(const vtkOpenGLImageMapper&) = delete;
};

#endif