vtkOpenGL2ContextDevice2D.h

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

  Program:   Visualization Toolkit
  Module:    vtkOpenGL2ContextDevice2D.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 vtkOpenGL2ContextDevice2D_h
#define vtkOpenGL2ContextDevice2D_h

#include "vtkOpenGLContextDevice2D.h"

class VTKRENDERINGCONTEXTOPENGL_EXPORT vtkOpenGL2ContextDevice2D :
    public vtkOpenGLContextDevice2D
{
public:
  vtkTypeMacro(vtkOpenGL2ContextDevice2D, vtkOpenGLContextDevice2D);
  virtual void PrintSelf(ostream &os, vtkIndent indent);

  static vtkOpenGL2ContextDevice2D *New();

  static bool IsSupported(vtkViewport *viewport);


  virtual void DrawPointSprites(vtkImageData *sprite, float *points, int n,
                                unsigned char* colors = 0, int nc_comps = 0);

  virtual void DrawImage(float p[2], float scale, vtkImageData *image);

  void DrawImage(const vtkRectf& pos, vtkImageData *image);

  virtual void ReleaseGraphicsResources(vtkWindow *window);

protected:
  vtkOpenGL2ContextDevice2D();
  virtual ~vtkOpenGL2ContextDevice2D();

  virtual bool LoadExtensions(vtkOpenGLExtensionManager *m);

private:
  vtkOpenGL2ContextDevice2D(const vtkOpenGL2ContextDevice2D &); // Not implemented.
  void operator=(const vtkOpenGL2ContextDevice2D &);   // Not implemented.
};

#endif //vtkOpenGL2ContextDevice2D_h