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vtkOpenGLImageActor.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkOpenGLImageActor.h,v $
00005 
00006   Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
00007   All rights reserved.
00008   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
00009 
00010      This software is distributed WITHOUT ANY WARRANTY; without even
00011      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
00012      PURPOSE.  See the above copyright notice for more information.
00013 
00014 =========================================================================*/
00035 #ifndef __vtkOpenGLImageActor_h
00036 #define __vtkOpenGLImageActor_h
00037 
00038 #include "vtkImageActor.h"
00039 
00040 class vtkWindow;
00041 class vtkOpenGLRenderer;
00042 class vtkRenderWindow;
00043 
00044 class VTK_RENDERING_EXPORT vtkOpenGLImageActor : public vtkImageActor
00045 {
00046 public:
00047   static vtkOpenGLImageActor *New();
00048   vtkTypeRevisionMacro(vtkOpenGLImageActor,vtkImageActor);
00049   virtual void PrintSelf(ostream& os, vtkIndent indent);
00050 
00052   void Load(vtkRenderer *ren);
00053   
00055   void Render(vtkRenderer *ren);
00056 
00061   void ReleaseGraphicsResources(vtkWindow *);
00062 
00063 protected:
00064   vtkOpenGLImageActor();
00065   ~vtkOpenGLImageActor();
00066 
00067   unsigned char *MakeDataSuitable(int &xsize, int &ysize,
00068                                   int &release, int &reuseTexture);
00069 
00070   vtkTimeStamp   LoadTime;
00071   long          Index;
00072   vtkRenderWindow *RenderWindow;   // RenderWindow used for previous render
00073   double Coords[12];
00074   double TCoords[8];
00075   int TextureSize[2];
00076 private:
00077   vtkOpenGLImageActor(const vtkOpenGLImageActor&);  // Not implemented.
00078   void operator=(const vtkOpenGLImageActor&);  // Not implemented.
00079 };
00080 
00081 #endif