dox / Rendering
vtkVolumeTextureMapper2D.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkVolumeTextureMapper2D.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 =========================================================================*/
00041 #ifndef __vtkVolumeTextureMapper2D_h
00042 #define __vtkVolumeTextureMapper2D_h
00043 
00044 #include "vtkVolumeTextureMapper.h"
00045 
00046 class VTK_RENDERING_EXPORT vtkVolumeTextureMapper2D : public vtkVolumeTextureMapper
00047 {
00048 public:
00049   vtkTypeRevisionMacro(vtkVolumeTextureMapper2D,vtkVolumeTextureMapper);
00050   void PrintSelf( ostream& os, vtkIndent indent );
00051 
00052   static vtkVolumeTextureMapper2D *New();
00053   
00055 
00060   vtkSetVector2Macro( TargetTextureSize, int );
00061   vtkGetVector2Macro( TargetTextureSize, int );
00063   
00065 
00070   vtkSetMacro( MaximumNumberOfPlanes, int );
00071   vtkGetMacro( MaximumNumberOfPlanes, int );
00073 
00075 
00079   vtkSetMacro( MaximumStorageSize, int );
00080   vtkGetMacro( MaximumStorageSize, int );
00082   
00083 //BTX
00084 
00087   virtual void Render(vtkRenderer *, vtkVolume *) {};
00088 
00089   virtual void RenderQuads( int vtkNotUsed(count),
00090                             float *vtkNotUsed(v), float *vtkNotUsed(t),
00091                             unsigned char *vtkNotUsed(texture),
00092                             int vtkNotUsed(size)[2],
00093                             int vtkNotUsed(reverseFlag)) {};
00094 
00097   int GetInternalSkipFactor() {return this->InternalSkipFactor;};
00098   
00099   int *GetAxisTextureSize() {return &(this->AxisTextureSize[0][0]);};
00100 
00101   int GetSaveTextures() {return this->SaveTextures;};
00102 
00103   unsigned char *GetTexture() {return this->Texture;};
00104   
00105 //ETX
00106 
00107 
00108 protected:
00109   vtkVolumeTextureMapper2D();
00110   ~vtkVolumeTextureMapper2D();
00111 
00112   void InitializeRender( vtkRenderer *ren, vtkVolume *vol )
00113     {this->InitializeRender( ren, vol, -1 );}
00114   
00115   void InitializeRender( vtkRenderer *ren, vtkVolume *vol, int majorDirection );
00116 
00117   void GenerateTexturesAndRenderQuads( vtkRenderer *ren, vtkVolume *vol );
00118 
00119   int  MajorDirection;
00120   int  TargetTextureSize[2];
00121 
00122   int  MaximumNumberOfPlanes;
00123   int  InternalSkipFactor;
00124   int  MaximumStorageSize;
00125   
00126   unsigned char  *Texture;
00127   int             TextureSize;
00128   int             SaveTextures;
00129   vtkTimeStamp    TextureMTime;
00130   
00131   int             AxisTextureSize[3][3];
00132   void            ComputeAxisTextureSize( int axis, int *size );
00133   
00134   void           RenderSavedTexture();
00135   
00136 private:
00137   vtkVolumeTextureMapper2D(const vtkVolumeTextureMapper2D&);  // Not implemented.
00138   void operator=(const vtkVolumeTextureMapper2D&);  // Not implemented.
00139 };
00140 
00141 
00142 #endif
00143 
00144