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Rendering/vtkVolumeTextureMapper2D.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkVolumeTextureMapper2D.h,v $
00005   Language:  C++
00006 
00007 
00008 Copyright (c) 1993-2001 Ken Martin, Will Schroeder, Bill Lorensen 
00009 All rights reserved.
00010 
00011 Redistribution and use in source and binary forms, with or without
00012 modification, are permitted provided that the following conditions are met:
00013 
00014  * Redistributions of source code must retain the above copyright notice,
00015    this list of conditions and the following disclaimer.
00016 
00017  * Redistributions in binary form must reproduce the above copyright notice,
00018    this list of conditions and the following disclaimer in the documentation
00019    and/or other materials provided with the distribution.
00020 
00021  * Neither name of Ken Martin, Will Schroeder, or Bill Lorensen nor the names
00022    of any contributors may be used to endorse or promote products derived
00023    from this software without specific prior written permission.
00024 
00025  * Modified source versions must be plainly marked as such, and must not be
00026    misrepresented as being the original software.
00027 
00028 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
00029 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00030 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00031 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
00032 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00033 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
00034 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00035 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00036 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
00037 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00038 
00039 =========================================================================*/
00059 #ifndef __vtkVolumeTextureMapper2D_h
00060 #define __vtkVolumeTextureMapper2D_h
00061 
00062 #include "vtkVolumeTextureMapper.h"
00063 
00064 class VTK_RENDERING_EXPORT vtkVolumeTextureMapper2D : public vtkVolumeTextureMapper
00065 {
00066 public:
00067   vtkTypeMacro(vtkVolumeTextureMapper2D,vtkVolumeTextureMapper);
00068   void PrintSelf( ostream& os, vtkIndent index );
00069 
00070   static vtkVolumeTextureMapper2D *New();
00071   
00073 
00078   vtkSetVector2Macro( TargetTextureSize, int );
00079   vtkGetVector2Macro( TargetTextureSize, int );
00081   
00083 
00088   vtkSetMacro( MaximumNumberOfPlanes, int );
00089   vtkGetMacro( MaximumNumberOfPlanes, int );
00091 
00093 
00097   vtkSetMacro( MaximumStorageSize, int );
00098   vtkGetMacro( MaximumStorageSize, int );
00100   
00101 //BTX
00102 
00105   virtual void Render(vtkRenderer *, vtkVolume *) {};
00106 
00107   virtual void RenderQuads( int vtkNotUsed(count),
00108                             float *vtkNotUsed(v), float *vtkNotUsed(t),
00109                             unsigned char *vtkNotUsed(texture),
00110                             int vtkNotUsed(size)[2],
00111                             int vtkNotUsed(reverseFlag)) {};
00112 
00115   int GetInternalSkipFactor() {return this->InternalSkipFactor;};
00116   
00117   int *GetAxisTextureSize() {return &(this->AxisTextureSize[0][0]);};
00118 
00119   int GetSaveTextures() {return this->SaveTextures;};
00120 
00121   unsigned char *GetTexture() {return this->Texture;};
00122   
00123 //ETX
00124 
00125 
00126 protected:
00127   vtkVolumeTextureMapper2D();
00128   ~vtkVolumeTextureMapper2D();
00129 
00130   void InitializeRender( vtkRenderer *ren, vtkVolume *vol )
00131     {this->InitializeRender( ren, vol, -1 );}
00132   
00133   void InitializeRender( vtkRenderer *ren, vtkVolume *vol, int majorDirection );
00134 
00135   void GenerateTexturesAndRenderQuads( vtkRenderer *ren, vtkVolume *vol );
00136 
00137   int  MajorDirection;
00138   int  TargetTextureSize[2];
00139 
00140   int  MaximumNumberOfPlanes;
00141   int  InternalSkipFactor;
00142   int  MaximumStorageSize;
00143   
00144   unsigned char  *Texture;
00145   int             TextureSize;
00146   int             SaveTextures;
00147   vtkTimeStamp    TextureMTime;
00148   
00149   int             AxisTextureSize[3][3];
00150   void            ComputeAxisTextureSize( int axis, int *size );
00151   
00152   void           RenderSavedTexture();
00153   
00154 private:
00155   vtkVolumeTextureMapper2D(const vtkVolumeTextureMapper2D&);  // Not implemented.
00156   void operator=(const vtkVolumeTextureMapper2D&);  // Not implemented.
00157 };
00158 
00159 
00160 #endif
00161 
00162 

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