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Rendering/vtkVolumeMapper.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkVolumeMapper.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 =========================================================================*/
00056 #ifndef __vtkVolumeMapper_h
00057 #define __vtkVolumeMapper_h
00058 
00059 #include "vtkAbstractMapper3D.h"
00060 #include "vtkImageData.h"
00061 
00062 class vtkRenderer;
00063 class vtkVolume;
00064 
00065 #define VTK_CROP_SUBVOLUME              0x0002000
00066 #define VTK_CROP_FENCE                  0x2ebfeba
00067 #define VTK_CROP_INVERTED_FENCE         0x5140145
00068 #define VTK_CROP_CROSS                  0x0417410
00069 #define VTK_CROP_INVERTED_CROSS         0x7be8bef
00070 
00071 class vtkWindow;
00072 
00073 class VTK_RENDERING_EXPORT vtkVolumeMapper : public vtkAbstractMapper3D
00074 {
00075 public:
00076   vtkTypeMacro(vtkVolumeMapper,vtkAbstractMapper3D);
00077   void PrintSelf( ostream& os, vtkIndent index );
00078 
00080   virtual void Update();
00081 
00083 
00084   void SetInput( vtkImageData * );
00085   vtkImageData *GetInput();
00087 
00089 
00091   vtkSetMacro(Cropping,int);
00092   vtkGetMacro(Cropping,int);
00093   vtkBooleanMacro(Cropping,int);
00095 
00097 
00100   vtkSetVector6Macro( CroppingRegionPlanes, float );
00101   vtkGetVectorMacro(  CroppingRegionPlanes, float, 6 );
00103 
00105 
00107   vtkGetVectorMacro( VoxelCroppingRegionPlanes, float, 6 );
00109   
00111 
00120   vtkSetClampMacro( CroppingRegionFlags, int, 0x0, 0x7ffffff );
00121   vtkGetMacro( CroppingRegionFlags, int );
00122   void SetCroppingRegionFlagsToSubVolume() 
00123     {this->SetCroppingRegionFlags( VTK_CROP_SUBVOLUME );};
00124   void SetCroppingRegionFlagsToFence() 
00125     {this->SetCroppingRegionFlags( VTK_CROP_FENCE );};
00126   void SetCroppingRegionFlagsToInvertedFence() 
00127     {this->SetCroppingRegionFlags( VTK_CROP_INVERTED_FENCE );};
00128   void SetCroppingRegionFlagsToCross() 
00129     {this->SetCroppingRegionFlags( VTK_CROP_CROSS );};
00130   void SetCroppingRegionFlagsToInvertedCross() 
00131     {this->SetCroppingRegionFlags( VTK_CROP_INVERTED_CROSS );};
00133 
00135 
00136   void SetRGBTextureInput( vtkImageData *rgbTexture );
00137   virtual vtkImageData *GetRGBTextureInput();
00139 
00141 
00143   virtual float *GetBounds();
00144   virtual void GetBounds(float bounds[6])
00145     { this->vtkAbstractMapper3D::GetBounds(bounds); };
00147 
00148 
00149 //BTX
00151   /*! WARNING: INTERNAL METHOD - NOT INTENDED FOR GENERAL USE */
00152   virtual float GetGradientMagnitudeScale() {return 1.0;};
00153   virtual float GetGradientMagnitudeBias()  {return 0.0;};
00155   
00156 
00159   virtual void Render(vtkRenderer *ren, vtkVolume *vol)=0;
00160 
00165   virtual void ReleaseGraphicsResources(vtkWindow *) {};
00166 //ETX
00167 
00168 
00169 protected:
00170   vtkVolumeMapper();
00171   ~vtkVolumeMapper();
00172 
00173   int                  Cropping;
00174   float                CroppingRegionPlanes[6];
00175   float                VoxelCroppingRegionPlanes[6];
00176   int                  CroppingRegionFlags;
00177   vtkTimeStamp         BuildTime;
00178   
00179   void ConvertCroppingRegionPlanesToVoxels();
00180   
00181 private:
00182   vtkVolumeMapper(const vtkVolumeMapper&);  // Not implemented.
00183   void operator=(const vtkVolumeMapper&);  // Not implemented.
00184 };
00185 
00186 
00187 #endif
00188 
00189 

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