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151 lines
4.6 KiB
C++
151 lines
4.6 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkVolumeTextureMapper.h
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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/**
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* @class vtkVolumeTextureMapper
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* @brief Abstract class for a volume mapper
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*
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*
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* vtkVolumeTextureMapper is the abstract definition of a volume mapper
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* that uses a texture mapping approach.
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*
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* @sa
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* vtkVolumeMapper
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*/
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#ifndef vtkVolumeTextureMapper_h
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#define vtkVolumeTextureMapper_h
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#include "vtkRenderingVolumeModule.h" // For export macro
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#include "vtkVolumeMapper.h"
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class vtkEncodedGradientEstimator;
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class vtkEncodedGradientShader;
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class vtkRenderWindow;
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class vtkRenderer;
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class vtkVolume;
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class VTKRENDERINGVOLUME_EXPORT vtkVolumeTextureMapper : public vtkVolumeMapper
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{
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public:
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vtkTypeMacro(vtkVolumeTextureMapper,vtkVolumeMapper);
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void PrintSelf( ostream& os, vtkIndent indent );
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//@{
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/**
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* Set / Get the gradient estimator used to estimate normals
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*/
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virtual void SetGradientEstimator( vtkEncodedGradientEstimator *gradest );
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vtkGetObjectMacro( GradientEstimator, vtkEncodedGradientEstimator );
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//@}
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//@{
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/**
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* Get the gradient shader.
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*/
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vtkGetObjectMacro( GradientShader, vtkEncodedGradientShader );
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//@}
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//@{
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/**
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* Allow access to the arrays / variables from the templated functions in the
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* subclasses.
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*/
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float *GetGradientOpacityArray(){return this->GradientOpacityArray;};
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unsigned char *GetRGBAArray(){return this->RGBAArray;};
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float *GetRedDiffuseShadingTable(){return this->RedDiffuseShadingTable;};
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float *GetGreenDiffuseShadingTable(){return this->GreenDiffuseShadingTable;};
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float *GetBlueDiffuseShadingTable(){return this->BlueDiffuseShadingTable;};
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float *GetRedSpecularShadingTable(){return this->RedSpecularShadingTable;};
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float *GetGreenSpecularShadingTable(){return this->GreenSpecularShadingTable;};
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float *GetBlueSpecularShadingTable(){return this->BlueSpecularShadingTable;};
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unsigned short *GetEncodedNormals(){return this->EncodedNormals;};
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unsigned char *GetGradientMagnitudes(){return this->GradientMagnitudes;};
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vtkGetMacro( Shade, int );
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vtkGetObjectMacro( RenderWindow, vtkRenderWindow );
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vtkGetVectorMacro( DataOrigin, double, 3 );
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vtkGetVectorMacro( DataSpacing, double, 3 );
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//@}
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/**
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* WARNING: INTERNAL METHOD - NOT INTENDED FOR GENERAL USE
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* DO NOT USE THIS METHOD OUTSIDE OF THE RENDERING PROCESS
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* Render the volume
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*/
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virtual void Render(vtkRenderer *ren, vtkVolume *vol)=0;
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//@{
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/**
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* WARNING: INTERNAL METHOD - NOT INTENDED FOR GENERAL USE
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* Values needed by the volume
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*/
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virtual float GetGradientMagnitudeScale();
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virtual float GetGradientMagnitudeBias();
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virtual float GetGradientMagnitudeScale(int)
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{ return this->GetGradientMagnitudeScale(); };
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virtual float GetGradientMagnitudeBias(int)
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{ return this->GetGradientMagnitudeBias(); };
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//@}
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/**
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* see vtkAlgorithm for details
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*/
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virtual int ProcessRequest(vtkInformation*,
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vtkInformationVector**,
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vtkInformationVector*);
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protected:
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vtkVolumeTextureMapper();
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~vtkVolumeTextureMapper();
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void InitializeRender( vtkRenderer *ren, vtkVolume *vol );
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void ReportReferences(vtkGarbageCollector*) VTK_OVERRIDE;
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// Objects / variables needed for shading / gradient magnitude opacity
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vtkEncodedGradientEstimator *GradientEstimator;
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vtkEncodedGradientShader *GradientShader;
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int Shade;
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float *GradientOpacityArray;
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unsigned char *RGBAArray;
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int ArraySize;
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int NumberOfComponents;
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float *RedDiffuseShadingTable;
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float *GreenDiffuseShadingTable;
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float *BlueDiffuseShadingTable;
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float *RedSpecularShadingTable;
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float *GreenSpecularShadingTable;
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float *BlueSpecularShadingTable;
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double DataOrigin[3];
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double DataSpacing[3];
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unsigned short *EncodedNormals;
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unsigned char *GradientMagnitudes;
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float SampleDistance;
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vtkRenderWindow *RenderWindow;
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private:
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vtkVolumeTextureMapper(const vtkVolumeTextureMapper&) VTK_DELETE_FUNCTION;
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void operator=(const vtkVolumeTextureMapper&) VTK_DELETE_FUNCTION;
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};
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#endif
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