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/*=========================================================================
Program: Visualization Toolkit
Module: vtkVolumeTextureMapper2D.h
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
/**
* @class vtkVolumeTextureMapper2D
* @brief Abstract class for a volume mapper
*
*
* vtkVolumeTextureMapper2D renders a volume using 2D texture mapping.
*
* @sa
* vtkVolumeMapper
* @deprecated
*/
#ifndef vtkVolumeTextureMapper2D_h
#define vtkVolumeTextureMapper2D_h
#include "vtkRenderingVolumeModule.h" // For export macro
#include "vtkVolumeTextureMapper.h"
#if !defined(VTK_LEGACY_REMOVE)
class VTKRENDERINGVOLUME_EXPORT vtkVolumeTextureMapper2D : public vtkVolumeTextureMapper
{
public:
vtkTypeMacro(vtkVolumeTextureMapper2D,vtkVolumeTextureMapper);
void PrintSelf( ostream& os, vtkIndent indent );
static vtkVolumeTextureMapper2D *New();
//@{
/**
* Target size in pixels of each size of the texture for downloading. Default is
* 512x512 - so a 512x512 texture will be tiled with as many slices of the volume
* as possible, then all the quads will be rendered. This can be set to optimize
* for a particular architecture. This must be set with numbers that are a power
* of two.
*/
vtkSetVector2Macro( TargetTextureSize, int );
vtkGetVector2Macro( TargetTextureSize, int );
//@}
//@{
/**
* This is the maximum number of planes that will be created for texture mapping
* the volume. If the volume has more voxels than this along the viewing direction,
* then planes of the volume will be skipped to ensure that this maximum is not
* violated. A skip factor is used, and is incremented until the maximum condition
* is satisfied.
*/
vtkSetMacro( MaximumNumberOfPlanes, int );
vtkGetMacro( MaximumNumberOfPlanes, int );
//@}
//@{
/**
* This is the maximum size of saved textures in bytes. If this size is large
* enough to hold the RGBA textures for all three directions (XxYxZx3x4 is
* the approximate value - it is actually a bit larger due to wasted space in
* the textures) then the textures will be saved.
*/
vtkSetMacro( MaximumStorageSize, int );
vtkGetMacro( MaximumStorageSize, int );
//@}
/**
* WARNING: INTERNAL METHOD - NOT INTENDED FOR GENERAL USE
* DO NOT USE THIS METHOD OUTSIDE OF THE RENDERING PROCESS
* Render the volume
*/
virtual void Render(vtkRenderer *, vtkVolume *) {}
virtual void RenderQuads( int vtkNotUsed(count),
float *vtkNotUsed(v), float *vtkNotUsed(t),
unsigned char *vtkNotUsed(texture),
int vtkNotUsed(size)[2],
int vtkNotUsed(reverseFlag)) {}
/**
* Made public only for access from the templated method. Not a vtkGetMacro
* to avoid the PrintSelf defect.
*/
int GetInternalSkipFactor() {return this->InternalSkipFactor;};
int *GetAxisTextureSize() {return &(this->AxisTextureSize[0][0]);};
int GetSaveTextures() {return this->SaveTextures;};
unsigned char *GetTexture() {return this->Texture;};
protected:
vtkVolumeTextureMapper2D();
~vtkVolumeTextureMapper2D();
void InitializeRender( vtkRenderer *ren, vtkVolume *vol )
{this->InitializeRender( ren, vol, -1 );}
void InitializeRender( vtkRenderer *ren, vtkVolume *vol, int majorDirection );
void GenerateTexturesAndRenderQuads( vtkRenderer *ren, vtkVolume *vol );
int MajorDirection;
int TargetTextureSize[2];
int MaximumNumberOfPlanes;
int InternalSkipFactor;
int MaximumStorageSize;
unsigned char *Texture;
int TextureSize;
int SaveTextures;
vtkTimeStamp TextureMTime;
int AxisTextureSize[3][3];
void ComputeAxisTextureSize( int axis, int *size );
void RenderSavedTexture();
private:
vtkVolumeTextureMapper2D(const vtkVolumeTextureMapper2D&) VTK_DELETE_FUNCTION;
void operator=(const vtkVolumeTextureMapper2D&) VTK_DELETE_FUNCTION;
};
#endif // VTK_LEGACY_REMOVE
#endif
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