You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
90 lines
3.2 KiB
90 lines
3.2 KiB
/*=========================================================================
|
|
|
|
Program: Visualization Toolkit
|
|
Module: $RCSfile: vtkRayCastImageDisplayHelper.h,v $
|
|
|
|
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.
|
|
|
|
=========================================================================*/
|
|
|
|
// .NAME vtkRayCastImageDisplayHelper - helper class that draws the image to the screen
|
|
// .SECTION Description
|
|
// This is a helper class for drawing images created from ray casting on the screen.
|
|
// This is the abstract device-independent superclass.
|
|
|
|
// .SECTION see also
|
|
// vtkVolumeRayCastMapper vtkUnstructuredGridVolumeRayCastMapper
|
|
// vtkOpenGLRayCastImageDisplayHelper
|
|
|
|
#ifndef __vtkRayCastImageDisplayHelper_h
|
|
#define __vtkRayCastImageDisplayHelper_h
|
|
|
|
#include "vtkObject.h"
|
|
|
|
class vtkVolume;
|
|
class vtkRenderer;
|
|
class vtkFixedPointRayCastImage;
|
|
|
|
class VTK_VOLUMERENDERING_EXPORT vtkRayCastImageDisplayHelper : public vtkObject
|
|
{
|
|
public:
|
|
static vtkRayCastImageDisplayHelper *New();
|
|
vtkTypeRevisionMacro(vtkRayCastImageDisplayHelper,vtkObject);
|
|
virtual void PrintSelf(ostream& os, vtkIndent indent);
|
|
|
|
virtual void RenderTexture( vtkVolume *vol, vtkRenderer *ren,
|
|
int imageMemorySize[2],
|
|
int imageViewportSize[2],
|
|
int imageInUseSize[2],
|
|
int imageOrigin[2],
|
|
float requestedDepth,
|
|
unsigned char *image ) = 0;
|
|
|
|
virtual void RenderTexture( vtkVolume *vol, vtkRenderer *ren,
|
|
int imageMemorySize[2],
|
|
int imageViewportSize[2],
|
|
int imageInUseSize[2],
|
|
int imageOrigin[2],
|
|
float requestedDepth,
|
|
unsigned short *image ) = 0;
|
|
|
|
virtual void RenderTexture( vtkVolume *vol, vtkRenderer *ren,
|
|
vtkFixedPointRayCastImage *image,
|
|
float requestedDepth ) = 0;
|
|
|
|
vtkSetClampMacro( PreMultipliedColors, int, 0, 1 );
|
|
vtkGetMacro( PreMultipliedColors, int );
|
|
vtkBooleanMacro( PreMultipliedColors, int );
|
|
|
|
|
|
// Description:
|
|
// Set / Get the pixel scale to be applied to the image before display.
|
|
// Can be set to scale the incoming pixel values - for example the
|
|
// fixed point mapper uses the unsigned short API but with 15 bit
|
|
// values so needs a scale of 2.0.
|
|
vtkSetMacro( PixelScale, float );
|
|
vtkGetMacro( PixelScale, float );
|
|
|
|
protected:
|
|
vtkRayCastImageDisplayHelper();
|
|
~vtkRayCastImageDisplayHelper();
|
|
|
|
// Description:
|
|
// Have the colors already been multiplied by alpha?
|
|
int PreMultipliedColors;
|
|
|
|
float PixelScale;
|
|
|
|
private:
|
|
vtkRayCastImageDisplayHelper(const vtkRayCastImageDisplayHelper&); // Not implemented.
|
|
void operator=(const vtkRayCastImageDisplayHelper&); // Not implemented.
|
|
};
|
|
|
|
#endif
|
|
|
|
|