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79 lines
2.7 KiB
C
79 lines
2.7 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkOpenGLRayCastImageDisplayHelper.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 vtkOpenGLRayCastImageDisplayHelper
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* @brief OpenGL subclass that draws the image to the screen
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*
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* This is the concrete implementation of a ray cast image display helper -
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* a helper class responsible for drawing the image to the screen.
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*
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* @sa
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* vtkRayCastImageDisplayHelper
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*/
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#ifndef vtkOpenGLRayCastImageDisplayHelper_h
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#define vtkOpenGLRayCastImageDisplayHelper_h
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#include "vtkRayCastImageDisplayHelper.h"
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#include "vtkRenderingVolumeOpenGL2Module.h" // For export macro
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class vtkFixedPointRayCastImage;
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class vtkOpenGLHelper;
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class vtkRenderer;
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class vtkTextureObject;
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class vtkVolume;
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class vtkWindow;
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class VTKRENDERINGVOLUMEOPENGL2_EXPORT vtkOpenGLRayCastImageDisplayHelper
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: public vtkRayCastImageDisplayHelper
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{
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public:
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static vtkOpenGLRayCastImageDisplayHelper* New();
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vtkTypeMacro(vtkOpenGLRayCastImageDisplayHelper, vtkRayCastImageDisplayHelper);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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void RenderTexture(vtkVolume* vol, vtkRenderer* ren, int imageMemorySize[2],
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int imageViewportSize[2], int imageInUseSize[2], int imageOrigin[2], float requestedDepth,
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unsigned char* image) override;
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void RenderTexture(vtkVolume* vol, vtkRenderer* ren, int imageMemorySize[2],
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int imageViewportSize[2], int imageInUseSize[2], int imageOrigin[2], float requestedDepth,
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unsigned short* image) override;
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void RenderTexture(vtkVolume* vol, vtkRenderer* ren, vtkFixedPointRayCastImage* image,
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float requestedDepth) override;
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void ReleaseGraphicsResources(vtkWindow* win) override;
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protected:
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vtkOpenGLRayCastImageDisplayHelper();
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~vtkOpenGLRayCastImageDisplayHelper() override;
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void RenderTextureInternal(vtkVolume* vol, vtkRenderer* ren, int imageMemorySize[2],
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int imageViewportSize[2], int imageInUseSize[2], int imageOrigin[2], float requestedDepth,
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int imageScalarType, void* image);
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// used for copying to framebuffer
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vtkTextureObject* TextureObject;
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vtkOpenGLHelper* ShaderProgram;
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private:
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vtkOpenGLRayCastImageDisplayHelper(const vtkOpenGLRayCastImageDisplayHelper&) = delete;
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void operator=(const vtkOpenGLRayCastImageDisplayHelper&) = delete;
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};
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#endif
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