/*========================================================================= Program: Visualization Toolkit Module: vtkImageProcessingPass.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 vtkImageProcessingPass * @brief Convenient class for post-processing passes. * render pass. * * Abstract class with some convenient methods frequently used in subclasses. * * * @sa * vtkRenderPass vtkGaussianBlurPass vtkSobelGradientMagnitudePass */ #ifndef vtkImageProcessingPass_h #define vtkImageProcessingPass_h #include "vtkRenderingOpenGLModule.h" // For export macro #include "vtkRenderPass.h" class vtkOpenGLRenderWindow; class vtkDepthPeelingPassLayerList; // Pimpl class vtkShaderProgram2; class vtkShader2; class vtkFrameBufferObject; class vtkTextureObject; class VTKRENDERINGOPENGL_EXPORT vtkImageProcessingPass : public vtkRenderPass { public: vtkTypeMacro(vtkImageProcessingPass,vtkRenderPass); void PrintSelf(ostream& os, vtkIndent indent) override; /** * Release graphics resources and ask components to release their own * resources. * \pre w_exists: w!=0 */ void ReleaseGraphicsResources(vtkWindow *w) override; //@{ /** * Delegate for rendering the image to be processed. * If it is NULL, nothing will be rendered and a warning will be emitted. * It is usually set to a vtkCameraPass or to a post-processing pass. * Initial value is a NULL pointer. */ vtkGetObjectMacro(DelegatePass,vtkRenderPass); virtual void SetDelegatePass(vtkRenderPass *delegatePass); //@} protected: /** * Default constructor. DelegatePass is set to NULL. */ vtkImageProcessingPass(); /** * Destructor. */ ~vtkImageProcessingPass() override; /** * Render delegate with a image of different dimensions than the * original one. * \pre s_exists: s!=0 * \pre fbo_exists: fbo!=0 * \pre fbo_has_context: fbo->GetContext()!=0 * \pre target_exists: target!=0 * \pre target_has_context: target->GetContext()!=0 */ void RenderDelegate(const vtkRenderState *s, int width, int height, int newWidth, int newHeight, vtkFrameBufferObject *fbo, vtkTextureObject *target); vtkRenderPass *DelegatePass; private: vtkImageProcessingPass(const vtkImageProcessingPass&) = delete; void operator=(const vtkImageProcessingPass&) = delete; }; #endif