VTK  9.2.6
vtkOutlineGlowPass.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkOutlineGlowPass.h
5 
6  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7  All rights reserved.
8  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9 
10  This software is distributed WITHOUT ANY WARRANTY; without even
11  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12  PURPOSE. See the above copyright notice for more information.
13 
14 =========================================================================*/
53 #ifndef vtkOutlineGlowPass_h
54 #define vtkOutlineGlowPass_h
55 
56 #include "vtkImageProcessingPass.h"
57 #include "vtkRenderingOpenGL2Module.h" // For export macro
58 
60 class vtkOpenGLHelper;
61 class vtkTextureObject;
62 
63 class VTKRENDERINGOPENGL2_EXPORT vtkOutlineGlowPass : public vtkImageProcessingPass
64 {
65 public:
66  static vtkOutlineGlowPass* New();
68  void PrintSelf(ostream& os, vtkIndent indent) override;
69 
74  void Render(const vtkRenderState* s) override;
75 
81  void ReleaseGraphicsResources(vtkWindow* w) override;
82 
87  vtkGetMacro(OutlineIntensity, float);
88  vtkSetMacro(OutlineIntensity, float);
89 
90 protected:
95 
99  ~vtkOutlineGlowPass() override;
100 
105  vtkTextureObject* ScenePass; // render target for the original scene
106  vtkTextureObject* BlurPass1; // render target for vertical blur
107  vtkTextureObject* BlurPass2; // render target for horizontal blur
108 
109  // Shader programs
112 
113  // Default value of 3.0 gives a bright outline with a fading edge
114  float OutlineIntensity = 3.0f;
115 
116 private:
117  vtkOutlineGlowPass(const vtkOutlineGlowPass&) = delete;
118  void operator=(const vtkOutlineGlowPass&) = delete;
119 };
120 
121 #endif /* vtkOutlineGlowPass_h */
vtkTextureObject * ScenePass
vtkOpenGLFramebufferObject * FrameBufferObject
Graphics resources.
void ReleaseGraphicsResources(vtkWindow *w) override
Release graphics resources and ask components to release their own resources.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
Convenient class for post-processing passes.
window superclass for vtkRenderWindow
Definition: vtkWindow.h:38
Context in which a vtkRenderPass will render.
vtkTextureObject * BlurPass1
a simple class to control print indentation
Definition: vtkIndent.h:39
Internal class which encapsulates OpenGL FramebufferObject.
abstracts an OpenGL texture object.
virtual void Render(const vtkRenderState *s)=0
Perform rendering according to a render state s.
vtkOpenGLHelper * UpscaleProgram
vtkOpenGLHelper * BlurProgram
Renders a glowing outline using a image processing pass.
static vtkObject * New()
Create an object with Debug turned off, modified time initialized to zero, and reference counting on...
vtkTextureObject * BlurPass2