VTK
dox
Rendering
OpenGL2
vtkSobelGradientMagnitudePass.h
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkSobelGradientMagnitudePass.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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#ifndef vtkSobelGradientMagnitudePass_h
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#define vtkSobelGradientMagnitudePass_h
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#include "vtkRenderingOpenGL2Module.h"
// For export macro
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#include "
vtkImageProcessingPass.h
"
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class
vtkDepthPeelingPassLayerList;
// Pimpl
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class
vtkFrameBufferObject
;
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class
vtkOpenGLHelper
;
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class
vtkOpenGLRenderWindow
;
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class
vtkTextureObject
;
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class
VTKRENDERINGOPENGL2_EXPORT
vtkSobelGradientMagnitudePass
:
public
vtkImageProcessingPass
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{
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public
:
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static
vtkSobelGradientMagnitudePass
*
New
();
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vtkTypeMacro(
vtkSobelGradientMagnitudePass
,
vtkImageProcessingPass
);
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void
PrintSelf
(ostream& os,
vtkIndent
indent);
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virtual
void
Render
(
const
vtkRenderState
*s);
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void
ReleaseGraphicsResources
(
vtkWindow
*w);
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protected
:
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vtkSobelGradientMagnitudePass
();
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virtual
~
vtkSobelGradientMagnitudePass
();
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vtkFrameBufferObject
*FrameBufferObject;
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vtkTextureObject
*Pass1;
// render target for the scene
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vtkTextureObject
*Gx1;
// render target 0 for the first shader
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vtkTextureObject
*Gy1;
// render target 1 for the first shader
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// Structures for the various cell types we render.
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vtkOpenGLHelper
*
Program1
;
// shader to compute Gx1 and Gy1
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vtkOpenGLHelper
*
Program2
;
// shader to compute |G| from Gx1 and Gy1
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private
:
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vtkSobelGradientMagnitudePass
(
const
vtkSobelGradientMagnitudePass
&) VTK_DELETE_FUNCTION;
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void
operator=(
const
vtkSobelGradientMagnitudePass
&) VTK_DELETE_FUNCTION;
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};
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#endif
vtkFrameBufferObject
internal class which encapsulates OpenGL frame buffer object. Not to be used directly.
Definition:
vtkFrameBufferObject.h:46
vtkImageProcessingPass.h
vtkImageProcessingPass::ReleaseGraphicsResources
void ReleaseGraphicsResources(vtkWindow *w)
Release graphics resources and ask components to release their own resources.
vtkObject::New
static vtkObject * New()
Create an object with Debug turned off, modified time initialized to zero, and reference counting on.
vtkRenderPass::Render
virtual void Render(const vtkRenderState *s)=0
Perform rendering according to a render state s.
vtkSobelGradientMagnitudePass::Program2
vtkOpenGLHelper * Program2
Definition:
vtkSobelGradientMagnitudePass.h:114
vtkWindow
window superclass for vtkRenderWindow
Definition:
vtkWindow.h:34
vtkOpenGLHelper
Definition:
vtkOpenGLHelper.h:30
vtkIndent
a simple class to control print indentation
Definition:
vtkIndent.h:39
vtkTextureObject
abstracts an OpenGL texture object.
Definition:
vtkTextureObject.h:43
vtkSobelGradientMagnitudePass
Implement a post-processing edge detection with a Sobel gradient magnitude render pass.
Definition:
vtkSobelGradientMagnitudePass.h:76
vtkImageProcessingPass::PrintSelf
void PrintSelf(ostream &os, vtkIndent indent)
Methods invoked by print to print information about the object including superclasses.
vtkSobelGradientMagnitudePass::Program1
vtkOpenGLHelper * Program1
Definition:
vtkSobelGradientMagnitudePass.h:113
vtkOpenGLRenderWindow
OpenGL rendering window.
Definition:
vtkOpenGLRenderWindow.h:41
vtkRenderState
Context in which a vtkRenderPass will render.
Definition:
vtkRenderState.h:40
vtkImageProcessingPass
Convenient class for post-processing passes. render pass.
Definition:
vtkImageProcessingPass.h:40
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