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/*=========================================================================
Program: Visualization Toolkit
Module: vtkPointFillPass.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 vtkPointFillPass
* @brief Implement a post-processing fillpass
*
*
* This pass is designed to fill in rendering of sparse point sets/coulds
* The delegate is used once and is usually set to a vtkCameraPass or
* to a post-processing pass.
*
* @sa
* vtkRenderPass
*/
#ifndef vtkPointFillPass_h
#define vtkPointFillPass_h
#include "vtkRenderingOpenGL2Module.h" // For export macro
#include "vtkDepthImageProcessingPass.h"
class vtkDepthPeelingPassLayerList; // Pimpl
class vtkFrameBufferObject;
class vtkOpenGLHelper;
class vtkOpenGLRenderWindow;
class vtkTextureObject;
class VTKRENDERINGOPENGL2_EXPORT vtkPointFillPass : public vtkDepthImageProcessingPass
{
public:
static vtkPointFillPass *New();
vtkTypeMacro(vtkPointFillPass,vtkDepthImageProcessingPass);
void PrintSelf(ostream& os, vtkIndent indent);
/**
* Perform rendering according to a render state \p s.
* \pre s_exists: s!=0
*/
virtual void Render(const vtkRenderState *s);
/**
* Release graphics resources and ask components to release their own
* resources.
* \pre w_exists: w!=0
*/
void ReleaseGraphicsResources(vtkWindow *w);
//@{
/**
* How far in front of a point must a neighboring point
* be to be used as a filler candidate. Expressed as
* a multiple of the points distance from the camera.
* Defaults to 0.95
*/
vtkSetMacro(CandidatePointRatio,float);
vtkGetMacro(CandidatePointRatio,float);
//@}
//@{
/**
* How large of an angle must the filler candidates
* span before a point will be filled. Expressed in
* radians. A value of pi will keep edges from growing out.
* Large values require more support, lower values less.
*/
vtkSetMacro(MinimumCandidateAngle,float);
vtkGetMacro(MinimumCandidateAngle,float);
//@}
protected:
/**
* Default constructor. DelegatePass is set to NULL.
*/
vtkPointFillPass();
/**
* Destructor.
*/
virtual ~vtkPointFillPass();
/**
* Graphics resources.
*/
vtkFrameBufferObject *FrameBufferObject;
vtkTextureObject *Pass1; // render target for the scene
vtkTextureObject *Pass1Depth; // render target for the depth
// Structures for the various cell types we render.
vtkOpenGLHelper *BlurProgram;
bool Supported;
bool SupportProbed;
float CandidatePointRatio;
float MinimumCandidateAngle;
private:
vtkPointFillPass(const vtkPointFillPass&) VTK_DELETE_FUNCTION;
void operator=(const vtkPointFillPass&) VTK_DELETE_FUNCTION;
};
#endif
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