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124 lines
4.0 KiB
C++
124 lines
4.0 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkChooserPainter.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 vtkChooserPainter
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* @brief Painter that selects painters to render
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* primitives.
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*
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*
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*
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* This painter does not actually do any painting. Instead, it picks other
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* painters based on the current state of itself and its poly data. It then
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* delegates the work to these other painters.
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*
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*/
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#ifndef vtkChooserPainter_h
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#define vtkChooserPainter_h
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#include "vtkRenderingOpenGLModule.h" // For export macro
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#include "vtkPolyDataPainter.h"
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class VTKRENDERINGOPENGL_EXPORT vtkChooserPainter : public vtkPolyDataPainter
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{
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public:
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static vtkChooserPainter *New();
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vtkTypeMacro(vtkChooserPainter, vtkPolyDataPainter);
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void PrintSelf(ostream &os, vtkIndent indent);
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void SetVertPainter(vtkPolyDataPainter*);
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void SetLinePainter(vtkPolyDataPainter*);
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void SetPolyPainter(vtkPolyDataPainter*);
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void SetStripPainter(vtkPolyDataPainter*);
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/*
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* Release any graphics resources that are being consumed by this mapper.
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* The parameter window could be used to determine which graphic
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* resources to release. Merely propagates the call to the painter.
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*/
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// void ReleaseGraphicsResources(vtkWindow *);
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protected:
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vtkChooserPainter();
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~vtkChooserPainter();
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vtkPolyDataPainter *VertPainter;
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vtkPolyDataPainter *LinePainter;
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vtkPolyDataPainter *PolyPainter;
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vtkPolyDataPainter *StripPainter;
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/**
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* Some subclasses may need to do some preprocessing
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* before the actual rendering can be done eg. build efficient
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* representation for the data etc. This should be done here.
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* This method get called after the ProcessInformation()
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* but before RenderInternal().
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* Overridden to setup the the painters if needed.
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*/
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virtual void PrepareForRendering(vtkRenderer*, vtkActor*);
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/**
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* Called to pick which painters to used based on the current state of
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* this painter and the poly data.
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*/
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virtual void ChoosePainters(vtkRenderer *renderer, vtkActor*);
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/**
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* Called from ChoosePainters. Returns a string for the type of
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* each painter. The painters will be built with CreatePainter.
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*/
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virtual void SelectPainters(vtkRenderer *renderer, vtkActor* actor,
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const char *&vertpaintertype,
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const char *&linepaintertype,
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const char *&polypaintertype,
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const char *&strippaintertype);
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/**
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* Passes on the information and the data to the chosen painters.
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*/
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virtual void UpdateChoosenPainters();
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/**
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* Creates a painter of the given type.
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*/
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virtual vtkPolyDataPainter *CreatePainter(const char *paintertype);
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/**
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* Performs the actual rendering. Subclasses may override this method.
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* default implementation merely call a Render on the DelegatePainter,
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* if any. When RenderInternal() is called, it is assured that the
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* DelegatePainter is in sync with this painter i.e. UpdatePainter()
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* has been called.
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*/
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virtual void RenderInternal(vtkRenderer* renderer, vtkActor* actor,
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unsigned long typeflags, bool forceCompileOnly);
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/**
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* Take part in garbage collection.
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*/
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void ReportReferences(vtkGarbageCollector *collector) VTK_OVERRIDE;
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vtkRenderer *LastRenderer;
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vtkTimeStamp PaintersChoiceTime;
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private:
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vtkChooserPainter(const vtkChooserPainter &) VTK_DELETE_FUNCTION;
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void operator=(const vtkChooserPainter &) VTK_DELETE_FUNCTION;
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};
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#endif //_vtkChooserPainter_h
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