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69 lines
2.2 KiB
C
69 lines
2.2 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkLinesPainter.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 vtkLinesPainter
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* @brief painter that paints lines.
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*
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* This painter tries to paint lines efficiently. Request to Render
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* any other primitive are ignored and not passed to the delegate painter,
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* if any. This painter cannot handle cell colors/normals. If they are
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* present the request is passed on to the Delegate painter. If this
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* class is able to render the primitive, the render request is not
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* propagated to the delegate painter.
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*
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*/
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#ifndef vtkLinesPainter_h
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#define vtkLinesPainter_h
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#include "vtkRenderingOpenGLModule.h" // For export macro
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#include "vtkPrimitivePainter.h"
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class VTKRENDERINGOPENGL_EXPORT vtkLinesPainter : public vtkPrimitivePainter
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{
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public:
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static vtkLinesPainter* New();
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vtkTypeMacro(vtkLinesPainter, vtkPrimitivePainter);
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void PrintSelf(ostream& os, vtkIndent indent);
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protected:
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vtkLinesPainter();
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~vtkLinesPainter();
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int RenderPolys; // Flag indicating if the line loops are to be closed.
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/**
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* Overriden to set RenderPolys flag. When set, polys are rendered
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* as line loops.
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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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* The actual rendering happens here. This method is called only when
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* SupportedPrimitive is present in typeflags when Render() is invoked.
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*/
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virtual int RenderPrimitive(unsigned long flags, vtkDataArray* n,
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vtkUnsignedCharArray* c, vtkDataArray* t, vtkRenderer* ren);
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private:
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vtkLinesPainter(const vtkLinesPainter&) VTK_DELETE_FUNCTION;
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void operator=(const vtkLinesPainter&) VTK_DELETE_FUNCTION;
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};
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#endif
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