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121 lines
3.8 KiB
C++
121 lines
3.8 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkPolyDataPainter.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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* Copyright 2004 Sandia Corporation.
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* Under the terms of Contract DE-AC04-94AL85000, there is a non-exclusive
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* license for use of this work by or on behalf of the
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* U.S. Government. Redistribution and use in source and binary forms, with
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* or without modification, are permitted provided that this Notice and any
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* statement of authorship are reproduced on all copies.
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*/
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/**
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* @class vtkPolyDataPainter
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* @brief Abstract class for drawing poly data.
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*
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*
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* vtkPolyDataPainter encapsulates a method of drawing poly data. This is a subset
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* of what a mapper does. The painter does no maintenance of the rendering
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* state (camera, lights, etc.). It is solely responsible for issuing
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* rendering commands that build graphics primitives.
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*
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* To simplify coding, an implementation of vtkPolyDataPainter is allowed to support
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* only certain types of poly data or certain types of primitives.
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*
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* @sa
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* vtkDefaultPainter
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* vtkStandardPainter
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* vtkPainterDeviceAdapter
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*
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*/
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#ifndef vtkPolyDataPainter_h
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#define vtkPolyDataPainter_h
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#include "vtkRenderingOpenGLModule.h" // For export macro
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#include "vtkPainter.h"
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class vtkInformationIntegerKey;
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class vtkInformationObjectBaseKey;
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class vtkPolyData;
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class VTKRENDERINGOPENGL_EXPORT vtkPolyDataPainter : public vtkPainter
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{
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public:
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vtkTypeMacro(vtkPolyDataPainter, vtkPainter);
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virtual void PrintSelf(ostream &os, vtkIndent indent);
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/**
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* Get/set the poly data to render.
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*/
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vtkPolyData* GetInputAsPolyData();
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/**
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* Get the output polydata from this Painter. The default
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* implementation forwards the input polydata as the output.
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*/
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vtkPolyData* GetOutputAsPolyData();
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/**
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* Keys used to specify control the behaviour of the painter.
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* When on, the painter creates normals when none are available in the
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* polydata. On by default.
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*/
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static vtkInformationIntegerKey* BUILD_NORMALS();
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/**
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* Key added to disable any scalar coloring for the current pass.
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*/
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static vtkInformationIntegerKey* DISABLE_SCALAR_COLOR();
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// Set the mapping between vtkPointData (vtkCellData) arrays and
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// generic vertex attributes.
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static vtkInformationObjectBaseKey* DATA_ARRAY_TO_VERTEX_ATTRIBUTE();
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/**
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* Key to store the shader device adaptor.
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*/
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static vtkInformationObjectBaseKey* SHADER_DEVICE_ADAPTOR();
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/**
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* Overridden to stop the render call if input polydata is not set,
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* since PolyDataPainter cannot paint without any polydata input.
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*/
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virtual void Render(vtkRenderer* renderer, vtkActor* actor,
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unsigned long typeflags, bool forceCompileOnly);
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protected:
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vtkPolyDataPainter();
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~vtkPolyDataPainter();
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int BuildNormals; // ivar synchornized with this->Information before
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// RenderInternal() is called. The ivar are purposefully protected,
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// the only way to affecting these from outside should be using
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// the information object.
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vtkSetMacro(BuildNormals, int);
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/**
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* Called before RenderInternal() if the Information has been changed
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* since the last time this method was called.
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*/
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virtual void ProcessInformation(vtkInformation*);
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private:
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vtkPolyDataPainter(const vtkPolyDataPainter &) VTK_DELETE_FUNCTION;
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void operator=(const vtkPolyDataPainter &) VTK_DELETE_FUNCTION;
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};
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#endif //_vtkPolyDataPainter_h
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