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