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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkDefaultPainter.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.

=========================================================================*/
// .NAME vtkDefaultPainter - sets up a default chain of painters.
// 
// .SECTION Description
// This painter does not do any actual rendering.
// Sets up a default pipeline of painters to mimick the behaiour of 
// old vtkPolyDataMapper. The chain is as follows:
// input--> vtkScalarsToColorsPainter --> vtkClipPlanesPainter -->
// vtkDisplayListPainter --> vtkCompositePainter -->
// vtkCoincidentTopologyResolutionPainter -->
// vtkLightingPainter --> vtkRepresentationPainter --> 
// \<Delegate of vtkDefaultPainter\>.
// Typically, the delegate of the default painter be one that is capable of r
// rendering graphics primitives or a vtkChooserPainter which can select appropriate
// painters to do the rendering.

#ifndef __vtkDefaultPainter_h
#define __vtkDefaultPainter_h

#include "vtkPainter.h"

class vtkClipPlanesPainter;
class vtkCoincidentTopologyResolutionPainter;
class vtkCompositePainter;
class vtkDisplayListPainter;
class vtkLightingPainter;
class vtkRepresentationPainter;
class vtkScalarsToColorsPainter;

class VTK_RENDERING_EXPORT vtkDefaultPainter : public vtkPainter
{
public:
  static vtkDefaultPainter *New();
  vtkTypeMacro(vtkDefaultPainter, vtkPainter);
  virtual void PrintSelf(ostream &os, vtkIndent indent);
  
  // Description:
  // Get/Set the painter that maps scalars to colors.
  void SetScalarsToColorsPainter(vtkScalarsToColorsPainter*);
  vtkGetObjectMacro(ScalarsToColorsPainter, vtkScalarsToColorsPainter);

  // Description:
  // Get/Set the painter that handles clipping.
  void SetClipPlanesPainter(vtkClipPlanesPainter*);
  vtkGetObjectMacro(ClipPlanesPainter, vtkClipPlanesPainter);

  // Description:
  // Get/Set the painter that builds display lists.
  void SetDisplayListPainter(vtkDisplayListPainter*);
  vtkGetObjectMacro(DisplayListPainter, vtkDisplayListPainter);

  // Description:
  // Get/Set the painter used to handle composite datasets.
  void SetCompositePainter(vtkCompositePainter*);
  vtkGetObjectMacro(CompositePainter, vtkCompositePainter);

  // Description:
  // Painter used to resolve coincident topology.
  void SetCoincidentTopologyResolutionPainter(
    vtkCoincidentTopologyResolutionPainter*);
  vtkGetObjectMacro(CoincidentTopologyResolutionPainter,
    vtkCoincidentTopologyResolutionPainter);

  // Description:
  // Get/Set the painter that controls lighting.
  void SetLightingPainter(vtkLightingPainter*);
  vtkGetObjectMacro(LightingPainter, vtkLightingPainter);

  // Description:
  // Painter used to convert polydata to Wireframe/Points representation.
  void SetRepresentationPainter(vtkRepresentationPainter*);
  vtkGetObjectMacro(RepresentationPainter, vtkRepresentationPainter);

  // Description:
  // Set/Get the painter to which this painter should propagare its draw calls.
  // These methods are overridden so that the delegate is set
  // to the end of the Painter Chain.
  virtual void SetDelegatePainter(vtkPainter*);
  virtual vtkPainter* GetDelegatePainter() { return this->DefaultPainterDelegate; }

  // Description:
  // Overridden to setup the chain of painter depending on the 
  // actor representation. The chain is rebuilt if
  // this->MTime has changed 
  // since last BuildPainterChain();
  // Building of the chain does not depend on input polydata,
  // hence it does not check if the input has changed at all.
  virtual void Render(vtkRenderer* renderer, vtkActor* actor, 
                      unsigned long typeflags, bool forceCompileOnly);

  // Description:
  // Release any graphics resources that are being consumed by this painter.
  // The parameter window could be used to determine which graphic
  // resources to release. 
  // The call is propagated to the delegate painter, if any.
  virtual void ReleaseGraphicsResources(vtkWindow *);

  // Description:
  // Expand or shrink the estimated bounds based on the geometric
  // transformations applied in the painter. The bounds are left unchanged
  // if the painter does not change the geometry.
  void UpdateBounds(double bounds[6]);

protected:
  vtkDefaultPainter();
  ~vtkDefaultPainter();

  // Description:
  // Setups the the painter chain.
  virtual void BuildPainterChain();

  // Description:
  // Take part in garbage collection.
  virtual void ReportReferences(vtkGarbageCollector *collector);

  vtkScalarsToColorsPainter* ScalarsToColorsPainter;
  vtkClipPlanesPainter* ClipPlanesPainter;
  vtkDisplayListPainter* DisplayListPainter;
  vtkCompositePainter* CompositePainter;
  vtkCoincidentTopologyResolutionPainter* CoincidentTopologyResolutionPainter;
  vtkLightingPainter* LightingPainter;
  vtkRepresentationPainter* RepresentationPainter;
  vtkTimeStamp ChainBuildTime;

  vtkPainter* DefaultPainterDelegate;
  void  SetDefaultPainterDelegate(vtkPainter*);

private:
  vtkDefaultPainter(const vtkDefaultPainter &); // Not implemented
  void operator=(const vtkDefaultPainter &);    // Not implemented
};

#endif //_vtkDefaultPainter_h