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graphics/vtkLODProp3D.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkLODProp3D.h,v $
  Language:  C++


Copyright (c) 1993-2001 Ken Martin, Will Schroeder, Bill Lorensen 
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

 * Redistributions of source code must retain the above copyright notice,
   this list of conditions and the following disclaimer.

 * Redistributions in binary form must reproduce the above copyright notice,
   this list of conditions and the following disclaimer in the documentation
   and/or other materials provided with the distribution.

 * Neither name of Ken Martin, Will Schroeder, or Bill Lorensen nor the names
   of any contributors may be used to endorse or promote products derived
   from this software without specific prior written permission.

 * Modified source versions must be plainly marked as such, and must not be
   misrepresented as being the original software.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

=========================================================================*/
#ifndef __vtkLODProp3D_h
#define __vtkLODProp3D_h

#include "vtkProp3D.h"
#include "vtkTransform.h"

class vtkRenderer;
class vtkMapper;
class vtkVolumeMapper;
class vtkProperty;
class vtkVolumeProperty;
class vtkTexture;

typedef struct
{
  vtkProp3D   *Prop3D;
  int         Prop3DType;
  int         ID;
  float       EstimatedTime;
  int         State;
  float       Level;
} vtkLODProp3DEntry;

class VTK_EXPORT vtkLODProp3D : public vtkProp3D
{
public:
  static vtkLODProp3D *New();

  vtkTypeMacro(vtkLODProp3D,vtkProp3D);
  void PrintSelf(ostream& os, vtkIndent indent);

  float *GetBounds();
  void GetBounds(float bounds[6]) { this->vtkProp3D::GetBounds( bounds ); };

  int RequiresRayCasting();

  int RequiresRenderingIntoImage();
 
  int AddLOD( vtkMapper *m, vtkProperty *p, vtkTexture *t, float time );
  int AddLOD( vtkMapper *m, vtkProperty *p, float time );
  int AddLOD( vtkMapper *m, vtkTexture *t, float time );
  int AddLOD( vtkMapper *m, float time );
  int AddLOD( vtkVolumeMapper *m, vtkVolumeProperty *p, float time );
  int AddLOD( vtkVolumeMapper *m, float time );

  void RemoveLOD( int id );

  void SetLODProperty( int id, vtkProperty  *p );
  void GetLODProperty( int id, vtkProperty  **p );
  void SetLODProperty( int id, vtkVolumeProperty  *p );
  void GetLODProperty( int id, vtkVolumeProperty  **p );

  void SetLODMapper( int id, vtkMapper  *m );
  void GetLODMapper( int id, vtkMapper  **m );
  void SetLODMapper( int id, vtkVolumeMapper  *m );
  void GetLODMapper( int id, vtkVolumeMapper  **m );

  void SetLODTexture( int id, vtkTexture *t );
  void GetLODTexture( int id, vtkTexture **t );

  void EnableLOD( int id );
  void DisableLOD( int id );

  void SetLODLevel( int id, float level );
  float GetLODLevel( int id );
  float GetLODIndexLevel( int index );

  float GetLODEstimatedRenderTime( int id );
  float GetLODIndexEstimatedRenderTime( int index );

  vtkSetClampMacro( AutomaticLODSelection, int, 0, 1 );
  vtkGetMacro( AutomaticLODSelection, int );
  vtkBooleanMacro( AutomaticLODSelection, int );

  vtkSetMacro( SelectedLODID, int );
  vtkGetMacro( SelectedLODID, int );

  int GetLastRenderedLODID();

  virtual void GetActors(vtkPropCollection *);

  void SetPickMethod(void (*f)(void *), void *arg);
  void SetPickMethodArgDelete(void (*f)(void *));

  void SetSelectedPickLODID(int id);
  vtkGetMacro( SelectedPickLODID, int );

  vtkSetClampMacro( AutomaticPickLODSelection, int, 0, 1 );
  vtkGetMacro( AutomaticPickLODSelection, int );
  vtkBooleanMacro( AutomaticPickLODSelection, int );

  void ShallowCopy(vtkProp *prop);

//BTX

  int RenderOpaqueGeometry(vtkViewport *viewport);
  int RenderTranslucentGeometry(vtkViewport *viewport);
  int RenderIntoImage(vtkViewport *viewport);
  int CastViewRay( VTKRayCastRayInfo *rayInfo );
  int InitializeRayCasting( vtkViewport *viewport);

  void ReleaseGraphicsResources(vtkWindow *);

  void SetAllocatedRenderTime( float t, vtkViewport *vp );

  void RestoreEstimatedRenderTime( );
  
  virtual void AddEstimatedRenderTime( float t, vtkViewport *vp );

//ETX

protected:
  vtkLODProp3D();
  ~vtkLODProp3D();
  vtkLODProp3D(const vtkLODProp3D&) {};
  void operator=(const vtkLODProp3D&) {};

  int GetAutomaticPickPropIndex(void);

  vtkLODProp3DEntry *LODs;
  int               NumberOfEntries;
  int               NumberOfLODs;
  int               CurrentIndex;

  int               GetNextEntryIndex();
  int               ConvertIDToIndex( int id );
  int               SelectedLODIndex;

  int               AutomaticLODSelection;
  int               SelectedLODID;
  int               SelectedPickLODID;
  int               AutomaticPickLODSelection;
  vtkProp*          PreviousPickProp;
  void (*PreviousPickMethod)(void *);
  void *            PreviousPickMethodArg;
};

#endif

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