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Rendering/vtkRenderWindow.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkRenderWindow.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 __vtkRenderWindow_h
#define __vtkRenderWindow_h

#include "vtkWindow.h"
#include "vtkRendererCollection.h"
#include <stdio.h>
#include "vtkGraphicsFactory.h"

class vtkRenderWindowInteractor;



// lets define the different types of stereo
#define VTK_STEREO_CRYSTAL_EYES 1
#define VTK_STEREO_RED_BLUE     2
#define VTK_STEREO_INTERLACED   3
#define VTK_STEREO_LEFT         4
#define VTK_STEREO_RIGHT        5
#define VTK_STEREO_DRESDEN      6

class VTK_RENDERING_EXPORT vtkRenderWindow : public vtkWindow
{
public:
  vtkTypeMacro(vtkRenderWindow,vtkWindow);
  void PrintSelf(ostream& os, vtkIndent indent);

  static vtkRenderWindow *New();

  void AddRenderer(vtkRenderer *);

  void RemoveRenderer(vtkRenderer *);


  static const char *GetRenderLibrary() {
    return vtkGraphicsFactory::GetRenderLibrary();};

  vtkRendererCollection *GetRenderers() {return this->Renderers;};

  virtual void Render();

  virtual void Start() {};
  
  virtual void Frame() {};

  virtual void CopyResultFrame();

  virtual vtkRenderWindowInteractor *MakeRenderWindowInteractor();


  virtual void HideCursor() {};
  virtual void ShowCursor() {};


  virtual void SetFullScreen(int) {};
  vtkGetMacro(FullScreen,int);
  vtkBooleanMacro(FullScreen,int);


  vtkSetMacro(Borders,int);
  vtkGetMacro(Borders,int);
  vtkBooleanMacro(Borders,int);


  vtkGetMacro(StereoCapableWindow,int);
  vtkBooleanMacro(StereoCapableWindow,int);
  virtual void SetStereoCapableWindow(int capable);


  vtkGetMacro(StereoRender,int);
  void SetStereoRender(int stereo);
  vtkBooleanMacro(StereoRender,int);


  vtkSetMacro(PointSmoothing,int);
  vtkGetMacro(PointSmoothing,int);
  vtkBooleanMacro(PointSmoothing,int);


  vtkSetMacro(LineSmoothing,int);
  vtkGetMacro(LineSmoothing,int);
  vtkBooleanMacro(LineSmoothing,int);


  vtkSetMacro(PolygonSmoothing,int);
  vtkGetMacro(PolygonSmoothing,int);
  vtkBooleanMacro(PolygonSmoothing,int);


  vtkGetMacro(StereoType,int);
  vtkSetMacro(StereoType,int);
  void SetStereoTypeToCrystalEyes() 
    {this->SetStereoType(VTK_STEREO_CRYSTAL_EYES);};
  void SetStereoTypeToRedBlue() 
    {this->SetStereoType(VTK_STEREO_RED_BLUE);};
  void SetStereoTypeToInterlaced() 
    {this->SetStereoType(VTK_STEREO_INTERLACED);};
  void SetStereoTypeToLeft() 
    {this->SetStereoType(VTK_STEREO_LEFT);};
  void SetStereoTypeToRight() 
    {this->SetStereoType(VTK_STEREO_RIGHT);};
  void SetStereoTypeToDresden() 
    {this->SetStereoType(VTK_STEREO_DRESDEN);};  
  char *GetStereoTypeAsString();

  virtual void StereoUpdate();

  virtual void StereoMidpoint();

  virtual void StereoRenderComplete();

  virtual void WindowRemap() {};
  

  vtkSetMacro(SwapBuffers,int);
  vtkGetMacro(SwapBuffers,int);
  vtkBooleanMacro(SwapBuffers,int);
  
  virtual void SetPixelData(int, int, int, int, unsigned char *,int) {};


  virtual float *GetRGBAPixelData(int ,int ,int ,int ,int ) {
    return (float *)NULL;};
  virtual void SetRGBAPixelData(int ,int ,int ,int ,float *,int,
                                int blend=0) { blend = blend;}
  virtual unsigned char *GetRGBACharPixelData(int ,int ,int ,int ,int ) {
    return (unsigned char*)NULL;}
  virtual void SetRGBACharPixelData(int ,int ,int ,int ,unsigned char *, int,
                                    int blend=0) { blend = blend;}
  


  virtual float *GetZbufferData(int, int, int, int ) {return (float *)NULL;};
  virtual void SetZbufferData(int, int, int, int, float *) {};


  vtkGetMacro(AAFrames,int);
  vtkSetMacro(AAFrames,int);


  vtkGetMacro(FDFrames,int);
  vtkSetMacro(FDFrames,int);


  vtkGetMacro(SubFrames,int);
  vtkSetMacro(SubFrames,int);


  vtkGetMacro(NeverRendered,int);


  vtkGetMacro(AbortRender,int);
  vtkSetMacro(AbortRender,int);
  vtkGetMacro(InAbortCheck,int);
  vtkSetMacro(InAbortCheck,int);
  virtual int CheckAbortStatus();
  virtual int GetEventPending() { return 0;};
  
  void SetAbortCheckMethod(void (*f)(void *), void *arg);

  void SetAbortCheckMethodArgDelete(void (*f)(void *));


  void SetDesiredUpdateRate(float);
  vtkGetMacro(DesiredUpdateRate,float);


  vtkGetMacro(NumberOfLayers, int);
  vtkSetClampMacro(NumberOfLayers, int, 1, VTK_LARGE_INTEGER);


  vtkGetObjectMacro(Interactor,vtkRenderWindowInteractor);
  void SetInteractor(vtkRenderWindowInteractor *);

  void UnRegister(vtkObject *o);
  

  virtual void SetDisplayId(void *) {}
  virtual void SetWindowId(void *)  {}
  virtual void SetParentId(void *)  {}
  virtual void *GetGenericDisplayId() {return NULL;}
  virtual void *GetGenericWindowId() {return NULL;}
  virtual void *GetGenericParentId() {return NULL;}
  virtual void *GetGenericContext() {return NULL;}
  virtual void *GetGenericDrawable() {return NULL;}
  virtual void SetWindowInfo(char *) {}
  virtual void SetParentInfo(char *) {};

  virtual void MakeCurrent() {};

  virtual int GetDepthBufferSize() {return -1;}

protected:
  vtkRenderWindow();
  ~vtkRenderWindow();

  virtual void DoStereoRender();
  virtual void DoFDRender();
  virtual void DoAARender();

  vtkRendererCollection *Renderers;
  int Borders;
  int FullScreen;
  int OldScreen[5];
  int PointSmoothing;
  int LineSmoothing;
  int PolygonSmoothing;
  int StereoRender;
  int StereoType;
  int StereoStatus; // used for keeping track of what's going on
  int StereoCapableWindow;
  vtkRenderWindowInteractor *Interactor;
  unsigned char* StereoBuffer; // used for red blue stereo
  float *AccumulationBuffer;   // used for many techniques
  unsigned int AccumulationBufferSize;
  int AAFrames;
  int FDFrames;
  int SubFrames;               // number of sub frames
  int CurrentSubFrame;         // what one are we on
  unsigned char *ResultFrame;  // used for any non immediate rendering
  int   SwapBuffers;
  float DesiredUpdateRate;
  int   AbortRender;
  int   InAbortCheck;
  int   InRender;
  int   NeverRendered;
  int   NumberOfLayers;
  void (*AbortCheckMethod)(void *);
  void (*AbortCheckMethodArgDelete)(void *);
  void *AbortCheckMethodArg;
private:
  vtkRenderWindow(const vtkRenderWindow&);  // Not implemented.
  void operator=(const vtkRenderWindow&);  // Not implemented.
};

inline char *vtkRenderWindow::GetStereoTypeAsString(void)
{
  switch ( this->StereoType )
    {
    case VTK_STEREO_CRYSTAL_EYES:
      return (char *)"CrystalEyes";
    case VTK_STEREO_RED_BLUE:
      return (char *)"RedBlue";
    case VTK_STEREO_LEFT:
      return (char *)"Left";
    case VTK_STEREO_RIGHT:
      return (char *)"Right";
    case VTK_STEREO_DRESDEN:
      return (char *)"DresdenDisplay";
    default:
      return (char *)"";
    }
}

#endif

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