---

Rendering/vtkCocoaRenderWindow.h

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

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

  Copyright (c) 1993-2002 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.

=========================================================================*/
#ifndef __vtkCocoaRenderWindow_h
#define __vtkCocoaRenderWindow_h

#include "vtkOpenGLRenderWindow.h"
#include <OpenGL/gl.h> // Needed for types used in public interface

class vtkIdList;

class VTK_RENDERING_EXPORT vtkCocoaRenderWindow : public vtkOpenGLRenderWindow
{
public:
  static vtkCocoaRenderWindow *New();
  vtkTypeRevisionMacro(vtkCocoaRenderWindow,vtkOpenGLRenderWindow);
  void PrintSelf(ostream& os, vtkIndent indent);

  virtual void Start(void);

  virtual void Frame(void);

  virtual void WindowConfigure(void);

  virtual void WindowInitialize(void);

  virtual void Initialize(void);

  virtual void SetFullScreen(int);

  virtual void WindowRemap(void);

  virtual void PrefFullScreen(void);

  virtual void SetSize(int,int);

  virtual int *GetSize();

  virtual void SetPosition(int,int);
  
  virtual int *GetScreenSize();

  virtual int *GetPosition();

  virtual void SetWindowName(const char *);
  
  virtual void SetWindowInfo(void *);

  //BTX
  virtual void *GetGenericDisplayId() {return (void *)this->ContextId;};
  virtual void *GetGenericWindowId()  {return (void *)this->WindowId;};
  virtual void *GetGenericContext()   {return (void *)this->DeviceContext;};
  virtual void SetDisplayId(void *) {};
  virtual void SetParentId(void *) 
    {
      vtkWarningMacro("Method not implemented.");
    }
  virtual void* GetGenericParentId()
    {
      vtkWarningMacro("Method not implemented.");
      return 0;
    }
  virtual void* GetGenericDrawable()
    {
      vtkWarningMacro("Method not implemented.");
      return 0;
    }
  virtual void SetWindowInfo(char*)
    {
      vtkWarningMacro("Method not implemented.");
    }
  virtual void SetParentInfo(char*)
    {
      vtkWarningMacro("Method not implemented.");
    }

  virtual void *GetWindowId();

  virtual void  SetWindowId(void *);
  
  void  SetContextId(void *);   // hsr
  void  SetDeviceContext(void *);       // hsr

  //ETX

  // supply base class virtual function
  vtkSetMacro(MultiSamples,int);
  vtkGetMacro(MultiSamples,int);

  virtual void StereoUpdate();
  
  virtual void SetStereoCapableWindow(int capable);

  virtual void MakeCurrent();

  const char *ReportCapabilities();

  int SupportsOpenGL();

  int IsDirect();

  virtual void SetForceMakeCurrent();

  virtual  int GetEventPending();

  virtual void OpenGLInit();
  virtual void SetupPalette(void *hDC);
  virtual void SetupPixelFormat(void *hDC, void *dwFlags, int debug, 
                                int bpp=16, int zbpp=16);
  
  void Clean();

  void RegisterTextureResource (GLuint id);

  int GetDepthBufferSize();


  virtual void HideCursor();
  virtual void ShowCursor();
  
  void UpdateSizeAndPosition(int xPos, int yPos, int xSize, int ySize);

  
protected:
  vtkCocoaRenderWindow();
  ~vtkCocoaRenderWindow();

  int       ApplicationInitialized; //NSApplication called?
  void     *ContextId;
  void     *DeviceContext;
  void     *WindowId;
  void     *WindowController;
  int       OwnWindow;
  int       ScreenSize[2];
  int       MultiSamples;
  vtkIdList *TextureResourceIds;

  int GetPixelData(int x,int y,int x2,int y2,int front, unsigned char* data);
  int GetZbufferData( int x1, int y1, int x2, int y2, float* z );
  int GetRGBAPixelData(int x,int y,int x2,int y2, int front, float* data);
  int GetRGBACharPixelData(int x,int y,int x2,int y2, int front,
                           unsigned char* data);

  // the following is used to support rendering into memory
//  void *MemoryDataHeader;
//  void *MemoryBuffer;
//  unsigned char *MemoryData;  // the data in the DIBSection
//  void *MemoryHdc;

  int ScreenMapped;
  int ScreenWindowSize[2];
  void *ScreenDeviceContext;
  int ScreenDoubleBuffer;
  void *ScreenContextId;

  int CursorHidden;
  int ForceMakeCurrent;

  char *Capabilities;

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

#endif

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