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Rendering/vtkQuartzRenderWindow.h

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

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


Copyright (c) 1993-2000 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 REGENTS 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 __vtkQuartzRenderWindow_h
#define __vtkQuartzRenderWindow_h

#include <stdlib.h>
#include "vtkRenderWindow.h"
#include "vtkMutexLock.h"
#include <OpenGL/gl.h>
#endif

class vtkIdList;

class VTK_RENDERING_EXPORT vtkQuartzRenderWindow : public vtkRenderWindow
{
public:
  static vtkQuartzRenderWindow *New();
  vtkTypeMacro(vtkQuartzRenderWindow,vtkRenderWindow);
  void PrintSelf(ostream& os, vtkIndent indent);

  void Start(void);

  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(char *);
  
  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 *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 unsigned char *GetPixelData(int x,int y,int x2,int y2,int front);
  virtual void SetPixelData(int x,int y,int x2,int y2,unsigned char *,
                            int front);


  virtual float *GetRGBAPixelData(int x,int y,int x2,int y2,int front);
  virtual void SetRGBAPixelData(int x,int y,int x2,int y2,float *,int front,
                                int blend=0);
  virtual void ReleaseRGBAPixelData(float *data);


  virtual float *GetZbufferData( int x1, int y1, int x2, int y2 );
  virtual void SetZbufferData( int x1, int y1, int x2, int y2, float *buffer );

  void MakeCurrent();

  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();


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

  
protected:
  vtkQuartzRenderWindow();
  ~vtkQuartzRenderWindow();

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

  // 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;

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

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