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Rendering/vtkQuartzImageWindow.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkQuartzImageWindow.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 __vtkQuartzImageWindow_h
#define __vtkQuartzImageWindow_h

#include <stdlib.h>
#include "vtkImageWindow.h"
#include "vtkMutexLock.h"

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

  // output to the viewer.
  vtkQuartzImageWindow *GetOutput(){return this;};

  virtual void MakeDefaultWindow();

  void SwapBuffers();

  void Frame();

  void Render();

  virtual void SetSize(int,int);

  virtual int *GetSize();

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

  virtual void SetWindowName(char *);
  
  //BTX
  virtual void *GetGenericDisplayId() {return (void *)this->ContextId;};
  virtual void *GetGenericWindowId()  {return (void *)this->WindowId;};
  virtual void *GetGenericParentId()  {return (void *)this->ParentId;};
  virtual void *GetGenericContext()   {return (void *)this->DeviceContext;};
  virtual void SetDisplayId(void *) {};

  virtual void *GetWindowId();

  virtual void  SetWindowId(void *);
  
  virtual void  SetParentId(void *);

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


  virtual void  SetNextWindowId(void *);
  //ETX

  /*! Set/Get the pixel data of an image, transmitted as RGBRGB... */
  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);

  void MakeCurrent();


  void SetupMemoryRendering(int x, int y, void *prn);
  void ResumeScreenRendering();
  void *GetMemoryDC();
  unsigned char *GetMemoryData(){return this->MemoryData;};  
  

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

protected:
  vtkQuartzImageWindow();
  ~vtkQuartzImageWindow();

  void      *ApplicationInstance;
  void      *Palette;
  void      *OldPalette;
  void      *ContextId;
  void      *DeviceContext;
  void      *WindowId;
  void      *ParentId;
  void      *NextWindowId;
  int       OwnWindow;
  int       ScreenSize[2];

  // 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;

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


#endif

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