vtkWin32OpenGLRenderWindow.h

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/*=========================================================================
 
Program:   Visualization Toolkit
Module:    vtkWin32OpenGL2RenderWindow.h
 
Copyright (c) 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 vtkWin32OpenGL2RenderWindow_h
#define vtkWin32OpenGL2RenderWindow_h
 
#include "vtkRenderingOpenGL2Module.h" // For export macro
#include "vtkOpenGLRenderWindow.h"
 
#include "vtkWindows.h" // For windows API
 
class vtkIdList;
 
class VTKRENDERINGOPENGL2_EXPORT vtkWin32OpenGLRenderWindow : public vtkOpenGLRenderWindow
{
public:
  static vtkWin32OpenGLRenderWindow *New();
  vtkTypeMacro(vtkWin32OpenGLRenderWindow,vtkOpenGLRenderWindow);
  void PrintSelf(ostream& os, vtkIndent indent);
 
  virtual void Start(void);
 
  void Frame(void);
 
  virtual void WindowInitialize(void);
 
  virtual void Initialize(void);
 
  virtual void Finalize(void);
 
  virtual void SetFullScreen(int);
 
  virtual void WindowRemap(void);
 
  virtual void PrefFullScreen(void);
 
 
  virtual void SetSize(int,int);
  virtual void SetSize(int a[2]) {vtkOpenGLRenderWindow::SetSize(a);};
 
  virtual int *GetSize();
 
 
  virtual void SetPosition(int,int);
  virtual void SetPosition(int a[2]) {vtkOpenGLRenderWindow::SetPosition(a);};
 
  virtual int *GetScreenSize();
 
  virtual int *GetPosition();
 
  virtual void SetWindowName(const char *);
 
  void SetWindowInfo(char *);
 
  void SetNextWindowInfo(char *);
 
  void SetParentInfo(char *);
 
  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 *GetGenericDrawable()  {return (void *)this->WindowId;};
  virtual void SetDisplayId(void *);
 
  virtual HWND  GetWindowId();
 
 
  virtual void  SetWindowId(HWND);
  void  SetWindowId(void *foo) {this->SetWindowId((HWND)foo);};
 
  virtual bool InitializeFromCurrentContext();
 
 
  virtual void  SetParentId(HWND);
  void  SetParentId(void *foo) {this->SetParentId((HWND)foo);};
 
  void  SetContextId(HGLRC);    // hsr
  void  SetDeviceContext(HDC);  // hsr
 
  virtual void  SetNextWindowId(HWND);
 
  virtual void SetNextWindowId(void *arg);
 
  virtual void SetStereoCapableWindow(int capable);
 
  void MakeCurrent();
 
  virtual bool IsCurrent();
 
  const char *ReportCapabilities();
 
  int SupportsOpenGL();
 
  int IsDirect();
 
  virtual  int GetEventPending();
 
 
  void SetupMemoryRendering(int x, int y, HDC prn);
  void SetupMemoryRendering(HBITMAP hbmp);
  void ResumeScreenRendering(void);
  HDC GetMemoryDC();
  unsigned char *GetMemoryData(){return this->MemoryData;};
 
 
  virtual void SetupPalette(HDC hDC);
  virtual void SetupPixelFormatPaletteAndContext(
    HDC hDC, DWORD dwFlags, int debug,
    int bpp=16, int zbpp=16);
 
  void Clean();
 
 
  void HideCursor();
  void ShowCursor();
  void SetCursorPosition(int x, int y);
 
  virtual void SetCurrentCursor(int);
 
  virtual bool DetectDPI();
 
  virtual void SetOffScreenRendering(int offscreen);
 
protected:
  vtkWin32OpenGLRenderWindow();
  ~vtkWin32OpenGLRenderWindow();
 
  HINSTANCE ApplicationInstance;
  HPALETTE  Palette;
  HPALETTE  OldPalette;
  HGLRC     ContextId;
  HDC       DeviceContext;
  BOOL      MFChandledWindow;
  HWND      WindowId;
  HWND      ParentId;
  HWND      NextWindowId;
  int       OwnWindow;
  int       ScreenSize[2];
 
  // the following is used to support rendering into memory
  BITMAPINFO MemoryDataHeader;
  HBITMAP MemoryBuffer;
  unsigned char *MemoryData;    // the data in the DIBSection
  HDC MemoryHdc;
 
  int ScreenMapped;
  int ScreenWindowSize[2];
  HDC ScreenDeviceContext;
  int ScreenDoubleBuffer;
  HGLRC ScreenContextId;
 
  int CreatingOffScreenWindow; // to avoid recursion (and memory leaks...)
 
  // message handler
  virtual LRESULT MessageProc(HWND hWnd, UINT message,
                              WPARAM wParam, LPARAM lParam);
 
  static LRESULT APIENTRY WndProc(HWND hWnd, UINT message,
                                  WPARAM wParam, LPARAM lParam);
  int CursorHidden;
  int ForceMakeCurrent;
 
  char   *Capabilities;
  int WindowIdReferenceCount;
  void ResizeWhileOffscreen(int xsize, int ysize);
  virtual void CreateAWindow();
  virtual void DestroyWindow();
  void InitializeApplication();
  void CleanUpOffScreenRendering(void);
  void CreateOffScreenDC(int xsize, int ysize, HDC aHdc);
  void CreateOffScreenDC(HBITMAP hbmp, HDC aHdc);
  void CreateOffScreenWindow(int width,int height);
  void SaveScreenRendering();
  void CleanUpRenderers();
 
private:
  vtkWin32OpenGLRenderWindow(const vtkWin32OpenGLRenderWindow&);  // Not implemented.
  void operator=(const vtkWin32OpenGLRenderWindow&);  // Not implemented.
};
 
 
#endif