wxPython/contrib/glcanvas/msw/myglcanvas.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        glcanvas.h
   3 // Purpose:     wxGLCanvas, for using OpenGL with wxWindows under Windows
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma interface "glcanvas.h"
  14 #endif
  15
  16 #ifndef _WX_GLCANVAS_H_
  17 #define _WX_GLCANVAS_H_
  18
  19 #include <wx/setup.h>
  20
  21
  22 #undef wxUSE_GLCANVAS
  23 #define wxUSE_GLCANVAS 1
  24 #if wxUSE_GLCANVAS
  25
  26 #include <wx/palette.h>
  27 #include <wx/scrolwin.h>
  28
  29 #include <windows.h>
  30
  31 #include "gl/gl.h"
  32
  33 //---------------------------------------------------------------------------
  34 // Constants for attriblist
  35 //---------------------------------------------------------------------------
  36
  37 // The generic GL implementation doesn't support most of these options,
  38 // such as stereo, auxiliary buffers, alpha channel, and accum buffer.
  39 // Other implementations may actually support them.
  40
  41 enum
  42 {
  43   WX_GL_RGBA=1,          /* use true color palette */
  44   WX_GL_BUFFER_SIZE,     /* bits for buffer if not WX_GL_RGBA */
  45   WX_GL_LEVEL,           /* 0 for main buffer, >0 for overlay, <0 for underlay */
  46   WX_GL_DOUBLEBUFFER,    /* use doublebuffer */
  47   WX_GL_STEREO,          /* use stereoscopic display */
  48   WX_GL_AUX_BUFFERS,     /* number of auxiliary buffers */
  49   WX_GL_MIN_RED,         /* use red buffer with most bits (> MIN_RED bits) */
  50   WX_GL_MIN_GREEN,       /* use green buffer with most bits (> MIN_GREEN bits) */
  51   WX_GL_MIN_BLUE,        /* use blue buffer with most bits (> MIN_BLUE bits) */
  52   WX_GL_MIN_ALPHA,       /* use blue buffer with most bits (> MIN_ALPHA bits) */
  53   WX_GL_DEPTH_SIZE,      /* bits for Z-buffer (0,16,32) */
  54   WX_GL_STENCIL_SIZE,    /* bits for stencil buffer */
  55   WX_GL_MIN_ACCUM_RED,   /* use red accum buffer with most bits (> MIN_ACCUM_RED bits) */
  56   WX_GL_MIN_ACCUM_GREEN, /* use green buffer with most bits (> MIN_ACCUM_GREEN bits) */
  57   WX_GL_MIN_ACCUM_BLUE,  /* use blue buffer with most bits (> MIN_ACCUM_BLUE bits) */
  58   WX_GL_MIN_ACCUM_ALPHA  /* use blue buffer with most bits (> MIN_ACCUM_ALPHA bits) */
  59 };
  60
  61 class wxGLCanvas;     /* forward reference */
  62
  63 class wxGLContext: public wxObject
  64 {
  65 public:
  66    wxGLContext(bool isRGB, wxGLCanvas *win, const wxPalette& palette = wxNullPalette);
  67    wxGLContext(
  68                bool isRGB, wxGLCanvas *win,
  69                const wxPalette& WXUNUSED(palette),
  70                const wxGLContext *other        /* for sharing display lists */
  71     );
  72    ~wxGLContext();
  73
  74    void SetCurrent();
  75    void SetColour(const char *colour);
  76    void SwapBuffers();
  77
  78
  79    inline wxWindow* GetWindow() const { return m_window; }
  80    inline WXHDC GetHDC() const { return m_hDC; }
  81    inline HGLRC GetGLRC() const { return m_glContext; }
  82
  83 public:
  84    HGLRC            m_glContext;
  85    WXHDC            m_hDC;
  86    wxWindow*        m_window;
  87 };
  88
  89 class wxGLCanvas: public wxScrolledWindow
  90 {
  91    DECLARE_CLASS(wxGLCanvas)
  92  public:
  93    wxGLCanvas(wxWindow *parent, wxWindowID id = -1, const wxPoint& pos = wxDefaultPosition,
  94         const wxSize& size = wxDefaultSize, long style = 0,
  95         const wxString& name = "GLCanvas", int *attribList = 0, const wxPalette& palette = wxNullPalette);
  96    wxGLCanvas( wxWindow *parent, const wxGLContext *shared = (wxGLContext *)NULL,
  97         wxWindowID id = -1, const wxPoint& pos = wxDefaultPosition,
  98         const wxSize& size = wxDefaultSize, long style = 0, const wxString& name = "GLCanvas",
  99         int *attribList = (int*) NULL, const wxPalette& palette = wxNullPalette );
 100
 101    wxGLCanvas( wxWindow *parent, const wxGLCanvas *shared = (wxGLCanvas *)NULL, wxWindowID id = -1,
 102         const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = 0,
 103         const wxString& name = "GLCanvas", int *attribList = 0, const wxPalette& palette = wxNullPalette );
 104
 105    ~wxGLCanvas();
 106
 107    // Replaces wxWindow::Create functionality, since we need to use a different window class
 108    bool Create(wxWindow *parent, wxWindowID id,
 109           const wxPoint& pos, const wxSize& size, long style, const wxString& name);
 110
 111    void SetCurrent();
 112    void SetColour(const char *colour);
 113    void SwapBuffers();
 114
 115    void OnSize(wxSizeEvent& event);
 116
 117    void OnQueryNewPalette(wxQueryNewPaletteEvent& event);
 118    void OnPaletteChanged(wxPaletteChangedEvent& event);
 119
 120    inline wxGLContext* GetContext() const { return m_glContext; }
 121
 122    inline WXHDC GetHDC() const { return m_hDC; }
 123    void SetupPixelFormat(int *attribList = (int*) NULL);
 124    void SetupPalette(const wxPalette& palette);
 125    wxPalette CreateDefaultPalette();
 126
 127    inline wxPalette* GetPalette() const { return (wxPalette*) & m_palette; }
 128
 129 protected:
 130     wxGLContext*   m_glContext;  // this is typedef-ed ptr, in fact
 131     wxPalette      m_palette;
 132     WXHDC          m_hDC;
 133
 134 DECLARE_EVENT_TABLE()
 135 };
 136
 137 #endif
 138     // wxUSE_GLCANVAS
 139 #endif
 140     // _WX_GLCANVAS_H_
 141