utils/glcanvas/src/glcanvas.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        glcanvas.h
   3 // Purpose:     wxGLCanvas, for using OpenGL/Mesa with wxWindows and GTK
   4 // Author:      Robert Roebling
   5 // Modified by:
   6 // Created:     17/8/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Robert Roebling
   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/defs.h"
  20 #include "wx/scrolwin.h"
  21
  22 #include "GL/gl.h"
  23 #include "GL/glx.h"
  24 #include "GL/glu.h"
  25
  26 //---------------------------------------------------------------------------
  27 // classes
  28 //---------------------------------------------------------------------------
  29
  30 class wxGLContext;
  31 class wxGLCanvas;
  32
  33 //---------------------------------------------------------------------------
  34 // wxGLContext
  35 //---------------------------------------------------------------------------
  36
  37
  38 class wxGLContext: public wxObject
  39 {
  40   DECLARE_CLASS(wxGLContext)
  41
  42   public:
  43
  44     wxGLContext( bool isRGB, wxWindow *win, const wxPalette& palette = wxNullPalette );
  45     ~wxGLContext();
  46
  47     void SetCurrent();
  48     void SetColour(const char *colour);
  49     void SwapBuffers();
  50
  51     void SetupPixelFormat();
  52     void SetupPalette(const wxPalette& palette);
  53     wxPalette CreateDefaultPalette();
  54
  55     inline wxPalette* GetPalette() const { return (wxPalette*) & m_palette; }
  56     inline wxWindow* GetWindow() const { return m_window; }
  57     inline GtkWidget* GetWidget() const { return m_widget; }
  58     inline GLXContext GetContext() const { return m_glContext; }
  59
  60  public:
  61
  62    GLXContext       m_glContext;
  63
  64    GtkWidget       *m_widget;
  65    wxPalette        m_palette;
  66    wxWindow*        m_window;
  67 };
  68
  69 //---------------------------------------------------------------------------
  70 // wxGLContext
  71 //---------------------------------------------------------------------------
  72
  73 class wxGLCanvas: public wxScrolledWindow
  74 {
  75    DECLARE_CLASS(wxGLCanvas)
  76
  77  public:
  78    wxGLCanvas(wxWindow *parent, wxWindowID id = -1, const wxPoint& pos = wxDefaultPosition,
  79         const wxSize& size = wxDefaultSize, long style = 0,
  80         const wxString& name = "GLCanvas", int *attribList = 0, const wxPalette& palette = wxNullPalette);
  81    ~wxGLCanvas();
  82
  83    void SetCurrent();
  84    void SetColour(const char *colour);
  85    void SwapBuffers();
  86
  87    void OnSize(wxSizeEvent& event);
  88
  89    inline wxGLContext* GetContext() const { return m_glContext; }
  90
  91   protected:
  92
  93     wxGLContext*   m_glContext;  // this is typedef-ed ptr, in fact
  94
  95   DECLARE_EVENT_TABLE()
  96 };
  97
  98 #endif