/////////////////////////////////////////////////////////////////////////////// Name:        wx/msw/glcanvas.h// Purpose:     wxGLCanvas, for using OpenGL with wxWidgets under Windows// Author:      Julian Smart// Modified by:// Created:     04/01/98// RCS-ID:      $Id: glcanvas.h,v 1.20 2006/11/06 00:57:41 VZ Exp $// Copyright:   (c) Julian Smart// Licence:     wxWindows licence/////////////////////////////////////////////////////////////////////////////#ifndef _WX_GLCANVAS_H_#define _WX_GLCANVAS_H_#include "wx/palette.h"#include "wx/scrolwin.h"#include "wx/msw/wrapwin.h"#include <GL/gl.h>class WXDLLIMPEXP_GL wxGLCanvas;     /* forward reference */class WXDLLIMPEXP_GL wxGLContext: public wxObject{public:    wxGLContext(wxGLCanvas *win, const wxGLContext* other=NULL /* for sharing display lists */ );    virtual ~wxGLContext();    void SetCurrent(const wxGLCanvas& win) const;    inline HGLRC GetGLRC() const { return m_glContext; }protected:    HGLRC m_glContext;private:    DECLARE_CLASS(wxGLContext)};class WXDLLIMPEXP_GL wxGLCanvas: public wxWindow{public:    // This ctor is identical to the next, except for the fact that it    // doesn't create an implicit wxGLContext.    // The attribList parameter has been moved to avoid overload clashes.    wxGLCanvas(wxWindow *parent, wxWindowID id = wxID_ANY,        int* attribList = 0,        const wxPoint& pos = wxDefaultPosition,        const wxSize& size = wxDefaultSize, long style = 0,        const wxString& name = wxGLCanvasName,        const wxPalette& palette = wxNullPalette);    wxGLCanvas(wxWindow *parent, wxWindowID id = wxID_ANY,        const wxPoint& pos = wxDefaultPosition,        const wxSize& size = wxDefaultSize, long style = 0,        const wxString& name = wxGLCanvasName, int *attribList = 0,        const wxPalette& palette = wxNullPalette);    wxGLCanvas(wxWindow *parent,        const wxGLContext *shared,        wxWindowID id = wxID_ANY,        const wxPoint& pos = wxDefaultPosition,        const wxSize& size = wxDefaultSize,        long style = 0,        const wxString& name = wxGLCanvasName,        int *attribList = (int *) NULL,        const wxPalette& palette = wxNullPalette);    wxGLCanvas(wxWindow *parent,        const wxGLCanvas *shared,        wxWindowID id = wxID_ANY,        const wxPoint& pos = wxDefaultPosition,        const wxSize& size = wxDefaultSize,        long style = 0,        const wxString& name = wxGLCanvasName,        int *attribList = 0,        const wxPalette& palette = wxNullPalette);    virtual ~wxGLCanvas();    // Replaces wxWindow::Create functionality, since    // we need to use a different window class    bool Create(wxWindow *parent, wxWindowID id,        const wxPoint& pos, const wxSize& size,        long style, const wxString& name);    void SetCurrent(const wxGLContext& RC) const;    void SetCurrent();#ifdef __WXUNIVERSAL__    virtual bool SetCurrent(bool doit) { return wxWindow::SetCurrent(doit); };#endif    void SetColour(const wxChar *colour);    void SwapBuffers();    void OnSize(wxSizeEvent& event);    void OnQueryNewPalette(wxQueryNewPaletteEvent& event);    void OnPaletteChanged(wxPaletteChangedEvent& event);    inline wxGLContext* GetContext() const { return m_glContext; }    inline WXHDC GetHDC() const { return m_hDC; }    void SetupPixelFormat(int *attribList = (int *) NULL);    void SetupPalette(const wxPalette& palette);    wxPalette CreateDefaultPalette();    inline wxPalette* GetPalette() const { return (wxPalette *) &m_palette; }protected:    wxGLContext*   m_glContext;  // this is typedef-ed ptr, in fact    wxPalette      m_palette;    WXHDC          m_hDC;private:    DECLARE_EVENT_TABLE()    DECLARE_CLASS(wxGLCanvas)};#endif    // _WX_GLCANVAS_H_