wxWidgets/include/wx/mac/classic/glcanvas.h

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/////////////////////////////////////////////////////////////////////////////
// Name: glcanvas.h
// Purpose: wxGLCanvas, for using OpenGL with wxWidgets under Macintosh
// Author: Stefan Csomor
// Modified by:
// Created: 1998-01-01
// RCS-ID: $Id$
// Copyright: (c) Stefan Csomor
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_GLCANVAS_H_
#define _WX_GLCANVAS_H_
#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
# pragma interface "glcanvas.h"
#endif
#include "wx/setup.h"
#if wxUSE_GLCANVAS
#include "wx/palette.h"
#include "wx/scrolwin.h"
#include "wx/app.h"
#ifdef __DARWIN__
# include <OpenGL/gl.h>
# include <AGL/agl.h>
#else
# include <gl.h>
# include <agl.h>
#endif
//---------------------------------------------------------------------------
// Constants for attriblist
//---------------------------------------------------------------------------
enum
{
WX_GL_RGBA=1, /* use true color palette */
WX_GL_BUFFER_SIZE, /* bits for buffer if not WX_GL_RGBA */
WX_GL_LEVEL, /* 0 for main buffer, >0 for overlay, <0 for underlay */
WX_GL_DOUBLEBUFFER, /* use doublebuffer */
WX_GL_STEREO, /* use stereoscopic display */
WX_GL_AUX_BUFFERS, /* number of auxiliary buffers */
WX_GL_MIN_RED, /* use red buffer with most bits (> MIN_RED bits) */
WX_GL_MIN_GREEN, /* use green buffer with most bits (> MIN_GREEN bits) */
WX_GL_MIN_BLUE, /* use blue buffer with most bits (> MIN_BLUE bits) */
WX_GL_MIN_ALPHA, /* use blue buffer with most bits (> MIN_ALPHA bits) */
WX_GL_DEPTH_SIZE, /* bits for Z-buffer (0,16,32) */
WX_GL_STENCIL_SIZE, /* bits for stencil buffer */
WX_GL_MIN_ACCUM_RED, /* use red accum buffer with most bits (> MIN_ACCUM_RED bits) */
WX_GL_MIN_ACCUM_GREEN, /* use green buffer with most bits (> MIN_ACCUM_GREEN bits) */
WX_GL_MIN_ACCUM_BLUE, /* use blue buffer with most bits (> MIN_ACCUM_BLUE bits) */
WX_GL_MIN_ACCUM_ALPHA /* use blue buffer with most bits (> MIN_ACCUM_ALPHA bits) */
};
class WXDLLEXPORT wxGLCanvas; /* forward reference */
class WXDLLEXPORT wxGLContext: public wxObject
{
public:
wxGLContext(AGLPixelFormat fmt, wxGLCanvas *win,
const wxPalette& WXUNUSED(palette),
const wxGLContext *other /* for sharing display lists */
);
~wxGLContext();
void SetCurrent();
void Update(); // must be called after window drag/grows/zoom or clut change
void SetColour(const wxChar *colour);
void SwapBuffers();
inline wxWindow* GetWindow() const { return m_window; }
inline AGLDrawable GetDrawable() const { return m_drawable; }
public:
AGLContext m_glContext;
AGLDrawable m_drawable;
wxWindow* m_window;
};
class WXDLLEXPORT wxGLCanvas: public wxWindow
{
DECLARE_CLASS(wxGLCanvas)
public:
wxGLCanvas(wxWindow *parent, wxWindowID id = -1, const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize, long style = 0,
const wxString& name = wxT("GLCanvas") , int *attribList = 0, const wxPalette& palette = wxNullPalette);
wxGLCanvas( wxWindow *parent, const wxGLContext *shared = (wxGLContext *)NULL,
wxWindowID id = -1, const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize, long style = 0, const wxString& name = wxT("GLCanvas"),
int *attribList = (int*) NULL, const wxPalette& palette = wxNullPalette );
wxGLCanvas( wxWindow *parent, const wxGLCanvas *shared = (wxGLCanvas *)NULL, wxWindowID id = -1,
const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = 0,
const wxString& name = wxT("GLCanvas"), int *attribList = 0, const wxPalette& palette = wxNullPalette );
~wxGLCanvas();
bool Create(wxWindow *parent, const wxGLContext *shared, wxWindowID id,
const wxPoint& pos, const wxSize& size, long style, const wxString& name,
int *attribList, const wxPalette& palette);
void SetCurrent();
void SetColour(const wxChar *colour);
void SwapBuffers();
void UpdateContext();
void SetViewport();
virtual bool Show(bool show = TRUE) ;
// Unlike some other platforms, this must get called if you override it.
// It sets the viewport correctly and update the context.
// You shouldn't call glViewport yourself either (use SetViewport if you must reset it.)
void OnSize(wxSizeEvent& event);
virtual void MacSuperChangedPosition() ;
virtual void MacTopLevelWindowChangedPosition() ;
virtual void MacSuperShown( bool show ) ;
void MacUpdateView() ;
inline wxGLContext* GetContext() const { return m_glContext; }
protected:
wxGLContext* m_glContext;
bool m_macCanvasIsShown ;
DECLARE_EVENT_TABLE()
};
#endif // wxUSE_GLCANVAS
#endif // _WX_GLCANVAS_H_