wxWidgets/include/wx/msw/glcanvas.h
Robert Roebling b7ea712cc2 Commit Carsten Fuchs' patch for separating wxGLCanvas
and wxGLContext on GTK and MSW.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@41031 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2006-09-06 13:31:20 +00:00

157 lines
5.2 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// 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: $Id$
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_GLCANVAS_H_
#define _WX_GLCANVAS_H_
#include "wx/palette.h"
#include "wx/scrolwin.h"
#include <windows.h>
#include "wx/msw/winundef.h"
#include <GL/gl.h>
//---------------------------------------------------------------------------
// Constants for attriblist
//---------------------------------------------------------------------------
// The generic GL implementation doesn't support most of these options,
// such as stereo, auxiliary buffers, alpha channel, and accum buffer.
// Other implementations may actually support them.
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 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();
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_