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/////////////////////////////////////////////////////////////////////////////
// Name: wx/msw/glcanvas.h
// Purpose: wxGLCanvas, for using OpenGL with wxWidgets under Windows
// Author: Julian Smart
// Modified by:
// Created: 04/01/98
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_GLCANVAS_H_
#define _WX_GLCANVAS_H_
#include "wx/palette.h"
#include "wx/msw/wrapwin.h"
#include <GL/gl.h>
// ----------------------------------------------------------------------------
// wxGLContext: OpenGL rendering context
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_GL wxGLContext : public wxGLContextBase
{
public:
wxGLContext(wxGLCanvas *win, const wxGLContext* other = NULL);
virtual ~wxGLContext();
virtual bool SetCurrent(const wxGLCanvas& win) const;
HGLRC GetGLRC() const { return m_glContext; }
protected:
HGLRC m_glContext;
private:
DECLARE_CLASS(wxGLContext)
};
// ----------------------------------------------------------------------------
// wxGLCanvas: OpenGL output window
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_GL wxGLCanvas : public wxGLCanvasBase
{
public:
wxEXPLICIT // avoid implicitly converting a wxWindow* to wxGLCanvas
wxGLCanvas(wxWindow *parent,
wxWindowID id = wxID_ANY,
const int *attribList = NULL,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = 0,
const wxString& name = wxGLCanvasName,
const wxPalette& palette = wxNullPalette);
bool Create(wxWindow *parent,
wxWindowID id = wxID_ANY,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = 0,
const wxString& name = wxGLCanvasName,
const int *attribList = NULL,
const wxPalette& palette = wxNullPalette);
virtual ~wxGLCanvas();
// implement wxGLCanvasBase methods
virtual bool SwapBuffers();
// MSW-specific helpers
// --------------------
// get the HDC used for OpenGL rendering
HDC GetHDC() const { return m_hDC; }
// try to find pixel format matching the given attributes list for the
// specified HDC, return 0 on error, otherwise pfd is filled in with the
// information from attribList if non-NULL
static int ChooseMatchingPixelFormat(HDC hdc, const int *attribList,
PIXELFORMATDESCRIPTOR *pfd = NULL);
#if wxUSE_PALETTE
// palette stuff
bool SetupPalette(const wxPalette& palette);
virtual wxPalette CreateDefaultPalette();
void OnQueryNewPalette(wxQueryNewPaletteEvent& event);
void OnPaletteChanged(wxPaletteChangedEvent& event);
#endif // wxUSE_PALETTE
// deprecated methods using the implicit wxGLContext, associate the context
// explicitly with the window instead
#if WXWIN_COMPATIBILITY_2_8
wxDEPRECATED(
wxGLCanvas(wxWindow *parent,
wxWindowID id = wxID_ANY,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = 0,
const wxString& name = wxGLCanvasName,
const int *attribList = NULL,
const wxPalette& palette = wxNullPalette)
);
wxDEPRECATED(
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,
const int *attribList = NULL,
const wxPalette& palette = wxNullPalette)
);
wxDEPRECATED(
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,
const int *attribList = NULL,
const wxPalette& palette = wxNullPalette)
);
#endif // WXWIN_COMPATIBILITY_2_8
protected:
// common part of all ctors
void Init();
// the real window creation function, Create() may reuse it twice as we may
// need to create an OpenGL window to query the available extensions and
// then potentially delete and recreate it with another pixel format
bool CreateWindow(wxWindow *parent,
wxWindowID id = wxID_ANY,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = 0,
const wxString& name = wxGLCanvasName);
// set up the pixel format using the given attributes and palette
int DoSetup(PIXELFORMATDESCRIPTOR &pfd, const int *attribList);
// HDC for this window, we keep it all the time
HDC m_hDC;
private:
DECLARE_EVENT_TABLE()
DECLARE_CLASS(wxGLCanvas)
};
#endif // _WX_GLCANVAS_H_
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