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/********************************************************************************
* *
* G L C a n v a s W i n d o w W i d g e t *
* *
*********************************************************************************
* Copyright (C) 1997,2005 by Jeroen van der Zijp. All Rights Reserved. *
*********************************************************************************
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public *
* License as published by the Free Software Foundation; either *
* version 2.1 of the License, or (at your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; if not, write to the Free Software *
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. *
*********************************************************************************
* $Id: FXGLCanvas.h 2231 2005-11-09 03:16:46Z lyle $ *
********************************************************************************/
#ifndef FXGLCANVAS_H
#define FXGLCANVAS_H
#ifndef FXCANVAS_H
#include "FXCanvas.h"
#endif
namespace FX {
class FXGLVisual;
/// GLCanvas, an area drawn by another object
class FXAPI FXGLCanvas : public FXCanvas {
FXDECLARE(FXGLCanvas)
private:
FXGLCanvas *sgnext; // Share group next in share list
FXGLCanvas *sgprev; // Share group previous in share list
protected:
void *ctx; // GL Context
protected:
FXGLCanvas();
private:
FXGLCanvas(const FXGLCanvas&);
FXGLCanvas &operator=(const FXGLCanvas&);
#ifdef WIN32
virtual const char* GetClass() const;
#endif
public:
/**
* Construct an OpenGL-capable canvas, with its own private display list.
*/
FXGLCanvas(FXComposite* p,FXGLVisual *vis,FXObject* tgt=NULL,FXSelector sel=0,FXuint opts=0,FXint x=0,FXint y=0,FXint w=0,FXint h=0);
/**
* Construct an OpenGL-capable canvas, sharing display
* list with another GL canvas. This canvas becomes a member
* of a display list share group. All members of the display
* list share group have to have the same visual.
*/
FXGLCanvas(FXComposite* p,FXGLVisual *vis,FXGLCanvas* sharegroup,FXObject* tgt=NULL,FXSelector sel=0,FXuint opts=0,FXint x=0,FXint y=0,FXint w=0,FXint h=0);
/// Return TRUE if it is sharing display lists
FXbool isShared() const;
/// Create all of the server-side resources for this window
virtual void create();
/// Detach the server-side resources for this window
virtual void detach();
/// Destroy the server-side resources for this window
virtual void destroy();
/// Make OpenGL context current prior to performing OpenGL commands
virtual FXbool makeCurrent();
/// Make OpenGL context non current
virtual FXbool makeNonCurrent();
/// Return TRUE if this window's context is current
virtual FXbool isCurrent() const;
/// Return current context, if any
static void* getCurrentContext();
/// Get GL context handle
void* getContext() const { return ctx; }
/// Swap front and back buffer
virtual void swapBuffers();
/// Save object to stream
virtual void save(FXStream& store) const;
/// Load object from stream
virtual void load(FXStream& store);
/// Destructor
virtual ~FXGLCanvas();
};
}
#endif