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  • /***********************************************************************
     * FXRuby -- the Ruby language bindings for the FOX GUI toolkit.
    
     * Copyright (c) 2001-2009 by Lyle Johnson. 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
     *
     * For further information please contact the author by e-mail
    
     * at "lyle@lylejohnson.name".
    
     ***********************************************************************/
    
    %rename("shared?") FXGLCanvas::isShared() const;
    
    /// GLCanvas, an area drawn by another object
    class FXGLCanvas : public FXCanvas {
    protected:
      void        *ctx;     // GL Context
    protected:
      FXGLCanvas();
    public:
      %extend {
        /**
        * 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){
          return new FXRbGLCanvas(p,vis,tgt,sel,opts,x,y,w,h);
          }
      
        /**
        * 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 new FXRbGLCanvas(p,vis,sharegroup,tgt,sel,opts,x,y,w,h);
          }
        }
    
      /// Return TRUE if it is sharing display lists
      FXbool isShared() const;
      
      %extend {
        /// Return current context, if any
        static unsigned long getCurrentContext(){
          return reinterpret_cast<unsigned long>(FXGLCanvas::getCurrentContext());
          }
    
        /// Get GL context handle
        unsigned long getContext() const {
          return reinterpret_cast<unsigned long>(self->getContext());
          }
        }
      
      /// Destructor
      virtual ~FXGLCanvas();
      };
    
    
    DECLARE_FXOBJECT_VIRTUALS(FXGLCanvas)
    DECLARE_FXID_VIRTUALS(FXGLCanvas)
    DECLARE_FXDRAWABLE_VIRTUALS(FXGLCanvas)
    DECLARE_FXWINDOW_VIRTUALS(FXGLCanvas)
    DECLARE_FXGLCANVAS_VIRTUALS(FXGLCanvas)
    
    %{
    static swig_type_info *FXGLCanvas_dynamic_cast(void **ptr) {
        FXGLCanvas **ppGLCanvas = reinterpret_cast<FXGLCanvas **>(ptr);
        FXGLViewer *pGLViewer=dynamic_cast<FXGLViewer*>(*ppGLCanvas);
        if(pGLViewer){
          *ptr=reinterpret_cast<void*>(pGLViewer);
          return SWIG_TypeQuery("FXGLViewer *");
          }
        return 0;
    }
    %}
    
    DYNAMIC_CAST(SWIGTYPE_p_FXGLCanvas, FXGLCanvas_dynamic_cast);