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<h1>FXGLCanvas.h</h1><div class="fragment"><pre>00001 <span class="comment">/********************************************************************************</span>
00002 <span class="comment">* *</span>
00003 <span class="comment">* G L C a n v a s W i n d o w W i d g e t *</span>
00004 <span class="comment">* *</span>
00005 <span class="comment">*********************************************************************************</span>
00006 <span class="comment">* Copyright (C) 1997,2004 by Jeroen van der Zijp. All Rights Reserved. *</span>
00007 <span class="comment">*********************************************************************************</span>
00008 <span class="comment">* This library is free software; you can redistribute it and/or *</span>
00009 <span class="comment">* modify it under the terms of the GNU Lesser General Public *</span>
00010 <span class="comment">* License as published by the Free Software Foundation; either *</span>
00011 <span class="comment">* version 2.1 of the License, or (at your option) any later version. *</span>
00012 <span class="comment">* *</span>
00013 <span class="comment">* This library is distributed in the hope that it will be useful, *</span>
00014 <span class="comment">* but WITHOUT ANY WARRANTY; without even the implied warranty of *</span>
00015 <span class="comment">* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *</span>
00016 <span class="comment">* Lesser General Public License for more details. *</span>
00017 <span class="comment">* *</span>
00018 <span class="comment">* You should have received a copy of the GNU Lesser General Public *</span>
00019 <span class="comment">* License along with this library; if not, write to the Free Software *</span>
00020 <span class="comment">* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. *</span>
00021 <span class="comment">*********************************************************************************</span>
00022 <span class="comment">* $Id: FXGLCanvas.h,v 1.29 2004/02/08 17:17:33 fox Exp $ *</span>
00023 <span class="comment">********************************************************************************/</span>
00024 <span class="preprocessor">#ifndef FXGLCANVAS_H</span>
00025 <span class="preprocessor"></span><span class="preprocessor">#define FXGLCANVAS_H</span>
00026 <span class="preprocessor"></span>
00027 <span class="preprocessor">#ifndef FXCANVAS_H</span>
00028 <span class="preprocessor"></span><span class="preprocessor">#include "FXCanvas.h"</span>
00029 <span class="preprocessor">#endif</span>
00030 <span class="preprocessor"></span>
00031 <span class="keyword">namespace </span>FX {
00032
00033
00034 <span class="keyword">class </span>FXGLVisual;
00035
00036 <span class="comment"></span>
00037 <span class="comment">/// GLCanvas, an area drawn by another object</span>
<a name="l00038"></a><a class="code" href="classFX_1_1FXGLCanvas.html">00038</a> <span class="comment"></span><span class="keyword">class </span>FXAPI FXGLCanvas : <span class="keyword">public</span> <a class="code" href="classFX_1_1FXCanvas.html">FXCanvas</a> {
00039 FXDECLARE(FXGLCanvas)
00040 <span class="keyword">private</span>:
00041 FXGLCanvas *sgnext; <span class="comment">// Share group next in share list</span>
00042 FXGLCanvas *sgprev; <span class="comment">// Share group previous in share list</span>
00043 <span class="keyword">protected</span>:
00044 <span class="keywordtype">void</span> *ctx; <span class="comment">// GL Context</span>
00045 <span class="keyword">protected</span>:
00046 FXGLCanvas();
00047 <span class="keyword">private</span>:
00048 FXGLCanvas(<span class="keyword">const</span> FXGLCanvas&);
00049 FXGLCanvas &operator=(<span class="keyword">const</span> FXGLCanvas&);
00050 <span class="preprocessor">#ifdef WIN32</span>
00051 <span class="preprocessor"></span> <span class="keyword">virtual</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* GetClass() <span class="keyword">const</span>;
00052 <span class="preprocessor">#endif</span>
00053 <span class="preprocessor"></span><span class="keyword">public</span>:
00054 <span class="comment"></span>
00055 <span class="comment"> /**</span>
00056 <span class="comment"> * Construct an OpenGL-capable canvas, with its own private display list.</span>
00057 <span class="comment"> */</span>
00058 FXGLCanvas(<a class="code" href="classFX_1_1FXComposite.html">FXComposite</a>* p,<a class="code" href="classFX_1_1FXGLVisual.html">FXGLVisual</a> *vis,<a class="code" href="classFX_1_1FXObject.html">FXObject</a>* tgt=NULL,FXSelector sel=0,FXuint opts=0,FXint x=0,FXint y=0,FXint w=0,FXint h=0);
00059 <span class="comment"></span>
00060 <span class="comment"> /**</span>
00061 <span class="comment"> * Construct an OpenGL-capable canvas, sharing display</span>
00062 <span class="comment"> * list with another GL canvas. This canvas becomes a member</span>
00063 <span class="comment"> * of a display list share group. All members of the display</span>
00064 <span class="comment"> * list share group have to have the same visual.</span>
00065 <span class="comment"> */</span>
00066 FXGLCanvas(<a class="code" href="classFX_1_1FXComposite.html">FXComposite</a>* p,<a class="code" href="classFX_1_1FXGLVisual.html">FXGLVisual</a> *vis,FXGLCanvas* sharegroup,<a class="code" href="classFX_1_1FXObject.html">FXObject</a>* tgt=NULL,FXSelector sel=0,FXuint opts=0,FXint x=0,FXint y=0,FXint w=0,FXint h=0);
00067 <span class="comment"></span>
00068 <span class="comment"> /// Return TRUE if it is sharing display lists</span>
00069 <span class="comment"></span> FXbool isShared() <span class="keyword">const</span>;
00070 <span class="comment"></span>
00071 <span class="comment"> /// Create all of the server-side resources for this window</span>
00072 <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> create();
00073 <span class="comment"></span>
00074 <span class="comment"> /// Detach the server-side resources for this window</span>
00075 <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> detach();
00076 <span class="comment"></span>
<a name="l00077"></a><a class="code" href="classFX_1_1FXGLCanvas.html#a9">00077</a> <span class="comment"> /// Destroy the server-side resources for this window</span>
00078 <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> destroy();
00079 <span class="comment"></span>
00080 <span class="comment"> /// Make OpenGL context current prior to performing OpenGL commands</span>
00081 <span class="comment"></span> <span class="keyword">virtual</span> FXbool makeCurrent();
00082 <span class="comment"></span>
00083 <span class="comment"> /// Make OpenGL context non current</span>
00084 <span class="comment"></span> <span class="keyword">virtual</span> FXbool makeNonCurrent();
00085 <span class="comment"></span>
00086 <span class="comment"> /// Return TRUE if context is current</span>
00087 <span class="comment"></span> <span class="keyword">virtual</span> FXbool isCurrent() <span class="keyword">const</span>;
00088 <span class="comment"></span>
00089 <span class="comment"> /// Get GL context handle</span>
00090 <span class="comment"></span> <span class="keywordtype">void</span>* getContext()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> ctx; }
00091 <span class="comment"></span>
00092 <span class="comment"> /// Swap front and back buffer</span>
00093 <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> swapBuffers();
00094 <span class="comment"></span>
00095 <span class="comment"> /// Save object to stream</span>
00096 <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> save(FXStream& store) <span class="keyword">const</span>;
00097 <span class="comment"></span>
00098 <span class="comment"> /// Load object from stream</span>
00099 <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> load(FXStream& store);
00100 <span class="comment"></span>
00101 <span class="comment"> /// Destructor</span>
00102 <span class="comment"></span> <span class="keyword">virtual</span> ~FXGLCanvas();
00103 };
00104
00105 }
00106
00107 <span class="preprocessor">#endif</span>
00108 <span class="preprocessor"></span>
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