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<h1>g2_device.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*****************************************************************************</span>
<a name="l00002"></a>00002 <span class="comment">** Copyright (C) 1998-2001 Ljubomir Milanovic & Horst Wagner</span>
<a name="l00003"></a>00003 <span class="comment">** This file is part of the g2 library</span>
<a name="l00004"></a>00004 <span class="comment">**</span>
<a name="l00005"></a>00005 <span class="comment">** This library is free software; you can redistribute it and/or</span>
<a name="l00006"></a>00006 <span class="comment">** modify it under the terms of the GNU Lesser General Public</span>
<a name="l00007"></a>00007 <span class="comment">** License as published by the Free Software Foundation; either</span>
<a name="l00008"></a>00008 <span class="comment">** version 2.1 of the License, or (at your option) any later version.</span>
<a name="l00009"></a>00009 <span class="comment">**</span>
<a name="l00010"></a>00010 <span class="comment">** This library is distributed in the hope that it will be useful,</span>
<a name="l00011"></a>00011 <span class="comment">** but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00012"></a>00012 <span class="comment">** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00013"></a>00013 <span class="comment">** Lesser General Public License for more details.</span>
<a name="l00014"></a>00014 <span class="comment">**</span>
<a name="l00015"></a>00015 <span class="comment">** You should have received a copy of the GNU Lesser General Public</span>
<a name="l00016"></a>00016 <span class="comment">** License along with this library; if not, write to the Free Software</span>
<a name="l00017"></a>00017 <span class="comment">** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span>
<a name="l00018"></a>00018 <span class="comment">******************************************************************************/</span>
<a name="l00019"></a>00019 <span class="preprocessor">#ifndef _G2_DEVICE_H</span>
<a name="l00020"></a>00020 <span class="preprocessor"></span><span class="preprocessor">#define _G2_DEVICE_H</span>
<a name="l00021"></a>00021 <span class="preprocessor"></span>
<a name="l00022"></a>00022 <span class="preprocessor">#include "g2_physical_device.h"</span>
<a name="l00023"></a>00023 <span class="preprocessor">#include "g2_virtual_device.h"</span>
<a name="l00024"></a>00024
<a name="l00025"></a>00025 <span class="keyword">extern</span> <span class="keywordtype">int</span> __g2_last_device; <span class="comment">/* last accessed device (ld) */</span>
<a name="l00026"></a>00026
<a name="l00027"></a>00027
<a name="l00028"></a>00028 <span class="keyword">typedef</span> <span class="keyword">enum</span> _g2_dev_type {
<a name="l00029"></a>00029 g2_ILLEGAL=-1, <span class="comment">/* illegal device type */</span>
<a name="l00030"></a>00030 g2_NDEV=0, <span class="comment">/* no device associated */</span>
<a name="l00031"></a>00031 g2_PD, <span class="comment">/* physical device */</span>
<a name="l00032"></a>00032 g2_VD <span class="comment">/* virtual device */</span>
<a name="l00033"></a>00033 } g2_device_type;
<a name="l00034"></a>00034
<a name="l00035"></a>00035
<a name="l00036"></a>00036 <span class="keyword">typedef</span> <span class="keyword">struct </span>_g2_device {
<a name="l00037"></a>00037 g2_device_type t; <span class="comment">/* device type */</span>
<a name="l00038"></a>00038 <span class="keywordtype">int</span> dix; <span class="comment">/* dev index in array (g2_dev) */</span>
<a name="l00039"></a>00039 <span class="keyword">union </span>{
<a name="l00040"></a>00040 g2_physical_device *pd;
<a name="l00041"></a>00041 g2_virtual_device *vd;
<a name="l00042"></a>00042 } d; <span class="comment">/* device */</span>
<a name="l00043"></a>00043 <span class="keywordtype">double</span> x; <span class="comment">/* graphical cursor */</span>
<a name="l00044"></a>00044 <span class="keywordtype">double</span> y;
<a name="l00045"></a>00045 <span class="keywordtype">int</span> auto_flush; <span class="comment">/* 1-on 0-off */</span>
<a name="l00046"></a>00046 <span class="keywordtype">double</span> QPd; <span class="comment">/* Quasi pixel spec. */</span>
<a name="l00047"></a>00047 <span class="keyword">enum</span> QPshape QPshape;
<a name="l00048"></a>00048 } g2_device;
<a name="l00049"></a>00049
<a name="l00050"></a>00050
<a name="l00051"></a>00051 <span class="keywordtype">int</span> g2_register_physical_device(<span class="keywordtype">int</span> pid,
<a name="l00052"></a>00052 <span class="keywordtype">void</span> *pdp,
<a name="l00053"></a>00053 g2_coor ct,
<a name="l00054"></a>00054 <span class="keyword">const</span> g2_funix_fun *ff,
<a name="l00055"></a>00055 <span class="keywordtype">double</span> a11, <span class="keywordtype">double</span> a22,
<a name="l00056"></a>00056 <span class="keywordtype">double</span> b1, <span class="keywordtype">double</span> b2);
<a name="l00057"></a>00057 <span class="keywordtype">int</span> g2_register_virtual_device();
<a name="l00058"></a>00058
<a name="l00059"></a>00059 g2_device *g2_get_device_pointer(<span class="keywordtype">int</span> dix);
<a name="l00060"></a>00060 g2_device_type g2_get_device_type(<span class="keywordtype">int</span> dix);
<a name="l00061"></a>00061 <span class="keywordtype">void</span> g2_destroy_device(<span class="keywordtype">int</span> dix);
<a name="l00062"></a>00062
<a name="l00063"></a>00063
<a name="l00064"></a>00064 <span class="preprocessor">#endif </span><span class="comment">/* _G2_DEVICE_H */</span>
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