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<h1>g2_device.h</h1><div class="fragment"><pre>00001 <span class="comment">/*****************************************************************************</span>
00002 <span class="comment">** Copyright (C) 1998-2001 Ljubomir Milanovic & Horst Wagner</span>
00003 <span class="comment">** This file is part of the g2 library</span>
00004 <span class="comment">**</span>
00005 <span class="comment">** This library is free software; you can redistribute it and/or</span>
00006 <span class="comment">** modify it under the terms of the GNU Lesser General Public</span>
00007 <span class="comment">** License as published by the Free Software Foundation; either</span>
00008 <span class="comment">** version 2.1 of the License, or (at your option) any later version.</span>
00009 <span class="comment">**</span>
00010 <span class="comment">** This library is distributed in the hope that it will be useful,</span>
00011 <span class="comment">** but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
00012 <span class="comment">** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
00013 <span class="comment">** Lesser General Public License for more details.</span>
00014 <span class="comment">**</span>
00015 <span class="comment">** You should have received a copy of the GNU Lesser General Public</span>
00016 <span class="comment">** License along with this library; if not, write to the Free Software</span>
00017 <span class="comment">** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span>
00018 <span class="comment">******************************************************************************/</span>
00019 <span class="preprocessor">#ifndef _G2_DEVICE_H</span>
00020 <span class="preprocessor"></span><span class="preprocessor">#define _G2_DEVICE_H</span>
00021 <span class="preprocessor"></span>
00022 <span class="preprocessor">#include "g2_physical_device.h"</span>
00023 <span class="preprocessor">#include "g2_virtual_device.h"</span>
00024
00025 <span class="keyword">extern</span> <span class="keywordtype">int</span> __g2_last_device; <span class="comment">/* last accessed device (ld) */</span>
00026
00027
00028 <span class="keyword">typedef</span> <span class="keyword">enum</span> _g2_dev_type {
00029 g2_ILLEGAL=-1, <span class="comment">/* illegal device type */</span>
00030 g2_NDEV=0, <span class="comment">/* no device associated */</span>
00031 g2_PD, <span class="comment">/* physical device */</span>
00032 g2_VD <span class="comment">/* virtual device */</span>
00033 } g2_device_type;
00034
00035
00036 <span class="keyword">typedef</span> <span class="keyword">struct </span>_g2_device {
00037 g2_device_type t; <span class="comment">/* device type */</span>
00038 <span class="keywordtype">int</span> dix; <span class="comment">/* dev index in array (g2_dev) */</span>
00039 <span class="keyword">union </span>{
00040 g2_physical_device *pd;
00041 g2_virtual_device *vd;
00042 } d; <span class="comment">/* device */</span>
00043 <span class="keywordtype">double</span> x; <span class="comment">/* graphical cursor */</span>
00044 <span class="keywordtype">double</span> y;
00045 <span class="keywordtype">int</span> auto_flush; <span class="comment">/* 1-on 0-off */</span>
00046 <span class="keywordtype">double</span> QPd; <span class="comment">/* Quasi pixel spec. */</span>
00047 <span class="keyword">enum</span> QPshape QPshape;
00048 } g2_device;
00049
00050
00051 <span class="keywordtype">int</span> g2_register_physical_device(<span class="keywordtype">int</span> pid,
00052 <span class="keywordtype">void</span> *pdp,
00053 g2_coor ct,
00054 <span class="keyword">const</span> g2_funix_fun *ff,
00055 <span class="keywordtype">double</span> a11, <span class="keywordtype">double</span> a22,
00056 <span class="keywordtype">double</span> b1, <span class="keywordtype">double</span> b2);
00057 <span class="keywordtype">int</span> g2_register_virtual_device();
00058
00059 g2_device *g2_get_device_pointer(<span class="keywordtype">int</span> dix);
00060 g2_device_type g2_get_device_type(<span class="keywordtype">int</span> dix);
00061 <span class="keywordtype">void</span> g2_destroy_device(<span class="keywordtype">int</span> dix);
00062
00063
00064 <span class="preprocessor">#endif </span><span class="comment">/* _G2_DEVICE_H */</span>
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