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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>OGR: ogr_core.h Source File</title><link href="doxygen.css" rel="stylesheet" type="text/css"><link href="tabs.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.5.1 --><div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="annotated.html"><span>Classes</span></a></li> <li id="current"><a href="files.html"><span>Files</span></a></li> <li><a href="dirs.html"><span>Directories</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> </ul></div><div class="tabs"> <ul> <li><a href="files.html"><span>File List</span></a></li> <li><a href="globals.html"><span>File Members</span></a></li> </ul></div><h1>ogr_core.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"> * $Id: ogr_core.h 10646 2007-01-18 02:38:10Z warmerdam $</span><a name="l00003"></a>00003 <span class="comment"> *</span><a name="l00004"></a>00004 <span class="comment"> * Project: OpenGIS Simple Features Reference Implementation</span><a name="l00005"></a>00005 <span class="comment"> * Purpose: Define some core portability services for cross-platform OGR code.</span><a name="l00006"></a>00006 <span class="comment"> * Author: Frank Warmerdam, warmerdam@pobox.com</span><a name="l00007"></a>00007 <span class="comment"> *</span><a name="l00008"></a>00008 <span class="comment"> ******************************************************************************</span><a name="l00009"></a>00009 <span class="comment"> * Copyright (c) 1999, Frank Warmerdam</span><a name="l00010"></a>00010 <span class="comment"> *</span><a name="l00011"></a>00011 <span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining a</span><a name="l00012"></a>00012 <span class="comment"> * copy of this software and associated documentation files (the "Software"),</span><a name="l00013"></a>00013 <span class="comment"> * to deal in the Software without restriction, including without limitation</span><a name="l00014"></a>00014 <span class="comment"> * the rights to use, copy, modify, merge, publish, distribute, sublicense,</span><a name="l00015"></a>00015 <span class="comment"> * and/or sell copies of the Software, and to permit persons to whom the</span><a name="l00016"></a>00016 <span class="comment"> * Software is furnished to do so, subject to the following conditions:</span><a name="l00017"></a>00017 <span class="comment"> *</span><a name="l00018"></a>00018 <span class="comment"> * The above copyright notice and this permission notice shall be included</span><a name="l00019"></a>00019 <span class="comment"> * in all copies or substantial portions of the Software.</span><a name="l00020"></a>00020 <span class="comment"> *</span><a name="l00021"></a>00021 <span class="comment"> * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS</span><a name="l00022"></a>00022 <span class="comment"> * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span><a name="l00023"></a>00023 <span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL</span><a name="l00024"></a>00024 <span class="comment"> * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span><a name="l00025"></a>00025 <span class="comment"> * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING</span><a name="l00026"></a>00026 <span class="comment"> * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER</span><a name="l00027"></a>00027 <span class="comment"> * DEALINGS IN THE SOFTWARE.</span><a name="l00028"></a>00028 <span class="comment"> ****************************************************************************/</span><a name="l00029"></a>00029 <a name="l00030"></a>00030 <span class="preprocessor">#ifndef _OGR_CORE_H_INCLUDED</span><a name="l00031"></a>00031 <span class="preprocessor"></span><span class="preprocessor">#define _OGR_CORE_H_INCLUDED</span><a name="l00032"></a>00032 <span class="preprocessor"></span><a name="l00033"></a>00033 <span class="preprocessor">#include "<a class="code" href="cpl__port_8h.html">cpl_port.h</a>"</span><a name="l00034"></a>00034 <a name="l00039"></a>00039 <span class="preprocessor">#ifdef __cplusplus</span><a name="l00040"></a><a class="code" href="classOGREnvelope.html">00040</a> <span class="preprocessor"></span><span class="keyword">class </span>CPL_DLL <a class="code" href="classOGREnvelope.html">OGREnvelope</a><a name="l00041"></a>00041 {<a name="l00042"></a>00042 <span class="keyword">public</span>:<a name="l00043"></a>00043 <a class="code" href="classOGREnvelope.html">OGREnvelope</a>()<a name="l00044"></a>00044 {<a name="l00045"></a>00045 MinX = MaxX = MinY = MaxY = 0;<a name="l00046"></a>00046 }<a name="l00047"></a>00047 <span class="keywordtype">double</span> MinX;<a name="l00048"></a>00048 <span class="keywordtype">double</span> MaxX;<a name="l00049"></a>00049 <span class="keywordtype">double</span> MinY;<a name="l00050"></a>00050 <span class="keywordtype">double</span> MaxY;<a name="l00051"></a>00051 <a name="l00052"></a>00052 <span class="keywordtype">int</span> IsInit() { <span class="keywordflow">return</span> MinX != 0 || MinY != 0 || MaxX != 0 || MaxY != 0; }<a name="l00053"></a>00053 <span class="keywordtype">void</span> Merge( <a class="code" href="classOGREnvelope.html">OGREnvelope</a> & sOther ) {<a name="l00054"></a>00054 <span class="keywordflow">if</span>( IsInit() )<a name="l00055"></a>00055 {<a name="l00056"></a>00056 MinX = MIN(MinX,sOther.<a class="code" href="classOGREnvelope.html#5cd0496c5505caf1bfedcbf1a396d30f">MinX</a>);<a name="l00057"></a>00057 MaxX = MAX(MaxX,sOther.<a class="code" href="classOGREnvelope.html#55cd25e093379420a241a517b4327814">MaxX</a>);<a name="l00058"></a>00058 MinY = MIN(MinY,sOther.<a class="code" href="classOGREnvelope.html#373ec4657ccea1b46db49c87dac48462">MinY</a>);<a name="l00059"></a>00059 MaxY = MAX(MaxY,sOther.<a class="code" href="classOGREnvelope.html#5e80b4ff0411586fe072308244c9ca90">MaxY</a>);<a name="l00060"></a>00060 }<a name="l00061"></a>00061 <span class="keywordflow">else</span><a name="l00062"></a>00062 {<a name="l00063"></a>00063 MinX = sOther.<a class="code" href="classOGREnvelope.html#5cd0496c5505caf1bfedcbf1a396d30f">MinX</a>;<a name="l00064"></a>00064 MaxX = sOther.<a class="code" href="classOGREnvelope.html#55cd25e093379420a241a517b4327814">MaxX</a>;<a name="l00065"></a>00065 MinY = sOther.<a class="code" href="classOGREnvelope.html#373ec4657ccea1b46db49c87dac48462">MinY</a>;<a name="l00066"></a>00066 MaxY = sOther.<a class="code" href="classOGREnvelope.html#5e80b4ff0411586fe072308244c9ca90">MaxY</a>;<a name="l00067"></a>00067 }<a name="l00068"></a>00068 }<a name="l00069"></a>00069 };<a name="l00070"></a>00070 <span class="preprocessor">#else</span><a name="l00071"></a>00071 <span class="preprocessor"></span><span class="keyword">typedef</span> <span class="keyword">struct</span><a name="l00072"></a>00072 <span class="keyword"></span>{<a name="l00073"></a>00073 <span class="keywordtype">double</span> MinX;<a name="l00074"></a>00074 <span class="keywordtype">double</span> MaxX;<a name="l00075"></a>00075 <span class="keywordtype">double</span> MinY;<a name="l00076"></a>00076 <span class="keywordtype">double</span> MaxY;<a name="l00077"></a>00077 } <a class="code" href="classOGREnvelope.html">OGREnvelope</a>;<a name="l00078"></a>00078 <span class="preprocessor">#endif</span><a name="l00079"></a>00079 <span class="preprocessor"></span><a name="l00080"></a>00080 CPL_C_START<a name="l00081"></a>00081 <a name="l00082"></a>00082 <span class="keywordtype">void</span> CPL_DLL *OGRMalloc( size_t );<a name="l00083"></a>00083 <span class="keywordtype">void</span> CPL_DLL *OGRCalloc( size_t, size_t );<a name="l00084"></a>00084 <span class="keywordtype">void</span> CPL_DLL *OGRRealloc( <span class="keywordtype">void</span> *, size_t );<a name="l00085"></a>00085 <span class="keywordtype">char</span> CPL_DLL *OGRStrdup( <span class="keyword">const</span> <span class="keywordtype">char</span> * );<a name="l00086"></a>00086 <span class="keywordtype">void</span> CPL_DLL OGRFree( <span class="keywordtype">void</span> * );<a name="l00087"></a>00087 <a name="l00088"></a>00088 <span class="keyword">typedef</span> <span class="keywordtype">int</span> OGRErr;<a name="l00089"></a>00089 <a name="l00090"></a>00090 <span class="preprocessor">#define OGRERR_NONE 0</span><a name="l00091"></a>00091 <span class="preprocessor"></span><span class="preprocessor">#define OGRERR_NOT_ENOUGH_DATA 1 </span><span class="comment">/* not enough data to deserialize */</span><a name="l00092"></a>00092 <span class="preprocessor">#define OGRERR_NOT_ENOUGH_MEMORY 2</span><a name="l00093"></a>00093 <span class="preprocessor"></span><span class="preprocessor">#define OGRERR_UNSUPPORTED_GEOMETRY_TYPE 3</span><a name="l00094"></a>00094 <span class="preprocessor"></span><span class="preprocessor">#define OGRERR_UNSUPPORTED_OPERATION 4</span><a name="l00095"></a>00095 <span class="preprocessor"></span><span class="preprocessor">#define OGRERR_CORRUPT_DATA 5</span><a name="l00096"></a>00096 <span class="preprocessor"></span><span class="preprocessor">#define OGRERR_FAILURE 6</span><a name="l00097"></a>00097 <span class="preprocessor"></span><span class="preprocessor">#define OGRERR_UNSUPPORTED_SRS 7</span><a name="l00098"></a>00098 <span class="preprocessor"></span><a name="l00099"></a>00099 <span class="keyword">typedef</span> <span class="keywordtype">int</span> OGRBoolean;<a name="l00100"></a>00100 <a name="l00101"></a>00101 <span class="comment">/* -------------------------------------------------------------------- */</span><a name="l00102"></a>00102 <span class="comment">/* ogr_geometry.h related definitions. */</span><a name="l00103"></a>00103 <span class="comment">/* -------------------------------------------------------------------- */</span><a name="l00110"></a>00110 <span class="keyword">typedef</span> <span class="keyword">enum</span> <a name="l00111"></a>00111 {<a name="l00112"></a>00112 wkbUnknown = 0, <span class="comment">/* non-standard */</span><a name="l00113"></a>00113 wkbPoint = 1, <span class="comment">/* rest are standard WKB type codes */</span><a name="l00114"></a>00114 wkbLineString = 2,<a name="l00115"></a>00115 wkbPolygon = 3,<a name="l00116"></a>00116 wkbMultiPoint = 4,<a name="l00117"></a>00117 wkbMultiLineString = 5,<a name="l00118"></a>00118 wkbMultiPolygon = 6,<a name="l00119"></a>00119 wkbGeometryCollection = 7,<a name="l00120"></a>00120 wkbNone = 100, <span class="comment">/* non-standard, for pure attribute records */</span><a name="l00121"></a>00121 wkbLinearRing = 101, <span class="comment">/* non-standard, just for createGeometry() */</span><a name="l00122"></a>00122 wkbPoint25D = 0x80000001, <span class="comment">/* 2.5D extensions as per 99-402 */</span><a name="l00123"></a>00123 wkbLineString25D = 0x80000002,<a name="l00124"></a>00124 wkbPolygon25D = 0x80000003,<a name="l00125"></a>00125 wkbMultiPoint25D = 0x80000004,<a name="l00126"></a>00126 wkbMultiLineString25D = 0x80000005,⌨️ 快捷键说明
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