/usr/share/gtk-doc/html/libchamplain/ChamplainBoundingBox.html is in libchamplain-doc 0.12.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 | <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>ChamplainBoundingBox</title>
<meta name="generator" content="DocBook XSL Stylesheets V1.76.1">
<link rel="home" href="index.html" title="libchamplain Reference Manual">
<link rel="up" href="pt06.html" title="Part VI. Others">
<link rel="prev" href="ChamplainTile.html" title="ChamplainTile">
<link rel="next" href="libchamplain-ChamplainVersion.html" title="ChamplainVersion">
<meta name="generator" content="GTK-Doc V1.18 (XML mode)">
<link rel="stylesheet" href="style.css" type="text/css">
</head>
<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
<table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="2">
<tr valign="middle">
<td><a accesskey="p" href="ChamplainTile.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td>
<td><a accesskey="u" href="pt06.html"><img src="up.png" width="24" height="24" border="0" alt="Up"></a></td>
<td><a accesskey="h" href="index.html"><img src="home.png" width="24" height="24" border="0" alt="Home"></a></td>
<th width="100%" align="center">libchamplain Reference Manual</th>
<td><a accesskey="n" href="libchamplain-ChamplainVersion.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td>
</tr>
<tr><td colspan="5" class="shortcuts">
<a href="#ChamplainBoundingBox.synopsis" class="shortcut">Top</a>
|
<a href="#ChamplainBoundingBox.description" class="shortcut">Description</a>
|
<a href="#ChamplainBoundingBox.object-hierarchy" class="shortcut">Object Hierarchy</a>
</td></tr>
</table>
<div class="refentry">
<a name="ChamplainBoundingBox"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="ChamplainBoundingBox.top_of_page"></a>ChamplainBoundingBox</span></h2>
<p>ChamplainBoundingBox — A basic struct to describe a bounding box</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsynopsisdiv">
<a name="ChamplainBoundingBox.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">struct <a class="link" href="ChamplainBoundingBox.html#ChamplainBoundingBox-struct" title="struct ChamplainBoundingBox">ChamplainBoundingBox</a>;
<a class="link" href="ChamplainBoundingBox.html" title="ChamplainBoundingBox"><span class="returnvalue">ChamplainBoundingBox</span></a> * <a class="link" href="ChamplainBoundingBox.html#champlain-bounding-box-new" title="champlain_bounding_box_new ()">champlain_bounding_box_new</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
<a class="link" href="ChamplainBoundingBox.html" title="ChamplainBoundingBox"><span class="returnvalue">ChamplainBoundingBox</span></a> * <a class="link" href="ChamplainBoundingBox.html#champlain-bounding-box-copy" title="champlain_bounding_box_copy ()">champlain_bounding_box_copy</a> (<em class="parameter"><code>const <a class="link" href="ChamplainBoundingBox.html" title="ChamplainBoundingBox"><span class="type">ChamplainBoundingBox</span></a> *bbox</code></em>);
<span class="returnvalue">void</span> <a class="link" href="ChamplainBoundingBox.html#champlain-bounding-box-free" title="champlain_bounding_box_free ()">champlain_bounding_box_free</a> (<em class="parameter"><code><a class="link" href="ChamplainBoundingBox.html" title="ChamplainBoundingBox"><span class="type">ChamplainBoundingBox</span></a> *bbox</code></em>);
<span class="returnvalue">void</span> <a class="link" href="ChamplainBoundingBox.html#champlain-bounding-box-get-center" title="champlain_bounding_box_get_center ()">champlain_bounding_box_get_center</a> (<em class="parameter"><code><a class="link" href="ChamplainBoundingBox.html" title="ChamplainBoundingBox"><span class="type">ChamplainBoundingBox</span></a> *bbox</code></em>,
<em class="parameter"><code><span class="type">gdouble</span> *latitude</code></em>,
<em class="parameter"><code><span class="type">gdouble</span> *longitude</code></em>);
<span class="returnvalue">void</span> <a class="link" href="ChamplainBoundingBox.html#champlain-bounding-box-compose" title="champlain_bounding_box_compose ()">champlain_bounding_box_compose</a> (<em class="parameter"><code><a class="link" href="ChamplainBoundingBox.html" title="ChamplainBoundingBox"><span class="type">ChamplainBoundingBox</span></a> *bbox</code></em>,
<em class="parameter"><code><a class="link" href="ChamplainBoundingBox.html" title="ChamplainBoundingBox"><span class="type">ChamplainBoundingBox</span></a> *other</code></em>);
<span class="returnvalue">void</span> <a class="link" href="ChamplainBoundingBox.html#champlain-bounding-box-extend" title="champlain_bounding_box_extend ()">champlain_bounding_box_extend</a> (<em class="parameter"><code><a class="link" href="ChamplainBoundingBox.html" title="ChamplainBoundingBox"><span class="type">ChamplainBoundingBox</span></a> *bbox</code></em>,
<em class="parameter"><code><span class="type">gdouble</span> latitude</code></em>,
<em class="parameter"><code><span class="type">gdouble</span> longitude</code></em>);
<span class="returnvalue">gboolean</span> <a class="link" href="ChamplainBoundingBox.html#champlain-bounding-box-is-valid" title="champlain_bounding_box_is_valid ()">champlain_bounding_box_is_valid</a> (<em class="parameter"><code><a class="link" href="ChamplainBoundingBox.html" title="ChamplainBoundingBox"><span class="type">ChamplainBoundingBox</span></a> *bbox</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="ChamplainBoundingBox.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
GBoxed
+----ChamplainBoundingBox
</pre>
</div>
<div class="refsect1">
<a name="ChamplainBoundingBox.description"></a><h2>Description</h2>
<p>
A basic struct to describe a bounding box.
</p>
</div>
<div class="refsect1">
<a name="ChamplainBoundingBox.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="ChamplainBoundingBox-struct"></a><h3>struct ChamplainBoundingBox</h3>
<pre class="programlisting">struct ChamplainBoundingBox {
gdouble left;
gdouble top;
gdouble right;
gdouble bottom;
};
</pre>
<p>
Defines the area of a ChamplainMapDataSource that contains data.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><span class="type">gdouble</span> <em class="structfield"><code><a name="ChamplainBoundingBox-struct.left"></a>left</code></em>;</span></p></td>
<td>left coordinate</td>
</tr>
<tr>
<td><p><span class="term"><span class="type">gdouble</span> <em class="structfield"><code><a name="ChamplainBoundingBox-struct.top"></a>top</code></em>;</span></p></td>
<td>top coordinate</td>
</tr>
<tr>
<td><p><span class="term"><span class="type">gdouble</span> <em class="structfield"><code><a name="ChamplainBoundingBox-struct.right"></a>right</code></em>;</span></p></td>
<td>right coordinate</td>
</tr>
<tr>
<td><p><span class="term"><span class="type">gdouble</span> <em class="structfield"><code><a name="ChamplainBoundingBox-struct.bottom"></a>bottom</code></em>;</span></p></td>
<td>bottom coordinate</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.6</p>
</div>
<hr>
<div class="refsect2">
<a name="champlain-bounding-box-new"></a><h3>champlain_bounding_box_new ()</h3>
<pre class="programlisting"><a class="link" href="ChamplainBoundingBox.html" title="ChamplainBoundingBox"><span class="returnvalue">ChamplainBoundingBox</span></a> * champlain_bounding_box_new (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
Creates a newly allocated <a class="link" href="ChamplainBoundingBox.html" title="ChamplainBoundingBox"><span class="type">ChamplainBoundingBox</span></a> to be freed
with <a class="link" href="ChamplainBoundingBox.html#champlain-bounding-box-free" title="champlain_bounding_box_free ()"><code class="function">champlain_bounding_box_free()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a <a class="link" href="ChamplainBoundingBox.html" title="ChamplainBoundingBox"><span class="type">ChamplainBoundingBox</span></a>
</td>
</tr></tbody>
</table></div>
<p class="since">Since 0.6</p>
</div>
<hr>
<div class="refsect2">
<a name="champlain-bounding-box-copy"></a><h3>champlain_bounding_box_copy ()</h3>
<pre class="programlisting"><a class="link" href="ChamplainBoundingBox.html" title="ChamplainBoundingBox"><span class="returnvalue">ChamplainBoundingBox</span></a> * champlain_bounding_box_copy (<em class="parameter"><code>const <a class="link" href="ChamplainBoundingBox.html" title="ChamplainBoundingBox"><span class="type">ChamplainBoundingBox</span></a> *bbox</code></em>);</pre>
<p>
Makes a copy of the bounding box structure. The result must be
freed using <a class="link" href="ChamplainBoundingBox.html#champlain-bounding-box-free" title="champlain_bounding_box_free ()"><code class="function">champlain_bounding_box_free()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>bbox</code></em> :</span></p></td>
<td>a <a class="link" href="ChamplainBoundingBox.html" title="ChamplainBoundingBox"><span class="type">ChamplainBoundingBox</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>an allocated copy of <em class="parameter"><code>bbox</code></em>.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.6</p>
</div>
<hr>
<div class="refsect2">
<a name="champlain-bounding-box-free"></a><h3>champlain_bounding_box_free ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> champlain_bounding_box_free (<em class="parameter"><code><a class="link" href="ChamplainBoundingBox.html" title="ChamplainBoundingBox"><span class="type">ChamplainBoundingBox</span></a> *bbox</code></em>);</pre>
<p>
Frees a bounding box structure created with <a class="link" href="ChamplainBoundingBox.html#champlain-bounding-box-new" title="champlain_bounding_box_new ()"><code class="function">champlain_bounding_box_new()</code></a> or
<a class="link" href="ChamplainBoundingBox.html#champlain-bounding-box-copy" title="champlain_bounding_box_copy ()"><code class="function">champlain_bounding_box_copy()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>bbox</code></em> :</span></p></td>
<td>a <a class="link" href="ChamplainBoundingBox.html" title="ChamplainBoundingBox"><span class="type">ChamplainBoundingBox</span></a>
</td>
</tr></tbody>
</table></div>
<p class="since">Since 0.6</p>
</div>
<hr>
<div class="refsect2">
<a name="champlain-bounding-box-get-center"></a><h3>champlain_bounding_box_get_center ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> champlain_bounding_box_get_center (<em class="parameter"><code><a class="link" href="ChamplainBoundingBox.html" title="ChamplainBoundingBox"><span class="type">ChamplainBoundingBox</span></a> *bbox</code></em>,
<em class="parameter"><code><span class="type">gdouble</span> *latitude</code></em>,
<em class="parameter"><code><span class="type">gdouble</span> *longitude</code></em>);</pre>
<p>
Sets the latitude and longitude of the box to <em class="parameter"><code>lat</code></em> and <em class="parameter"><code>lon</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>bbox</code></em> :</span></p></td>
<td>a <a class="link" href="ChamplainBoundingBox.html" title="ChamplainBoundingBox"><span class="type">ChamplainBoundingBox</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>latitude</code></em> :</span></p></td>
<td>the latitude of the box center. <span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>longitude</code></em> :</span></p></td>
<td>the longitude of the box center. <span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span>
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.6</p>
</div>
<hr>
<div class="refsect2">
<a name="champlain-bounding-box-compose"></a><h3>champlain_bounding_box_compose ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> champlain_bounding_box_compose (<em class="parameter"><code><a class="link" href="ChamplainBoundingBox.html" title="ChamplainBoundingBox"><span class="type">ChamplainBoundingBox</span></a> *bbox</code></em>,
<em class="parameter"><code><a class="link" href="ChamplainBoundingBox.html" title="ChamplainBoundingBox"><span class="type">ChamplainBoundingBox</span></a> *other</code></em>);</pre>
<p>
Sets bbox equal to the bounding box containing both <em class="parameter"><code>bbox</code></em> and <em class="parameter"><code>other</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>bbox</code></em> :</span></p></td>
<td>a <a class="link" href="ChamplainBoundingBox.html" title="ChamplainBoundingBox"><span class="type">ChamplainBoundingBox</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>other</code></em> :</span></p></td>
<td>a <a class="link" href="ChamplainBoundingBox.html" title="ChamplainBoundingBox"><span class="type">ChamplainBoundingBox</span></a>
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10</p>
</div>
<hr>
<div class="refsect2">
<a name="champlain-bounding-box-extend"></a><h3>champlain_bounding_box_extend ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> champlain_bounding_box_extend (<em class="parameter"><code><a class="link" href="ChamplainBoundingBox.html" title="ChamplainBoundingBox"><span class="type">ChamplainBoundingBox</span></a> *bbox</code></em>,
<em class="parameter"><code><span class="type">gdouble</span> latitude</code></em>,
<em class="parameter"><code><span class="type">gdouble</span> longitude</code></em>);</pre>
<p>
Extend the bounding box so it contains a point with <em class="parameter"><code>latitude</code></em> and <em class="parameter"><code>longitude</code></em>.
Do nothing if the point is already inside the bounding box.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>bbox</code></em> :</span></p></td>
<td>a <a class="link" href="ChamplainBoundingBox.html" title="ChamplainBoundingBox"><span class="type">ChamplainBoundingBox</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>latitude</code></em> :</span></p></td>
<td>latitude</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>longitude</code></em> :</span></p></td>
<td>longitude</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10</p>
</div>
<hr>
<div class="refsect2">
<a name="champlain-bounding-box-is-valid"></a><h3>champlain_bounding_box_is_valid ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span> champlain_bounding_box_is_valid (<em class="parameter"><code><a class="link" href="ChamplainBoundingBox.html" title="ChamplainBoundingBox"><span class="type">ChamplainBoundingBox</span></a> *bbox</code></em>);</pre>
<p>
Checks whether bbox represents a valid bounding box on the map.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>bbox</code></em> :</span></p></td>
<td>a <a class="link" href="ChamplainBoundingBox.html" title="ChamplainBoundingBox"><span class="type">ChamplainBoundingBox</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>TRUE when the bounding box is valid, FALSE otherwise.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10</p>
</div>
</div>
</div>
<div class="footer">
<hr>
Generated by GTK-Doc V1.18</div>
</body>
</html>
|