/usr/share/doc/libexif-dev/libexif-api.html/exif-content_8h.html is in libexif-dev 0.6.20-2ubuntu0.1.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<title>EXIF library (libexif) API: libexif/exif-content.h File Reference</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
<link href="navtree.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="resize.js"></script>
<script type="text/javascript" src="navtree.js"></script>
<script type="text/javascript">
$(document).ready(initResizable);
</script>
</head>
<body>
<div id="top"><!-- do not remove this div! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 56px;">
<td style="padding-left: 0.5em;">
<div id="projectname">EXIF library (libexif) API
 <span id="projectnumber">0.6.20</span>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- Generated by Doxygen 1.7.6.1 -->
<div id="navrow1" class="tabs">
<ul class="tablist">
<li><a href="index.html"><span>Main Page</span></a></li>
<li><a href="pages.html"><span>Related Pages</span></a></li>
<li><a href="annotated.html"><span>Data Structures</span></a></li>
<li class="current"><a href="files.html"><span>Files</span></a></li>
<li><a href="dirs.html"><span>Directories</span></a></li>
</ul>
</div>
<div id="navrow2" class="tabs2">
<ul class="tablist">
<li><a href="files.html"><span>File List</span></a></li>
<li><a href="globals.html"><span>Globals</span></a></li>
</ul>
</div>
</div>
<div id="side-nav" class="ui-resizable side-nav-resizable">
<div id="nav-tree">
<div id="nav-tree-contents">
</div>
</div>
<div id="splitbar" style="-moz-user-select:none;"
class="ui-resizable-handle">
</div>
</div>
<script type="text/javascript">
initNavTree('exif-content_8h.html','');
</script>
<div id="doc-content">
<div class="header">
<div class="summary">
<a href="#nested-classes">Data Structures</a> |
<a href="#define-members">Defines</a> |
<a href="#typedef-members">Typedefs</a> |
<a href="#func-members">Functions</a> </div>
<div class="headertitle">
<div class="title">exif-content.h File Reference</div> </div>
</div><!--header-->
<div class="contents">
<p>Handling EXIF IFDs.
<a href="#details">More...</a></p>
<div class="textblock"><code>#include <<a class="el" href="exif-tag_8h_source.html">libexif/exif-tag.h</a>></code><br/>
<code>#include <<a class="el" href="exif-entry_8h_source.html">libexif/exif-entry.h</a>></code><br/>
<code>#include <<a class="el" href="exif-data_8h_source.html">libexif/exif-data.h</a>></code><br/>
<code>#include <<a class="el" href="exif-log_8h_source.html">libexif/exif-log.h</a>></code><br/>
<code>#include <<a class="el" href="exif-mem_8h_source.html">libexif/exif-mem.h</a>></code><br/>
</div>
<p><a href="exif-content_8h_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="nested-classes"></a>
Data Structures</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="struct__ExifContent.html">_ExifContent</a></td></tr>
<tr><td colspan="2"><h2><a name="define-members"></a>
Defines</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-content_8h.html#a21e72202f0e6131ad6977d8025f72c2f">exif_content_get_value</a>(c, t, v, m)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return a textual representation of the EXIF data for a tag. <a href="#a21e72202f0e6131ad6977d8025f72c2f"></a><br/></td></tr>
<tr><td colspan="2"><h2><a name="typedef-members"></a>
Typedefs</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ac046cba2f9c5cfabf3ad443303090855"></a><!-- doxytag: member="exif-content.h::ExifContent" ref="ac046cba2f9c5cfabf3ad443303090855" args="" -->
typedef struct <a class="el" href="struct__ExifContent.html">_ExifContent</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-content_8h.html#ac046cba2f9c5cfabf3ad443303090855">ExifContent</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Holds all EXIF tags in a single IFD. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a266517e3bf1c95cd7e4a10e24749fb35"></a><!-- doxytag: member="exif-content.h::ExifContentPrivate" ref="a266517e3bf1c95cd7e4a10e24749fb35" args="" -->
typedef struct _ExifContentPrivate </td><td class="memItemRight" valign="bottom"><b>ExifContentPrivate</b></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ac0e055821bf37e68a5e9361359223e75"></a><!-- doxytag: member="exif-content.h::ExifContentForeachEntryFunc" ref="ac0e055821bf37e68a5e9361359223e75" args=")(ExifEntry *, void *user_data)" -->
typedef void(* </td><td class="memItemRight" valign="bottom"><b>ExifContentForeachEntryFunc</b> )(<a class="el" href="exif-entry_8h.html#a1629f9c1b9c17765f4e5b297f91a6e45">ExifEntry</a> *, void *user_data)</td></tr>
<tr><td colspan="2"><h2><a name="func-members"></a>
Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aebb572c40893d08ec2f418af397c48f4"></a><!-- doxytag: member="exif-content.h::exif_content_new" ref="aebb572c40893d08ec2f418af397c48f4" args="(void)" -->
<a class="el" href="exif-content_8h.html#ac046cba2f9c5cfabf3ad443303090855">ExifContent</a> * </td><td class="memItemRight" valign="bottom"><b>exif_content_new</b> (void)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a242392dd3720f31e27963c1fd89f95d4"></a><!-- doxytag: member="exif-content.h::exif_content_new_mem" ref="a242392dd3720f31e27963c1fd89f95d4" args="(ExifMem *)" -->
<a class="el" href="exif-content_8h.html#ac046cba2f9c5cfabf3ad443303090855">ExifContent</a> * </td><td class="memItemRight" valign="bottom"><b>exif_content_new_mem</b> (<a class="el" href="exif-mem_8h.html#aab8aacbc0ed6f11a1f022b7b1bf4750e">ExifMem</a> *)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a5761c3d5d962d61a453b4f1a7cc53ab5"></a><!-- doxytag: member="exif-content.h::exif_content_ref" ref="a5761c3d5d962d61a453b4f1a7cc53ab5" args="(ExifContent *content)" -->
void </td><td class="memItemRight" valign="bottom"><b>exif_content_ref</b> (<a class="el" href="exif-content_8h.html#ac046cba2f9c5cfabf3ad443303090855">ExifContent</a> *content)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a5e72c0f223d5d1aa33b34f388a5c9d37"></a><!-- doxytag: member="exif-content.h::exif_content_unref" ref="a5e72c0f223d5d1aa33b34f388a5c9d37" args="(ExifContent *content)" -->
void </td><td class="memItemRight" valign="bottom"><b>exif_content_unref</b> (<a class="el" href="exif-content_8h.html#ac046cba2f9c5cfabf3ad443303090855">ExifContent</a> *content)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="af77d27f5949aa4249fd54a5146c28289"></a><!-- doxytag: member="exif-content.h::exif_content_free" ref="af77d27f5949aa4249fd54a5146c28289" args="(ExifContent *content)" -->
void </td><td class="memItemRight" valign="bottom"><b>exif_content_free</b> (<a class="el" href="exif-content_8h.html#ac046cba2f9c5cfabf3ad443303090855">ExifContent</a> *content)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-content_8h.html#a89876388ea2f732f8c8cd2c8ef199908">exif_content_add_entry</a> (<a class="el" href="exif-content_8h.html#ac046cba2f9c5cfabf3ad443303090855">ExifContent</a> *c, <a class="el" href="exif-entry_8h.html#a1629f9c1b9c17765f4e5b297f91a6e45">ExifEntry</a> *entry)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Add an EXIF tag to an IFD. <a href="#a89876388ea2f732f8c8cd2c8ef199908"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-content_8h.html#a04f76832f82ea29ce05cd7c4e51932b1">exif_content_remove_entry</a> (<a class="el" href="exif-content_8h.html#ac046cba2f9c5cfabf3ad443303090855">ExifContent</a> *c, <a class="el" href="exif-entry_8h.html#a1629f9c1b9c17765f4e5b297f91a6e45">ExifEntry</a> *e)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Remove an EXIF tag from an IFD. <a href="#a04f76832f82ea29ce05cd7c4e51932b1"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="exif-entry_8h.html#a1629f9c1b9c17765f4e5b297f91a6e45">ExifEntry</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-content_8h.html#ac72bb2dacf0da27156c2c4dce08eef5d">exif_content_get_entry</a> (<a class="el" href="exif-content_8h.html#ac046cba2f9c5cfabf3ad443303090855">ExifContent</a> *content, <a class="el" href="exif-tag_8h.html#a1a0ded93d47585f6889eb546915d0f41">ExifTag</a> tag)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return the <a class="el" href="exif-entry_8h.html#a1629f9c1b9c17765f4e5b297f91a6e45" title="Data found in one EXIF tag.">ExifEntry</a> in this IFD corresponding to the given tag. <a href="#ac72bb2dacf0da27156c2c4dce08eef5d"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-content_8h.html#a16c54e0f88067820efd37cd3088a9c70">exif_content_fix</a> (<a class="el" href="exif-content_8h.html#ac046cba2f9c5cfabf3ad443303090855">ExifContent</a> *c)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Fix the IFD to bring it into specification. <a href="#a16c54e0f88067820efd37cd3088a9c70"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-content_8h.html#addc77910c821d9ee9b3ce0890caad741">exif_content_foreach_entry</a> (<a class="el" href="exif-content_8h.html#ac046cba2f9c5cfabf3ad443303090855">ExifContent</a> *content, ExifContentForeachEntryFunc func, void *user_data)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Executes function on each EXIF tag in this IFD in turn. <a href="#addc77910c821d9ee9b3ce0890caad741"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">ExifIfd </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-content_8h.html#a102270386bc7fdc7296e243967f1a2f4">exif_content_get_ifd</a> (<a class="el" href="exif-content_8h.html#ac046cba2f9c5cfabf3ad443303090855">ExifContent</a> *c)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return the IFD number in which the given <a class="el" href="exif-content_8h.html#ac046cba2f9c5cfabf3ad443303090855" title="Holds all EXIF tags in a single IFD.">ExifContent</a> is found. <a href="#a102270386bc7fdc7296e243967f1a2f4"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-content_8h.html#a941c3522a39280f44329eaf364645620">exif_content_dump</a> (<a class="el" href="exif-content_8h.html#ac046cba2f9c5cfabf3ad443303090855">ExifContent</a> *content, unsigned int indent)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Dump contents of the IFD to stdout. <a href="#a941c3522a39280f44329eaf364645620"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-content_8h.html#acdc250f9237c430642c2c71ba022070a">exif_content_log</a> (<a class="el" href="exif-content_8h.html#ac046cba2f9c5cfabf3ad443303090855">ExifContent</a> *content, <a class="el" href="exif-log_8h.html#a6b225115984bb2016282923cb487f16b">ExifLog</a> *log)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set the log message object for this IFD. <a href="#acdc250f9237c430642c2c71ba022070a"></a><br/></td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>Handling EXIF IFDs. </p>
</div><hr/><h2>Define Documentation</h2>
<a class="anchor" id="a21e72202f0e6131ad6977d8025f72c2f"></a><!-- doxytag: member="exif-content.h::exif_content_get_value" ref="a21e72202f0e6131ad6977d8025f72c2f" args="(c, t, v, m)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define <a class="el" href="exif-content_8h.html#a21e72202f0e6131ad6977d8025f72c2f">exif_content_get_value</a></td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname">c, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">t, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">v, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">m </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<b>Value:</b><div class="fragment"><pre class="fragment">(exif_content_get_entry (c,t) ? \
exif_entry_get_value (exif_content_get_entry (c,t),v,m) : NULL)
</pre></div>
<p>Return a textual representation of the EXIF data for a tag. </p>
<dl class="params"><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">c</td><td><a class="el" href="exif-content_8h.html#ac046cba2f9c5cfabf3ad443303090855" title="Holds all EXIF tags in a single IFD.">ExifContent</a>* for an IFD </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">t</td><td><a class="el" href="exif-tag_8h.html#a1a0ded93d47585f6889eb546915d0f41" title="EXIF tags.">ExifTag</a> to return </td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">v</td><td>char* buffer in which to store value </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">m</td><td>unsigned int length of the buffer v </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>the v pointer, or NULL on error </dd></dl>
</div>
</div>
<hr/><h2>Function Documentation</h2>
<a class="anchor" id="a89876388ea2f732f8c8cd2c8ef199908"></a><!-- doxytag: member="exif-content.h::exif_content_add_entry" ref="a89876388ea2f732f8c8cd2c8ef199908" args="(ExifContent *c, ExifEntry *entry)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void <a class="el" href="exif-content_8h.html#a89876388ea2f732f8c8cd2c8ef199908">exif_content_add_entry</a> </td>
<td>(</td>
<td class="paramtype"><a class="el" href="exif-content_8h.html#ac046cba2f9c5cfabf3ad443303090855">ExifContent</a> * </td>
<td class="paramname"><em>c</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="exif-entry_8h.html#a1629f9c1b9c17765f4e5b297f91a6e45">ExifEntry</a> * </td>
<td class="paramname"><em>entry</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Add an EXIF tag to an IFD. </p>
<p>If this tag already exists in the IFD, this function does nothing. </p>
<dl class="pre"><dt><b>Precondition:</b></dt><dd>The "tag" member of the entry must be set on entry.</dd></dl>
<dl class="params"><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramdir">[out]</td><td class="paramname">c</td><td>IFD </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">entry</td><td>EXIF entry to add </td></tr>
</table>
</dd>
</dl>
<p>References <a class="el" href="struct__ExifEntry.html#a6a4cb064a2c7d60f3fd439e2b3cab2a6">_ExifEntry::parent</a>, and <a class="el" href="struct__ExifEntry.html#aa03a4dc9fa98c8bbc447c19a4d0536e9">_ExifEntry::tag</a>.</p>
</div>
</div>
<a class="anchor" id="a941c3522a39280f44329eaf364645620"></a><!-- doxytag: member="exif-content.h::exif_content_dump" ref="a941c3522a39280f44329eaf364645620" args="(ExifContent *content, unsigned int indent)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void <a class="el" href="exif-content_8h.html#a941c3522a39280f44329eaf364645620">exif_content_dump</a> </td>
<td>(</td>
<td class="paramtype"><a class="el" href="exif-content_8h.html#ac046cba2f9c5cfabf3ad443303090855">ExifContent</a> * </td>
<td class="paramname"><em>content</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">unsigned int </td>
<td class="paramname"><em>indent</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Dump contents of the IFD to stdout. </p>
<p>This is intended for diagnostic purposes only.</p>
<dl class="params"><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">content</td><td>IFD data </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">indent</td><td>how many levels deep to indent the data </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="a16c54e0f88067820efd37cd3088a9c70"></a><!-- doxytag: member="exif-content.h::exif_content_fix" ref="a16c54e0f88067820efd37cd3088a9c70" args="(ExifContent *c)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void <a class="el" href="exif-content_8h.html#a16c54e0f88067820efd37cd3088a9c70">exif_content_fix</a> </td>
<td>(</td>
<td class="paramtype"><a class="el" href="exif-content_8h.html#ac046cba2f9c5cfabf3ad443303090855">ExifContent</a> * </td>
<td class="paramname"><em>c</em></td><td>)</td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Fix the IFD to bring it into specification. </p>
<p>Call <a class="el" href="exif-entry_8h.html#a34e2cc8e5cbb928a55cd16de9ce71edf" title="Fix the type or format of the given EXIF entry to bring it into spec.">exif_entry_fix</a> on each entry in this IFD to fix existing entries, create any new entries that are mandatory in this IFD but do not yet exist, and remove any entries that are not allowed in this IFD.</p>
<dl class="params"><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramdir">[in,out]</td><td class="paramname">c</td><td>EXIF content for an IFD </td></tr>
</table>
</dd>
</dl>
<p>References <a class="el" href="exif-tag_8h.html#aab34677f82c1f5f17df13e4912659ddbaddc3006a2f625757fd9ad5be91e4ca40">EXIF_SUPPORT_LEVEL_MANDATORY</a>, and <a class="el" href="struct__ExifContent.html#aae965558ea5c98783c4c2418364aabea">_ExifContent::parent</a>.</p>
</div>
</div>
<a class="anchor" id="addc77910c821d9ee9b3ce0890caad741"></a><!-- doxytag: member="exif-content.h::exif_content_foreach_entry" ref="addc77910c821d9ee9b3ce0890caad741" args="(ExifContent *content, ExifContentForeachEntryFunc func, void *user_data)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void <a class="el" href="exif-content_8h.html#addc77910c821d9ee9b3ce0890caad741">exif_content_foreach_entry</a> </td>
<td>(</td>
<td class="paramtype"><a class="el" href="exif-content_8h.html#ac046cba2f9c5cfabf3ad443303090855">ExifContent</a> * </td>
<td class="paramname"><em>content</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">ExifContentForeachEntryFunc </td>
<td class="paramname"><em>func</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">void * </td>
<td class="paramname"><em>user_data</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Executes function on each EXIF tag in this IFD in turn. </p>
<p>The tags will not necessarily be visited in numerical order.</p>
<dl class="params"><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramdir">[in,out]</td><td class="paramname">content</td><td>IFD over which to iterate </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">func</td><td>function to call for each entry </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">user_data</td><td>data to pass into func on each call </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="ac72bb2dacf0da27156c2c4dce08eef5d"></a><!-- doxytag: member="exif-content.h::exif_content_get_entry" ref="ac72bb2dacf0da27156c2c4dce08eef5d" args="(ExifContent *content, ExifTag tag)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="exif-entry_8h.html#a1629f9c1b9c17765f4e5b297f91a6e45">ExifEntry</a>* <a class="el" href="exif-content_8h.html#ac72bb2dacf0da27156c2c4dce08eef5d">exif_content_get_entry</a> </td>
<td>(</td>
<td class="paramtype"><a class="el" href="exif-content_8h.html#ac046cba2f9c5cfabf3ad443303090855">ExifContent</a> * </td>
<td class="paramname"><em>content</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="exif-tag_8h.html#a1a0ded93d47585f6889eb546915d0f41">ExifTag</a> </td>
<td class="paramname"><em>tag</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Return the <a class="el" href="exif-entry_8h.html#a1629f9c1b9c17765f4e5b297f91a6e45" title="Data found in one EXIF tag.">ExifEntry</a> in this IFD corresponding to the given tag. </p>
<p>This is a pointer into a member of the <a class="el" href="exif-content_8h.html#ac046cba2f9c5cfabf3ad443303090855" title="Holds all EXIF tags in a single IFD.">ExifContent</a> array and must NOT be freed or unrefed by the caller.</p>
<dl class="params"><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">content</td><td>EXIF content for an IFD </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">tag</td><td>EXIF tag to return </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd><a class="el" href="exif-entry_8h.html#a1629f9c1b9c17765f4e5b297f91a6e45" title="Data found in one EXIF tag.">ExifEntry</a> of the tag, or NULL on error </dd></dl>
<p>References <a class="el" href="struct__ExifEntry.html#aa03a4dc9fa98c8bbc447c19a4d0536e9">_ExifEntry::tag</a>.</p>
</div>
</div>
<a class="anchor" id="a102270386bc7fdc7296e243967f1a2f4"></a><!-- doxytag: member="exif-content.h::exif_content_get_ifd" ref="a102270386bc7fdc7296e243967f1a2f4" args="(ExifContent *c)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">ExifIfd <a class="el" href="exif-content_8h.html#a102270386bc7fdc7296e243967f1a2f4">exif_content_get_ifd</a> </td>
<td>(</td>
<td class="paramtype"><a class="el" href="exif-content_8h.html#ac046cba2f9c5cfabf3ad443303090855">ExifContent</a> * </td>
<td class="paramname"><em>c</em></td><td>)</td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Return the IFD number in which the given <a class="el" href="exif-content_8h.html#ac046cba2f9c5cfabf3ad443303090855" title="Holds all EXIF tags in a single IFD.">ExifContent</a> is found. </p>
<dl class="params"><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">c</td><td>an <a class="el" href="exif-content_8h.html#ac046cba2f9c5cfabf3ad443303090855" title="Holds all EXIF tags in a single IFD.">ExifContent</a>* </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>IFD number, or #EXIF_IFD_COUNT on error </dd></dl>
<p>References <a class="el" href="struct__ExifContent.html#aae965558ea5c98783c4c2418364aabea">_ExifContent::parent</a>.</p>
</div>
</div>
<a class="anchor" id="acdc250f9237c430642c2c71ba022070a"></a><!-- doxytag: member="exif-content.h::exif_content_log" ref="acdc250f9237c430642c2c71ba022070a" args="(ExifContent *content, ExifLog *log)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void <a class="el" href="exif-content_8h.html#acdc250f9237c430642c2c71ba022070a">exif_content_log</a> </td>
<td>(</td>
<td class="paramtype"><a class="el" href="exif-content_8h.html#ac046cba2f9c5cfabf3ad443303090855">ExifContent</a> * </td>
<td class="paramname"><em>content</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="exif-log_8h.html#a6b225115984bb2016282923cb487f16b">ExifLog</a> * </td>
<td class="paramname"><em>log</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Set the log message object for this IFD. </p>
<dl class="params"><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">content</td><td>IFD </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">log</td><td><a class="el" href="exif-log_8h.html#a6b225115984bb2016282923cb487f16b" title="State maintained by the logging interface.">ExifLog</a>* </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="a04f76832f82ea29ce05cd7c4e51932b1"></a><!-- doxytag: member="exif-content.h::exif_content_remove_entry" ref="a04f76832f82ea29ce05cd7c4e51932b1" args="(ExifContent *c, ExifEntry *e)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void <a class="el" href="exif-content_8h.html#a04f76832f82ea29ce05cd7c4e51932b1">exif_content_remove_entry</a> </td>
<td>(</td>
<td class="paramtype"><a class="el" href="exif-content_8h.html#ac046cba2f9c5cfabf3ad443303090855">ExifContent</a> * </td>
<td class="paramname"><em>c</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="exif-entry_8h.html#a1629f9c1b9c17765f4e5b297f91a6e45">ExifEntry</a> * </td>
<td class="paramname"><em>e</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Remove an EXIF tag from an IFD. </p>
<p>If this tag does not exist in the IFD, this function does nothing.</p>
<dl class="params"><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramdir">[out]</td><td class="paramname">c</td><td>IFD </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">e</td><td>EXIF entry to remove </td></tr>
</table>
</dd>
</dl>
<p>References <a class="el" href="struct__ExifEntry.html#a6a4cb064a2c7d60f3fd439e2b3cab2a6">_ExifEntry::parent</a>.</p>
</div>
</div>
</div><!-- contents -->
</div>
<div id="nav-path" class="navpath">
<ul>
<li class="navelem"><a class="el" href="exif-content_8h.html">exif-content.h</a> </li>
<li class="footer">Generated on Thu Jul 19 2012 18:43:28 for EXIF library (libexif) API by
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.6.1 </li>
</ul>
</div>
</body>
</html>
|