• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1
2
3
4
5<!doctype html>
6<html lang="en">
7<head>
8  <meta charset="utf-8"  />
9  <meta name="viewport" content="width=device-width, initial-scale=1"  />
10  <title>ImageMagick - MagickCore, C API: The Image Registry</title>
11  <meta name="application-name" content="ImageMagick" />
12  <meta name="description" content="Use ImageMagick® to create, edit, compose, and convert digital images. Resize an image, crop it, change its shades and colors, add captions, and more." />
13  <meta name="application-url" content="https://imagemagick.org" />
14  <meta name="generator" content="PHP" />
15  <meta name="keywords" content="magickcore, c, api:, the, image, registry, image processing software" />
16  <meta name="rating" content="GENERAL" />
17  <meta name="robots" content="INDEX, FOLLOW" />
18  <meta name="generator" content="ImageMagick Studio LLC" />
19  <meta name="author" content="ImageMagick Studio LLC" />
20  <meta name="revisit-after" content="2 DAYS" />
21  <meta name="resource-type" content="document" />
22  <meta name="copyright" content="Copyright (c) 1999-2020 ImageMagick Studio LLC" />
23  <meta name="distribution" content="Global" />
24  <meta name="magick-serial" content="P131-S030410-R485315270133-P82224-A6668-G1245-1" />
25  <meta property='og:url' content='../../' />
26  <meta property='og:title' content='ImageMagick' />
27  <meta property='og:image' content='../../../images/logo.png' />
28  <meta property='og:type' content='website' />
29  <meta property='og:site_name' content='ImageMagick' />
30  <meta property='og:description' content="Create, Edit, Compose, or Convert Digital Images" />
31  <meta name="google-site-verification" content="_bMOCDpkx9ZAzBwb2kF3PRHbfUUdFj2uO8Jd1AXArz4" />
32  <link href="registry.html" rel="canonical" />
33  <link href="../../../images/wand.png" rel="icon" />
34  <link href="../../../images/wand.ico" rel="shortcut icon" />
35  <link href="../../assets/magick.css" rel="stylesheet" />
36</head>
37<body>
38  <nav class="navbar navbar-expand-md navbar-dark bg-dark fixed-top">
39  <div class="container-fluid">
40    <a class="navbar-brand" href="../../"><img class="d-block" id="icon" alt="ImageMagick" width="32" height="32" src="../../../images/wand.ico"/></a>
41    <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#magick-navbars" aria-controls="magick-navbars" aria-expanded="false" aria-label="Toggle navigation">
42      <span class="navbar-toggler-icon"></span>
43    </button>
44
45    <div class="collapse navbar-collapse" id="magick-navbars">
46      <ul class="navbar-nav me-auto mb-2 mb-md-0">
47        <li class="nav-item">
48          <a class="nav-link " href="../../www/index.html">Home</a>
49        </li>
50        <li class="nav-item">
51          <a class="nav-link " href="../../www/download.html">Download</a>
52        </li>
53        <li class="nav-item">
54          <a class="nav-link " href="../../www/command-line-tools.html">Tools</a>
55        </li>
56        <li class="nav-item">
57          <a class="nav-link " href="../../www/command-line-processing.html">CLI</a>
58        </li>
59        <li class="nav-item">
60          <a class="nav-link " href="../../www/develop.html">Develop</a>
61        </li>
62        <li class="nav-item">
63          <a class="nav-link" target="_blank" href="https://github.com/ImageMagick/ImageMagick/discussions">Community</a>
64        </li>
65        <li class="nav-item">
66          <iframe src="https://github.com/sponsors/ImageMagick/button" title="Sponsor ImageMagick" height="35" width="107" style="border: 0;"></iframe>
67        </li>
68      </ul>
69      <form class="d-flex form-inline" action="https://imagemagick.org/script/search.php">
70        <input class="form-control me-2" type="text" name="q" placeholder="Search" aria-label="Search">
71        <button class="btn btn-outline-success" type="submit" name="sa">Search</button>
72      </form>
73    </div>
74  </div>
75  </nav>
76
77  <div class="container">
78    <script async="async" src="https://localhost/pagead/js/adsbygoogle.js"></script>
79    <ins class="adsbygoogle"
80      style="display:block"
81      data-ad-client="ca-pub-3129977114552745"
82      data-ad-slot="6345125851"
83      data-full-width-responsive="true"
84      data-ad-format="horizontal"></ins>
85    <script>
86      (adsbygoogle = window.adsbygoogle || []).push({});
87    </script>
88
89  </div>
90
91  <main class="container">
92  <div class="magick-template">
93<div class="magick-header">
94<p class="text-center"><a href="registry.html#DefineImageRegistry">DefineImageRegistry</a> &#8226; <a href="registry.html#DeleteImageRegistry">DeleteImageRegistry</a> &#8226; <a href="registry.html#GetImageRegistry">GetImageRegistry</a> &#8226; <a href="registry.html#GetNextImageRegistry">GetNextImageRegistry</a> &#8226; <a href="registry.html#RegistryComponentTerminus">RegistryComponentTerminus</a> &#8226; <a href="registry.html#RemoveImageRegistry">RemoveImageRegistry</a> &#8226; <a href="registry.html#ResetImageRegistryIterator">ResetImageRegistryIterator</a> &#8226; <a href="registry.html#SetImageRegistry">SetImageRegistry</a></p>
95
96<h2><a href="../../api/MagickCore/registry_8c.html" id="DefineImageRegistry">DefineImageRegistry</a></h2>
97
98<p>DefineImageRegistry() associates a key/value pair with the image registry.</p>
99
100<p>The format of the DefineImageRegistry method is:</p>
101
102<pre class="text">
103MagickBooleanType DefineImageRegistry(const RegistryType type,
104  const char *option,ExceptionInfo *exception)
105</pre>
106
107<p>A description of each parameter follows:</p>
108
109<dd>
110</dd>
111
112<dd> </dd>
113<dl class="dl-horizontal">
114<dt>type</dt>
115<dd>the type. </dd>
116
117<dd> </dd>
118<dt>option</dt>
119<dd>the option. </dd>
120
121<dd> </dd>
122<dt>exception</dt>
123<dd>the exception. </dd>
124
125<dd>  </dd>
126</dl>
127<h2><a href="../../api/MagickCore/registry_8c.html" id="DeleteImageRegistry">DeleteImageRegistry</a></h2>
128
129<p>DeleteImageRegistry() deletes a key from the image registry.</p>
130
131<p>The format of the DeleteImageRegistry method is:</p>
132
133<pre class="text">
134MagickBooleanType DeleteImageRegistry(const char *key)
135</pre>
136
137<p>A description of each parameter follows:</p>
138
139<dd>
140</dd>
141
142<dd> </dd>
143<dl class="dl-horizontal">
144<dt>key</dt>
145<dd>the registry. </dd>
146
147<dd>  </dd>
148</dl>
149<h2><a href="../../api/MagickCore/registry_8c.html" id="GetImageRegistry">GetImageRegistry</a></h2>
150
151<p>GetImageRegistry() returns a value associated with an image registry key.</p>
152
153<p>The format of the GetImageRegistry method is:</p>
154
155<pre class="text">
156void *GetImageRegistry(const RegistryType type,const char *key,
157  ExceptionInfo *exception)
158</pre>
159
160<p>A description of each parameter follows:</p>
161
162<dd>
163</dd>
164
165<dd> </dd>
166<dl class="dl-horizontal">
167<dt>type</dt>
168<dd>the type. </dd>
169
170<dd> </dd>
171<dt>key</dt>
172<dd>the key. </dd>
173
174<dd> </dd>
175<dt>exception</dt>
176<dd>the exception. </dd>
177
178<dd>  </dd>
179</dl>
180<h2><a href="../../api/MagickCore/registry_8c.html" id="GetNextImageRegistry">GetNextImageRegistry</a></h2>
181
182<p>GetNextImageRegistry() gets the next image registry value.</p>
183
184<p>The format of the GetNextImageRegistry method is:</p>
185
186<pre class="text">
187char *GetNextImageRegistry(void)
188</pre>
189
190<h2><a href="../../api/MagickCore/registry_8c.html" id="RegistryComponentTerminus">RegistryComponentTerminus</a></h2>
191
192<p>RegistryComponentTerminus() destroys the registry component.</p>
193
194<p>The format of the DestroyDefines method is:</p>
195
196<pre class="text">
197void RegistryComponentTerminus(void)
198</pre>
199
200<h2><a href="../../api/MagickCore/registry_8c.html" id="RemoveImageRegistry">RemoveImageRegistry</a></h2>
201
202<p>RemoveImageRegistry() removes a key from the image registry and returns its value.</p>
203
204<p>The format of the RemoveImageRegistry method is:</p>
205
206<pre class="text">
207void *RemoveImageRegistry(const char *key)
208</pre>
209
210<p>A description of each parameter follows:</p>
211
212<dd>
213</dd>
214
215<dd> </dd>
216<dl class="dl-horizontal">
217<dt>key</dt>
218<dd>the registry. </dd>
219
220<dd>  </dd>
221</dl>
222<h2><a href="../../api/MagickCore/registry_8c.html" id="ResetImageRegistryIterator">ResetImageRegistryIterator</a></h2>
223
224<p>ResetImageRegistryIterator() resets the registry iterator.  Use it in conjunction with GetNextImageRegistry() to iterate over all the values in the image registry.</p>
225
226<p>The format of the ResetImageRegistryIterator method is:</p>
227
228<pre class="text">
229ResetImageRegistryIterator(void)
230</pre>
231
232<h2><a href="../../api/MagickCore/registry_8c.html" id="SetImageRegistry">SetImageRegistry</a></h2>
233
234<p>SetImageRegistry() associates a value with an image registry key.</p>
235
236<p>The format of the SetImageRegistry method is:</p>
237
238<pre class="text">
239MagickBooleanType SetImageRegistry(const RegistryType type,
240  const char *key,const void *value,ExceptionInfo *exception)
241</pre>
242
243<p>A description of each parameter follows:</p>
244
245<dd>
246</dd>
247
248<dd> </dd>
249<dl class="dl-horizontal">
250<dt>type</dt>
251<dd>the type. </dd>
252
253<dd> </dd>
254<dt>key</dt>
255<dd>the key. </dd>
256
257<dd> </dd>
258<dt>value</dt>
259<dd>the value. </dd>
260
261<dd> </dd>
262<dt>exception</dt>
263<dd>the exception. </dd>
264
265<dd>  </dd>
266</dl>
267</div>
268  </div>
269  </main><!-- /.container -->
270  <footer class="magick-footer">
271    <div class="container-fluid">
272      <a href="../../www/security-policy.html">Security</a> •
273      <a href="../../www/news.html">News</a>
274
275      <a href="registry.html#"><img class="d-inline" id="wand" alt="And Now a Touch of Magick" width="16" height="16" src="../../../images/wand.ico"/></a>
276
277      <a href="../../www/links.html">Related</a> •
278      <a href="../../www/sitemap.html">Sitemap</a>
279   <br/>
280     <a href="../../www/support.html">Sponsor</a> •
281     <a href="../../www/cite.html">Cite</a> •
282     <a href="http://pgp.mit.edu/pks/lookup?op=get&amp;search=0x89AB63D48277377A">Public Key</a> •
283     <a href="../../www/contact.html">Contact Us</a>
284   <br/>
285     <a href="https://github.com/imagemagick/imagemagick" target="_blank" rel="noopener" aria-label="GitHub"><svg xmlns="http://www.w3.org/2000/svg" class="navbar-nav-svg" viewBox="0 0 512 499.36" width="2%" height="2%" role="img" focusable="false"><title>GitHub</title><path fill="currentColor" fill-rule="evenodd" d="M256 0C114.64 0 0 114.61 0 256c0 113.09 73.34 209 175.08 242.9 12.8 2.35 17.47-5.56 17.47-12.34 0-6.08-.22-22.18-.35-43.54-71.2 15.49-86.2-34.34-86.2-34.34-11.64-29.57-28.42-37.45-28.42-37.45-23.27-15.84 1.73-15.55 1.73-15.55 25.69 1.81 39.21 26.38 39.21 26.38 22.84 39.12 59.92 27.82 74.5 21.27 2.33-16.54 8.94-27.82 16.25-34.22-56.84-6.43-116.6-28.43-116.6-126.49 0-27.95 10-50.8 26.35-68.69-2.63-6.48-11.42-32.5 2.51-67.75 0 0 21.49-6.88 70.4 26.24a242.65 242.65 0 0 1 128.18 0c48.87-33.13 70.33-26.24 70.33-26.24 14 35.25 5.18 61.27 2.55 67.75 16.41 17.9 26.31 40.75 26.31 68.69 0 98.35-59.85 120-116.88 126.32 9.19 7.9 17.38 23.53 17.38 47.41 0 34.22-.31 61.83-.31 70.23 0 6.85 4.61 14.81 17.6 12.31C438.72 464.97 512 369.08 512 256.02 512 114.62 397.37 0 256 0z"/></svg></a> •
286     <a href="https://twitter.com/imagemagick" target="_blank" rel="noopener" aria-label="Twitter"><svg xmlns="http://www.w3.org/2000/svg" class="navbar-nav-svg" viewBox="0 0 512 416.32" width="2%" height="2%" role="img" focusable="false"><title>Twitter</title><path fill="currentColor" d="M160.83 416.32c193.2 0 298.92-160.22 298.92-298.92 0-4.51 0-9-.2-13.52A214 214 0 0 0 512 49.38a212.93 212.93 0 0 1-60.44 16.6 105.7 105.7 0 0 0 46.3-58.19 209 209 0 0 1-66.79 25.37 105.09 105.09 0 0 0-181.73 71.91 116.12 116.12 0 0 0 2.66 24c-87.28-4.3-164.73-46.3-216.56-109.82A105.48 105.48 0 0 0 68 159.6a106.27 106.27 0 0 1-47.53-13.11v1.43a105.28 105.28 0 0 0 84.21 103.06 105.67 105.67 0 0 1-47.33 1.84 105.06 105.06 0 0 0 98.14 72.94A210.72 210.72 0 0 1 25 370.84a202.17 202.17 0 0 1-25-1.43 298.85 298.85 0 0 0 160.83 46.92"/></svg></a>
287    <br/>
288    <small>© 1999-2021 ImageMagick Studio LLC</small>
289    </div>
290  </footer>
291
292  <!-- Javascript assets -->
293  <script src="../../assets/magick.js" ></script>
294  </body>
295</html>
296