1 2 3 4 5<!DOCTYPE html> 6<html lang="en"> 7<head> 8 <meta name="google-site-verification" content="_bMOCDpkx9ZAzBwb2kF3PRHbfUUdFj2uO8Jd1AXArz4" /> 9 <title>ImageMagick: MagickCore, C API for ImageMagick: Monitor or Limit Resource Consumption</title> 10 <meta http-equiv="content-type" content="text/html; charset=utf-8"/> 11 <meta name="application-name" content="ImageMagick"/> 12 <meta name="description" content="ImageMagick® is a software suite to create, edit, compose, or convert bitmap images. It can read and write images in a variety of formats (over 200) including PNG, JPEG, JPEG-2000, GIF, WebP, Postscript, PDF, and SVG. Use ImageMagick to resize, flip, mirror, rotate, distort, shear and transform images, adjust image colors, apply various special effects, or draw text, lines, polygons, ellipses and Bézier curves."/> 13 <meta name="application-url" content="http://www.imagemagick.org"/> 14 <meta name="generator" content="PHP"/> 15 <meta name="keywords" content="magickcore, c, api, for, imagemagick:, monitor, or, limit, resource, consumption, ImageMagick, PerlMagick, image processing, image, photo, software, Magick++, OpenMP, convert"/> 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) 1999-2016 ImageMagick Studio LLC"/> 23 <meta name="distribution" content="Global"/> 24 <meta name="magick-serial" content="P131-S030410-R485315270133-P82224-A6668-G1245-1"/> 25 <link rel="icon" href="../image/wand.png"/> 26 <link rel="shortcut icon" href="../image/wand.ico"/> 27 <link rel="stylesheet" href="../css/magick.php"/> 28</head> 29<body> 30<div class="main"> 31<div class="magick-masthead"> 32 <div class="container"> 33 <script async="async" src="http://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script> <ins class="adsbygoogle" 34 style="display:block" 35 data-ad-client="ca-pub-3129977114552745" 36 data-ad-slot="6345125851" 37 data-ad-format="auto"></ins> 38 <script> 39 (adsbygoogle = window.adsbygoogle || []).push({}); 40 </script> 41 <nav class="magick-nav"> 42 <a class="magick-nav-item " href="../index.php">Home</a> 43 <a class="magick-nav-item " href="../script/binary-releases.php">Download</a> 44 <a class="magick-nav-item " href="../script/command-line-tools.php">Tools</a> 45 <a class="magick-nav-item " href="../script/command-line-options.php">Options</a> 46 <a class="magick-nav-item " href="../script/resources.php">Resources</a> 47 <a class="magick-nav-item " href="../script/api.php">Develop</a> 48 <a class="magick-nav-item " href="../script/search.php">Search</a> 49 <a class="magick-nav-item pull-right" href="http://www.imagemagick.org/discourse-server/">Community</a> 50 </nav> 51 </div> 52</div> 53<div class="container"> 54<div class="magick-header"> 55<p class="text-center"><a href="resource.php#AcquireMagickResource">AcquireMagickResource</a> • <a href="resource.php#AcquireUniqueFileResource">AcquireUniqueFileResource</a> • <a href="resource.php#GetMagickResource">GetMagickResource</a> • <a href="resource.php#GetMagickResourceLimit">GetMagickResourceLimit</a> • <a href="resource.php#ListMagickResourceInfo">ListMagickResourceInfo</a> • <a href="resource.php#RelinquishMagickResource">RelinquishMagickResource</a> • <a href="resource.php#RelinquishUniqueFileResource">RelinquishUniqueFileResource</a> • <a href="resource.php#SetMagickResourceLimit">SetMagickResourceLimit</a></p> 56 57<h2><a href="http://nextgen.imagemagick.org/api/MagickCore/resource_8c.html" id="AcquireMagickResource">AcquireMagickResource</a></h2> 58 59<p>AcquireMagickResource() acquires resources of the specified type. MagickFalse is returned if the specified resource is exhausted otherwise MagickTrue.</p> 60 61<p>The format of the AcquireMagickResource() method is:</p> 62 63<pre class="text"> 64MagickBooleanType AcquireMagickResource(const ResourceType type, 65 const MagickSizeType size) 66</pre> 67 68<p>A description of each parameter follows:</p> 69 70<dd> 71</dd> 72 73<dd> </dd> 74<dl class="dl-horizontal"> 75<dt>type</dt> 76<dd>the type of resource. </dd> 77 78<dd> </dd> 79<dt>size</dt> 80<dd>the number of bytes needed from for this resource. </dd> 81 82<dd> </dd> 83</dl> 84<h2><a href="http://nextgen.imagemagick.org/api/MagickCore/resource_8c.html" id="AcquireUniqueFileResource">AcquireUniqueFileResource</a></h2> 85 86<p>AcquireUniqueFileResource() returns a unique file name, and returns a file descriptor for the file open for reading and writing.</p> 87 88<p>The format of the AcquireUniqueFileResource() method is:</p> 89 90<pre class="text"> 91int AcquireUniqueFileResource(char *path) 92</pre> 93 94<p>A description of each parameter follows:</p> 95 96<dd> 97</dd> 98 99<dd> </dd> 100<dl class="dl-horizontal"> 101<dt> path</dt> 102<dd> Specifies a pointer to an array of characters. The unique path name is returned in this array. </dd> 103 104<dd> </dd> 105</dl> 106<h2><a href="http://nextgen.imagemagick.org/api/MagickCore/resource_8c.html" id="GetMagickResource">GetMagickResource</a></h2> 107 108<p>GetMagickResource() returns the specified resource.</p> 109 110<p>The format of the GetMagickResource() method is:</p> 111 112<pre class="text"> 113MagickSizeType GetMagickResource(const ResourceType type) 114</pre> 115 116<p>A description of each parameter follows:</p> 117 118<dd> 119</dd> 120 121<dd> </dd> 122<dl class="dl-horizontal"> 123<dt>type</dt> 124<dd>the type of resource. </dd> 125 126<dd> </dd> 127</dl> 128<h2><a href="http://nextgen.imagemagick.org/api/MagickCore/resource_8c.html" id="GetMagickResourceLimit">GetMagickResourceLimit</a></h2> 129 130<p>GetMagickResourceLimit() returns the specified resource limit.</p> 131 132<p>The format of the GetMagickResourceLimit() method is:</p> 133 134<pre class="text"> 135MagickSizeType GetMagickResourceLimit(const ResourceType type) 136</pre> 137 138<p>A description of each parameter follows:</p> 139 140<dd> 141</dd> 142 143<dd> </dd> 144<dl class="dl-horizontal"> 145<dt>type</dt> 146<dd>the type of resource. </dd> 147 148<dd> </dd> 149</dl> 150<h2><a href="http://nextgen.imagemagick.org/api/MagickCore/resource_8c.html" id="ListMagickResourceInfo">ListMagickResourceInfo</a></h2> 151 152<p>ListMagickResourceInfo() lists the resource info to a file.</p> 153 154<p>The format of the ListMagickResourceInfo method is:</p> 155 156<pre class="text"> 157MagickBooleanType ListMagickResourceInfo(FILE *file, 158 ExceptionInfo *exception) 159</pre> 160 161<p>A description of each parameter follows.</p> 162 163<dt>file</dt> 164<p>An pointer to a FILE.</p> 165 166<dt>exception</dt> 167<p>return any errors or warnings in this structure.</p> 168 169<h2><a href="http://nextgen.imagemagick.org/api/MagickCore/resource_8c.html" id="RelinquishMagickResource">RelinquishMagickResource</a></h2> 170 171<p>RelinquishMagickResource() relinquishes resources of the specified type.</p> 172 173<p>The format of the RelinquishMagickResource() method is:</p> 174 175<pre class="text"> 176void RelinquishMagickResource(const ResourceType type, 177 const MagickSizeType size) 178</pre> 179 180<p>A description of each parameter follows:</p> 181 182<dd> 183</dd> 184 185<dd> </dd> 186<dl class="dl-horizontal"> 187<dt>type</dt> 188<dd>the type of resource. </dd> 189 190<dd> </dd> 191<dt>size</dt> 192<dd>the size of the resource. </dd> 193 194<dd> </dd> 195</dl> 196<h2><a href="http://nextgen.imagemagick.org/api/MagickCore/resource_8c.html" id="RelinquishUniqueFileResource">RelinquishUniqueFileResource</a></h2> 197 198<p>RelinquishUniqueFileResource() relinquishes a unique file resource.</p> 199 200<p>The format of the RelinquishUniqueFileResource() method is:</p> 201 202<pre class="text"> 203MagickBooleanType RelinquishUniqueFileResource(const char *path) 204</pre> 205 206<p>A description of each parameter follows:</p> 207 208<dd> 209</dd> 210 211<dd> </dd> 212<dl class="dl-horizontal"> 213<dt>name</dt> 214<dd>the name of the temporary resource. </dd> 215 216<dd> </dd> 217</dl> 218<h2><a href="http://nextgen.imagemagick.org/api/MagickCore/resource_8c.html" id="SetMagickResourceLimit">SetMagickResourceLimit</a></h2> 219 220<p>SetMagickResourceLimit() sets the limit for a particular resource.</p> 221 222<p>The format of the SetMagickResourceLimit() method is:</p> 223 224<pre class="text"> 225MagickBooleanType SetMagickResourceLimit(const ResourceType type, 226 const MagickSizeType limit) 227</pre> 228 229<p>A description of each parameter follows:</p> 230 231<dd> 232</dd> 233 234<dd> </dd> 235<dl class="dl-horizontal"> 236<dt>type</dt> 237<dd>the type of resource. </dd> 238 239<dd> </dd> 240<dt>limit</dt> 241<dd>the maximum limit for the resource. </dd> 242 243<dd> </dd> 244</dl> 245</div> 246 <footer class="magick-footer"> 247 <p><a href="../script/support.php">Donate</a> • 248 <a href="../script/sitemap.php">Sitemap</a> • 249 <a href="../script/links.php">Related</a> • 250 <a href="../script/architecture.php">Architecture</a> 251</p> 252 <p><a href="resource.php#">Back to top</a> • 253 <a href="http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x89AB63D48277377A">Public Key</a> • 254 <a href="../script/contact.php">Contact Us</a></p> 255 <p><small>© 1999-2016 ImageMagick Studio LLC</small></p> 256 </footer> 257</div><!-- /.container --> 258 259 <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script> 260 <script src="http://nextgen.imagemagick.org/js/magick.php"></script> 261</div> 262</body> 263</html> 264