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11 <title>ImageMagick: MagickCore, C API for ImageMagick: Monitor or Limit Resource Consumption</title>
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17 <meta name="Description" content="ImageMagick® is a software suite to create, edit, and compose bitmap images. It can read, convert and write images in a variety of formats (about 100) including GIF, JPEG, JPEG-2000, PNG, PDF, PhotoCD, TIFF, and DPX. Use ImageMagick to translate, flip, mirror, rotate, scale, shear and transform images, adjust image colors, apply various special effects, or draw text, lines, polygons, ellipses and Bézier curves. ImageMagick is free software delivered as a ready-to-run binary distribution or as source code that you can freely use, copy, modify, and distribute. Its license is compatible with the GPL. It runs on all major operating systems. The functionality of ImageMagick is typically utilized from the command line or you can use the features from programs written in your favorite programming language. Choose from these interfaces: MagickCore (C), MagickWand (C), ChMagick (Ch), Magick++ (C++), JMagick (Java), L-Magick (Lisp), PascalMagick (Pascal), PerlMagick (Perl), MagickWand for PHP (PHP), PythonMagick (Python), RMagick (Ruby), or TclMagick (Tcl/TK). With a language interface, use ImageMagick to modify or create images automagically and dynamically."/>
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154 <p class="navigation-index">[<a href="#AcquireMagickResource">AcquireMagickResource</a> • <a href="#AcquireUniqueFileResource">AcquireUniqueFileResource</a> • <a href="#GetMagickResource">GetMagickResource</a> • <a href="#GetMagickResource">GetMagickResource</a> • <a href="#ListMagickResourceInfo">ListMagickResourceInfo</a> • <a href="#RelinquishMagickResource">RelinquishMagickResource</a> • <a href="#RelinquishUniqueFileResource">RelinquishUniqueFileResource</a> • <a href="#SetMagickResourceLimit">SetMagickResourceLimit</a>]</p>
156 <h2><a href="http://www.imagemagick.org/api/MagickCore/resource
157 _8c.html" target="source" name="AcquireMagickResource">AcquireMagickResource</a></h2>
158 <div class="doc-section">
160 <p>AcquireMagickResource() acquires resources of the specified type. MagickFalse is returned if the specified resource is exhausted otherwise MagickTrue.</p></ol>
162 <p>The format of the AcquireMagickResource() method is:</p>
165 MagickBooleanType AcquireMagickResource(const ResourceType type,
166 const MagickSizeType size)
169 <p>A description of each parameter follows:</p></ol>
172 <ol><p>the type of resource.</p></ol>
175 <ol><p>the number of bytes needed from for this resource.</p></ol>
178 <h2><a href="http://www.imagemagick.org/api/MagickCore/resource
179 _8c.html" target="source" name="AcquireUniqueFileResource">AcquireUniqueFileResource</a></h2>
180 <div class="doc-section">
182 <p>AcquireUniqueFileResource() returns a unique file name, and returns a file descriptor for the file open for reading and writing.</p></ol>
184 <p>The format of the AcquireUniqueFileResource() method is:</p>
187 int AcquireUniqueFileResource(char *path)
190 <p>A description of each parameter follows:</p></ol>
193 <ol><p>Specifies a pointer to an array of characters. The unique path name is returned in this array.</p></ol>
196 <h2><a href="http://www.imagemagick.org/api/MagickCore/resource
197 _8c.html" target="source" name="GetMagickResource">GetMagickResource</a></h2>
198 <div class="doc-section">
200 <p>GetMagickResource() returns the specified resource.</p></ol>
202 <p>The format of the GetMagickResource() method is:</p>
205 MagickSizeType GetMagickResource(const ResourceType type)
208 <p>A description of each parameter follows:</p></ol>
211 <ol><p>the type of resource.</p></ol>
214 <h2><a href="http://www.imagemagick.org/api/MagickCore/resource
215 _8c.html" target="source" name="GetMagickResource">GetMagickResource</a></h2>
216 <div class="doc-section">
218 <p>GetMagickResource() returns the specified resource limit.</p></ol>
220 <p>The format of the GetMagickResourceLimit() method is:</p>
223 unsigned long GetMagickResourceLimit(const ResourceType type)
226 <p>A description of each parameter follows:</p></ol>
229 <ol><p>the type of resource.</p></ol>
232 <h2><a href="http://www.imagemagick.org/api/MagickCore/resource
233 _8c.html" target="source" name="ListMagickResourceInfo">ListMagickResourceInfo</a></h2>
234 <div class="doc-section">
236 <p>ListMagickResourceInfo() lists the resource info to a file.</p></ol>
238 <p>The format of the ListMagickResourceInfo method is:</p>
241 MagickBooleanType ListMagickResourceInfo(FILE *file,
242 ExceptionInfo *exception)
245 <p>A description of each parameter follows.</p></ol>
248 <ol><p>An pointer to a FILE.</p></ol>
251 <ol><p>return any errors or warnings in this structure.</p></ol>
254 <h2><a href="http://www.imagemagick.org/api/MagickCore/resource
255 _8c.html" target="source" name="RelinquishMagickResource">RelinquishMagickResource</a></h2>
256 <div class="doc-section">
258 <p>RelinquishMagickResource() relinquishes resources of the specified type.</p></ol>
260 <p>The format of the RelinquishMagickResource() method is:</p>
263 void RelinquishMagickResource(const ResourceType type,
264 const MagickSizeType size)
267 <p>A description of each parameter follows:</p></ol>
270 <ol><p>the type of resource.</p></ol>
273 <ol><p>the size of the resource.</p></ol>
276 <h2><a href="http://www.imagemagick.org/api/MagickCore/resource
277 _8c.html" target="source" name="RelinquishUniqueFileResource">RelinquishUniqueFileResource</a></h2>
278 <div class="doc-section">
280 <p>RelinquishUniqueFileResource() relinquishes a unique file resource.</p></ol>
282 <p>The format of the RelinquishUniqueFileResource() method is:</p>
285 MagickBooleanType RelinquishUniqueFileResource(const char *path)
288 <p>A description of each parameter follows:</p></ol>
291 <ol><p>the name of the temporary resource.</p></ol>
294 <h2><a href="http://www.imagemagick.org/api/MagickCore/resource
295 _8c.html" target="source" name="SetMagickResourceLimit">SetMagickResourceLimit</a></h2>
296 <div class="doc-section">
298 <p>SetMagickResourceLimit() sets the limit for a particular resource.</p></ol>
300 <p>The format of the SetMagickResourceLimit() method is:</p>
303 MagickBooleanType SetMagickResourceLimit(const ResourceType type,
304 const MagickSizeType limit)
307 <p>A description of each parameter follows:</p></ol>
310 <ol><p>the type of resource.</p></ol>
313 <ol><p>the maximum limit for the resource.</p></ol>
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