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12 <title>ImageMagick: MagickCore, C API for ImageMagick: Monitor the Progress of an Image Operation</title>
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161
162<div class="main">
163
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]164<p class="navigation-index">[<a href="#SetImageProgressMonitor">SetImageProgressMonitor</a> &bull; <a href="#SetImageInfoProgressMonitor">SetImageInfoProgressMonitor</a>]</p>
165
166<h2><a href="http://www.imagemagick.org/api/MagickCore/monitor
167_8c.html" target="source" name="SetImageProgressMonitor">SetImageProgressMonitor</a></h2>
168<div class="doc-section">
169
170<p>SetImageProgressMonitor() sets the image progress monitor to the specified method and returns the previous progress monitor if any. The progress monitor method looks like this:</p>
171
172<pre class="text">
173 MagickBooleanType MagickProgressMonitor(const char *text,
cristyf3bb4782009-09-08 13:10:04 +0000[diff] [blame]174 const MagickOffsetType offset,const MagickSizeType extent,
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]175 void *client_data)
176</pre>
177
178<p>If the progress monitor returns MagickFalse, the current operation is interrupted.</p></ol>
179
180<p>The format of the SetImageProgressMonitor method is:</p>
181
182<pre class="code">
183 MagickProgressMonitor SetImageProgressMonitor(Image *image,
184 const MagickProgressMonitor progress_monitor,void *client_data)
185</pre>
186
187<p>A description of each parameter follows:</p></ol>
188
189<h5>image</h5>
190<ol><p>the image.</p></ol>
191
192<h5>progress_monitor</h5>
193<ol><p>Specifies a pointer to a method to monitor progress of an image operation.</p></ol>
194
195<h5>client_data</h5>
196<ol><p>Specifies a pointer to any client data.</p></ol>
197
198 </div>
199<h2><a href="http://www.imagemagick.org/api/MagickCore/monitor
200_8c.html" target="source" name="SetImageInfoProgressMonitor">SetImageInfoProgressMonitor</a></h2>
201<div class="doc-section">
202
203<p>SetImageInfoProgressMonitor() sets the image_info progress monitor to the specified method and returns the previous progress monitor if any. The progress monitor method looks like this:</p>
204
205<pre class="text">
206 MagickBooleanType MagickProgressMonitor(const char *text,
cristyf3bb4782009-09-08 13:10:04 +0000[diff] [blame]207 const MagickOffsetType offset,const MagickSizeType extent,
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]208 void *client_data)
209</pre>
210
211<p>If the progress monitor returns MagickFalse, the current operation is interrupted.</p></ol>
212
213<p>The format of the SetImageInfoProgressMonitor method is:</p>
214
215<pre class="code">
216 MagickProgressMonitor SetImageInfoProgressMonitor(ImageInfo *image_info,
217 const MagickProgressMonitor progress_monitor,void *client_data)
218</pre>
219
220<p>A description of each parameter follows:</p></ol>
221
222<h5>image_info</h5>
223<ol><p>the image info.</p></ol>
224
225<h5>progress_monitor</h5>
226<ol><p>Specifies a pointer to a method to monitor progress of an image operation.</p></ol>
227
228<h5>client_data</h5>
229<ol><p>Specifies a pointer to any client data.</p></ol>
230
231 </div>
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