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