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177
cristy307ba182010-12-25 01:00:34 +0000178<h1>Module pixel-iterator
179 Methods</h1>
cristy3ed852e2009-09-05 21:47:34 +0000180<p class="navigation-index">[<a href="#ClearPixelIterator">ClearPixelIterator</a> &bull; <a href="#ClonePixelIterator">ClonePixelIterator</a> &bull; <a href="#DestroyPixelIterator">DestroyPixelIterator</a> &bull; <a href="#IsPixelIterator">IsPixelIterator</a> &bull; <a href="#NewPixelIterator">NewPixelIterator</a> &bull; <a href="#PixelClearIteratorException">PixelClearIteratorException</a> &bull; <a href="#NewPixelRegionIterator">NewPixelRegionIterator</a> &bull; <a href="#PixelGetCurrentIteratorRow">PixelGetCurrentIteratorRow</a> &bull; <a href="#PixelGetIteratorException">PixelGetIteratorException</a> &bull; <a href="#PixelGetIteratorExceptionType">PixelGetIteratorExceptionType</a> &bull; <a href="#PixelGetIteratorRow">PixelGetIteratorRow</a> &bull; <a href="#PixelGetNextIteratorRow">PixelGetNextIteratorRow</a> &bull; <a href="#PixelGetPreviousIteratorRow">PixelGetPreviousIteratorRow</a> &bull; <a href="#PixelResetIterator">PixelResetIterator</a> &bull; <a href="#PixelSetFirstIteratorRow">PixelSetFirstIteratorRow</a> &bull; <a href="#PixelSetIteratorRow">PixelSetIteratorRow</a> &bull; <a href="#PixelSetLastIteratorRow">PixelSetLastIteratorRow</a> &bull; <a href="#PixelSyncIterator">PixelSyncIterator</a>]</p>
181
cristy7a40ba82011-01-08 20:31:18 +0000182<h2><a href="http://www.wizards-toolkit.org/api/MagickWand/pixel-iterator
183_8c.html" id="ClearPixelIterator">ClearPixelIterator</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000184<div class="doc-section">
185
cristy7a40ba82011-01-08 20:31:18 +0000186<p>ClearPixelIterator() clear resources associated with a PixelIterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000187
188<p>The format of the ClearPixelIterator method is:</p>
189
190<pre class="code">
191 PixelIterator *ClearPixelIterator(PixelIterator *iterator)
192</pre>
193
cristy7a40ba82011-01-08 20:31:18 +0000194<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000195
196<h5>iterator</h5>
cristy7a40ba82011-01-08 20:31:18 +0000197<p>the pixel iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000198
199 </div>
cristy7a40ba82011-01-08 20:31:18 +0000200<h2><a href="http://www.wizards-toolkit.org/api/MagickWand/pixel-iterator
201_8c.html" id="ClonePixelIterator">ClonePixelIterator</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000202<div class="doc-section">
203
cristy7a40ba82011-01-08 20:31:18 +0000204<p>ClonePixelIterator() makes an exact copy of the specified iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000205
206<p>The format of the ClonePixelIterator method is:</p>
207
208<pre class="code">
209 PixelIterator *ClonePixelIterator(const PixelIterator *iterator)
210</pre>
211
cristy7a40ba82011-01-08 20:31:18 +0000212<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000213
214<h5>iterator</h5>
cristy7a40ba82011-01-08 20:31:18 +0000215<p>the magick iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000216
217 </div>
cristy7a40ba82011-01-08 20:31:18 +0000218<h2><a href="http://www.wizards-toolkit.org/api/MagickWand/pixel-iterator
219_8c.html" id="DestroyPixelIterator">DestroyPixelIterator</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000220<div class="doc-section">
221
cristy7a40ba82011-01-08 20:31:18 +0000222<p>DestroyPixelIterator() deallocates resources associated with a PixelIterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000223
224<p>The format of the DestroyPixelIterator method is:</p>
225
226<pre class="code">
227 PixelIterator *DestroyPixelIterator(PixelIterator *iterator)
228</pre>
229
cristy7a40ba82011-01-08 20:31:18 +0000230<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000231
232<h5>iterator</h5>
cristy7a40ba82011-01-08 20:31:18 +0000233<p>the pixel iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000234
235 </div>
cristy7a40ba82011-01-08 20:31:18 +0000236<h2><a href="http://www.wizards-toolkit.org/api/MagickWand/pixel-iterator
237_8c.html" id="IsPixelIterator">IsPixelIterator</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000238<div class="doc-section">
239
cristy7a40ba82011-01-08 20:31:18 +0000240<p>IsPixelIterator() returns MagickTrue if the iterator is verified as a pixel iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000241
242<p>The format of the IsPixelIterator method is:</p>
243
244<pre class="code">
245 MagickBooleanType IsPixelIterator(const PixelIterator *iterator)
246</pre>
247
cristy7a40ba82011-01-08 20:31:18 +0000248<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000249
250<h5>iterator</h5>
cristy7a40ba82011-01-08 20:31:18 +0000251<p>the magick iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000252
253 </div>
cristy7a40ba82011-01-08 20:31:18 +0000254<h2><a href="http://www.wizards-toolkit.org/api/MagickWand/pixel-iterator
255_8c.html" id="NewPixelIterator">NewPixelIterator</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000256<div class="doc-section">
257
cristy7a40ba82011-01-08 20:31:18 +0000258<p>NewPixelIterator() returns a new pixel iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000259
260<p>The format of the NewPixelIterator method is:</p>
261
262<pre class="code">
cristya8902942010-07-30 00:49:52 +0000263 PixelIterator *NewPixelIterator(MagickWand *wand)
cristy3ed852e2009-09-05 21:47:34 +0000264</pre>
265
cristy7a40ba82011-01-08 20:31:18 +0000266<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000267
268<h5>wand</h5>
cristy7a40ba82011-01-08 20:31:18 +0000269<p>the magick wand.</p>
cristy3ed852e2009-09-05 21:47:34 +0000270
271 </div>
cristy7a40ba82011-01-08 20:31:18 +0000272<h2><a href="http://www.wizards-toolkit.org/api/MagickWand/pixel-iterator
273_8c.html" id="PixelClearIteratorException">PixelClearIteratorException</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000274<div class="doc-section">
275
cristy7a40ba82011-01-08 20:31:18 +0000276<p>PixelClearIteratorException() clear any exceptions associated with the iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000277
278<p>The format of the PixelClearIteratorException method is:</p>
279
280<pre class="code">
281 MagickBooleanType PixelClearIteratorException(PixelIterator *wand)
282</pre>
283
cristy7a40ba82011-01-08 20:31:18 +0000284<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000285
286<h5>wand</h5>
cristy7a40ba82011-01-08 20:31:18 +0000287<p>the pixel wand.</p>
cristy3ed852e2009-09-05 21:47:34 +0000288
289 </div>
cristy7a40ba82011-01-08 20:31:18 +0000290<h2><a href="http://www.wizards-toolkit.org/api/MagickWand/pixel-iterator
291_8c.html" id="NewPixelRegionIterator">NewPixelRegionIterator</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000292<div class="doc-section">
293
cristy7a40ba82011-01-08 20:31:18 +0000294<p>NewPixelRegionIterator() returns a new pixel iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000295
296<p>The format of the NewPixelRegionIterator method is:</p>
297
298<pre class="code">
cristybb503372010-05-27 20:51:26 +0000299 PixelIterator NewPixelRegionIterator(MagickWand *wand,const ssize_t x,
300 const ssize_t y,const size_t width,const size_t height)
cristy3ed852e2009-09-05 21:47:34 +0000301</pre>
302
cristy7a40ba82011-01-08 20:31:18 +0000303<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000304
305<h5>wand</h5>
cristy7a40ba82011-01-08 20:31:18 +0000306<p>the magick wand.</p>
cristy3ed852e2009-09-05 21:47:34 +0000307
308<h5>x,y,columns,rows</h5>
cristy7a40ba82011-01-08 20:31:18 +0000309<p>These values define the perimeter of a region of pixels.</p>
cristy3ed852e2009-09-05 21:47:34 +0000310
311 </div>
cristy7a40ba82011-01-08 20:31:18 +0000312<h2><a href="http://www.wizards-toolkit.org/api/MagickWand/pixel-iterator
313_8c.html" id="PixelGetCurrentIteratorRow">PixelGetCurrentIteratorRow</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000314<div class="doc-section">
315
cristy7a40ba82011-01-08 20:31:18 +0000316<p>PixelGetCurrentIteratorRow() returns the current row as an array of pixel wands from the pixel iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000317
318<p>The format of the PixelGetCurrentIteratorRow method is:</p>
319
320<pre class="code">
321 PixelWand **PixelGetCurrentIteratorRow(PixelIterator *iterator,
cristybb503372010-05-27 20:51:26 +0000322 size_t *number_wands)
cristy3ed852e2009-09-05 21:47:34 +0000323</pre>
324
cristy7a40ba82011-01-08 20:31:18 +0000325<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000326
327<h5>iterator</h5>
cristy7a40ba82011-01-08 20:31:18 +0000328<p>the pixel iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000329
330<h5>number_wands</h5>
cristy7a40ba82011-01-08 20:31:18 +0000331<p>the number of pixel wands.</p>
cristy3ed852e2009-09-05 21:47:34 +0000332
333 </div>
cristy7a40ba82011-01-08 20:31:18 +0000334<h2><a href="http://www.wizards-toolkit.org/api/MagickWand/pixel-iterator
335_8c.html" id="PixelGetIteratorException">PixelGetIteratorException</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000336<div class="doc-section">
337
cristy7a40ba82011-01-08 20:31:18 +0000338<p>PixelGetIteratorException() returns the severity, reason, and description of any error that occurs when using other methods in this API.</p>
cristy3ed852e2009-09-05 21:47:34 +0000339
340<p>The format of the PixelGetIteratorException method is:</p>
341
342<pre class="code">
343 char *PixelGetIteratorException(const Pixeliterator *iterator,
344 ExceptionType *severity)
345</pre>
346
cristy7a40ba82011-01-08 20:31:18 +0000347<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000348
349<h5>iterator</h5>
cristy7a40ba82011-01-08 20:31:18 +0000350<p>the pixel iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000351
352<h5>severity</h5>
cristy7a40ba82011-01-08 20:31:18 +0000353<p>the severity of the error is returned here.</p>
cristy3ed852e2009-09-05 21:47:34 +0000354
355 </div>
cristy7a40ba82011-01-08 20:31:18 +0000356<h2><a href="http://www.wizards-toolkit.org/api/MagickWand/pixel-iterator
357_8c.html" id="PixelGetIteratorExceptionType">PixelGetIteratorExceptionType</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000358<div class="doc-section">
359
cristy7a40ba82011-01-08 20:31:18 +0000360<p>PixelGetIteratorExceptionType() the exception type associated with the wand. If no exception has occurred, UndefinedExceptionType is returned.</p>
cristy3ed852e2009-09-05 21:47:34 +0000361
362<p>The format of the PixelGetIteratorExceptionType method is:</p>
363
364<pre class="code">
365 ExceptionType PixelGetIteratorExceptionType(const PixelWand *wand)
366</pre>
367
cristy7a40ba82011-01-08 20:31:18 +0000368<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000369
370<h5>wand</h5>
cristy7a40ba82011-01-08 20:31:18 +0000371<p>the magick wand.</p>
cristy3ed852e2009-09-05 21:47:34 +0000372
373 </div>
cristy7a40ba82011-01-08 20:31:18 +0000374<h2><a href="http://www.wizards-toolkit.org/api/MagickWand/pixel-iterator
375_8c.html" id="PixelGetIteratorRow">PixelGetIteratorRow</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000376<div class="doc-section">
377
cristy7a40ba82011-01-08 20:31:18 +0000378<p>PixelGetIteratorRow() returns the current pixel iterator row.</p>
cristy3ed852e2009-09-05 21:47:34 +0000379
380<p>The format of the PixelGetIteratorRow method is:</p>
381
382<pre class="code">
383 MagickBooleanType PixelGetIteratorRow(PixelIterator *iterator)
384</pre>
385
cristy7a40ba82011-01-08 20:31:18 +0000386<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000387
388<h5>iterator</h5>
cristy7a40ba82011-01-08 20:31:18 +0000389<p>the pixel iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000390
391 </div>
cristy7a40ba82011-01-08 20:31:18 +0000392<h2><a href="http://www.wizards-toolkit.org/api/MagickWand/pixel-iterator
393_8c.html" id="PixelGetNextIteratorRow">PixelGetNextIteratorRow</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000394<div class="doc-section">
395
cristy7a40ba82011-01-08 20:31:18 +0000396<p>PixelGetNextIteratorRow() returns the next row as an array of pixel wands from the pixel iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000397
398<p>The format of the PixelGetNextIteratorRow method is:</p>
399
400<pre class="code">
401 PixelWand **PixelGetNextIteratorRow(PixelIterator *iterator,
cristybb503372010-05-27 20:51:26 +0000402 size_t *number_wands)
cristy3ed852e2009-09-05 21:47:34 +0000403</pre>
404
cristy7a40ba82011-01-08 20:31:18 +0000405<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000406
407<h5>iterator</h5>
cristy7a40ba82011-01-08 20:31:18 +0000408<p>the pixel iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000409
410<h5>number_wands</h5>
cristy7a40ba82011-01-08 20:31:18 +0000411<p>the number of pixel wands.</p>
cristy3ed852e2009-09-05 21:47:34 +0000412
413 </div>
cristy7a40ba82011-01-08 20:31:18 +0000414<h2><a href="http://www.wizards-toolkit.org/api/MagickWand/pixel-iterator
415_8c.html" id="PixelGetPreviousIteratorRow">PixelGetPreviousIteratorRow</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000416<div class="doc-section">
417
cristy7a40ba82011-01-08 20:31:18 +0000418<p>PixelGetPreviousIteratorRow() returns the previous row as an array of pixel wands from the pixel iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000419
420<p>The format of the PixelGetPreviousIteratorRow method is:</p>
421
422<pre class="code">
423 PixelWand **PixelGetPreviousIteratorRow(PixelIterator *iterator,
cristybb503372010-05-27 20:51:26 +0000424 size_t *number_wands)
cristy3ed852e2009-09-05 21:47:34 +0000425</pre>
426
cristy7a40ba82011-01-08 20:31:18 +0000427<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000428
429<h5>iterator</h5>
cristy7a40ba82011-01-08 20:31:18 +0000430<p>the pixel iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000431
432<h5>number_wands</h5>
cristy7a40ba82011-01-08 20:31:18 +0000433<p>the number of pixel wands.</p>
cristy3ed852e2009-09-05 21:47:34 +0000434
435 </div>
cristy7a40ba82011-01-08 20:31:18 +0000436<h2><a href="http://www.wizards-toolkit.org/api/MagickWand/pixel-iterator
437_8c.html" id="PixelResetIterator">PixelResetIterator</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000438<div class="doc-section">
439
cristy7a40ba82011-01-08 20:31:18 +0000440<p>PixelResetIterator() resets the pixel iterator. Use it in conjunction with PixelGetNextIteratorRow() to iterate over all the pixels in a pixel container.</p>
cristy3ed852e2009-09-05 21:47:34 +0000441
442<p>The format of the PixelResetIterator method is:</p>
443
444<pre class="code">
445 void PixelResetIterator(PixelIterator *iterator)
446</pre>
447
cristy7a40ba82011-01-08 20:31:18 +0000448<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000449
450<h5>iterator</h5>
cristy7a40ba82011-01-08 20:31:18 +0000451<p>the pixel iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000452
453 </div>
cristy7a40ba82011-01-08 20:31:18 +0000454<h2><a href="http://www.wizards-toolkit.org/api/MagickWand/pixel-iterator
455_8c.html" id="PixelSetFirstIteratorRow">PixelSetFirstIteratorRow</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000456<div class="doc-section">
457
cristy7a40ba82011-01-08 20:31:18 +0000458<p>PixelSetFirstIteratorRow() sets the pixel iterator to the first pixel row.</p>
cristy3ed852e2009-09-05 21:47:34 +0000459
460<p>The format of the PixelSetFirstIteratorRow method is:</p>
461
462<pre class="code">
463 void PixelSetFirstIteratorRow(PixelIterator *iterator)
464</pre>
465
cristy7a40ba82011-01-08 20:31:18 +0000466<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000467
468<h5>iterator</h5>
cristy7a40ba82011-01-08 20:31:18 +0000469<p>the magick iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000470
471 </div>
cristy7a40ba82011-01-08 20:31:18 +0000472<h2><a href="http://www.wizards-toolkit.org/api/MagickWand/pixel-iterator
473_8c.html" id="PixelSetIteratorRow">PixelSetIteratorRow</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000474<div class="doc-section">
475
cristy7a40ba82011-01-08 20:31:18 +0000476<p>PixelSetIteratorRow() set the pixel iterator row.</p>
cristy3ed852e2009-09-05 21:47:34 +0000477
478<p>The format of the PixelSetIteratorRow method is:</p>
479
480<pre class="code">
481 MagickBooleanType PixelSetIteratorRow(PixelIterator *iterator,
cristybb503372010-05-27 20:51:26 +0000482 const ssize_t row)
cristy3ed852e2009-09-05 21:47:34 +0000483</pre>
484
cristy7a40ba82011-01-08 20:31:18 +0000485<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000486
487<h5>iterator</h5>
cristy7a40ba82011-01-08 20:31:18 +0000488<p>the pixel iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000489
490 </div>
cristy7a40ba82011-01-08 20:31:18 +0000491<h2><a href="http://www.wizards-toolkit.org/api/MagickWand/pixel-iterator
492_8c.html" id="PixelSetLastIteratorRow">PixelSetLastIteratorRow</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000493<div class="doc-section">
494
cristy7a40ba82011-01-08 20:31:18 +0000495<p>PixelSetLastIteratorRow() sets the pixel iterator to the last pixel row.</p>
cristy3ed852e2009-09-05 21:47:34 +0000496
497<p>The format of the PixelSetLastIteratorRow method is:</p>
498
499<pre class="code">
500 void PixelSetLastIteratorRow(PixelIterator *iterator)
501</pre>
502
cristy7a40ba82011-01-08 20:31:18 +0000503<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000504
505<h5>iterator</h5>
cristy7a40ba82011-01-08 20:31:18 +0000506<p>the magick iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000507
508 </div>
cristy7a40ba82011-01-08 20:31:18 +0000509<h2><a href="http://www.wizards-toolkit.org/api/MagickWand/pixel-iterator
510_8c.html" id="PixelSyncIterator">PixelSyncIterator</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000511<div class="doc-section">
512
cristy7a40ba82011-01-08 20:31:18 +0000513<p>PixelSyncIterator() syncs the pixel iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000514
515<p>The format of the PixelSyncIterator method is:</p>
516
517<pre class="code">
518 MagickBooleanType PixelSyncIterator(PixelIterator *iterator)
519</pre>
520
cristy7a40ba82011-01-08 20:31:18 +0000521<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000522
523<h5>iterator</h5>
cristy7a40ba82011-01-08 20:31:18 +0000524<p>the pixel iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000525
526 </div>
cristy3eaa0ef2010-03-06 20:35:26 +0000527
528</div>
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