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180
cristy307ba182010-12-25 01:00:34 +0000181<h1>Module pixel-iterator
182 Methods</h1>
cristy3ed852e2009-09-05 21:47:34 +0000183<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>
184
cristy7a40ba82011-01-08 20:31:18 +0000185<h2><a href="http://www.wizards-toolkit.org/api/MagickWand/pixel-iterator
186_8c.html" id="ClearPixelIterator">ClearPixelIterator</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000187<div class="doc-section">
188
cristy7a40ba82011-01-08 20:31:18 +0000189<p>ClearPixelIterator() clear resources associated with a PixelIterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000190
191<p>The format of the ClearPixelIterator method is:</p>
192
193<pre class="code">
194 PixelIterator *ClearPixelIterator(PixelIterator *iterator)
195</pre>
196
cristy7a40ba82011-01-08 20:31:18 +0000197<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000198
199<h5>iterator</h5>
cristy7a40ba82011-01-08 20:31:18 +0000200<p>the pixel iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000201
202 </div>
cristy7a40ba82011-01-08 20:31:18 +0000203<h2><a href="http://www.wizards-toolkit.org/api/MagickWand/pixel-iterator
204_8c.html" id="ClonePixelIterator">ClonePixelIterator</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000205<div class="doc-section">
206
cristy7a40ba82011-01-08 20:31:18 +0000207<p>ClonePixelIterator() makes an exact copy of the specified iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000208
209<p>The format of the ClonePixelIterator method is:</p>
210
211<pre class="code">
212 PixelIterator *ClonePixelIterator(const PixelIterator *iterator)
213</pre>
214
cristy7a40ba82011-01-08 20:31:18 +0000215<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000216
217<h5>iterator</h5>
cristy7a40ba82011-01-08 20:31:18 +0000218<p>the magick iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000219
220 </div>
cristy7a40ba82011-01-08 20:31:18 +0000221<h2><a href="http://www.wizards-toolkit.org/api/MagickWand/pixel-iterator
222_8c.html" id="DestroyPixelIterator">DestroyPixelIterator</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000223<div class="doc-section">
224
cristy7a40ba82011-01-08 20:31:18 +0000225<p>DestroyPixelIterator() deallocates resources associated with a PixelIterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000226
227<p>The format of the DestroyPixelIterator method is:</p>
228
229<pre class="code">
230 PixelIterator *DestroyPixelIterator(PixelIterator *iterator)
231</pre>
232
cristy7a40ba82011-01-08 20:31:18 +0000233<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000234
235<h5>iterator</h5>
cristy7a40ba82011-01-08 20:31:18 +0000236<p>the pixel iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000237
238 </div>
cristy7a40ba82011-01-08 20:31:18 +0000239<h2><a href="http://www.wizards-toolkit.org/api/MagickWand/pixel-iterator
240_8c.html" id="IsPixelIterator">IsPixelIterator</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000241<div class="doc-section">
242
cristy7a40ba82011-01-08 20:31:18 +0000243<p>IsPixelIterator() returns MagickTrue if the iterator is verified as a pixel iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000244
245<p>The format of the IsPixelIterator method is:</p>
246
247<pre class="code">
248 MagickBooleanType IsPixelIterator(const PixelIterator *iterator)
249</pre>
250
cristy7a40ba82011-01-08 20:31:18 +0000251<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000252
253<h5>iterator</h5>
cristy7a40ba82011-01-08 20:31:18 +0000254<p>the magick iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000255
256 </div>
cristy7a40ba82011-01-08 20:31:18 +0000257<h2><a href="http://www.wizards-toolkit.org/api/MagickWand/pixel-iterator
258_8c.html" id="NewPixelIterator">NewPixelIterator</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000259<div class="doc-section">
260
cristy7a40ba82011-01-08 20:31:18 +0000261<p>NewPixelIterator() returns a new pixel iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000262
263<p>The format of the NewPixelIterator method is:</p>
264
265<pre class="code">
cristya8902942010-07-30 00:49:52 +0000266 PixelIterator *NewPixelIterator(MagickWand *wand)
cristy3ed852e2009-09-05 21:47:34 +0000267</pre>
268
cristy7a40ba82011-01-08 20:31:18 +0000269<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000270
271<h5>wand</h5>
cristy7a40ba82011-01-08 20:31:18 +0000272<p>the magick wand.</p>
cristy3ed852e2009-09-05 21:47:34 +0000273
274 </div>
cristy7a40ba82011-01-08 20:31:18 +0000275<h2><a href="http://www.wizards-toolkit.org/api/MagickWand/pixel-iterator
276_8c.html" id="PixelClearIteratorException">PixelClearIteratorException</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000277<div class="doc-section">
278
cristy7a40ba82011-01-08 20:31:18 +0000279<p>PixelClearIteratorException() clear any exceptions associated with the iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000280
281<p>The format of the PixelClearIteratorException method is:</p>
282
283<pre class="code">
284 MagickBooleanType PixelClearIteratorException(PixelIterator *wand)
285</pre>
286
cristy7a40ba82011-01-08 20:31:18 +0000287<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000288
289<h5>wand</h5>
cristy7a40ba82011-01-08 20:31:18 +0000290<p>the pixel wand.</p>
cristy3ed852e2009-09-05 21:47:34 +0000291
292 </div>
cristy7a40ba82011-01-08 20:31:18 +0000293<h2><a href="http://www.wizards-toolkit.org/api/MagickWand/pixel-iterator
294_8c.html" id="NewPixelRegionIterator">NewPixelRegionIterator</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000295<div class="doc-section">
296
cristy7a40ba82011-01-08 20:31:18 +0000297<p>NewPixelRegionIterator() returns a new pixel iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000298
299<p>The format of the NewPixelRegionIterator method is:</p>
300
301<pre class="code">
cristybb503372010-05-27 20:51:26 +0000302 PixelIterator NewPixelRegionIterator(MagickWand *wand,const ssize_t x,
303 const ssize_t y,const size_t width,const size_t height)
cristy3ed852e2009-09-05 21:47:34 +0000304</pre>
305
cristy7a40ba82011-01-08 20:31:18 +0000306<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000307
308<h5>wand</h5>
cristy7a40ba82011-01-08 20:31:18 +0000309<p>the magick wand.</p>
cristy3ed852e2009-09-05 21:47:34 +0000310
311<h5>x,y,columns,rows</h5>
cristy7a40ba82011-01-08 20:31:18 +0000312<p>These values define the perimeter of a region of pixels.</p>
cristy3ed852e2009-09-05 21:47:34 +0000313
314 </div>
cristy7a40ba82011-01-08 20:31:18 +0000315<h2><a href="http://www.wizards-toolkit.org/api/MagickWand/pixel-iterator
316_8c.html" id="PixelGetCurrentIteratorRow">PixelGetCurrentIteratorRow</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000317<div class="doc-section">
318
cristy7a40ba82011-01-08 20:31:18 +0000319<p>PixelGetCurrentIteratorRow() returns the current row as an array of pixel wands from the pixel iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000320
321<p>The format of the PixelGetCurrentIteratorRow method is:</p>
322
323<pre class="code">
324 PixelWand **PixelGetCurrentIteratorRow(PixelIterator *iterator,
cristybb503372010-05-27 20:51:26 +0000325 size_t *number_wands)
cristy3ed852e2009-09-05 21:47:34 +0000326</pre>
327
cristy7a40ba82011-01-08 20:31:18 +0000328<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000329
330<h5>iterator</h5>
cristy7a40ba82011-01-08 20:31:18 +0000331<p>the pixel iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000332
333<h5>number_wands</h5>
cristy7a40ba82011-01-08 20:31:18 +0000334<p>the number of pixel wands.</p>
cristy3ed852e2009-09-05 21:47:34 +0000335
336 </div>
cristy7a40ba82011-01-08 20:31:18 +0000337<h2><a href="http://www.wizards-toolkit.org/api/MagickWand/pixel-iterator
338_8c.html" id="PixelGetIteratorException">PixelGetIteratorException</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000339<div class="doc-section">
340
cristy7a40ba82011-01-08 20:31:18 +0000341<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 +0000342
343<p>The format of the PixelGetIteratorException method is:</p>
344
345<pre class="code">
346 char *PixelGetIteratorException(const Pixeliterator *iterator,
347 ExceptionType *severity)
348</pre>
349
cristy7a40ba82011-01-08 20:31:18 +0000350<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000351
352<h5>iterator</h5>
cristy7a40ba82011-01-08 20:31:18 +0000353<p>the pixel iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000354
355<h5>severity</h5>
cristy7a40ba82011-01-08 20:31:18 +0000356<p>the severity of the error is returned here.</p>
cristy3ed852e2009-09-05 21:47:34 +0000357
358 </div>
cristy7a40ba82011-01-08 20:31:18 +0000359<h2><a href="http://www.wizards-toolkit.org/api/MagickWand/pixel-iterator
360_8c.html" id="PixelGetIteratorExceptionType">PixelGetIteratorExceptionType</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000361<div class="doc-section">
362
cristy7a40ba82011-01-08 20:31:18 +0000363<p>PixelGetIteratorExceptionType() the exception type associated with the wand. If no exception has occurred, UndefinedExceptionType is returned.</p>
cristy3ed852e2009-09-05 21:47:34 +0000364
365<p>The format of the PixelGetIteratorExceptionType method is:</p>
366
367<pre class="code">
368 ExceptionType PixelGetIteratorExceptionType(const PixelWand *wand)
369</pre>
370
cristy7a40ba82011-01-08 20:31:18 +0000371<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000372
373<h5>wand</h5>
cristy7a40ba82011-01-08 20:31:18 +0000374<p>the magick wand.</p>
cristy3ed852e2009-09-05 21:47:34 +0000375
376 </div>
cristy7a40ba82011-01-08 20:31:18 +0000377<h2><a href="http://www.wizards-toolkit.org/api/MagickWand/pixel-iterator
378_8c.html" id="PixelGetIteratorRow">PixelGetIteratorRow</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000379<div class="doc-section">
380
cristy7a40ba82011-01-08 20:31:18 +0000381<p>PixelGetIteratorRow() returns the current pixel iterator row.</p>
cristy3ed852e2009-09-05 21:47:34 +0000382
383<p>The format of the PixelGetIteratorRow method is:</p>
384
385<pre class="code">
386 MagickBooleanType PixelGetIteratorRow(PixelIterator *iterator)
387</pre>
388
cristy7a40ba82011-01-08 20:31:18 +0000389<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000390
391<h5>iterator</h5>
cristy7a40ba82011-01-08 20:31:18 +0000392<p>the pixel iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000393
394 </div>
cristy7a40ba82011-01-08 20:31:18 +0000395<h2><a href="http://www.wizards-toolkit.org/api/MagickWand/pixel-iterator
396_8c.html" id="PixelGetNextIteratorRow">PixelGetNextIteratorRow</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000397<div class="doc-section">
398
cristy7a40ba82011-01-08 20:31:18 +0000399<p>PixelGetNextIteratorRow() returns the next row as an array of pixel wands from the pixel iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000400
401<p>The format of the PixelGetNextIteratorRow method is:</p>
402
403<pre class="code">
404 PixelWand **PixelGetNextIteratorRow(PixelIterator *iterator,
cristybb503372010-05-27 20:51:26 +0000405 size_t *number_wands)
cristy3ed852e2009-09-05 21:47:34 +0000406</pre>
407
cristy7a40ba82011-01-08 20:31:18 +0000408<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000409
410<h5>iterator</h5>
cristy7a40ba82011-01-08 20:31:18 +0000411<p>the pixel iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000412
413<h5>number_wands</h5>
cristy7a40ba82011-01-08 20:31:18 +0000414<p>the number of pixel wands.</p>
cristy3ed852e2009-09-05 21:47:34 +0000415
416 </div>
cristy7a40ba82011-01-08 20:31:18 +0000417<h2><a href="http://www.wizards-toolkit.org/api/MagickWand/pixel-iterator
418_8c.html" id="PixelGetPreviousIteratorRow">PixelGetPreviousIteratorRow</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000419<div class="doc-section">
420
cristy7a40ba82011-01-08 20:31:18 +0000421<p>PixelGetPreviousIteratorRow() returns the previous row as an array of pixel wands from the pixel iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000422
423<p>The format of the PixelGetPreviousIteratorRow method is:</p>
424
425<pre class="code">
426 PixelWand **PixelGetPreviousIteratorRow(PixelIterator *iterator,
cristybb503372010-05-27 20:51:26 +0000427 size_t *number_wands)
cristy3ed852e2009-09-05 21:47:34 +0000428</pre>
429
cristy7a40ba82011-01-08 20:31:18 +0000430<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000431
432<h5>iterator</h5>
cristy7a40ba82011-01-08 20:31:18 +0000433<p>the pixel iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000434
435<h5>number_wands</h5>
cristy7a40ba82011-01-08 20:31:18 +0000436<p>the number of pixel wands.</p>
cristy3ed852e2009-09-05 21:47:34 +0000437
438 </div>
cristy7a40ba82011-01-08 20:31:18 +0000439<h2><a href="http://www.wizards-toolkit.org/api/MagickWand/pixel-iterator
440_8c.html" id="PixelResetIterator">PixelResetIterator</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000441<div class="doc-section">
442
cristy7a40ba82011-01-08 20:31:18 +0000443<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 +0000444
445<p>The format of the PixelResetIterator method is:</p>
446
447<pre class="code">
448 void PixelResetIterator(PixelIterator *iterator)
449</pre>
450
cristy7a40ba82011-01-08 20:31:18 +0000451<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000452
453<h5>iterator</h5>
cristy7a40ba82011-01-08 20:31:18 +0000454<p>the pixel iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000455
456 </div>
cristy7a40ba82011-01-08 20:31:18 +0000457<h2><a href="http://www.wizards-toolkit.org/api/MagickWand/pixel-iterator
458_8c.html" id="PixelSetFirstIteratorRow">PixelSetFirstIteratorRow</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000459<div class="doc-section">
460
cristy7a40ba82011-01-08 20:31:18 +0000461<p>PixelSetFirstIteratorRow() sets the pixel iterator to the first pixel row.</p>
cristy3ed852e2009-09-05 21:47:34 +0000462
463<p>The format of the PixelSetFirstIteratorRow method is:</p>
464
465<pre class="code">
466 void PixelSetFirstIteratorRow(PixelIterator *iterator)
467</pre>
468
cristy7a40ba82011-01-08 20:31:18 +0000469<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000470
471<h5>iterator</h5>
cristy7a40ba82011-01-08 20:31:18 +0000472<p>the magick iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000473
474 </div>
cristy7a40ba82011-01-08 20:31:18 +0000475<h2><a href="http://www.wizards-toolkit.org/api/MagickWand/pixel-iterator
476_8c.html" id="PixelSetIteratorRow">PixelSetIteratorRow</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000477<div class="doc-section">
478
cristy7a40ba82011-01-08 20:31:18 +0000479<p>PixelSetIteratorRow() set the pixel iterator row.</p>
cristy3ed852e2009-09-05 21:47:34 +0000480
481<p>The format of the PixelSetIteratorRow method is:</p>
482
483<pre class="code">
484 MagickBooleanType PixelSetIteratorRow(PixelIterator *iterator,
cristybb503372010-05-27 20:51:26 +0000485 const ssize_t row)
cristy3ed852e2009-09-05 21:47:34 +0000486</pre>
487
cristy7a40ba82011-01-08 20:31:18 +0000488<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000489
490<h5>iterator</h5>
cristy7a40ba82011-01-08 20:31:18 +0000491<p>the pixel iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000492
493 </div>
cristy7a40ba82011-01-08 20:31:18 +0000494<h2><a href="http://www.wizards-toolkit.org/api/MagickWand/pixel-iterator
495_8c.html" id="PixelSetLastIteratorRow">PixelSetLastIteratorRow</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000496<div class="doc-section">
497
cristy7a40ba82011-01-08 20:31:18 +0000498<p>PixelSetLastIteratorRow() sets the pixel iterator to the last pixel row.</p>
cristy3ed852e2009-09-05 21:47:34 +0000499
500<p>The format of the PixelSetLastIteratorRow method is:</p>
501
502<pre class="code">
503 void PixelSetLastIteratorRow(PixelIterator *iterator)
504</pre>
505
cristy7a40ba82011-01-08 20:31:18 +0000506<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000507
508<h5>iterator</h5>
cristy7a40ba82011-01-08 20:31:18 +0000509<p>the magick iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000510
511 </div>
cristy7a40ba82011-01-08 20:31:18 +0000512<h2><a href="http://www.wizards-toolkit.org/api/MagickWand/pixel-iterator
513_8c.html" id="PixelSyncIterator">PixelSyncIterator</a></h2>
cristy3ed852e2009-09-05 21:47:34 +0000514<div class="doc-section">
515
cristy7a40ba82011-01-08 20:31:18 +0000516<p>PixelSyncIterator() syncs the pixel iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000517
518<p>The format of the PixelSyncIterator method is:</p>
519
520<pre class="code">
521 MagickBooleanType PixelSyncIterator(PixelIterator *iterator)
522</pre>
523
cristy7a40ba82011-01-08 20:31:18 +0000524<p>A description of each parameter follows:</p>
cristy3ed852e2009-09-05 21:47:34 +0000525
526<h5>iterator</h5>
cristy7a40ba82011-01-08 20:31:18 +0000527<p>the pixel iterator.</p>
cristy3ed852e2009-09-05 21:47:34 +0000528
529 </div>
cristy3eaa0ef2010-03-06 20:35:26 +0000530
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