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172<div class="main">
173
cristy307ba182010-12-25 01:00:34 +0000[diff] [blame]174<h1>Module pixel-iterator
175 Methods</h1>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]176<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>
177
178<h2><a href="http://www.imagemagick.org/api/MagickWand/pixel-iterator
179_8c.html" target="source" name="ClearPixelIterator">ClearPixelIterator</a></h2>
180<div class="doc-section">
181
182<p>ClearPixelIterator() clear resources associated with a PixelIterator.</p></ol>
183
184<p>The format of the ClearPixelIterator method is:</p>
185
186<pre class="code">
187 PixelIterator *ClearPixelIterator(PixelIterator *iterator)
188</pre>
189
190<p>A description of each parameter follows:</p></ol>
191
192<h5>iterator</h5>
193<ol><p>the pixel iterator.</p></ol>
194
195 </div>
196<h2><a href="http://www.imagemagick.org/api/MagickWand/pixel-iterator
197_8c.html" target="source" name="ClonePixelIterator">ClonePixelIterator</a></h2>
198<div class="doc-section">
199
200<p>ClonePixelIterator() makes an exact copy of the specified iterator.</p></ol>
201
202<p>The format of the ClonePixelIterator method is:</p>
203
204<pre class="code">
205 PixelIterator *ClonePixelIterator(const PixelIterator *iterator)
206</pre>
207
208<p>A description of each parameter follows:</p></ol>
209
210<h5>iterator</h5>
211<ol><p>the magick iterator.</p></ol>
212
213 </div>
214<h2><a href="http://www.imagemagick.org/api/MagickWand/pixel-iterator
215_8c.html" target="source" name="DestroyPixelIterator">DestroyPixelIterator</a></h2>
216<div class="doc-section">
217
218<p>DestroyPixelIterator() deallocates resources associated with a PixelIterator.</p></ol>
219
220<p>The format of the DestroyPixelIterator method is:</p>
221
222<pre class="code">
223 PixelIterator *DestroyPixelIterator(PixelIterator *iterator)
224</pre>
225
226<p>A description of each parameter follows:</p></ol>
227
228<h5>iterator</h5>
229<ol><p>the pixel iterator.</p></ol>
230
231 </div>
232<h2><a href="http://www.imagemagick.org/api/MagickWand/pixel-iterator
233_8c.html" target="source" name="IsPixelIterator">IsPixelIterator</a></h2>
234<div class="doc-section">
235
236<p>IsPixelIterator() returns MagickTrue if the iterator is verified as a pixel iterator.</p></ol>
237
238<p>The format of the IsPixelIterator method is:</p>
239
240<pre class="code">
241 MagickBooleanType IsPixelIterator(const PixelIterator *iterator)
242</pre>
243
244<p>A description of each parameter follows:</p></ol>
245
246<h5>iterator</h5>
247<ol><p>the magick iterator.</p></ol>
248
249 </div>
250<h2><a href="http://www.imagemagick.org/api/MagickWand/pixel-iterator
251_8c.html" target="source" name="NewPixelIterator">NewPixelIterator</a></h2>
252<div class="doc-section">
253
254<p>NewPixelIterator() returns a new pixel iterator.</p></ol>
255
256<p>The format of the NewPixelIterator method is:</p>
257
258<pre class="code">
cristya8902942010-07-30 00:49:52 +0000[diff] [blame]259 PixelIterator *NewPixelIterator(MagickWand *wand)
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]260</pre>
261
262<p>A description of each parameter follows:</p></ol>
263
264<h5>wand</h5>
265<ol><p>the magick wand.</p></ol>
266
267 </div>
268<h2><a href="http://www.imagemagick.org/api/MagickWand/pixel-iterator
269_8c.html" target="source" name="PixelClearIteratorException">PixelClearIteratorException</a></h2>
270<div class="doc-section">
271
272<p>PixelClearIteratorException() clear any exceptions associated with the iterator.</p></ol>
273
274<p>The format of the PixelClearIteratorException method is:</p>
275
276<pre class="code">
277 MagickBooleanType PixelClearIteratorException(PixelIterator *wand)
278</pre>
279
280<p>A description of each parameter follows:</p></ol>
281
282<h5>wand</h5>
283<ol><p>the pixel wand.</p></ol>
284
285 </div>
286<h2><a href="http://www.imagemagick.org/api/MagickWand/pixel-iterator
287_8c.html" target="source" name="NewPixelRegionIterator">NewPixelRegionIterator</a></h2>
288<div class="doc-section">
289
290<p>NewPixelRegionIterator() returns a new pixel iterator.</p></ol>
291
292<p>The format of the NewPixelRegionIterator method is:</p>
293
294<pre class="code">
cristybb503372010-05-27 20:51:26 +0000[diff] [blame]295 PixelIterator NewPixelRegionIterator(MagickWand *wand,const ssize_t x,
296 const ssize_t y,const size_t width,const size_t height)
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]297</pre>
298
299<p>A description of each parameter follows:</p></ol>
300
301<h5>wand</h5>
302<ol><p>the magick wand.</p></ol>
303
304<h5>x,y,columns,rows</h5>
305<ol><p>These values define the perimeter of a region of pixels.</p></ol>
306
307 </div>
308<h2><a href="http://www.imagemagick.org/api/MagickWand/pixel-iterator
309_8c.html" target="source" name="PixelGetCurrentIteratorRow">PixelGetCurrentIteratorRow</a></h2>
310<div class="doc-section">
311
312<p>PixelGetCurrentIteratorRow() returns the current row as an array of pixel wands from the pixel iterator.</p></ol>
313
314<p>The format of the PixelGetCurrentIteratorRow method is:</p>
315
316<pre class="code">
317 PixelWand **PixelGetCurrentIteratorRow(PixelIterator *iterator,
cristybb503372010-05-27 20:51:26 +0000[diff] [blame]318 size_t *number_wands)
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]319</pre>
320
321<p>A description of each parameter follows:</p></ol>
322
323<h5>iterator</h5>
324<ol><p>the pixel iterator.</p></ol>
325
326<h5>number_wands</h5>
327<ol><p>the number of pixel wands.</p></ol>
328
329 </div>
330<h2><a href="http://www.imagemagick.org/api/MagickWand/pixel-iterator
331_8c.html" target="source" name="PixelGetIteratorException">PixelGetIteratorException</a></h2>
332<div class="doc-section">
333
334<p>PixelGetIteratorException() returns the severity, reason, and description of any error that occurs when using other methods in this API.</p></ol>
335
336<p>The format of the PixelGetIteratorException method is:</p>
337
338<pre class="code">
339 char *PixelGetIteratorException(const Pixeliterator *iterator,
340 ExceptionType *severity)
341</pre>
342
343<p>A description of each parameter follows:</p></ol>
344
345<h5>iterator</h5>
346<ol><p>the pixel iterator.</p></ol>
347
348<h5>severity</h5>
349<ol><p>the severity of the error is returned here.</p></ol>
350
351 </div>
352<h2><a href="http://www.imagemagick.org/api/MagickWand/pixel-iterator
353_8c.html" target="source" name="PixelGetIteratorExceptionType">PixelGetIteratorExceptionType</a></h2>
354<div class="doc-section">
355
356<p>PixelGetIteratorExceptionType() the exception type associated with the wand. If no exception has occurred, UndefinedExceptionType is returned.</p></ol>
357
358<p>The format of the PixelGetIteratorExceptionType method is:</p>
359
360<pre class="code">
361 ExceptionType PixelGetIteratorExceptionType(const PixelWand *wand)
362</pre>
363
364<p>A description of each parameter follows:</p></ol>
365
366<h5>wand</h5>
367<ol><p>the magick wand.</p></ol>
368
369 </div>
370<h2><a href="http://www.imagemagick.org/api/MagickWand/pixel-iterator
371_8c.html" target="source" name="PixelGetIteratorRow">PixelGetIteratorRow</a></h2>
372<div class="doc-section">
373
374<p>PixelGetIteratorRow() returns the current pixel iterator row.</p></ol>
375
376<p>The format of the PixelGetIteratorRow method is:</p>
377
378<pre class="code">
379 MagickBooleanType PixelGetIteratorRow(PixelIterator *iterator)
380</pre>
381
382<p>A description of each parameter follows:</p></ol>
383
384<h5>iterator</h5>
385<ol><p>the pixel iterator.</p></ol>
386
387 </div>
388<h2><a href="http://www.imagemagick.org/api/MagickWand/pixel-iterator
389_8c.html" target="source" name="PixelGetNextIteratorRow">PixelGetNextIteratorRow</a></h2>
390<div class="doc-section">
391
392<p>PixelGetNextIteratorRow() returns the next row as an array of pixel wands from the pixel iterator.</p></ol>
393
394<p>The format of the PixelGetNextIteratorRow method is:</p>
395
396<pre class="code">
397 PixelWand **PixelGetNextIteratorRow(PixelIterator *iterator,
cristybb503372010-05-27 20:51:26 +0000[diff] [blame]398 size_t *number_wands)
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]399</pre>
400
401<p>A description of each parameter follows:</p></ol>
402
403<h5>iterator</h5>
404<ol><p>the pixel iterator.</p></ol>
405
406<h5>number_wands</h5>
407<ol><p>the number of pixel wands.</p></ol>
408
409 </div>
410<h2><a href="http://www.imagemagick.org/api/MagickWand/pixel-iterator
411_8c.html" target="source" name="PixelGetPreviousIteratorRow">PixelGetPreviousIteratorRow</a></h2>
412<div class="doc-section">
413
414<p>PixelGetPreviousIteratorRow() returns the previous row as an array of pixel wands from the pixel iterator.</p></ol>
415
416<p>The format of the PixelGetPreviousIteratorRow method is:</p>
417
418<pre class="code">
419 PixelWand **PixelGetPreviousIteratorRow(PixelIterator *iterator,
cristybb503372010-05-27 20:51:26 +0000[diff] [blame]420 size_t *number_wands)
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]421</pre>
422
423<p>A description of each parameter follows:</p></ol>
424
425<h5>iterator</h5>
426<ol><p>the pixel iterator.</p></ol>
427
428<h5>number_wands</h5>
429<ol><p>the number of pixel wands.</p></ol>
430
431 </div>
432<h2><a href="http://www.imagemagick.org/api/MagickWand/pixel-iterator
433_8c.html" target="source" name="PixelResetIterator">PixelResetIterator</a></h2>
434<div class="doc-section">
435
436<p>PixelResetIterator() resets the pixel iterator. Use it in conjunction with PixelGetNextIteratorRow() to iterate over all the pixels in a pixel container.</p></ol>
437
438<p>The format of the PixelResetIterator method is:</p>
439
440<pre class="code">
441 void PixelResetIterator(PixelIterator *iterator)
442</pre>
443
444<p>A description of each parameter follows:</p></ol>
445
446<h5>iterator</h5>
447<ol><p>the pixel iterator.</p></ol>
448
449 </div>
450<h2><a href="http://www.imagemagick.org/api/MagickWand/pixel-iterator
451_8c.html" target="source" name="PixelSetFirstIteratorRow">PixelSetFirstIteratorRow</a></h2>
452<div class="doc-section">
453
454<p>PixelSetFirstIteratorRow() sets the pixel iterator to the first pixel row.</p></ol>
455
456<p>The format of the PixelSetFirstIteratorRow method is:</p>
457
458<pre class="code">
459 void PixelSetFirstIteratorRow(PixelIterator *iterator)
460</pre>
461
462<p>A description of each parameter follows:</p></ol>
463
464<h5>iterator</h5>
465<ol><p>the magick iterator.</p></ol>
466
467 </div>
468<h2><a href="http://www.imagemagick.org/api/MagickWand/pixel-iterator
469_8c.html" target="source" name="PixelSetIteratorRow">PixelSetIteratorRow</a></h2>
470<div class="doc-section">
471
472<p>PixelSetIteratorRow() set the pixel iterator row.</p></ol>
473
474<p>The format of the PixelSetIteratorRow method is:</p>
475
476<pre class="code">
477 MagickBooleanType PixelSetIteratorRow(PixelIterator *iterator,
cristybb503372010-05-27 20:51:26 +0000[diff] [blame]478 const ssize_t row)
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]479</pre>
480
481<p>A description of each parameter follows:</p></ol>
482
483<h5>iterator</h5>
484<ol><p>the pixel iterator.</p></ol>
485
486 </div>
487<h2><a href="http://www.imagemagick.org/api/MagickWand/pixel-iterator
488_8c.html" target="source" name="PixelSetLastIteratorRow">PixelSetLastIteratorRow</a></h2>
489<div class="doc-section">
490
491<p>PixelSetLastIteratorRow() sets the pixel iterator to the last pixel row.</p></ol>
492
493<p>The format of the PixelSetLastIteratorRow method is:</p>
494
495<pre class="code">
496 void PixelSetLastIteratorRow(PixelIterator *iterator)
497</pre>
498
499<p>A description of each parameter follows:</p></ol>
500
501<h5>iterator</h5>
502<ol><p>the magick iterator.</p></ol>
503
504 </div>
505<h2><a href="http://www.imagemagick.org/api/MagickWand/pixel-iterator
506_8c.html" target="source" name="PixelSyncIterator">PixelSyncIterator</a></h2>
507<div class="doc-section">
508
509<p>PixelSyncIterator() syncs the pixel iterator.</p></ol>
510
511<p>The format of the PixelSyncIterator method is:</p>
512
513<pre class="code">
514 MagickBooleanType PixelSyncIterator(PixelIterator *iterator)
515</pre>
516
517<p>A description of each parameter follows:</p></ol>
518
519<h5>iterator</h5>
520<ol><p>the pixel iterator.</p></ol>
521
522 </div>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]523
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