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200<div class="main">
201
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]202<h1>Module magick-wand Methods</h1>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]203<p class="navigation-index">[<a href="#ClearMagickWand">ClearMagickWand</a> &bull; <a href="#CloneMagickWand">CloneMagickWand</a> &bull; <a href="#DestroyMagickWand">DestroyMagickWand</a> &bull; <a href="#IsMagickWand">IsMagickWand</a> &bull; <a href="#MagickClearException">MagickClearException</a> &bull; <a href="#MagickGetException">MagickGetException</a> &bull; <a href="#MagickGetExceptionType">MagickGetExceptionType</a> &bull; <a href="#MagickGetIteratorIndex">MagickGetIteratorIndex</a> &bull; <a href="#MagickQueryConfigureOption">MagickQueryConfigureOption</a> &bull; <a href="#MagickQueryConfigureOptions">MagickQueryConfigureOptions</a> &bull; <a href="#MagickQueryFontMetrics">MagickQueryFontMetrics</a> &bull; <a href="#MagickQueryMultilineFontMetrics">MagickQueryMultilineFontMetrics</a> &bull; <a href="#MagickQueryFonts">MagickQueryFonts</a> &bull; <a href="#MagickQueryFonts">MagickQueryFonts</a> &bull; <a href="#MagickRelinquishMemory">MagickRelinquishMemory</a> &bull; <a href="#MagickResetIterator">MagickResetIterator</a> &bull; <a href="#MagickSetFirstIterator">MagickSetFirstIterator</a> &bull; <a href="#MagickSetIteratorIndex">MagickSetIteratorIndex</a> &bull; <a href="#MagickSetLastIterator">MagickSetLastIterator</a> &bull; <a href="#MagickWandGenesis">MagickWandGenesis</a> &bull; <a href="#MagickWandTerminus">MagickWandTerminus</a> &bull; <a href="#NewMagickWand">NewMagickWand</a> &bull; <a href="#NewMagickWandFromImage">NewMagickWandFromImage</a>]</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]204
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]205<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand_8c.html" id="ClearMagickWand">ClearMagickWand</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]206<div class="doc-section">
207
208<p>ClearMagickWand() clears resources associated with the wand.</p>
209
210<p>The format of the ClearMagickWand method is:</p>
211
212<pre class="code">
213 void ClearMagickWand(MagickWand *wand)
214</pre>
215
216<p>A description of each parameter follows:</p>
217
218<h5>wand</h5>
219<p>the magick wand.</p>
220
221 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]222<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand_8c.html" id="CloneMagickWand">CloneMagickWand</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]223<div class="doc-section">
224
225<p>CloneMagickWand() makes an exact copy of the specified wand.</p>
226
227<p>The format of the CloneMagickWand method is:</p>
228
229<pre class="code">
230 MagickWand *CloneMagickWand(const MagickWand *wand)
231</pre>
232
233<p>A description of each parameter follows:</p>
234
235<h5>wand</h5>
236<p>the magick wand.</p>
237
238 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]239<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand_8c.html" id="DestroyMagickWand">DestroyMagickWand</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]240<div class="doc-section">
241
242<p>DestroyMagickWand() deallocates memory associated with an MagickWand.</p>
243
244<p>The format of the DestroyMagickWand method is:</p>
245
246<pre class="code">
247 MagickWand *DestroyMagickWand(MagickWand *wand)
248</pre>
249
250<p>A description of each parameter follows:</p>
251
252<h5>wand</h5>
253<p>the magick wand.</p>
254
255 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]256<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand_8c.html" id="IsMagickWand">IsMagickWand</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]257<div class="doc-section">
258
259<p>IsMagickWand() returns MagickTrue if the wand is verified as a magick wand.</p>
260
261<p>The format of the IsMagickWand method is:</p>
262
263<pre class="code">
264 MagickBooleanType IsMagickWand(const MagickWand *wand)
265</pre>
266
267<p>A description of each parameter follows:</p>
268
269<h5>wand</h5>
270<p>the magick wand.</p>
271
272 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]273<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand_8c.html" id="MagickClearException">MagickClearException</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]274<div class="doc-section">
275
276<p>MagickClearException() clears any exceptions associated with the wand.</p>
277
278<p>The format of the MagickClearException method is:</p>
279
280<pre class="code">
281 MagickBooleanType MagickClearException(MagickWand *wand)
282</pre>
283
284<p>A description of each parameter follows:</p>
285
286<h5>wand</h5>
287<p>the magick wand.</p>
288
289 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]290<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand_8c.html" id="MagickGetException">MagickGetException</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]291<div class="doc-section">
292
293<p>MagickGetException() returns the severity, reason, and description of any error that occurs when using other methods in this API.</p>
294
295<p>The format of the MagickGetException method is:</p>
296
297<pre class="code">
298 char *MagickGetException(const MagickWand *wand,ExceptionType *severity)
299</pre>
300
301<p>A description of each parameter follows:</p>
302
303<h5>wand</h5>
304<p>the magick wand.</p>
305
306<h5>severity</h5>
307<p>the severity of the error is returned here.</p>
308
309 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]310<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand_8c.html" id="MagickGetExceptionType">MagickGetExceptionType</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]311<div class="doc-section">
312
313<p>MagickGetExceptionType() returns the exception type associated with the wand. If no exception has occurred, UndefinedExceptionType is returned.</p>
314
315<p>The format of the MagickGetExceptionType method is:</p>
316
317<pre class="code">
318 ExceptionType MagickGetExceptionType(const MagickWand *wand)
319</pre>
320
321<p>A description of each parameter follows:</p>
322
323<h5>wand</h5>
324<p>the magick wand.</p>
325
326 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]327<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand_8c.html" id="MagickGetIteratorIndex">MagickGetIteratorIndex</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]328<div class="doc-section">
329
330<p>MagickGetIteratorIndex() returns the position of the iterator in the image list.</p>
331
332<p>The format of the MagickGetIteratorIndex method is:</p>
333
334<pre class="code">
335 ssize_t MagickGetIteratorIndex(MagickWand *wand)
336</pre>
337
338<p>A description of each parameter follows:</p>
339
340<h5>wand</h5>
341<p>the magick wand.</p>
342
343 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]344<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand_8c.html" id="MagickQueryConfigureOption">MagickQueryConfigureOption</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]345<div class="doc-section">
346
347<p>MagickQueryConfigureOption() returns the value associated with the specified configure option.</p>
348
349<p>The format of the MagickQueryConfigureOption function is:</p>
350
351<pre class="text">
352 char *MagickQueryConfigureOption(const char *option)
353</pre>
354
355<p>A description of each parameter follows:</p>
356
357<h5>option</h5>
358<p>the option name.</p>
359
360 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]361<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand_8c.html" id="MagickQueryConfigureOptions">MagickQueryConfigureOptions</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]362<div class="doc-section">
363
364<p>MagickQueryConfigureOptions() returns any configure options that match the specified pattern (e.g. "*" for all). Options include NAME, VERSION, LIB_VERSION, etc.</p>
365
366<p>The format of the MagickQueryConfigureOptions function is:</p>
367
368<pre class="text">
369 char **MagickQueryConfigureOptions(const char *pattern,
370 size_t *number_options)
371</pre>
372
373<p>A description of each parameter follows:</p>
374
375<h5>pattern</h5>
376<p>Specifies a pointer to a text string containing a pattern.</p>
377
378<h5>number_options</h5>
379<p>Returns the number of configure options in the list.</p>
380
381
382 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]383<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand_8c.html" id="MagickQueryFontMetrics">MagickQueryFontMetrics</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]384<div class="doc-section">
385
386<p>MagickQueryFontMetrics() returns a 13 element array representing the following font metrics:</p>
387
388<pre class="text">
389 Element Description
390 -------------------------------------------------
391 0 character width
392 1 character height
393 2 ascender
394 3 descender
395 4 text width
396 5 text height
397 6 maximum horizontal advance
398 7 bounding box: x1
399 8 bounding box: y1
400 9 bounding box: x2
401 10 bounding box: y2
402 11 origin: x
403 12 origin: y
404</pre>
405
406<p>The format of the MagickQueryFontMetrics method is:</p>
407
408<pre class="code">
409 double *MagickQueryFontMetrics(MagickWand *wand,
410 const DrawingWand *drawing_wand,const char *text)
411</pre>
412
413<p>A description of each parameter follows:</p>
414
415<h5>wand</h5>
416<p>the Magick wand.</p>
417
418<h5>drawing_wand</h5>
419<p>the drawing wand.</p>
420
421<h5>text</h5>
422<p>the text.</p>
423
424 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]425<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand_8c.html" id="MagickQueryMultilineFontMetrics">MagickQueryMultilineFontMetrics</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]426<div class="doc-section">
427
428<p>MagickQueryMultilineFontMetrics() returns a 13 element array representing the following font metrics:</p>
429
430<pre class="text">
431 Element Description
432 -------------------------------------------------
433 0 character width
434 1 character height
435 2 ascender
436 3 descender
437 4 text width
438 5 text height
439 6 maximum horizontal advance
440 7 bounding box: x1
441 8 bounding box: y1
442 9 bounding box: x2
443 10 bounding box: y2
444 11 origin: x
445 12 origin: y
446</pre>
447
448<p>This method is like MagickQueryFontMetrics() but it returns the maximum text width and height for multiple lines of text.</p>
449
450<p>The format of the MagickQueryFontMetrics method is:</p>
451
452<pre class="code">
453 double *MagickQueryMultilineFontMetrics(MagickWand *wand,
454 const DrawingWand *drawing_wand,const char *text)
455</pre>
456
457<p>A description of each parameter follows:</p>
458
459<h5>wand</h5>
460<p>the Magick wand.</p>
461
462<h5>drawing_wand</h5>
463<p>the drawing wand.</p>
464
465<h5>text</h5>
466<p>the text.</p>
467
468 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]469<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand_8c.html" id="MagickQueryFonts">MagickQueryFonts</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]470<div class="doc-section">
471
472<p>MagickQueryFonts() returns any font that match the specified pattern (e.g. "*" for all).</p>
473
474<p>The format of the MagickQueryFonts function is:</p>
475
476<pre class="text">
477 char **MagickQueryFonts(const char *pattern,size_t *number_fonts)
478</pre>
479
480<p>A description of each parameter follows:</p>
481
482<h5>pattern</h5>
483<p>Specifies a pointer to a text string containing a pattern.</p>
484
485<h5>number_fonts</h5>
486<p>Returns the number of fonts in the list.</p>
487
488
489 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]490<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand_8c.html" id="MagickQueryFonts">MagickQueryFonts</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]491<div class="doc-section">
492
493<p>MagickQueryFonts() returns any image formats that match the specified pattern (e.g. "*" for all).</p>
494
495<p>The format of the MagickQueryFonts function is:</p>
496
497<pre class="text">
498 char **MagickQueryFonts(const char *pattern,
499 size_t *number_formats)
500</pre>
501
502<p>A description of each parameter follows:</p>
503
504<h5>pattern</h5>
505<p>Specifies a pointer to a text string containing a pattern.</p>
506
507<h5>number_formats</h5>
508<p>This integer returns the number of image formats in the list.</p>
509
510 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]511<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand_8c.html" id="MagickRelinquishMemory">MagickRelinquishMemory</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]512<div class="doc-section">
513
514<p>MagickRelinquishMemory() relinquishes memory resources returned by such methods as MagickIdentifyImage(), MagickGetException(), etc.</p>
515
516<p>The format of the MagickRelinquishMemory method is:</p>
517
518<pre class="code">
519 void *MagickRelinquishMemory(void *resource)
520</pre>
521
522<p>A description of each parameter follows:</p>
523
524<h5>resource</h5>
525<p>Relinquish the memory associated with this resource.</p>
526
527 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]528<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand_8c.html" id="MagickResetIterator">MagickResetIterator</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]529<div class="doc-section">
530
531<p>MagickResetIterator() resets the wand iterator. Use it in conjunction with MagickNextImage() to iterate over all the images in a wand container.</p>
532
533<p>The format of the MagickResetIterator method is:</p>
534
535<pre class="code">
536 void MagickResetIterator(MagickWand *wand)
537</pre>
538
539<p>A description of each parameter follows:</p>
540
541<h5>wand</h5>
542<p>the magick wand.</p>
543
544 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]545<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand_8c.html" id="MagickSetFirstIterator">MagickSetFirstIterator</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]546<div class="doc-section">
547
548<p>MagickSetFirstIterator() sets the wand iterator to the first image.</p>
549
550<p>The format of the MagickSetFirstIterator method is:</p>
551
552<pre class="code">
553 void MagickSetFirstIterator(MagickWand *wand)
554</pre>
555
556<p>A description of each parameter follows:</p>
557
558<h5>wand</h5>
559<p>the magick wand.</p>
560
561 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]562<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand_8c.html" id="MagickSetIteratorIndex">MagickSetIteratorIndex</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]563<div class="doc-section">
564
565<p>MagickSetIteratorIndex() set the iterator to the position in the image list specified with the index parameter.</p>
566
567<p>The format of the MagickSetIteratorIndex method is:</p>
568
569<pre class="code">
570 MagickBooleanType MagickSetIteratorIndex(MagickWand *wand,
571 const ssize_t index)
572</pre>
573
574<p>A description of each parameter follows:</p>
575
576<h5>wand</h5>
577<p>the magick wand.</p>
578
579<h5>index</h5>
580<p>the scene number.</p>
581
582 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]583<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand_8c.html" id="MagickSetLastIterator">MagickSetLastIterator</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]584<div class="doc-section">
585
586<p>MagickSetLastIterator() sets the wand iterator to the last image.</p>
587
588<p>The format of the MagickSetLastIterator method is:</p>
589
590<pre class="code">
591 void MagickSetLastIterator(MagickWand *wand)
592</pre>
593
594<p>A description of each parameter follows:</p>
595
596<h5>wand</h5>
597<p>the magick wand.</p>
598
599 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]600<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand_8c.html" id="MagickWandGenesis">MagickWandGenesis</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]601<div class="doc-section">
602
603<p>MagickWandGenesis() initializes the MagickWand environment.</p>
604
605<p>The format of the MagickWandGenesis method is:</p>
606
607<pre class="code">
608 void MagickWandGenesis(void)
609</pre>
610
611 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]612<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand_8c.html" id="MagickWandTerminus">MagickWandTerminus</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]613<div class="doc-section">
614
615<p>MagickWandTerminus() terminates the MagickWand environment.</p>
616
617<p>The format of the MaickWandTerminus method is:</p>
618
619<pre class="code">
620 void MagickWandTerminus(void)
621</pre>
622
623 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]624<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand_8c.html" id="NewMagickWand">NewMagickWand</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]625<div class="doc-section">
626
cristyf9a6c462011-04-24 14:01:11 +0000[diff] [blame]627<p>NewMagickWand() returns a wand required for all other methods in the API. A fatal exception is thrown if there is not enough memory to allocate the wand. Use DestroyMagickWand() to dispose of the wand when it is no longer needed.</p>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]628
629<p>The format of the NewMagickWand method is:</p>
630
631<pre class="code">
632 MagickWand *NewMagickWand(void)
633</pre>
634
635 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]636<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand_8c.html" id="NewMagickWandFromImage">NewMagickWandFromImage</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]637<div class="doc-section">
638
639<p>NewMagickWandFromImage() returns a wand with an image.</p>
640
641<p>The format of the NewMagickWandFromImage method is:</p>
642
643<pre class="code">
644 MagickWand *NewMagickWandFromImage(const Image *image)
645</pre>
646
647<p>A description of each parameter follows:</p>
648
649<h5>image</h5>
650<p>the image.</p>
651
652 </div>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]653
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655
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