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cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]215<h1>Module magick-wand Methods</h1>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]216<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]217
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]218<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]219<div class="doc-section">
220
221<p>ClearMagickWand() clears resources associated with the wand.</p>
222
223<p>The format of the ClearMagickWand method is:</p>
224
225<pre class="code">
226 void ClearMagickWand(MagickWand *wand)
227</pre>
228
229<p>A description of each parameter follows:</p>
230
231<h5>wand</h5>
232<p>the magick wand.</p>
233
234 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]235<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]236<div class="doc-section">
237
238<p>CloneMagickWand() makes an exact copy of the specified wand.</p>
239
240<p>The format of the CloneMagickWand method is:</p>
241
242<pre class="code">
243 MagickWand *CloneMagickWand(const MagickWand *wand)
244</pre>
245
246<p>A description of each parameter follows:</p>
247
248<h5>wand</h5>
249<p>the magick wand.</p>
250
251 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]252<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]253<div class="doc-section">
254
255<p>DestroyMagickWand() deallocates memory associated with an MagickWand.</p>
256
257<p>The format of the DestroyMagickWand method is:</p>
258
259<pre class="code">
260 MagickWand *DestroyMagickWand(MagickWand *wand)
261</pre>
262
263<p>A description of each parameter follows:</p>
264
265<h5>wand</h5>
266<p>the magick wand.</p>
267
268 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]269<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]270<div class="doc-section">
271
272<p>IsMagickWand() returns MagickTrue if the wand is verified as a magick wand.</p>
273
274<p>The format of the IsMagickWand method is:</p>
275
276<pre class="code">
277 MagickBooleanType IsMagickWand(const MagickWand *wand)
278</pre>
279
280<p>A description of each parameter follows:</p>
281
282<h5>wand</h5>
283<p>the magick wand.</p>
284
285 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]286<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]287<div class="doc-section">
288
289<p>MagickClearException() clears any exceptions associated with the wand.</p>
290
291<p>The format of the MagickClearException method is:</p>
292
293<pre class="code">
294 MagickBooleanType MagickClearException(MagickWand *wand)
295</pre>
296
297<p>A description of each parameter follows:</p>
298
299<h5>wand</h5>
300<p>the magick wand.</p>
301
302 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]303<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]304<div class="doc-section">
305
306<p>MagickGetException() returns the severity, reason, and description of any error that occurs when using other methods in this API.</p>
307
308<p>The format of the MagickGetException method is:</p>
309
310<pre class="code">
311 char *MagickGetException(const MagickWand *wand,ExceptionType *severity)
312</pre>
313
314<p>A description of each parameter follows:</p>
315
316<h5>wand</h5>
317<p>the magick wand.</p>
318
319<h5>severity</h5>
320<p>the severity of the error is returned here.</p>
321
322 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]323<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]324<div class="doc-section">
325
326<p>MagickGetExceptionType() returns the exception type associated with the wand. If no exception has occurred, UndefinedExceptionType is returned.</p>
327
328<p>The format of the MagickGetExceptionType method is:</p>
329
330<pre class="code">
331 ExceptionType MagickGetExceptionType(const MagickWand *wand)
332</pre>
333
334<p>A description of each parameter follows:</p>
335
336<h5>wand</h5>
337<p>the magick wand.</p>
338
339 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]340<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]341<div class="doc-section">
342
343<p>MagickGetIteratorIndex() returns the position of the iterator in the image list.</p>
344
345<p>The format of the MagickGetIteratorIndex method is:</p>
346
347<pre class="code">
348 ssize_t MagickGetIteratorIndex(MagickWand *wand)
349</pre>
350
351<p>A description of each parameter follows:</p>
352
353<h5>wand</h5>
354<p>the magick wand.</p>
355
356 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]357<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]358<div class="doc-section">
359
360<p>MagickQueryConfigureOption() returns the value associated with the specified configure option.</p>
361
362<p>The format of the MagickQueryConfigureOption function is:</p>
363
364<pre class="text">
365 char *MagickQueryConfigureOption(const char *option)
366</pre>
367
368<p>A description of each parameter follows:</p>
369
370<h5>option</h5>
371<p>the option name.</p>
372
373 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]374<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]375<div class="doc-section">
376
377<p>MagickQueryConfigureOptions() returns any configure options that match the specified pattern (e.g. "*" for all). Options include NAME, VERSION, LIB_VERSION, etc.</p>
378
379<p>The format of the MagickQueryConfigureOptions function is:</p>
380
381<pre class="text">
382 char **MagickQueryConfigureOptions(const char *pattern,
383 size_t *number_options)
384</pre>
385
386<p>A description of each parameter follows:</p>
387
388<h5>pattern</h5>
389<p>Specifies a pointer to a text string containing a pattern.</p>
390
391<h5>number_options</h5>
392<p>Returns the number of configure options in the list.</p>
393
394
395 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]396<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]397<div class="doc-section">
398
399<p>MagickQueryFontMetrics() returns a 13 element array representing the following font metrics:</p>
400
401<pre class="text">
402 Element Description
403 -------------------------------------------------
404 0 character width
405 1 character height
406 2 ascender
407 3 descender
408 4 text width
409 5 text height
410 6 maximum horizontal advance
411 7 bounding box: x1
412 8 bounding box: y1
413 9 bounding box: x2
414 10 bounding box: y2
415 11 origin: x
416 12 origin: y
417</pre>
418
419<p>The format of the MagickQueryFontMetrics method is:</p>
420
421<pre class="code">
422 double *MagickQueryFontMetrics(MagickWand *wand,
423 const DrawingWand *drawing_wand,const char *text)
424</pre>
425
426<p>A description of each parameter follows:</p>
427
428<h5>wand</h5>
429<p>the Magick wand.</p>
430
431<h5>drawing_wand</h5>
432<p>the drawing wand.</p>
433
434<h5>text</h5>
435<p>the text.</p>
436
437 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]438<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]439<div class="doc-section">
440
441<p>MagickQueryMultilineFontMetrics() returns a 13 element array representing the following font metrics:</p>
442
443<pre class="text">
444 Element Description
445 -------------------------------------------------
446 0 character width
447 1 character height
448 2 ascender
449 3 descender
450 4 text width
451 5 text height
452 6 maximum horizontal advance
453 7 bounding box: x1
454 8 bounding box: y1
455 9 bounding box: x2
456 10 bounding box: y2
457 11 origin: x
458 12 origin: y
459</pre>
460
461<p>This method is like MagickQueryFontMetrics() but it returns the maximum text width and height for multiple lines of text.</p>
462
463<p>The format of the MagickQueryFontMetrics method is:</p>
464
465<pre class="code">
466 double *MagickQueryMultilineFontMetrics(MagickWand *wand,
467 const DrawingWand *drawing_wand,const char *text)
468</pre>
469
470<p>A description of each parameter follows:</p>
471
472<h5>wand</h5>
473<p>the Magick wand.</p>
474
475<h5>drawing_wand</h5>
476<p>the drawing wand.</p>
477
478<h5>text</h5>
479<p>the text.</p>
480
481 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]482<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]483<div class="doc-section">
484
485<p>MagickQueryFonts() returns any font that match the specified pattern (e.g. "*" for all).</p>
486
487<p>The format of the MagickQueryFonts function is:</p>
488
489<pre class="text">
490 char **MagickQueryFonts(const char *pattern,size_t *number_fonts)
491</pre>
492
493<p>A description of each parameter follows:</p>
494
495<h5>pattern</h5>
496<p>Specifies a pointer to a text string containing a pattern.</p>
497
498<h5>number_fonts</h5>
499<p>Returns the number of fonts in the list.</p>
500
501
502 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]503<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]504<div class="doc-section">
505
506<p>MagickQueryFonts() returns any image formats that match the specified pattern (e.g. "*" for all).</p>
507
508<p>The format of the MagickQueryFonts function is:</p>
509
510<pre class="text">
511 char **MagickQueryFonts(const char *pattern,
512 size_t *number_formats)
513</pre>
514
515<p>A description of each parameter follows:</p>
516
517<h5>pattern</h5>
518<p>Specifies a pointer to a text string containing a pattern.</p>
519
520<h5>number_formats</h5>
521<p>This integer returns the number of image formats in the list.</p>
522
523 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]524<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]525<div class="doc-section">
526
527<p>MagickRelinquishMemory() relinquishes memory resources returned by such methods as MagickIdentifyImage(), MagickGetException(), etc.</p>
528
529<p>The format of the MagickRelinquishMemory method is:</p>
530
531<pre class="code">
532 void *MagickRelinquishMemory(void *resource)
533</pre>
534
535<p>A description of each parameter follows:</p>
536
537<h5>resource</h5>
538<p>Relinquish the memory associated with this resource.</p>
539
540 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]541<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]542<div class="doc-section">
543
544<p>MagickResetIterator() resets the wand iterator. Use it in conjunction with MagickNextImage() to iterate over all the images in a wand container.</p>
545
546<p>The format of the MagickResetIterator method is:</p>
547
548<pre class="code">
549 void MagickResetIterator(MagickWand *wand)
550</pre>
551
552<p>A description of each parameter follows:</p>
553
554<h5>wand</h5>
555<p>the magick wand.</p>
556
557 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]558<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]559<div class="doc-section">
560
561<p>MagickSetFirstIterator() sets the wand iterator to the first image.</p>
562
563<p>The format of the MagickSetFirstIterator method is:</p>
564
565<pre class="code">
566 void MagickSetFirstIterator(MagickWand *wand)
567</pre>
568
569<p>A description of each parameter follows:</p>
570
571<h5>wand</h5>
572<p>the magick wand.</p>
573
574 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]575<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]576<div class="doc-section">
577
578<p>MagickSetIteratorIndex() set the iterator to the position in the image list specified with the index parameter.</p>
579
580<p>The format of the MagickSetIteratorIndex method is:</p>
581
582<pre class="code">
583 MagickBooleanType MagickSetIteratorIndex(MagickWand *wand,
584 const ssize_t index)
585</pre>
586
587<p>A description of each parameter follows:</p>
588
589<h5>wand</h5>
590<p>the magick wand.</p>
591
592<h5>index</h5>
593<p>the scene number.</p>
594
595 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]596<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]597<div class="doc-section">
598
599<p>MagickSetLastIterator() sets the wand iterator to the last image.</p>
600
601<p>The format of the MagickSetLastIterator method is:</p>
602
603<pre class="code">
604 void MagickSetLastIterator(MagickWand *wand)
605</pre>
606
607<p>A description of each parameter follows:</p>
608
609<h5>wand</h5>
610<p>the magick wand.</p>
611
612 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]613<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]614<div class="doc-section">
615
616<p>MagickWandGenesis() initializes the MagickWand environment.</p>
617
618<p>The format of the MagickWandGenesis method is:</p>
619
620<pre class="code">
621 void MagickWandGenesis(void)
622</pre>
623
624 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]625<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]626<div class="doc-section">
627
628<p>MagickWandTerminus() terminates the MagickWand environment.</p>
629
630<p>The format of the MaickWandTerminus method is:</p>
631
632<pre class="code">
633 void MagickWandTerminus(void)
634</pre>
635
636 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]637<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]638<div class="doc-section">
639
cristyf9a6c462011-04-24 14:01:11 +0000[diff] [blame]640<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]641
642<p>The format of the NewMagickWand method is:</p>
643
644<pre class="code">
645 MagickWand *NewMagickWand(void)
646</pre>
647
648 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]649<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]650<div class="doc-section">
651
652<p>NewMagickWandFromImage() returns a wand with an image.</p>
653
654<p>The format of the NewMagickWandFromImage method is:</p>
655
656<pre class="code">
657 MagickWand *NewMagickWandFromImage(const Image *image)
658</pre>
659
660<p>A description of each parameter follows:</p>
661
662<h5>image</h5>
663<p>the image.</p>
664
665 </div>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]666
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668
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