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217
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]218<h1>Module magick-wand Methods</h1>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]219<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]220
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]221<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]222<div class="doc-section">
223
224<p>ClearMagickWand() clears resources associated with the wand.</p>
225
226<p>The format of the ClearMagickWand method is:</p>
227
228<pre class="code">
229 void ClearMagickWand(MagickWand *wand)
230</pre>
231
232<p>A description of each parameter follows:</p>
233
234<h5>wand</h5>
235<p>the magick wand.</p>
236
237 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]238<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]239<div class="doc-section">
240
241<p>CloneMagickWand() makes an exact copy of the specified wand.</p>
242
243<p>The format of the CloneMagickWand method is:</p>
244
245<pre class="code">
246 MagickWand *CloneMagickWand(const MagickWand *wand)
247</pre>
248
249<p>A description of each parameter follows:</p>
250
251<h5>wand</h5>
252<p>the magick wand.</p>
253
254 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]255<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]256<div class="doc-section">
257
258<p>DestroyMagickWand() deallocates memory associated with an MagickWand.</p>
259
260<p>The format of the DestroyMagickWand method is:</p>
261
262<pre class="code">
263 MagickWand *DestroyMagickWand(MagickWand *wand)
264</pre>
265
266<p>A description of each parameter follows:</p>
267
268<h5>wand</h5>
269<p>the magick wand.</p>
270
271 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]272<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]273<div class="doc-section">
274
275<p>IsMagickWand() returns MagickTrue if the wand is verified as a magick wand.</p>
276
277<p>The format of the IsMagickWand method is:</p>
278
279<pre class="code">
280 MagickBooleanType IsMagickWand(const MagickWand *wand)
281</pre>
282
283<p>A description of each parameter follows:</p>
284
285<h5>wand</h5>
286<p>the magick wand.</p>
287
288 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]289<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]290<div class="doc-section">
291
292<p>MagickClearException() clears any exceptions associated with the wand.</p>
293
294<p>The format of the MagickClearException method is:</p>
295
296<pre class="code">
297 MagickBooleanType MagickClearException(MagickWand *wand)
298</pre>
299
300<p>A description of each parameter follows:</p>
301
302<h5>wand</h5>
303<p>the magick wand.</p>
304
305 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]306<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]307<div class="doc-section">
308
309<p>MagickGetException() returns the severity, reason, and description of any error that occurs when using other methods in this API.</p>
310
311<p>The format of the MagickGetException method is:</p>
312
313<pre class="code">
314 char *MagickGetException(const MagickWand *wand,ExceptionType *severity)
315</pre>
316
317<p>A description of each parameter follows:</p>
318
319<h5>wand</h5>
320<p>the magick wand.</p>
321
322<h5>severity</h5>
323<p>the severity of the error is returned here.</p>
324
325 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]326<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]327<div class="doc-section">
328
329<p>MagickGetExceptionType() returns the exception type associated with the wand. If no exception has occurred, UndefinedExceptionType is returned.</p>
330
331<p>The format of the MagickGetExceptionType method is:</p>
332
333<pre class="code">
334 ExceptionType MagickGetExceptionType(const MagickWand *wand)
335</pre>
336
337<p>A description of each parameter follows:</p>
338
339<h5>wand</h5>
340<p>the magick wand.</p>
341
342 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]343<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]344<div class="doc-section">
345
346<p>MagickGetIteratorIndex() returns the position of the iterator in the image list.</p>
347
348<p>The format of the MagickGetIteratorIndex method is:</p>
349
350<pre class="code">
351 ssize_t MagickGetIteratorIndex(MagickWand *wand)
352</pre>
353
354<p>A description of each parameter follows:</p>
355
356<h5>wand</h5>
357<p>the magick wand.</p>
358
359 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]360<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]361<div class="doc-section">
362
363<p>MagickQueryConfigureOption() returns the value associated with the specified configure option.</p>
364
365<p>The format of the MagickQueryConfigureOption function is:</p>
366
367<pre class="text">
368 char *MagickQueryConfigureOption(const char *option)
369</pre>
370
371<p>A description of each parameter follows:</p>
372
373<h5>option</h5>
374<p>the option name.</p>
375
376 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]377<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]378<div class="doc-section">
379
380<p>MagickQueryConfigureOptions() returns any configure options that match the specified pattern (e.g. "*" for all). Options include NAME, VERSION, LIB_VERSION, etc.</p>
381
382<p>The format of the MagickQueryConfigureOptions function is:</p>
383
384<pre class="text">
385 char **MagickQueryConfigureOptions(const char *pattern,
386 size_t *number_options)
387</pre>
388
389<p>A description of each parameter follows:</p>
390
391<h5>pattern</h5>
392<p>Specifies a pointer to a text string containing a pattern.</p>
393
394<h5>number_options</h5>
395<p>Returns the number of configure options in the list.</p>
396
397
398 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]399<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]400<div class="doc-section">
401
402<p>MagickQueryFontMetrics() returns a 13 element array representing the following font metrics:</p>
403
404<pre class="text">
405 Element Description
406 -------------------------------------------------
407 0 character width
408 1 character height
409 2 ascender
410 3 descender
411 4 text width
412 5 text height
413 6 maximum horizontal advance
414 7 bounding box: x1
415 8 bounding box: y1
416 9 bounding box: x2
417 10 bounding box: y2
418 11 origin: x
419 12 origin: y
420</pre>
421
422<p>The format of the MagickQueryFontMetrics method is:</p>
423
424<pre class="code">
425 double *MagickQueryFontMetrics(MagickWand *wand,
426 const DrawingWand *drawing_wand,const char *text)
427</pre>
428
429<p>A description of each parameter follows:</p>
430
431<h5>wand</h5>
432<p>the Magick wand.</p>
433
434<h5>drawing_wand</h5>
435<p>the drawing wand.</p>
436
437<h5>text</h5>
438<p>the text.</p>
439
440 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]441<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]442<div class="doc-section">
443
444<p>MagickQueryMultilineFontMetrics() returns a 13 element array representing the following font metrics:</p>
445
446<pre class="text">
447 Element Description
448 -------------------------------------------------
449 0 character width
450 1 character height
451 2 ascender
452 3 descender
453 4 text width
454 5 text height
455 6 maximum horizontal advance
456 7 bounding box: x1
457 8 bounding box: y1
458 9 bounding box: x2
459 10 bounding box: y2
460 11 origin: x
461 12 origin: y
462</pre>
463
464<p>This method is like MagickQueryFontMetrics() but it returns the maximum text width and height for multiple lines of text.</p>
465
466<p>The format of the MagickQueryFontMetrics method is:</p>
467
468<pre class="code">
469 double *MagickQueryMultilineFontMetrics(MagickWand *wand,
470 const DrawingWand *drawing_wand,const char *text)
471</pre>
472
473<p>A description of each parameter follows:</p>
474
475<h5>wand</h5>
476<p>the Magick wand.</p>
477
478<h5>drawing_wand</h5>
479<p>the drawing wand.</p>
480
481<h5>text</h5>
482<p>the text.</p>
483
484 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]485<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]486<div class="doc-section">
487
488<p>MagickQueryFonts() returns any font that match the specified pattern (e.g. "*" for all).</p>
489
490<p>The format of the MagickQueryFonts function is:</p>
491
492<pre class="text">
493 char **MagickQueryFonts(const char *pattern,size_t *number_fonts)
494</pre>
495
496<p>A description of each parameter follows:</p>
497
498<h5>pattern</h5>
499<p>Specifies a pointer to a text string containing a pattern.</p>
500
501<h5>number_fonts</h5>
502<p>Returns the number of fonts in the list.</p>
503
504
505 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]506<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]507<div class="doc-section">
508
509<p>MagickQueryFonts() returns any image formats that match the specified pattern (e.g. "*" for all).</p>
510
511<p>The format of the MagickQueryFonts function is:</p>
512
513<pre class="text">
514 char **MagickQueryFonts(const char *pattern,
515 size_t *number_formats)
516</pre>
517
518<p>A description of each parameter follows:</p>
519
520<h5>pattern</h5>
521<p>Specifies a pointer to a text string containing a pattern.</p>
522
523<h5>number_formats</h5>
524<p>This integer returns the number of image formats in the list.</p>
525
526 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]527<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]528<div class="doc-section">
529
530<p>MagickRelinquishMemory() relinquishes memory resources returned by such methods as MagickIdentifyImage(), MagickGetException(), etc.</p>
531
532<p>The format of the MagickRelinquishMemory method is:</p>
533
534<pre class="code">
535 void *MagickRelinquishMemory(void *resource)
536</pre>
537
538<p>A description of each parameter follows:</p>
539
540<h5>resource</h5>
541<p>Relinquish the memory associated with this resource.</p>
542
543 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]544<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]545<div class="doc-section">
546
547<p>MagickResetIterator() resets the wand iterator. Use it in conjunction with MagickNextImage() to iterate over all the images in a wand container.</p>
548
549<p>The format of the MagickResetIterator method is:</p>
550
551<pre class="code">
552 void MagickResetIterator(MagickWand *wand)
553</pre>
554
555<p>A description of each parameter follows:</p>
556
557<h5>wand</h5>
558<p>the magick wand.</p>
559
560 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]561<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]562<div class="doc-section">
563
564<p>MagickSetFirstIterator() sets the wand iterator to the first image.</p>
565
566<p>The format of the MagickSetFirstIterator method is:</p>
567
568<pre class="code">
569 void MagickSetFirstIterator(MagickWand *wand)
570</pre>
571
572<p>A description of each parameter follows:</p>
573
574<h5>wand</h5>
575<p>the magick wand.</p>
576
577 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]578<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]579<div class="doc-section">
580
581<p>MagickSetIteratorIndex() set the iterator to the position in the image list specified with the index parameter.</p>
582
583<p>The format of the MagickSetIteratorIndex method is:</p>
584
585<pre class="code">
586 MagickBooleanType MagickSetIteratorIndex(MagickWand *wand,
587 const ssize_t index)
588</pre>
589
590<p>A description of each parameter follows:</p>
591
592<h5>wand</h5>
593<p>the magick wand.</p>
594
595<h5>index</h5>
596<p>the scene number.</p>
597
598 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]599<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]600<div class="doc-section">
601
602<p>MagickSetLastIterator() sets the wand iterator to the last image.</p>
603
604<p>The format of the MagickSetLastIterator method is:</p>
605
606<pre class="code">
607 void MagickSetLastIterator(MagickWand *wand)
608</pre>
609
610<p>A description of each parameter follows:</p>
611
612<h5>wand</h5>
613<p>the magick wand.</p>
614
615 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]616<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]617<div class="doc-section">
618
619<p>MagickWandGenesis() initializes the MagickWand environment.</p>
620
621<p>The format of the MagickWandGenesis method is:</p>
622
623<pre class="code">
624 void MagickWandGenesis(void)
625</pre>
626
627 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]628<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]629<div class="doc-section">
630
631<p>MagickWandTerminus() terminates the MagickWand environment.</p>
632
633<p>The format of the MaickWandTerminus method is:</p>
634
635<pre class="code">
636 void MagickWandTerminus(void)
637</pre>
638
639 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]640<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]641<div class="doc-section">
642
cristyf9a6c462011-04-24 14:01:11 +0000[diff] [blame]643<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]644
645<p>The format of the NewMagickWand method is:</p>
646
647<pre class="code">
648 MagickWand *NewMagickWand(void)
649</pre>
650
651 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]652<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]653<div class="doc-section">
654
655<p>NewMagickWandFromImage() returns a wand with an image.</p>
656
657<p>The format of the NewMagickWandFromImage method is:</p>
658
659<pre class="code">
660 MagickWand *NewMagickWandFromImage(const Image *image)
661</pre>
662
663<p>A description of each parameter follows:</p>
664
665<h5>image</h5>
666<p>the image.</p>
667
668 </div>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]669
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671
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