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209<div class="main">
210
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]211<h1>Module magick-wand Methods</h1>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]212<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]213
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]214<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]215<div class="doc-section">
216
217<p>ClearMagickWand() clears resources associated with the wand.</p>
218
219<p>The format of the ClearMagickWand method is:</p>
220
221<pre class="code">
222 void ClearMagickWand(MagickWand *wand)
223</pre>
224
225<p>A description of each parameter follows:</p>
226
227<h5>wand</h5>
228<p>the magick wand.</p>
229
230 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]231<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]232<div class="doc-section">
233
234<p>CloneMagickWand() makes an exact copy of the specified wand.</p>
235
236<p>The format of the CloneMagickWand method is:</p>
237
238<pre class="code">
239 MagickWand *CloneMagickWand(const MagickWand *wand)
240</pre>
241
242<p>A description of each parameter follows:</p>
243
244<h5>wand</h5>
245<p>the magick wand.</p>
246
247 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]248<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]249<div class="doc-section">
250
251<p>DestroyMagickWand() deallocates memory associated with an MagickWand.</p>
252
253<p>The format of the DestroyMagickWand method is:</p>
254
255<pre class="code">
256 MagickWand *DestroyMagickWand(MagickWand *wand)
257</pre>
258
259<p>A description of each parameter follows:</p>
260
261<h5>wand</h5>
262<p>the magick wand.</p>
263
264 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]265<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]266<div class="doc-section">
267
268<p>IsMagickWand() returns MagickTrue if the wand is verified as a magick wand.</p>
269
270<p>The format of the IsMagickWand method is:</p>
271
272<pre class="code">
273 MagickBooleanType IsMagickWand(const MagickWand *wand)
274</pre>
275
276<p>A description of each parameter follows:</p>
277
278<h5>wand</h5>
279<p>the magick wand.</p>
280
281 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]282<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]283<div class="doc-section">
284
285<p>MagickClearException() clears any exceptions associated with the wand.</p>
286
287<p>The format of the MagickClearException method is:</p>
288
289<pre class="code">
290 MagickBooleanType MagickClearException(MagickWand *wand)
291</pre>
292
293<p>A description of each parameter follows:</p>
294
295<h5>wand</h5>
296<p>the magick wand.</p>
297
298 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]299<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]300<div class="doc-section">
301
302<p>MagickGetException() returns the severity, reason, and description of any error that occurs when using other methods in this API.</p>
303
304<p>The format of the MagickGetException method is:</p>
305
306<pre class="code">
307 char *MagickGetException(const MagickWand *wand,ExceptionType *severity)
308</pre>
309
310<p>A description of each parameter follows:</p>
311
312<h5>wand</h5>
313<p>the magick wand.</p>
314
315<h5>severity</h5>
316<p>the severity of the error is returned here.</p>
317
318 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]319<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]320<div class="doc-section">
321
322<p>MagickGetExceptionType() returns the exception type associated with the wand. If no exception has occurred, UndefinedExceptionType is returned.</p>
323
324<p>The format of the MagickGetExceptionType method is:</p>
325
326<pre class="code">
327 ExceptionType MagickGetExceptionType(const MagickWand *wand)
328</pre>
329
330<p>A description of each parameter follows:</p>
331
332<h5>wand</h5>
333<p>the magick wand.</p>
334
335 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]336<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]337<div class="doc-section">
338
339<p>MagickGetIteratorIndex() returns the position of the iterator in the image list.</p>
340
341<p>The format of the MagickGetIteratorIndex method is:</p>
342
343<pre class="code">
344 ssize_t MagickGetIteratorIndex(MagickWand *wand)
345</pre>
346
347<p>A description of each parameter follows:</p>
348
349<h5>wand</h5>
350<p>the magick wand.</p>
351
352 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]353<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]354<div class="doc-section">
355
356<p>MagickQueryConfigureOption() returns the value associated with the specified configure option.</p>
357
358<p>The format of the MagickQueryConfigureOption function is:</p>
359
360<pre class="text">
361 char *MagickQueryConfigureOption(const char *option)
362</pre>
363
364<p>A description of each parameter follows:</p>
365
366<h5>option</h5>
367<p>the option name.</p>
368
369 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]370<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]371<div class="doc-section">
372
373<p>MagickQueryConfigureOptions() returns any configure options that match the specified pattern (e.g. "*" for all). Options include NAME, VERSION, LIB_VERSION, etc.</p>
374
375<p>The format of the MagickQueryConfigureOptions function is:</p>
376
377<pre class="text">
378 char **MagickQueryConfigureOptions(const char *pattern,
379 size_t *number_options)
380</pre>
381
382<p>A description of each parameter follows:</p>
383
384<h5>pattern</h5>
385<p>Specifies a pointer to a text string containing a pattern.</p>
386
387<h5>number_options</h5>
388<p>Returns the number of configure options in the list.</p>
389
390
391 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]392<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]393<div class="doc-section">
394
395<p>MagickQueryFontMetrics() returns a 13 element array representing the following font metrics:</p>
396
397<pre class="text">
398 Element Description
399 -------------------------------------------------
400 0 character width
401 1 character height
402 2 ascender
403 3 descender
404 4 text width
405 5 text height
406 6 maximum horizontal advance
407 7 bounding box: x1
408 8 bounding box: y1
409 9 bounding box: x2
410 10 bounding box: y2
411 11 origin: x
412 12 origin: y
413</pre>
414
415<p>The format of the MagickQueryFontMetrics method is:</p>
416
417<pre class="code">
418 double *MagickQueryFontMetrics(MagickWand *wand,
419 const DrawingWand *drawing_wand,const char *text)
420</pre>
421
422<p>A description of each parameter follows:</p>
423
424<h5>wand</h5>
425<p>the Magick wand.</p>
426
427<h5>drawing_wand</h5>
428<p>the drawing wand.</p>
429
430<h5>text</h5>
431<p>the text.</p>
432
433 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]434<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]435<div class="doc-section">
436
437<p>MagickQueryMultilineFontMetrics() returns a 13 element array representing the following font metrics:</p>
438
439<pre class="text">
440 Element Description
441 -------------------------------------------------
442 0 character width
443 1 character height
444 2 ascender
445 3 descender
446 4 text width
447 5 text height
448 6 maximum horizontal advance
449 7 bounding box: x1
450 8 bounding box: y1
451 9 bounding box: x2
452 10 bounding box: y2
453 11 origin: x
454 12 origin: y
455</pre>
456
457<p>This method is like MagickQueryFontMetrics() but it returns the maximum text width and height for multiple lines of text.</p>
458
459<p>The format of the MagickQueryFontMetrics method is:</p>
460
461<pre class="code">
462 double *MagickQueryMultilineFontMetrics(MagickWand *wand,
463 const DrawingWand *drawing_wand,const char *text)
464</pre>
465
466<p>A description of each parameter follows:</p>
467
468<h5>wand</h5>
469<p>the Magick wand.</p>
470
471<h5>drawing_wand</h5>
472<p>the drawing wand.</p>
473
474<h5>text</h5>
475<p>the text.</p>
476
477 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]478<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]479<div class="doc-section">
480
481<p>MagickQueryFonts() returns any font that match the specified pattern (e.g. "*" for all).</p>
482
483<p>The format of the MagickQueryFonts function is:</p>
484
485<pre class="text">
486 char **MagickQueryFonts(const char *pattern,size_t *number_fonts)
487</pre>
488
489<p>A description of each parameter follows:</p>
490
491<h5>pattern</h5>
492<p>Specifies a pointer to a text string containing a pattern.</p>
493
494<h5>number_fonts</h5>
495<p>Returns the number of fonts in the list.</p>
496
497
498 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]499<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]500<div class="doc-section">
501
502<p>MagickQueryFonts() returns any image formats that match the specified pattern (e.g. "*" for all).</p>
503
504<p>The format of the MagickQueryFonts function is:</p>
505
506<pre class="text">
507 char **MagickQueryFonts(const char *pattern,
508 size_t *number_formats)
509</pre>
510
511<p>A description of each parameter follows:</p>
512
513<h5>pattern</h5>
514<p>Specifies a pointer to a text string containing a pattern.</p>
515
516<h5>number_formats</h5>
517<p>This integer returns the number of image formats in the list.</p>
518
519 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]520<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]521<div class="doc-section">
522
523<p>MagickRelinquishMemory() relinquishes memory resources returned by such methods as MagickIdentifyImage(), MagickGetException(), etc.</p>
524
525<p>The format of the MagickRelinquishMemory method is:</p>
526
527<pre class="code">
528 void *MagickRelinquishMemory(void *resource)
529</pre>
530
531<p>A description of each parameter follows:</p>
532
533<h5>resource</h5>
534<p>Relinquish the memory associated with this resource.</p>
535
536 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]537<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]538<div class="doc-section">
539
540<p>MagickResetIterator() resets the wand iterator. Use it in conjunction with MagickNextImage() to iterate over all the images in a wand container.</p>
541
542<p>The format of the MagickResetIterator method is:</p>
543
544<pre class="code">
545 void MagickResetIterator(MagickWand *wand)
546</pre>
547
548<p>A description of each parameter follows:</p>
549
550<h5>wand</h5>
551<p>the magick wand.</p>
552
553 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]554<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]555<div class="doc-section">
556
557<p>MagickSetFirstIterator() sets the wand iterator to the first image.</p>
558
559<p>The format of the MagickSetFirstIterator method is:</p>
560
561<pre class="code">
562 void MagickSetFirstIterator(MagickWand *wand)
563</pre>
564
565<p>A description of each parameter follows:</p>
566
567<h5>wand</h5>
568<p>the magick wand.</p>
569
570 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]571<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]572<div class="doc-section">
573
574<p>MagickSetIteratorIndex() set the iterator to the position in the image list specified with the index parameter.</p>
575
576<p>The format of the MagickSetIteratorIndex method is:</p>
577
578<pre class="code">
579 MagickBooleanType MagickSetIteratorIndex(MagickWand *wand,
580 const ssize_t index)
581</pre>
582
583<p>A description of each parameter follows:</p>
584
585<h5>wand</h5>
586<p>the magick wand.</p>
587
588<h5>index</h5>
589<p>the scene number.</p>
590
591 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]592<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]593<div class="doc-section">
594
595<p>MagickSetLastIterator() sets the wand iterator to the last image.</p>
596
597<p>The format of the MagickSetLastIterator method is:</p>
598
599<pre class="code">
600 void MagickSetLastIterator(MagickWand *wand)
601</pre>
602
603<p>A description of each parameter follows:</p>
604
605<h5>wand</h5>
606<p>the magick wand.</p>
607
608 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]609<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]610<div class="doc-section">
611
612<p>MagickWandGenesis() initializes the MagickWand environment.</p>
613
614<p>The format of the MagickWandGenesis method is:</p>
615
616<pre class="code">
617 void MagickWandGenesis(void)
618</pre>
619
620 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]621<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]622<div class="doc-section">
623
624<p>MagickWandTerminus() terminates the MagickWand environment.</p>
625
626<p>The format of the MaickWandTerminus method is:</p>
627
628<pre class="code">
629 void MagickWandTerminus(void)
630</pre>
631
632 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]633<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]634<div class="doc-section">
635
cristyf9a6c462011-04-24 14:01:11 +0000[diff] [blame]636<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]637
638<p>The format of the NewMagickWand method is:</p>
639
640<pre class="code">
641 MagickWand *NewMagickWand(void)
642</pre>
643
644 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]645<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]646<div class="doc-section">
647
648<p>NewMagickWandFromImage() returns a wand with an image.</p>
649
650<p>The format of the NewMagickWandFromImage method is:</p>
651
652<pre class="code">
653 MagickWand *NewMagickWandFromImage(const Image *image)
654</pre>
655
656<p>A description of each parameter follows:</p>
657
658<h5>image</h5>
659<p>the image.</p>
660
661 </div>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]662
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664
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