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216
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]217<h1>Module magick-wand Methods</h1>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]218<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]219
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]220<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]221<div class="doc-section">
222
223<p>ClearMagickWand() clears resources associated with the wand.</p>
224
225<p>The format of the ClearMagickWand method is:</p>
226
227<pre class="code">
228 void ClearMagickWand(MagickWand *wand)
229</pre>
230
231<p>A description of each parameter follows:</p>
232
233<h5>wand</h5>
234<p>the magick wand.</p>
235
236 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]237<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]238<div class="doc-section">
239
240<p>CloneMagickWand() makes an exact copy of the specified wand.</p>
241
242<p>The format of the CloneMagickWand method is:</p>
243
244<pre class="code">
245 MagickWand *CloneMagickWand(const MagickWand *wand)
246</pre>
247
248<p>A description of each parameter follows:</p>
249
250<h5>wand</h5>
251<p>the magick wand.</p>
252
253 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]254<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]255<div class="doc-section">
256
257<p>DestroyMagickWand() deallocates memory associated with an MagickWand.</p>
258
259<p>The format of the DestroyMagickWand method is:</p>
260
261<pre class="code">
262 MagickWand *DestroyMagickWand(MagickWand *wand)
263</pre>
264
265<p>A description of each parameter follows:</p>
266
267<h5>wand</h5>
268<p>the magick wand.</p>
269
270 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]271<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]272<div class="doc-section">
273
274<p>IsMagickWand() returns MagickTrue if the wand is verified as a magick wand.</p>
275
276<p>The format of the IsMagickWand method is:</p>
277
278<pre class="code">
279 MagickBooleanType IsMagickWand(const MagickWand *wand)
280</pre>
281
282<p>A description of each parameter follows:</p>
283
284<h5>wand</h5>
285<p>the magick wand.</p>
286
287 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]288<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]289<div class="doc-section">
290
291<p>MagickClearException() clears any exceptions associated with the wand.</p>
292
293<p>The format of the MagickClearException method is:</p>
294
295<pre class="code">
296 MagickBooleanType MagickClearException(MagickWand *wand)
297</pre>
298
299<p>A description of each parameter follows:</p>
300
301<h5>wand</h5>
302<p>the magick wand.</p>
303
304 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]305<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]306<div class="doc-section">
307
308<p>MagickGetException() returns the severity, reason, and description of any error that occurs when using other methods in this API.</p>
309
310<p>The format of the MagickGetException method is:</p>
311
312<pre class="code">
313 char *MagickGetException(const MagickWand *wand,ExceptionType *severity)
314</pre>
315
316<p>A description of each parameter follows:</p>
317
318<h5>wand</h5>
319<p>the magick wand.</p>
320
321<h5>severity</h5>
322<p>the severity of the error is returned here.</p>
323
324 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]325<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]326<div class="doc-section">
327
328<p>MagickGetExceptionType() returns the exception type associated with the wand. If no exception has occurred, UndefinedExceptionType is returned.</p>
329
330<p>The format of the MagickGetExceptionType method is:</p>
331
332<pre class="code">
333 ExceptionType MagickGetExceptionType(const MagickWand *wand)
334</pre>
335
336<p>A description of each parameter follows:</p>
337
338<h5>wand</h5>
339<p>the magick wand.</p>
340
341 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]342<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]343<div class="doc-section">
344
345<p>MagickGetIteratorIndex() returns the position of the iterator in the image list.</p>
346
347<p>The format of the MagickGetIteratorIndex method is:</p>
348
349<pre class="code">
350 ssize_t MagickGetIteratorIndex(MagickWand *wand)
351</pre>
352
353<p>A description of each parameter follows:</p>
354
355<h5>wand</h5>
356<p>the magick wand.</p>
357
358 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]359<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]360<div class="doc-section">
361
362<p>MagickQueryConfigureOption() returns the value associated with the specified configure option.</p>
363
364<p>The format of the MagickQueryConfigureOption function is:</p>
365
366<pre class="text">
367 char *MagickQueryConfigureOption(const char *option)
368</pre>
369
370<p>A description of each parameter follows:</p>
371
372<h5>option</h5>
373<p>the option name.</p>
374
375 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]376<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]377<div class="doc-section">
378
379<p>MagickQueryConfigureOptions() returns any configure options that match the specified pattern (e.g. "*" for all). Options include NAME, VERSION, LIB_VERSION, etc.</p>
380
381<p>The format of the MagickQueryConfigureOptions function is:</p>
382
383<pre class="text">
384 char **MagickQueryConfigureOptions(const char *pattern,
385 size_t *number_options)
386</pre>
387
388<p>A description of each parameter follows:</p>
389
390<h5>pattern</h5>
391<p>Specifies a pointer to a text string containing a pattern.</p>
392
393<h5>number_options</h5>
394<p>Returns the number of configure options in the list.</p>
395
396
397 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]398<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]399<div class="doc-section">
400
401<p>MagickQueryFontMetrics() returns a 13 element array representing the following font metrics:</p>
402
403<pre class="text">
404 Element Description
405 -------------------------------------------------
406 0 character width
407 1 character height
408 2 ascender
409 3 descender
410 4 text width
411 5 text height
412 6 maximum horizontal advance
413 7 bounding box: x1
414 8 bounding box: y1
415 9 bounding box: x2
416 10 bounding box: y2
417 11 origin: x
418 12 origin: y
419</pre>
420
421<p>The format of the MagickQueryFontMetrics method is:</p>
422
423<pre class="code">
424 double *MagickQueryFontMetrics(MagickWand *wand,
425 const DrawingWand *drawing_wand,const char *text)
426</pre>
427
428<p>A description of each parameter follows:</p>
429
430<h5>wand</h5>
431<p>the Magick wand.</p>
432
433<h5>drawing_wand</h5>
434<p>the drawing wand.</p>
435
436<h5>text</h5>
437<p>the text.</p>
438
439 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]440<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]441<div class="doc-section">
442
443<p>MagickQueryMultilineFontMetrics() returns a 13 element array representing the following font metrics:</p>
444
445<pre class="text">
446 Element Description
447 -------------------------------------------------
448 0 character width
449 1 character height
450 2 ascender
451 3 descender
452 4 text width
453 5 text height
454 6 maximum horizontal advance
455 7 bounding box: x1
456 8 bounding box: y1
457 9 bounding box: x2
458 10 bounding box: y2
459 11 origin: x
460 12 origin: y
461</pre>
462
463<p>This method is like MagickQueryFontMetrics() but it returns the maximum text width and height for multiple lines of text.</p>
464
465<p>The format of the MagickQueryFontMetrics method is:</p>
466
467<pre class="code">
468 double *MagickQueryMultilineFontMetrics(MagickWand *wand,
469 const DrawingWand *drawing_wand,const char *text)
470</pre>
471
472<p>A description of each parameter follows:</p>
473
474<h5>wand</h5>
475<p>the Magick wand.</p>
476
477<h5>drawing_wand</h5>
478<p>the drawing wand.</p>
479
480<h5>text</h5>
481<p>the text.</p>
482
483 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]484<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]485<div class="doc-section">
486
487<p>MagickQueryFonts() returns any font that match the specified pattern (e.g. "*" for all).</p>
488
489<p>The format of the MagickQueryFonts function is:</p>
490
491<pre class="text">
492 char **MagickQueryFonts(const char *pattern,size_t *number_fonts)
493</pre>
494
495<p>A description of each parameter follows:</p>
496
497<h5>pattern</h5>
498<p>Specifies a pointer to a text string containing a pattern.</p>
499
500<h5>number_fonts</h5>
501<p>Returns the number of fonts in the list.</p>
502
503
504 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]505<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]506<div class="doc-section">
507
508<p>MagickQueryFonts() returns any image formats that match the specified pattern (e.g. "*" for all).</p>
509
510<p>The format of the MagickQueryFonts function is:</p>
511
512<pre class="text">
513 char **MagickQueryFonts(const char *pattern,
514 size_t *number_formats)
515</pre>
516
517<p>A description of each parameter follows:</p>
518
519<h5>pattern</h5>
520<p>Specifies a pointer to a text string containing a pattern.</p>
521
522<h5>number_formats</h5>
523<p>This integer returns the number of image formats in the list.</p>
524
525 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]526<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]527<div class="doc-section">
528
529<p>MagickRelinquishMemory() relinquishes memory resources returned by such methods as MagickIdentifyImage(), MagickGetException(), etc.</p>
530
531<p>The format of the MagickRelinquishMemory method is:</p>
532
533<pre class="code">
534 void *MagickRelinquishMemory(void *resource)
535</pre>
536
537<p>A description of each parameter follows:</p>
538
539<h5>resource</h5>
540<p>Relinquish the memory associated with this resource.</p>
541
542 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]543<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]544<div class="doc-section">
545
546<p>MagickResetIterator() resets the wand iterator. Use it in conjunction with MagickNextImage() to iterate over all the images in a wand container.</p>
547
548<p>The format of the MagickResetIterator method is:</p>
549
550<pre class="code">
551 void MagickResetIterator(MagickWand *wand)
552</pre>
553
554<p>A description of each parameter follows:</p>
555
556<h5>wand</h5>
557<p>the magick wand.</p>
558
559 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]560<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]561<div class="doc-section">
562
563<p>MagickSetFirstIterator() sets the wand iterator to the first image.</p>
564
565<p>The format of the MagickSetFirstIterator method is:</p>
566
567<pre class="code">
568 void MagickSetFirstIterator(MagickWand *wand)
569</pre>
570
571<p>A description of each parameter follows:</p>
572
573<h5>wand</h5>
574<p>the magick wand.</p>
575
576 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]577<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]578<div class="doc-section">
579
580<p>MagickSetIteratorIndex() set the iterator to the position in the image list specified with the index parameter.</p>
581
582<p>The format of the MagickSetIteratorIndex method is:</p>
583
584<pre class="code">
585 MagickBooleanType MagickSetIteratorIndex(MagickWand *wand,
586 const ssize_t index)
587</pre>
588
589<p>A description of each parameter follows:</p>
590
591<h5>wand</h5>
592<p>the magick wand.</p>
593
594<h5>index</h5>
595<p>the scene number.</p>
596
597 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]598<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]599<div class="doc-section">
600
601<p>MagickSetLastIterator() sets the wand iterator to the last image.</p>
602
603<p>The format of the MagickSetLastIterator method is:</p>
604
605<pre class="code">
606 void MagickSetLastIterator(MagickWand *wand)
607</pre>
608
609<p>A description of each parameter follows:</p>
610
611<h5>wand</h5>
612<p>the magick wand.</p>
613
614 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]615<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]616<div class="doc-section">
617
618<p>MagickWandGenesis() initializes the MagickWand environment.</p>
619
620<p>The format of the MagickWandGenesis method is:</p>
621
622<pre class="code">
623 void MagickWandGenesis(void)
624</pre>
625
626 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]627<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]628<div class="doc-section">
629
630<p>MagickWandTerminus() terminates the MagickWand environment.</p>
631
632<p>The format of the MaickWandTerminus method is:</p>
633
634<pre class="code">
635 void MagickWandTerminus(void)
636</pre>
637
638 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]639<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]640<div class="doc-section">
641
cristyf9a6c462011-04-24 14:01:11 +0000[diff] [blame]642<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]643
644<p>The format of the NewMagickWand method is:</p>
645
646<pre class="code">
647 MagickWand *NewMagickWand(void)
648</pre>
649
650 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]651<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]652<div class="doc-section">
653
654<p>NewMagickWandFromImage() returns a wand with an image.</p>
655
656<p>The format of the NewMagickWandFromImage method is:</p>
657
658<pre class="code">
659 MagickWand *NewMagickWandFromImage(const Image *image)
660</pre>
661
662<p>A description of each parameter follows:</p>
663
664<h5>image</h5>
665<p>the image.</p>
666
667 </div>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]668
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670
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