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197<div class="main">
198
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]199<h1>Module magick-wand Methods</h1>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]200<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]201
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]202<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]203<div class="doc-section">
204
205<p>ClearMagickWand() clears resources associated with the wand.</p>
206
207<p>The format of the ClearMagickWand method is:</p>
208
209<pre class="code">
210 void ClearMagickWand(MagickWand *wand)
211</pre>
212
213<p>A description of each parameter follows:</p>
214
215<h5>wand</h5>
216<p>the magick wand.</p>
217
218 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]219<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]220<div class="doc-section">
221
222<p>CloneMagickWand() makes an exact copy of the specified wand.</p>
223
224<p>The format of the CloneMagickWand method is:</p>
225
226<pre class="code">
227 MagickWand *CloneMagickWand(const MagickWand *wand)
228</pre>
229
230<p>A description of each parameter follows:</p>
231
232<h5>wand</h5>
233<p>the magick wand.</p>
234
235 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]236<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]237<div class="doc-section">
238
239<p>DestroyMagickWand() deallocates memory associated with an MagickWand.</p>
240
241<p>The format of the DestroyMagickWand method is:</p>
242
243<pre class="code">
244 MagickWand *DestroyMagickWand(MagickWand *wand)
245</pre>
246
247<p>A description of each parameter follows:</p>
248
249<h5>wand</h5>
250<p>the magick wand.</p>
251
252 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]253<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]254<div class="doc-section">
255
256<p>IsMagickWand() returns MagickTrue if the wand is verified as a magick wand.</p>
257
258<p>The format of the IsMagickWand method is:</p>
259
260<pre class="code">
261 MagickBooleanType IsMagickWand(const MagickWand *wand)
262</pre>
263
264<p>A description of each parameter follows:</p>
265
266<h5>wand</h5>
267<p>the magick wand.</p>
268
269 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]270<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]271<div class="doc-section">
272
273<p>MagickClearException() clears any exceptions associated with the wand.</p>
274
275<p>The format of the MagickClearException method is:</p>
276
277<pre class="code">
278 MagickBooleanType MagickClearException(MagickWand *wand)
279</pre>
280
281<p>A description of each parameter follows:</p>
282
283<h5>wand</h5>
284<p>the magick wand.</p>
285
286 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]287<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]288<div class="doc-section">
289
290<p>MagickGetException() returns the severity, reason, and description of any error that occurs when using other methods in this API.</p>
291
292<p>The format of the MagickGetException method is:</p>
293
294<pre class="code">
295 char *MagickGetException(const MagickWand *wand,ExceptionType *severity)
296</pre>
297
298<p>A description of each parameter follows:</p>
299
300<h5>wand</h5>
301<p>the magick wand.</p>
302
303<h5>severity</h5>
304<p>the severity of the error is returned here.</p>
305
306 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]307<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]308<div class="doc-section">
309
310<p>MagickGetExceptionType() returns the exception type associated with the wand. If no exception has occurred, UndefinedExceptionType is returned.</p>
311
312<p>The format of the MagickGetExceptionType method is:</p>
313
314<pre class="code">
315 ExceptionType MagickGetExceptionType(const MagickWand *wand)
316</pre>
317
318<p>A description of each parameter follows:</p>
319
320<h5>wand</h5>
321<p>the magick wand.</p>
322
323 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]324<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]325<div class="doc-section">
326
327<p>MagickGetIteratorIndex() returns the position of the iterator in the image list.</p>
328
329<p>The format of the MagickGetIteratorIndex method is:</p>
330
331<pre class="code">
332 ssize_t MagickGetIteratorIndex(MagickWand *wand)
333</pre>
334
335<p>A description of each parameter follows:</p>
336
337<h5>wand</h5>
338<p>the magick wand.</p>
339
340 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]341<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]342<div class="doc-section">
343
344<p>MagickQueryConfigureOption() returns the value associated with the specified configure option.</p>
345
346<p>The format of the MagickQueryConfigureOption function is:</p>
347
348<pre class="text">
349 char *MagickQueryConfigureOption(const char *option)
350</pre>
351
352<p>A description of each parameter follows:</p>
353
354<h5>option</h5>
355<p>the option name.</p>
356
357 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]358<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]359<div class="doc-section">
360
361<p>MagickQueryConfigureOptions() returns any configure options that match the specified pattern (e.g. "*" for all). Options include NAME, VERSION, LIB_VERSION, etc.</p>
362
363<p>The format of the MagickQueryConfigureOptions function is:</p>
364
365<pre class="text">
366 char **MagickQueryConfigureOptions(const char *pattern,
367 size_t *number_options)
368</pre>
369
370<p>A description of each parameter follows:</p>
371
372<h5>pattern</h5>
373<p>Specifies a pointer to a text string containing a pattern.</p>
374
375<h5>number_options</h5>
376<p>Returns the number of configure options in the list.</p>
377
378
379 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]380<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]381<div class="doc-section">
382
383<p>MagickQueryFontMetrics() returns a 13 element array representing the following font metrics:</p>
384
385<pre class="text">
386 Element Description
387 -------------------------------------------------
388 0 character width
389 1 character height
390 2 ascender
391 3 descender
392 4 text width
393 5 text height
394 6 maximum horizontal advance
395 7 bounding box: x1
396 8 bounding box: y1
397 9 bounding box: x2
398 10 bounding box: y2
399 11 origin: x
400 12 origin: y
401</pre>
402
403<p>The format of the MagickQueryFontMetrics method is:</p>
404
405<pre class="code">
406 double *MagickQueryFontMetrics(MagickWand *wand,
407 const DrawingWand *drawing_wand,const char *text)
408</pre>
409
410<p>A description of each parameter follows:</p>
411
412<h5>wand</h5>
413<p>the Magick wand.</p>
414
415<h5>drawing_wand</h5>
416<p>the drawing wand.</p>
417
418<h5>text</h5>
419<p>the text.</p>
420
421 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]422<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]423<div class="doc-section">
424
425<p>MagickQueryMultilineFontMetrics() returns a 13 element array representing the following font metrics:</p>
426
427<pre class="text">
428 Element Description
429 -------------------------------------------------
430 0 character width
431 1 character height
432 2 ascender
433 3 descender
434 4 text width
435 5 text height
436 6 maximum horizontal advance
437 7 bounding box: x1
438 8 bounding box: y1
439 9 bounding box: x2
440 10 bounding box: y2
441 11 origin: x
442 12 origin: y
443</pre>
444
445<p>This method is like MagickQueryFontMetrics() but it returns the maximum text width and height for multiple lines of text.</p>
446
447<p>The format of the MagickQueryFontMetrics method is:</p>
448
449<pre class="code">
450 double *MagickQueryMultilineFontMetrics(MagickWand *wand,
451 const DrawingWand *drawing_wand,const char *text)
452</pre>
453
454<p>A description of each parameter follows:</p>
455
456<h5>wand</h5>
457<p>the Magick wand.</p>
458
459<h5>drawing_wand</h5>
460<p>the drawing wand.</p>
461
462<h5>text</h5>
463<p>the text.</p>
464
465 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]466<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]467<div class="doc-section">
468
469<p>MagickQueryFonts() returns any font that match the specified pattern (e.g. "*" for all).</p>
470
471<p>The format of the MagickQueryFonts function is:</p>
472
473<pre class="text">
474 char **MagickQueryFonts(const char *pattern,size_t *number_fonts)
475</pre>
476
477<p>A description of each parameter follows:</p>
478
479<h5>pattern</h5>
480<p>Specifies a pointer to a text string containing a pattern.</p>
481
482<h5>number_fonts</h5>
483<p>Returns the number of fonts in the list.</p>
484
485
486 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]487<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]488<div class="doc-section">
489
490<p>MagickQueryFonts() returns any image formats that match the specified pattern (e.g. "*" for all).</p>
491
492<p>The format of the MagickQueryFonts function is:</p>
493
494<pre class="text">
495 char **MagickQueryFonts(const char *pattern,
496 size_t *number_formats)
497</pre>
498
499<p>A description of each parameter follows:</p>
500
501<h5>pattern</h5>
502<p>Specifies a pointer to a text string containing a pattern.</p>
503
504<h5>number_formats</h5>
505<p>This integer returns the number of image formats in the list.</p>
506
507 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]508<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]509<div class="doc-section">
510
511<p>MagickRelinquishMemory() relinquishes memory resources returned by such methods as MagickIdentifyImage(), MagickGetException(), etc.</p>
512
513<p>The format of the MagickRelinquishMemory method is:</p>
514
515<pre class="code">
516 void *MagickRelinquishMemory(void *resource)
517</pre>
518
519<p>A description of each parameter follows:</p>
520
521<h5>resource</h5>
522<p>Relinquish the memory associated with this resource.</p>
523
524 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]525<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]526<div class="doc-section">
527
528<p>MagickResetIterator() resets the wand iterator. Use it in conjunction with MagickNextImage() to iterate over all the images in a wand container.</p>
529
530<p>The format of the MagickResetIterator method is:</p>
531
532<pre class="code">
533 void MagickResetIterator(MagickWand *wand)
534</pre>
535
536<p>A description of each parameter follows:</p>
537
538<h5>wand</h5>
539<p>the magick wand.</p>
540
541 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]542<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]543<div class="doc-section">
544
545<p>MagickSetFirstIterator() sets the wand iterator to the first image.</p>
546
547<p>The format of the MagickSetFirstIterator method is:</p>
548
549<pre class="code">
550 void MagickSetFirstIterator(MagickWand *wand)
551</pre>
552
553<p>A description of each parameter follows:</p>
554
555<h5>wand</h5>
556<p>the magick wand.</p>
557
558 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]559<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]560<div class="doc-section">
561
562<p>MagickSetIteratorIndex() set the iterator to the position in the image list specified with the index parameter.</p>
563
564<p>The format of the MagickSetIteratorIndex method is:</p>
565
566<pre class="code">
567 MagickBooleanType MagickSetIteratorIndex(MagickWand *wand,
568 const ssize_t index)
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<h5>index</h5>
577<p>the scene number.</p>
578
579 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]580<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]581<div class="doc-section">
582
583<p>MagickSetLastIterator() sets the wand iterator to the last image.</p>
584
585<p>The format of the MagickSetLastIterator method is:</p>
586
587<pre class="code">
588 void MagickSetLastIterator(MagickWand *wand)
589</pre>
590
591<p>A description of each parameter follows:</p>
592
593<h5>wand</h5>
594<p>the magick wand.</p>
595
596 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]597<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]598<div class="doc-section">
599
600<p>MagickWandGenesis() initializes the MagickWand environment.</p>
601
602<p>The format of the MagickWandGenesis method is:</p>
603
604<pre class="code">
605 void MagickWandGenesis(void)
606</pre>
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="MagickWandTerminus">MagickWandTerminus</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]610<div class="doc-section">
611
612<p>MagickWandTerminus() terminates the MagickWand environment.</p>
613
614<p>The format of the MaickWandTerminus method is:</p>
615
616<pre class="code">
617 void MagickWandTerminus(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="NewMagickWand">NewMagickWand</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]622<div class="doc-section">
623
cristyf9a6c462011-04-24 14:01:11 +0000[diff] [blame]624<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]625
626<p>The format of the NewMagickWand method is:</p>
627
628<pre class="code">
629 MagickWand *NewMagickWand(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="NewMagickWandFromImage">NewMagickWandFromImage</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]634<div class="doc-section">
635
636<p>NewMagickWandFromImage() returns a wand with an image.</p>
637
638<p>The format of the NewMagickWandFromImage method is:</p>
639
640<pre class="code">
641 MagickWand *NewMagickWandFromImage(const Image *image)
642</pre>
643
644<p>A description of each parameter follows:</p>
645
646<h5>image</h5>
647<p>the image.</p>
648
649 </div>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]650
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652
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