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cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame^]193<h1>Module magick-wand
194 Methods</h1>
195<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]196
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame^]197<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand
198_8c.html" id="ClearMagickWand">ClearMagickWand</a></h2>
199<div class="doc-section">
200
201<p>ClearMagickWand() clears resources associated with the wand.</p>
202
203<p>The format of the ClearMagickWand method is:</p>
204
205<pre class="code">
206 void ClearMagickWand(MagickWand *wand)
207</pre>
208
209<p>A description of each parameter follows:</p>
210
211<h5>wand</h5>
212<p>the magick wand.</p>
213
214 </div>
215<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand
216_8c.html" id="CloneMagickWand">CloneMagickWand</a></h2>
217<div class="doc-section">
218
219<p>CloneMagickWand() makes an exact copy of the specified wand.</p>
220
221<p>The format of the CloneMagickWand method is:</p>
222
223<pre class="code">
224 MagickWand *CloneMagickWand(const MagickWand *wand)
225</pre>
226
227<p>A description of each parameter follows:</p>
228
229<h5>wand</h5>
230<p>the magick wand.</p>
231
232 </div>
233<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand
234_8c.html" id="DestroyMagickWand">DestroyMagickWand</a></h2>
235<div class="doc-section">
236
237<p>DestroyMagickWand() deallocates memory associated with an MagickWand.</p>
238
239<p>The format of the DestroyMagickWand method is:</p>
240
241<pre class="code">
242 MagickWand *DestroyMagickWand(MagickWand *wand)
243</pre>
244
245<p>A description of each parameter follows:</p>
246
247<h5>wand</h5>
248<p>the magick wand.</p>
249
250 </div>
251<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand
252_8c.html" id="IsMagickWand">IsMagickWand</a></h2>
253<div class="doc-section">
254
255<p>IsMagickWand() returns MagickTrue if the wand is verified as a magick wand.</p>
256
257<p>The format of the IsMagickWand method is:</p>
258
259<pre class="code">
260 MagickBooleanType IsMagickWand(const 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>
269<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand
270_8c.html" id="MagickClearException">MagickClearException</a></h2>
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>
287<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand
288_8c.html" id="MagickGetException">MagickGetException</a></h2>
289<div class="doc-section">
290
291<p>MagickGetException() returns the severity, reason, and description of any error that occurs when using other methods in this API.</p>
292
293<p>The format of the MagickGetException method is:</p>
294
295<pre class="code">
296 char *MagickGetException(const MagickWand *wand,ExceptionType *severity)
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<h5>severity</h5>
305<p>the severity of the error is returned here.</p>
306
307 </div>
308<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand
309_8c.html" id="MagickGetExceptionType">MagickGetExceptionType</a></h2>
310<div class="doc-section">
311
312<p>MagickGetExceptionType() returns the exception type associated with the wand. If no exception has occurred, UndefinedExceptionType is returned.</p>
313
314<p>The format of the MagickGetExceptionType method is:</p>
315
316<pre class="code">
317 ExceptionType MagickGetExceptionType(const MagickWand *wand)
318</pre>
319
320<p>A description of each parameter follows:</p>
321
322<h5>wand</h5>
323<p>the magick wand.</p>
324
325 </div>
326<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand
327_8c.html" id="MagickGetIteratorIndex">MagickGetIteratorIndex</a></h2>
328<div class="doc-section">
329
330<p>MagickGetIteratorIndex() returns the position of the iterator in the image list.</p>
331
332<p>The format of the MagickGetIteratorIndex method is:</p>
333
334<pre class="code">
335 ssize_t MagickGetIteratorIndex(MagickWand *wand)
336</pre>
337
338<p>A description of each parameter follows:</p>
339
340<h5>wand</h5>
341<p>the magick wand.</p>
342
343 </div>
344<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand
345_8c.html" id="MagickQueryConfigureOption">MagickQueryConfigureOption</a></h2>
346<div class="doc-section">
347
348<p>MagickQueryConfigureOption() returns the value associated with the specified configure option.</p>
349
350<p>The format of the MagickQueryConfigureOption function is:</p>
351
352<pre class="text">
353 char *MagickQueryConfigureOption(const char *option)
354</pre>
355
356<p>A description of each parameter follows:</p>
357
358<h5>option</h5>
359<p>the option name.</p>
360
361 </div>
362<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand
363_8c.html" id="MagickQueryConfigureOptions">MagickQueryConfigureOptions</a></h2>
364<div class="doc-section">
365
366<p>MagickQueryConfigureOptions() returns any configure options that match the specified pattern (e.g. "*" for all). Options include NAME, VERSION, LIB_VERSION, etc.</p>
367
368<p>The format of the MagickQueryConfigureOptions function is:</p>
369
370<pre class="text">
371 char **MagickQueryConfigureOptions(const char *pattern,
372 size_t *number_options)
373</pre>
374
375<p>A description of each parameter follows:</p>
376
377<h5>pattern</h5>
378<p>Specifies a pointer to a text string containing a pattern.</p>
379
380<h5>number_options</h5>
381<p>Returns the number of configure options in the list.</p>
382
383
384 </div>
385<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand
386_8c.html" id="MagickQueryFontMetrics">MagickQueryFontMetrics</a></h2>
387<div class="doc-section">
388
389<p>MagickQueryFontMetrics() returns a 13 element array representing the following font metrics:</p>
390
391<pre class="text">
392 Element Description
393 -------------------------------------------------
394 0 character width
395 1 character height
396 2 ascender
397 3 descender
398 4 text width
399 5 text height
400 6 maximum horizontal advance
401 7 bounding box: x1
402 8 bounding box: y1
403 9 bounding box: x2
404 10 bounding box: y2
405 11 origin: x
406 12 origin: y
407</pre>
408
409<p>The format of the MagickQueryFontMetrics method is:</p>
410
411<pre class="code">
412 double *MagickQueryFontMetrics(MagickWand *wand,
413 const DrawingWand *drawing_wand,const char *text)
414</pre>
415
416<p>A description of each parameter follows:</p>
417
418<h5>wand</h5>
419<p>the Magick wand.</p>
420
421<h5>drawing_wand</h5>
422<p>the drawing wand.</p>
423
424<h5>text</h5>
425<p>the text.</p>
426
427 </div>
428<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand
429_8c.html" id="MagickQueryMultilineFontMetrics">MagickQueryMultilineFontMetrics</a></h2>
430<div class="doc-section">
431
432<p>MagickQueryMultilineFontMetrics() returns a 13 element array representing the following font metrics:</p>
433
434<pre class="text">
435 Element Description
436 -------------------------------------------------
437 0 character width
438 1 character height
439 2 ascender
440 3 descender
441 4 text width
442 5 text height
443 6 maximum horizontal advance
444 7 bounding box: x1
445 8 bounding box: y1
446 9 bounding box: x2
447 10 bounding box: y2
448 11 origin: x
449 12 origin: y
450</pre>
451
452<p>This method is like MagickQueryFontMetrics() but it returns the maximum text width and height for multiple lines of text.</p>
453
454<p>The format of the MagickQueryFontMetrics method is:</p>
455
456<pre class="code">
457 double *MagickQueryMultilineFontMetrics(MagickWand *wand,
458 const DrawingWand *drawing_wand,const char *text)
459</pre>
460
461<p>A description of each parameter follows:</p>
462
463<h5>wand</h5>
464<p>the Magick wand.</p>
465
466<h5>drawing_wand</h5>
467<p>the drawing wand.</p>
468
469<h5>text</h5>
470<p>the text.</p>
471
472 </div>
473<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand
474_8c.html" id="MagickQueryFonts">MagickQueryFonts</a></h2>
475<div class="doc-section">
476
477<p>MagickQueryFonts() returns any font that match the specified pattern (e.g. "*" for all).</p>
478
479<p>The format of the MagickQueryFonts function is:</p>
480
481<pre class="text">
482 char **MagickQueryFonts(const char *pattern,size_t *number_fonts)
483</pre>
484
485<p>A description of each parameter follows:</p>
486
487<h5>pattern</h5>
488<p>Specifies a pointer to a text string containing a pattern.</p>
489
490<h5>number_fonts</h5>
491<p>Returns the number of fonts in the list.</p>
492
493
494 </div>
495<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand
496_8c.html" id="MagickQueryFonts">MagickQueryFonts</a></h2>
497<div class="doc-section">
498
499<p>MagickQueryFonts() returns any image formats that match the specified pattern (e.g. "*" for all).</p>
500
501<p>The format of the MagickQueryFonts function is:</p>
502
503<pre class="text">
504 char **MagickQueryFonts(const char *pattern,
505 size_t *number_formats)
506</pre>
507
508<p>A description of each parameter follows:</p>
509
510<h5>pattern</h5>
511<p>Specifies a pointer to a text string containing a pattern.</p>
512
513<h5>number_formats</h5>
514<p>This integer returns the number of image formats in the list.</p>
515
516 </div>
517<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand
518_8c.html" id="MagickRelinquishMemory">MagickRelinquishMemory</a></h2>
519<div class="doc-section">
520
521<p>MagickRelinquishMemory() relinquishes memory resources returned by such methods as MagickIdentifyImage(), MagickGetException(), etc.</p>
522
523<p>The format of the MagickRelinquishMemory method is:</p>
524
525<pre class="code">
526 void *MagickRelinquishMemory(void *resource)
527</pre>
528
529<p>A description of each parameter follows:</p>
530
531<h5>resource</h5>
532<p>Relinquish the memory associated with this resource.</p>
533
534 </div>
535<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand
536_8c.html" id="MagickResetIterator">MagickResetIterator</a></h2>
537<div class="doc-section">
538
539<p>MagickResetIterator() resets the wand iterator. Use it in conjunction with MagickNextImage() to iterate over all the images in a wand container.</p>
540
541<p>The format of the MagickResetIterator method is:</p>
542
543<pre class="code">
544 void MagickResetIterator(MagickWand *wand)
545</pre>
546
547<p>A description of each parameter follows:</p>
548
549<h5>wand</h5>
550<p>the magick wand.</p>
551
552 </div>
553<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand
554_8c.html" id="MagickSetFirstIterator">MagickSetFirstIterator</a></h2>
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>
571<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand
572_8c.html" id="MagickSetIteratorIndex">MagickSetIteratorIndex</a></h2>
573<div class="doc-section">
574
575<p>MagickSetIteratorIndex() set the iterator to the position in the image list specified with the index parameter.</p>
576
577<p>The format of the MagickSetIteratorIndex method is:</p>
578
579<pre class="code">
580 MagickBooleanType MagickSetIteratorIndex(MagickWand *wand,
581 const ssize_t index)
582</pre>
583
584<p>A description of each parameter follows:</p>
585
586<h5>wand</h5>
587<p>the magick wand.</p>
588
589<h5>index</h5>
590<p>the scene number.</p>
591
592 </div>
593<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand
594_8c.html" id="MagickSetLastIterator">MagickSetLastIterator</a></h2>
595<div class="doc-section">
596
597<p>MagickSetLastIterator() sets the wand iterator to the last image.</p>
598
599<p>The format of the MagickSetLastIterator method is:</p>
600
601<pre class="code">
602 void MagickSetLastIterator(MagickWand *wand)
603</pre>
604
605<p>A description of each parameter follows:</p>
606
607<h5>wand</h5>
608<p>the magick wand.</p>
609
610 </div>
611<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand
612_8c.html" id="MagickWandGenesis">MagickWandGenesis</a></h2>
613<div class="doc-section">
614
615<p>MagickWandGenesis() initializes the MagickWand environment.</p>
616
617<p>The format of the MagickWandGenesis method is:</p>
618
619<pre class="code">
620 void MagickWandGenesis(void)
621</pre>
622
623 </div>
624<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand
625_8c.html" id="MagickWandTerminus">MagickWandTerminus</a></h2>
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>
637<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand
638_8c.html" id="NewMagickWand">NewMagickWand</a></h2>
639<div class="doc-section">
640
641<p>NewMagickWand() returns a wand required for all other methods in the API.</p>
642
643<p>The format of the NewMagickWand method is:</p>
644
645<pre class="code">
646 MagickWand *NewMagickWand(void)
647</pre>
648
649 </div>
650<h2><a href="http://www.imagemagick.org/api/MagickWand/magick-wand
651_8c.html" id="NewMagickWandFromImage">NewMagickWandFromImage</a></h2>
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>
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