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68 </nav> 69 <div class="container"> 70 <script async="async" src="https://localhost/pagead/js/adsbygoogle.js"></script> <ins class="adsbygoogle" 71 style="display:block" 72 data-ad-client="ca-pub-3129977114552745" 73 data-ad-slot="6345125851" 74 data-ad-format="auto"></ins> 75 <script> 76 (adsbygoogle = window.adsbygoogle || []).push({}); 77 </script> 78 79 </div> 80 </header> 81 <main class="container"> 82 <div class="magick-template"> 83<div class="magick-header"> 84<p class="text-center"><a href="magick-wand.html#ClearMagickWand">ClearMagickWand</a> • <a href="magick-wand.html#CloneMagickWand">CloneMagickWand</a> • <a href="magick-wand.html#DestroyMagickWand">DestroyMagickWand</a> • <a href="magick-wand.html#IsMagickWand">IsMagickWand</a> • <a href="magick-wand.html#MagickClearException">MagickClearException</a> • <a href="magick-wand.html#MagickGetException">MagickGetException</a> • <a href="magick-wand.html#MagickGetExceptionType">MagickGetExceptionType</a> • <a href="magick-wand.html#MagickGetIteratorIndex">MagickGetIteratorIndex</a> • <a href="magick-wand.html#MagickQueryConfigureOption">MagickQueryConfigureOption</a> • <a href="magick-wand.html#MagickQueryConfigureOptions">MagickQueryConfigureOptions</a> • <a href="magick-wand.html#MagickQueryFontMetrics">MagickQueryFontMetrics</a> • <a href="magick-wand.html#MagickQueryMultilineFontMetrics">MagickQueryMultilineFontMetrics</a> • <a href="magick-wand.html#MagickQueryFonts">MagickQueryFonts</a> • <a href="magick-wand.html#MagickQueryFormats">MagickQueryFormats</a> • <a href="magick-wand.html#MagickRelinquishMemory">MagickRelinquishMemory</a> • <a href="magick-wand.html#MagickResetIterator">MagickResetIterator</a> • <a href="magick-wand.html#MagickSetFirstIterator">MagickSetFirstIterator</a> • <a href="magick-wand.html#MagickSetIteratorIndex">MagickSetIteratorIndex</a> • <a href="magick-wand.html#MagickSetLastIterator">MagickSetLastIterator</a> • <a href="magick-wand.html#MagickWandGenesis">MagickWandGenesis</a> • <a href="magick-wand.html#MagickWandTerminus">MagickWandTerminus</a> • <a href="magick-wand.html#NewMagickWand">NewMagickWand</a> • <a href="magick-wand.html#NewMagickWandFromImage">NewMagickWandFromImage</a> • <a href="magick-wand.html#IsMagickWandInstantiated">IsMagickWandInstantiated</a></p> 85 86<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="ClearMagickWand">ClearMagickWand</a></h2> 87 88<p>ClearMagickWand() clears resources associated with the wand, leaving the wand blank, and ready to be used for a new set of images.</p> 89 90<p>The format of the ClearMagickWand method is:</p> 91 92<pre class="text"> 93void ClearMagickWand(MagickWand *wand) 94</pre> 95 96<p>A description of each parameter follows:</p> 97 98<dd> 99</dd> 100 101<dd> </dd> 102<dl class="dl-horizontal"> 103<dt>wand</dt> 104<dd>the magick wand. </dd> 105 106<dd> </dd> 107</dl> 108<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="CloneMagickWand">CloneMagickWand</a></h2> 109 110<p>CloneMagickWand() makes an exact copy of the specified wand.</p> 111 112<p>The format of the CloneMagickWand method is:</p> 113 114<pre class="text"> 115MagickWand *CloneMagickWand(const MagickWand *wand) 116</pre> 117 118<p>A description of each parameter follows:</p> 119 120<dd> 121</dd> 122 123<dd> </dd> 124<dl class="dl-horizontal"> 125<dt>wand</dt> 126<dd>the magick wand. </dd> 127 128<dd> </dd> 129</dl> 130<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="DestroyMagickWand">DestroyMagickWand</a></h2> 131 132<p>DestroyMagickWand() deallocates memory associated with an MagickWand.</p> 133 134<p>The format of the DestroyMagickWand method is:</p> 135 136<pre class="text"> 137MagickWand *DestroyMagickWand(MagickWand *wand) 138</pre> 139 140<p>A description of each parameter follows:</p> 141 142<dd> 143</dd> 144 145<dd> </dd> 146<dl class="dl-horizontal"> 147<dt>wand</dt> 148<dd>the magick wand. </dd> 149 150<dd> </dd> 151</dl> 152<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="IsMagickWand">IsMagickWand</a></h2> 153 154<p>IsMagickWand() returns MagickTrue if the wand is verified as a magick wand.</p> 155 156<p>The format of the IsMagickWand method is:</p> 157 158<pre class="text"> 159MagickBooleanType IsMagickWand(const MagickWand *wand) 160</pre> 161 162<p>A description of each parameter follows:</p> 163 164<dd> 165</dd> 166 167<dd> </dd> 168<dl class="dl-horizontal"> 169<dt>wand</dt> 170<dd>the magick wand. </dd> 171 172<dd> </dd> 173</dl> 174<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="MagickClearException">MagickClearException</a></h2> 175 176<p>MagickClearException() clears any exceptions associated with the wand.</p> 177 178<p>The format of the MagickClearException method is:</p> 179 180<pre class="text"> 181MagickBooleanType MagickClearException(MagickWand *wand) 182</pre> 183 184<p>A description of each parameter follows:</p> 185 186<dd> 187</dd> 188 189<dd> </dd> 190<dl class="dl-horizontal"> 191<dt>wand</dt> 192<dd>the magick wand. </dd> 193 194<dd> </dd> 195</dl> 196<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="MagickGetException">MagickGetException</a></h2> 197 198<p>MagickGetException() returns the severity, reason, and description of any error that occurs when using other methods in this API.</p> 199 200<p>The format of the MagickGetException method is:</p> 201 202<pre class="text"> 203char *MagickGetException(const MagickWand *wand,ExceptionType *severity) 204</pre> 205 206<p>A description of each parameter follows:</p> 207 208<dd> 209</dd> 210 211<dd> </dd> 212<dl class="dl-horizontal"> 213<dt>wand</dt> 214<dd>the magick wand. </dd> 215 216<dd> </dd> 217<dt>severity</dt> 218<dd>the severity of the error is returned here. </dd> 219 220<dd> </dd> 221</dl> 222<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="MagickGetExceptionType">MagickGetExceptionType</a></h2> 223 224<p>MagickGetExceptionType() returns the exception type associated with the wand. If no exception has occurred, UndefinedExceptionType is returned.</p> 225 226<p>The format of the MagickGetExceptionType method is:</p> 227 228<pre class="text"> 229ExceptionType MagickGetExceptionType(const MagickWand *wand) 230</pre> 231 232<p>A description of each parameter follows:</p> 233 234<dd> 235</dd> 236 237<dd> </dd> 238<dl class="dl-horizontal"> 239<dt>wand</dt> 240<dd>the magick wand. </dd> 241 242<dd> </dd> 243</dl> 244<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="MagickGetIteratorIndex">MagickGetIteratorIndex</a></h2> 245 246<p>MagickGetIteratorIndex() returns the position of the iterator in the image list.</p> 247 248<p>The format of the MagickGetIteratorIndex method is:</p> 249 250<pre class="text"> 251ssize_t MagickGetIteratorIndex(MagickWand *wand) 252</pre> 253 254<p>A description of each parameter follows:</p> 255 256<dd> 257</dd> 258 259<dd> </dd> 260<dl class="dl-horizontal"> 261<dt>wand</dt> 262<dd>the magick wand. </dd> 263 264<dd> </dd> 265</dl> 266<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="MagickQueryConfigureOption">MagickQueryConfigureOption</a></h2> 267 268<p>MagickQueryConfigureOption() returns the value associated with the specified configure option.</p> 269 270<p>The format of the MagickQueryConfigureOption function is:</p> 271 272<pre class="text"> 273char *MagickQueryConfigureOption(const char *option) 274</pre> 275 276<p>A description of each parameter follows:</p> 277 278<dd> 279</dd> 280 281<dd> </dd> 282<dl class="dl-horizontal"> 283<dt>option</dt> 284<dd>the option name. </dd> 285 286<dd> </dd> 287</dl> 288<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="MagickQueryConfigureOptions">MagickQueryConfigureOptions</a></h2> 289 290<p>MagickQueryConfigureOptions() returns any configure options that match the specified pattern (e.g. "*" for all). Options include NAME, VERSION, LIB_VERSION, etc.</p> 291 292<p>The format of the MagickQueryConfigureOptions function is:</p> 293 294<pre class="text"> 295char **MagickQueryConfigureOptions(const char *pattern, 296 size_t *number_options) 297</pre> 298 299<p>A description of each parameter follows:</p> 300 301<dd> 302</dd> 303 304<dd> </dd> 305<dl class="dl-horizontal"> 306<dt>pattern</dt> 307<dd>Specifies a pointer to a text string containing a pattern. </dd> 308 309<dd> </dd> 310<dt>number_options</dt> 311<dd> Returns the number of configure options in the list. </dd> 312 313<dd> </dd> 314 315<dd> </dd> 316</dl> 317<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="MagickQueryFontMetrics">MagickQueryFontMetrics</a></h2> 318 319<p>MagickQueryFontMetrics() returns a 13 element array representing the following font metrics:</p> 320 321<pre class="text"> 322 Element Description 323 ------------------------------------------------- 324 0 character width 325 1 character height 326 2 ascender 327 3 descender 328 4 text width 329 5 text height 330 6 maximum horizontal advance 331 7 bounding box: x1 332 8 bounding box: y1 333 9 bounding box: x2 334 10 bounding box: y2 335 11 origin: x 336 12 origin: y 337</pre> 338 339<p>The format of the MagickQueryFontMetrics method is:</p> 340 341<pre class="text"> 342double *MagickQueryFontMetrics(MagickWand *wand, 343 const DrawingWand *drawing_wand,const char *text) 344</pre> 345 346<p>A description of each parameter follows:</p> 347 348<dd> 349</dd> 350 351<dd> </dd> 352<dl class="dl-horizontal"> 353<dt>wand</dt> 354<dd>the Magick wand. </dd> 355 356<dd> </dd> 357<dt>drawing_wand</dt> 358<dd>the drawing wand. </dd> 359 360<dd> </dd> 361<dt>text</dt> 362<dd>the text. </dd> 363 364<dd> </dd> 365</dl> 366<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="MagickQueryMultilineFontMetrics">MagickQueryMultilineFontMetrics</a></h2> 367 368<p>MagickQueryMultilineFontMetrics() returns a 13 element array representing the following font metrics:</p> 369 370<pre class="text"> 371 Element Description 372 ------------------------------------------------- 373 0 character width 374 1 character height 375 2 ascender 376 3 descender 377 4 text width 378 5 text height 379 6 maximum horizontal advance 380 7 bounding box: x1 381 8 bounding box: y1 382 9 bounding box: x2 383 10 bounding box: y2 384 11 origin: x 385 12 origin: y 386</pre> 387 388<p>This method is like MagickQueryFontMetrics() but it returns the maximum text width and height for multiple lines of text.</p> 389 390<p>The format of the MagickQueryFontMetrics method is:</p> 391 392<pre class="text"> 393double *MagickQueryMultilineFontMetrics(MagickWand *wand, 394 const DrawingWand *drawing_wand,const char *text) 395</pre> 396 397<p>A description of each parameter follows:</p> 398 399<dd> 400</dd> 401 402<dd> </dd> 403<dl class="dl-horizontal"> 404<dt>wand</dt> 405<dd>the Magick wand. </dd> 406 407<dd> </dd> 408<dt>drawing_wand</dt> 409<dd>the drawing wand. </dd> 410 411<dd> </dd> 412<dt>text</dt> 413<dd>the text. </dd> 414 415<dd> </dd> 416</dl> 417<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="MagickQueryFonts">MagickQueryFonts</a></h2> 418 419<p>MagickQueryFonts() returns any font that match the specified pattern (e.g. "*" for all).</p> 420 421<p>The format of the MagickQueryFonts function is:</p> 422 423<pre class="text"> 424char **MagickQueryFonts(const char *pattern,size_t *number_fonts) 425</pre> 426 427<p>A description of each parameter follows:</p> 428 429<dd> 430</dd> 431 432<dd> </dd> 433<dl class="dl-horizontal"> 434<dt>pattern</dt> 435<dd>Specifies a pointer to a text string containing a pattern. </dd> 436 437<dd> </dd> 438<dt>number_fonts</dt> 439<dd> Returns the number of fonts in the list. </dd> 440 441<dd> </dd> 442 443<dd> </dd> 444</dl> 445<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="MagickQueryFormats">MagickQueryFormats</a></h2> 446 447<p>MagickQueryFormats() returns any image formats that match the specified pattern (e.g. "*" for all).</p> 448 449<p>The format of the MagickQueryFormats function is:</p> 450 451<pre class="text"> 452char **MagickQueryFormats(const char *pattern,size_t *number_formats) 453</pre> 454 455<p>A description of each parameter follows:</p> 456 457<dd> 458</dd> 459 460<dd> </dd> 461<dl class="dl-horizontal"> 462<dt>pattern</dt> 463<dd>Specifies a pointer to a text string containing a pattern. </dd> 464 465<dd> </dd> 466<dt>number_formats</dt> 467<dd> This integer returns the number of image formats in the list. </dd> 468 469<dd> </dd> 470</dl> 471<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="MagickRelinquishMemory">MagickRelinquishMemory</a></h2> 472 473<p>MagickRelinquishMemory() relinquishes memory resources returned by such methods as MagickIdentifyImage(), MagickGetException(), etc.</p> 474 475<p>The format of the MagickRelinquishMemory method is:</p> 476 477<pre class="text"> 478void *MagickRelinquishMemory(void *resource) 479</pre> 480 481<p>A description of each parameter follows:</p> 482 483<dd> 484</dd> 485 486<dd> </dd> 487<dl class="dl-horizontal"> 488<dt>resource</dt> 489<dd>Relinquish the memory associated with this resource. </dd> 490 491<dd> </dd> 492</dl> 493<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="MagickResetIterator">MagickResetIterator</a></h2> 494 495<p>MagickResetIterator() resets the wand iterator.</p> 496 497<p>It is typically used either before iterating though images, or before calling specific functions such as MagickAppendImages() to append all images together.</p> 498 499<p>Afterward you can use MagickNextImage() to iterate over all the images in a wand container, starting with the first image.</p> 500 501<p>Using this before MagickAddImages() or MagickReadImages() will cause new images to be inserted between the first and second image.</p> 502 503<p>The format of the MagickResetIterator method is:</p> 504 505<pre class="text"> 506void MagickResetIterator(MagickWand *wand) 507</pre> 508 509<p>A description of each parameter follows:</p> 510 511<dd> 512</dd> 513 514<dd> </dd> 515<dl class="dl-horizontal"> 516<dt>wand</dt> 517<dd>the magick wand. </dd> 518 519<dd> </dd> 520</dl> 521<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="MagickSetFirstIterator">MagickSetFirstIterator</a></h2> 522 523<p>MagickSetFirstIterator() sets the wand iterator to the first image.</p> 524 525<p>After using any images added to the wand using MagickAddImage() or MagickReadImage() will be prepended before any image in the wand.</p> 526 527<p>Also the current image has been set to the first image (if any) in the Magick Wand. Using MagickNextImage() will then set teh current image to the second image in the list (if present).</p> 528 529<p>This operation is similar to MagickResetIterator() but differs in how MagickAddImage(), MagickReadImage(), and MagickNextImage() behaves afterward.</p> 530 531<p>The format of the MagickSetFirstIterator method is:</p> 532 533<pre class="text"> 534void MagickSetFirstIterator(MagickWand *wand) 535</pre> 536 537<p>A description of each parameter follows:</p> 538 539<dd> 540</dd> 541 542<dd> </dd> 543<dl class="dl-horizontal"> 544<dt>wand</dt> 545<dd>the magick wand. </dd> 546 547<dd> </dd> 548</dl> 549<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="MagickSetIteratorIndex">MagickSetIteratorIndex</a></h2> 550 551<p>MagickSetIteratorIndex() set the iterator to the given position in the image list specified with the index parameter. A zero index will set the first image as current, and so on. Negative indexes can be used to specify an image relative to the end of the images in the wand, with -1 being the last image in the wand.</p> 552 553<p>If the index is invalid (range too large for number of images in wand) the function will return MagickFalse, but no 'exception' will be raised, as it is not actually an error. In that case the current image will not change.</p> 554 555<p>After using any images added to the wand using MagickAddImage() or MagickReadImage() will be added after the image indexed, regardless of if a zero (first image in list) or negative index (from end) is used.</p> 556 557<p>Jumping to index 0 is similar to MagickResetIterator() but differs in how MagickNextImage() behaves afterward.</p> 558 559<p>The format of the MagickSetIteratorIndex method is:</p> 560 561<pre class="text"> 562MagickBooleanType MagickSetIteratorIndex(MagickWand *wand, 563 const ssize_t index) 564</pre> 565 566<p>A description of each parameter follows:</p> 567 568<dd> 569</dd> 570 571<dd> </dd> 572<dl class="dl-horizontal"> 573<dt>wand</dt> 574<dd>the magick wand. </dd> 575 576<dd> </dd> 577<dt>index</dt> 578<dd>the scene number. </dd> 579 580<dd> </dd> 581</dl> 582<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="MagickSetLastIterator">MagickSetLastIterator</a></h2> 583 584<p>MagickSetLastIterator() sets the wand iterator to the last image.</p> 585 586<p>The last image is actually the current image, and the next use of MagickPreviousImage() will not change this allowing this function to be used to iterate over the images in the reverse direction. In this sense it is more like MagickResetIterator() than MagickSetFirstIterator().</p> 587 588<p>Typically this function is used before MagickAddImage(), MagickReadImage() functions to ensure new images are appended to the very end of wand's image list.</p> 589 590<p>The format of the MagickSetLastIterator method is:</p> 591 592<pre class="text"> 593void MagickSetLastIterator(MagickWand *wand) 594</pre> 595 596<p>A description of each parameter follows:</p> 597 598<dd> 599</dd> 600 601<dd> </dd> 602<dl class="dl-horizontal"> 603<dt>wand</dt> 604<dd>the magick wand. </dd> 605 606<dd> </dd> 607</dl> 608<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="MagickWandGenesis">MagickWandGenesis</a></h2> 609 610<p>MagickWandGenesis() initializes the MagickWand environment.</p> 611 612<p>The format of the MagickWandGenesis method is:</p> 613 614<pre class="text"> 615void MagickWandGenesis(void) 616</pre> 617 618<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="MagickWandTerminus">MagickWandTerminus</a></h2> 619 620<p>MagickWandTerminus() terminates the MagickWand environment.</p> 621 622<p>The format of the MaickWandTerminus method is:</p> 623 624<pre class="text"> 625void MagickWandTerminus(void) 626</pre> 627 628<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="NewMagickWand">NewMagickWand</a></h2> 629 630<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> 631 632<p>The format of the NewMagickWand method is:</p> 633 634<pre class="text"> 635MagickWand *NewMagickWand(void) 636</pre> 637 638<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="NewMagickWandFromImage">NewMagickWandFromImage</a></h2> 639 640<p>NewMagickWandFromImage() returns a wand with an image.</p> 641 642<p>The format of the NewMagickWandFromImage method is:</p> 643 644<pre class="text"> 645MagickWand *NewMagickWandFromImage(const Image *image) 646</pre> 647 648<p>A description of each parameter follows:</p> 649 650<dd> 651</dd> 652 653<dd> </dd> 654<dl class="dl-horizontal"> 655<dt>image</dt> 656<dd>the image. </dd> 657 658<dd> </dd> 659</dl> 660<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="IsMagickWandInstantiated">IsMagickWandInstantiated</a></h2> 661 662<p>IsMagickWandInstantiated() returns MagickTrue if the ImageMagick environment is currently instantiated-- that is, MagickWandGenesis() has been called but MagickWandTerminus() has not.</p> 663 664<p>The format of the IsMagickWandInstantiated method is:</p> 665 666<pre class="text"> 667MagickBooleanType IsMagickWandInstantiated(void) 668</pre> 669 670</div> 671 </div> 672 </main><!-- /.container --> 673 <footer class="magick-footer"> 674 <p><a href="../../www/security-policy.html">Security</a> • 675 <a href="../../www/architecture.html">Architecture</a> • 676 <a href="../../www/links.html">Related</a> • 677 <a href="../../www/sitemap.html">Sitemap</a> 678 679 <a href="magick-wand.html#"><img class="d-inline" id="wand" alt="And Now a Touch of Magick" width="16" height="16" src="../../images/wand.ico"/></a> 680 681 <a href="http://pgp.mit.edu/pks/lookup?op=get&search=0x89AB63D48277377A">Public Key</a> • 682 <a href="../../www/support.html">Donate</a> • 683 <a href="../../www/contact.html">Contact Us</a> 684 <br/> 685 <small>© 1999-2019 ImageMagick Studio LLC</small></p> 686 </footer> 687 688 <!-- Javascript assets --> 689 <script src="../assets/magick.js" crossorigin="anonymous"></script> 690 <script>window.jQuery || document.write('<script src="https://localhost/ajax/libs/jquery/3.3.1/jquery.min.js"><\/script>')</script> 691</body> 692</html> 693<!-- Magick Cache 31st December 2018 06:24 -->
