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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> 91 92<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="ClearMagickWand">ClearMagickWand</a></h2> 93 94<p>ClearMagickWand() clears resources associated with the wand, leaving the wand blank, and ready to be used for a new set of images.</p> 95 96<p>The format of the ClearMagickWand method is:</p> 97 98<pre class="text"> 99void ClearMagickWand(MagickWand *wand) 100</pre> 101 102<p>A description of each parameter follows:</p> 103 104<dd> 105</dd> 106 107<dd> </dd> 108<dl class="dl-horizontal"> 109<dt>wand</dt> 110<dd>the magick wand. </dd> 111 112<dd> </dd> 113</dl> 114<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="CloneMagickWand">CloneMagickWand</a></h2> 115 116<p>CloneMagickWand() makes an exact copy of the specified wand.</p> 117 118<p>The format of the CloneMagickWand method is:</p> 119 120<pre class="text"> 121MagickWand *CloneMagickWand(const MagickWand *wand) 122</pre> 123 124<p>A description of each parameter follows:</p> 125 126<dd> 127</dd> 128 129<dd> </dd> 130<dl class="dl-horizontal"> 131<dt>wand</dt> 132<dd>the magick wand. </dd> 133 134<dd> </dd> 135</dl> 136<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="DestroyMagickWand">DestroyMagickWand</a></h2> 137 138<p>DestroyMagickWand() deallocates memory associated with an MagickWand.</p> 139 140<p>The format of the DestroyMagickWand method is:</p> 141 142<pre class="text"> 143MagickWand *DestroyMagickWand(MagickWand *wand) 144</pre> 145 146<p>A description of each parameter follows:</p> 147 148<dd> 149</dd> 150 151<dd> </dd> 152<dl class="dl-horizontal"> 153<dt>wand</dt> 154<dd>the magick wand. </dd> 155 156<dd> </dd> 157</dl> 158<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="IsMagickWand">IsMagickWand</a></h2> 159 160<p>IsMagickWand() returns MagickTrue if the wand is verified as a magick wand.</p> 161 162<p>The format of the IsMagickWand method is:</p> 163 164<pre class="text"> 165MagickBooleanType IsMagickWand(const MagickWand *wand) 166</pre> 167 168<p>A description of each parameter follows:</p> 169 170<dd> 171</dd> 172 173<dd> </dd> 174<dl class="dl-horizontal"> 175<dt>wand</dt> 176<dd>the magick wand. </dd> 177 178<dd> </dd> 179</dl> 180<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="MagickClearException">MagickClearException</a></h2> 181 182<p>MagickClearException() clears any exceptions associated with the wand.</p> 183 184<p>The format of the MagickClearException method is:</p> 185 186<pre class="text"> 187MagickBooleanType MagickClearException(MagickWand *wand) 188</pre> 189 190<p>A description of each parameter follows:</p> 191 192<dd> 193</dd> 194 195<dd> </dd> 196<dl class="dl-horizontal"> 197<dt>wand</dt> 198<dd>the magick wand. </dd> 199 200<dd> </dd> 201</dl> 202<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="MagickGetException">MagickGetException</a></h2> 203 204<p>MagickGetException() returns the severity, reason, and description of any error that occurs when using other methods in this API.</p> 205 206<p>The format of the MagickGetException method is:</p> 207 208<pre class="text"> 209char *MagickGetException(const MagickWand *wand,ExceptionType *severity) 210</pre> 211 212<p>A description of each parameter follows:</p> 213 214<dd> 215</dd> 216 217<dd> </dd> 218<dl class="dl-horizontal"> 219<dt>wand</dt> 220<dd>the magick wand. </dd> 221 222<dd> </dd> 223<dt>severity</dt> 224<dd>the severity of the error is returned here. </dd> 225 226<dd> </dd> 227</dl> 228<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="MagickGetExceptionType">MagickGetExceptionType</a></h2> 229 230<p>MagickGetExceptionType() returns the exception type associated with the wand. If no exception has occurred, UndefinedExceptionType is returned.</p> 231 232<p>The format of the MagickGetExceptionType method is:</p> 233 234<pre class="text"> 235ExceptionType MagickGetExceptionType(const MagickWand *wand) 236</pre> 237 238<p>A description of each parameter follows:</p> 239 240<dd> 241</dd> 242 243<dd> </dd> 244<dl class="dl-horizontal"> 245<dt>wand</dt> 246<dd>the magick wand. </dd> 247 248<dd> </dd> 249</dl> 250<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="MagickGetIteratorIndex">MagickGetIteratorIndex</a></h2> 251 252<p>MagickGetIteratorIndex() returns the position of the iterator in the image list.</p> 253 254<p>The format of the MagickGetIteratorIndex method is:</p> 255 256<pre class="text"> 257ssize_t MagickGetIteratorIndex(MagickWand *wand) 258</pre> 259 260<p>A description of each parameter follows:</p> 261 262<dd> 263</dd> 264 265<dd> </dd> 266<dl class="dl-horizontal"> 267<dt>wand</dt> 268<dd>the magick wand. </dd> 269 270<dd> </dd> 271</dl> 272<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="MagickQueryConfigureOption">MagickQueryConfigureOption</a></h2> 273 274<p>MagickQueryConfigureOption() returns the value associated with the specified configure option.</p> 275 276<p>The format of the MagickQueryConfigureOption function is:</p> 277 278<pre class="text"> 279char *MagickQueryConfigureOption(const char *option) 280</pre> 281 282<p>A description of each parameter follows:</p> 283 284<dd> 285</dd> 286 287<dd> </dd> 288<dl class="dl-horizontal"> 289<dt>option</dt> 290<dd>the option name. </dd> 291 292<dd> </dd> 293</dl> 294<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="MagickQueryConfigureOptions">MagickQueryConfigureOptions</a></h2> 295 296<p>MagickQueryConfigureOptions() returns any configure options that match the specified pattern (e.g. "*" for all). Options include NAME, VERSION, LIB_VERSION, etc.</p> 297 298<p>The format of the MagickQueryConfigureOptions function is:</p> 299 300<pre class="text"> 301char **MagickQueryConfigureOptions(const char *pattern, 302 size_t *number_options) 303</pre> 304 305<p>A description of each parameter follows:</p> 306 307<dd> 308</dd> 309 310<dd> </dd> 311<dl class="dl-horizontal"> 312<dt>pattern</dt> 313<dd>Specifies a pointer to a text string containing a pattern. </dd> 314 315<dd> </dd> 316<dt>number_options</dt> 317<dd> Returns the number of configure options in the list. </dd> 318 319<dd> </dd> 320 321<dd> </dd> 322</dl> 323<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="MagickQueryFontMetrics">MagickQueryFontMetrics</a></h2> 324 325<p>MagickQueryFontMetrics() returns a 13 element array representing the following font metrics:</p> 326 327<pre class="text"> 328 Element Description 329 ------------------------------------------------- 330 0 character width 331 1 character height 332 2 ascender 333 3 descender 334 4 text width 335 5 text height 336 6 maximum horizontal advance 337 7 bounding box: x1 338 8 bounding box: y1 339 9 bounding box: x2 340 10 bounding box: y2 341 11 origin: x 342 12 origin: y 343</pre> 344 345<p>The format of the MagickQueryFontMetrics method is:</p> 346 347<pre class="text"> 348double *MagickQueryFontMetrics(MagickWand *wand, 349 const DrawingWand *drawing_wand,const char *text) 350</pre> 351 352<p>A description of each parameter follows:</p> 353 354<dd> 355</dd> 356 357<dd> </dd> 358<dl class="dl-horizontal"> 359<dt>wand</dt> 360<dd>the Magick wand. </dd> 361 362<dd> </dd> 363<dt>drawing_wand</dt> 364<dd>the drawing wand. </dd> 365 366<dd> </dd> 367<dt>text</dt> 368<dd>the text. </dd> 369 370<dd> </dd> 371</dl> 372<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="MagickQueryMultilineFontMetrics">MagickQueryMultilineFontMetrics</a></h2> 373 374<p>MagickQueryMultilineFontMetrics() returns a 13 element array representing the following font metrics:</p> 375 376<pre class="text"> 377 Element Description 378 ------------------------------------------------- 379 0 character width 380 1 character height 381 2 ascender 382 3 descender 383 4 text width 384 5 text height 385 6 maximum horizontal advance 386 7 bounding box: x1 387 8 bounding box: y1 388 9 bounding box: x2 389 10 bounding box: y2 390 11 origin: x 391 12 origin: y 392</pre> 393 394<p>This method is like MagickQueryFontMetrics() but it returns the maximum text width and height for multiple lines of text.</p> 395 396<p>The format of the MagickQueryFontMetrics method is:</p> 397 398<pre class="text"> 399double *MagickQueryMultilineFontMetrics(MagickWand *wand, 400 const DrawingWand *drawing_wand,const char *text) 401</pre> 402 403<p>A description of each parameter follows:</p> 404 405<dd> 406</dd> 407 408<dd> </dd> 409<dl class="dl-horizontal"> 410<dt>wand</dt> 411<dd>the Magick wand. </dd> 412 413<dd> </dd> 414<dt>drawing_wand</dt> 415<dd>the drawing wand. </dd> 416 417<dd> </dd> 418<dt>text</dt> 419<dd>the text. </dd> 420 421<dd> </dd> 422</dl> 423<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="MagickQueryFonts">MagickQueryFonts</a></h2> 424 425<p>MagickQueryFonts() returns any font that match the specified pattern (e.g. "*" for all).</p> 426 427<p>The format of the MagickQueryFonts function is:</p> 428 429<pre class="text"> 430char **MagickQueryFonts(const char *pattern,size_t *number_fonts) 431</pre> 432 433<p>A description of each parameter follows:</p> 434 435<dd> 436</dd> 437 438<dd> </dd> 439<dl class="dl-horizontal"> 440<dt>pattern</dt> 441<dd>Specifies a pointer to a text string containing a pattern. </dd> 442 443<dd> </dd> 444<dt>number_fonts</dt> 445<dd> Returns the number of fonts in the list. </dd> 446 447<dd> </dd> 448 449<dd> </dd> 450</dl> 451<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="MagickQueryFormats">MagickQueryFormats</a></h2> 452 453<p>MagickQueryFormats() returns any image formats that match the specified pattern (e.g. "*" for all).</p> 454 455<p>The format of the MagickQueryFormats function is:</p> 456 457<pre class="text"> 458char **MagickQueryFormats(const char *pattern,size_t *number_formats) 459</pre> 460 461<p>A description of each parameter follows:</p> 462 463<dd> 464</dd> 465 466<dd> </dd> 467<dl class="dl-horizontal"> 468<dt>pattern</dt> 469<dd>Specifies a pointer to a text string containing a pattern. </dd> 470 471<dd> </dd> 472<dt>number_formats</dt> 473<dd> This integer returns the number of image formats in the list. </dd> 474 475<dd> </dd> 476</dl> 477<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="MagickRelinquishMemory">MagickRelinquishMemory</a></h2> 478 479<p>MagickRelinquishMemory() relinquishes memory resources returned by such methods as MagickIdentifyImage(), MagickGetException(), etc.</p> 480 481<p>The format of the MagickRelinquishMemory method is:</p> 482 483<pre class="text"> 484void *MagickRelinquishMemory(void *resource) 485</pre> 486 487<p>A description of each parameter follows:</p> 488 489<dd> 490</dd> 491 492<dd> </dd> 493<dl class="dl-horizontal"> 494<dt>resource</dt> 495<dd>Relinquish the memory associated with this resource. </dd> 496 497<dd> </dd> 498</dl> 499<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="MagickResetIterator">MagickResetIterator</a></h2> 500 501<p>MagickResetIterator() resets the wand iterator.</p> 502 503<p>It is typically used either before iterating though images, or before calling specific functions such as MagickAppendImages() to append all images together.</p> 504 505<p>Afterward you can use MagickNextImage() to iterate over all the images in a wand container, starting with the first image.</p> 506 507<p>Using this before MagickAddImages() or MagickReadImages() will cause new images to be inserted between the first and second image.</p> 508 509<p>The format of the MagickResetIterator method is:</p> 510 511<pre class="text"> 512void MagickResetIterator(MagickWand *wand) 513</pre> 514 515<p>A description of each parameter follows:</p> 516 517<dd> 518</dd> 519 520<dd> </dd> 521<dl class="dl-horizontal"> 522<dt>wand</dt> 523<dd>the magick wand. </dd> 524 525<dd> </dd> 526</dl> 527<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="MagickSetFirstIterator">MagickSetFirstIterator</a></h2> 528 529<p>MagickSetFirstIterator() sets the wand iterator to the first image.</p> 530 531<p>After using any images added to the wand using MagickAddImage() or MagickReadImage() will be prepended before any image in the wand.</p> 532 533<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> 534 535<p>This operation is similar to MagickResetIterator() but differs in how MagickAddImage(), MagickReadImage(), and MagickNextImage() behaves afterward.</p> 536 537<p>The format of the MagickSetFirstIterator method is:</p> 538 539<pre class="text"> 540void MagickSetFirstIterator(MagickWand *wand) 541</pre> 542 543<p>A description of each parameter follows:</p> 544 545<dd> 546</dd> 547 548<dd> </dd> 549<dl class="dl-horizontal"> 550<dt>wand</dt> 551<dd>the magick wand. </dd> 552 553<dd> </dd> 554</dl> 555<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="MagickSetIteratorIndex">MagickSetIteratorIndex</a></h2> 556 557<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> 558 559<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> 560 561<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> 562 563<p>Jumping to index 0 is similar to MagickResetIterator() but differs in how MagickNextImage() behaves afterward.</p> 564 565<p>The format of the MagickSetIteratorIndex method is:</p> 566 567<pre class="text"> 568MagickBooleanType MagickSetIteratorIndex(MagickWand *wand, 569 const ssize_t index) 570</pre> 571 572<p>A description of each parameter follows:</p> 573 574<dd> 575</dd> 576 577<dd> </dd> 578<dl class="dl-horizontal"> 579<dt>wand</dt> 580<dd>the magick wand. </dd> 581 582<dd> </dd> 583<dt>index</dt> 584<dd>the scene number. </dd> 585 586<dd> </dd> 587</dl> 588<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="MagickSetLastIterator">MagickSetLastIterator</a></h2> 589 590<p>MagickSetLastIterator() sets the wand iterator to the last image.</p> 591 592<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> 593 594<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> 595 596<p>The format of the MagickSetLastIterator method is:</p> 597 598<pre class="text"> 599void MagickSetLastIterator(MagickWand *wand) 600</pre> 601 602<p>A description of each parameter follows:</p> 603 604<dd> 605</dd> 606 607<dd> </dd> 608<dl class="dl-horizontal"> 609<dt>wand</dt> 610<dd>the magick wand. </dd> 611 612<dd> </dd> 613</dl> 614<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="MagickWandGenesis">MagickWandGenesis</a></h2> 615 616<p>MagickWandGenesis() initializes the MagickWand environment.</p> 617 618<p>The format of the MagickWandGenesis method is:</p> 619 620<pre class="text"> 621void MagickWandGenesis(void) 622</pre> 623 624<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="MagickWandTerminus">MagickWandTerminus</a></h2> 625 626<p>MagickWandTerminus() terminates the MagickWand environment.</p> 627 628<p>The format of the MaickWandTerminus method is:</p> 629 630<pre class="text"> 631void MagickWandTerminus(void) 632</pre> 633 634<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="NewMagickWand">NewMagickWand</a></h2> 635 636<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> 637 638<p>The format of the NewMagickWand method is:</p> 639 640<pre class="text"> 641MagickWand *NewMagickWand(void) 642</pre> 643 644<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="NewMagickWandFromImage">NewMagickWandFromImage</a></h2> 645 646<p>NewMagickWandFromImage() returns a wand with an image.</p> 647 648<p>The format of the NewMagickWandFromImage method is:</p> 649 650<pre class="text"> 651MagickWand *NewMagickWandFromImage(const Image *image) 652</pre> 653 654<p>A description of each parameter follows:</p> 655 656<dd> 657</dd> 658 659<dd> </dd> 660<dl class="dl-horizontal"> 661<dt>image</dt> 662<dd>the image. </dd> 663 664<dd> </dd> 665</dl> 666<h2><a href="../../api/MagickWand/magick-wand_8c.html" id="IsMagickWandInstantiated">IsMagickWandInstantiated</a></h2> 667 668<p>IsMagickWandInstantiated() returns MagickTrue if the ImageMagick environment is currently instantiated-- that is, MagickWandGenesis() has been called but MagickWandTerminus() has not.</p> 669 670<p>The format of the IsMagickWandInstantiated method is:</p> 671 672<pre class="text"> 673MagickBooleanType IsMagickWandInstantiated(void) 674</pre> 675 676</div> 677 </div> 678 </main><!-- /.container --> 679 <footer class="magick-footer"> 680 <p><a href="../../www/security-policy.html">Security</a> • 681 <a href="../../www/architecture.html">Architecture</a> 682 683 <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> 684 685 <a href="../../www/links.html">Related</a> • 686 <a href="../../www/sitemap.html">Sitemap</a> 687 <br/> 688 <a href="../../www/support.html">Donate</a> • 689 <a href="http://pgp.mit.edu/pks/lookup?op=get&search=0x89AB63D48277377A">Public Key</a> • 690 <a href="../../www/contact.html">Contact Us</a> 691 <br/> 692 <small>© 1999-2020 ImageMagick Studio LLC</small></p> 693 </footer> 694 695 <!-- Javascript assets --> 696 <script src="../assets/magick.js" crossorigin="anonymous"></script> 697 <script>window.jQuery || document.write('<script src="https://localhost/ajax/libs/jquery/3.4.1/jquery.min.js"><\/script>')</script> 698</body> 699</html> 700<!-- Magick Cache 2nd January 2020 11:37 -->
