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gerrit-public.fairphone.software / platform / external / ImageMagick / 8a8419f44f53ba4d3e28198382f94564748bf21f / . / www / composite.html
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209
210<div class="main">
211
cristydcca3fa2010-12-29 21:50:07 +0000[diff] [blame]212<h1>ImageMagick Composite Command-line Tool</h1>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]213<p class="navigation-index">[<a href="#usage">Example Usage</a> &bull; <a href="#options">Option Summary</a>]</p>
214
215<p>Use the <kbd>composite</kbd> program to overlap one image over another. See <a href="../www/command-line-processing.html">Command Line Processing</a> for advice on how to structure your <kbd>composite</kbd> command or see below for example usages of the command.</p>
216
217<div style="margin: auto;">
cristydcca3fa2010-12-29 21:50:07 +0000[diff] [blame]218 <h2><a id="usage"></a>Example Usage</h2>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]219</div>
220
221<p>We list a few examples of the <kbd>composite</kbd> command here to illustrate its usefulness and ease of use. To get started, lets overlay a smiley face over a rose:</p>
222
223<p class='crt'><span class="crtprompt"> $magick&gt; </span><span class='crtin'>composite -gravity center smile.gif rose: rose-over.png</span></p>
224<div class="image">
225<p>
226 <a href="../images/smile.gif"><img src="../images/smile.gif" width="48" height="48" alt="smile" /></a>
227 <img src="../images/over.gif" width="56" height="46" alt="over" />
228 <a href="../images/rose.jpg"><img src="../images/rose.jpg" width="70" height="46" alt="rose" /></a>
229 <img style="margin-top:13px; margin-bottom:13px;" src="../images/right.gif" width="20" height="20" alt="==>" />
230 <a href="../images/rose-over.png"><img src="../images/rose-over.png" width="70" height="46" alt="rose" /></a>
231</p>
232</div>
233
234<p>You can create three-dimensional effect with the <em>Atop</em>:</p>
235
cristyf9a6c462011-04-24 14:01:11 +0000[diff] [blame]236<p class='crt'><span class="crtprompt"> $magick&gt; </span><span class='crtin'>convert -size 70x70 canvas:none -fill red -draw 'circle 35,35 10,30' red-circle.png</span><span class='crtout'></span><span class="crtprompt"> $magick&gt; </span><span class='crtin'>convert -size 70x70 canvas:none -draw 'circle 35,35 35,20' -negate \ <br/>
cristyc92bdb42009-12-18 21:29:02 +0000[diff] [blame]237 -channel A -gaussian-blur 0x8 white-highlight.png</span><span class='crtout'></span><span class="crtprompt"> $magick&gt; </span><span class='crtin'>composite -compose atop -geometry -13-17 white-highlight.png red-circle.png red-ball.png</span></p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]238
239<div class="image">
240<p>
241 <a href="../images/white-highlight.png"><img src="../images/white-highlight.png" width="70" height="70" alt="white highlight" /></a>
242 <img src="../images/atop.gif" width="56" height="70" alt="atop" />
243 <a href="../images/red-circle.png"><img src="../images/red-circle.png" width="70" height="70" alt="red circle" /></a>
244 <img style="margin-top:25px; margin-bottom:25px;" src="../images/right.gif" width="20" height="20" alt="==>" />
245 <a href="../images/red-ball.png"><img src="../images/red-ball.png" width="70" height="70" alt="red ball" /></a>
246</p>
247</div>
248
249<p>You can find additional examples of using <kbd>composite</kbd> in <a href="http://www.imagemagick.org/Usage/">Examples of ImageMagick Usage</a>. You can find out more about them and the mathematics by looking at <a href="http://www.w3.org/TR/SVG12/rendering.html">SVG Alpha Compositing</a></p>
250
251<div style="margin: auto;">
cristydcca3fa2010-12-29 21:50:07 +0000[diff] [blame]252 <h2><a id="options"></a>Option Summary</h2>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]253</div>
254
255<p>The <kbd>composite</kbd> command recognizes these options. Click on an option to get more details about how that option works.</p>
256
257<table class="doc">
258 <tbody>
259 <tr>
260 <th align="left">Option</th>
261 <th align="left">Description</th>
262 </tr>
263
264 <tr>
265 <td valign="top"><a href="../www/command-line-options.html#affine">-affine <em class="option">matrix</em></a></td>
266 <td valign="top">affine transform matrix</td>
267 </tr>
268
269 <tr>
270 <td valign="top"><a href="../www/command-line-options.html#alpha">-alpha</a></td>
271 <td valign="top">on, activate, off, deactivate, set, opaque, copy",
272transparent, extract, background, or shape the alpha channel</td>
273 </tr>
274
275 <tr>
276 <td valign="top"><a href="../www/command-line-options.html#authenticate">-authenticate <em class="option">value</em></a></td>
277 <td valign="top">decrypt image with this password</td>
278 </tr>
279
280 <tr>
281 <td valign="top"><a href="../www/command-line-options.html#blend">-blend <em class="option">geometry</em></a></td>
282 <td valign="top">blend images</td>
283 </tr>
284
285 <tr>
286 <td valign="top"><a href="../www/command-line-options.html#blue-primary">-blue-primary <em class="option">point</em></a></td>
287 <td valign="top">chromaticity blue primary point</td>
288 </tr>
289
290
291 <tr>
292 <td valign="top"><a href="../www/command-line-options.html#border">-border <em class="option">geometry</em></a></td>
293 <td valign="top">surround image with a border of color</td>
294 </tr>
295
296 <tr>
297 <td valign="top"><a href="../www/command-line-options.html#bordercolor">-bordercolor <em class="option">color</em></a></td>
298 <td valign="top">border color</td>
299 </tr>
300
301 <tr>
302 <td valign="top"><a href="../www/command-line-options.html#channel">-channel <em class="option">type</em></a></td>
303 <td valign="top">apply option to select image channels</td>
304 </tr>
305
306 <tr>
307 <td valign="top"><a href="../www/command-line-options.html#colors">-colors <em class="option">value</em></a></td>
308 <td valign="top">preferred number of colors in the image</td>
309 </tr>
310
311 <tr>
312 <td valign="top"><a href="../www/command-line-options.html#colorspace">-colorspace <em class="option">type</em></a></td>
313 <td valign="top">set image colorspace</td>
314 </tr>
315
316 <tr>
317 <td valign="top"><a href="../www/command-line-options.html#comment">-comment <em class="option">string</em></a></td>
318 <td valign="top">annotate image with comment</td>
319 </tr>
320
321 <tr>
322 <td valign="top"><a href="../www/command-line-options.html#compose">-compose <em class="option">operator</em></a></td>
323 <td valign="top">set image composite operator</td>
324 </tr>
325
326 <tr>
327 <td valign="top"><a href="../www/command-line-options.html#compress">-compress <em class="option">type</em></a></td>
328 <td valign="top">image compression type</td>
329 </tr>
330
331 <tr>
332 <td valign="top"><a href="../www/command-line-options.html#debug">-debug <em class="option">events</em></a></td>
333 <td valign="top">display copious debugging information</td>
334 </tr>
335
336 <tr>
337 <td valign="top"><a href="../www/command-line-options.html#decipher">-decipher <em class="option">filename</em></a></td>
338 <td valign="top">convert cipher pixels to plain</td>
339 </tr>
340
341 <tr>
342 <td valign="top"><a href="../www/command-line-options.html#define">-define <em class="option">format:option</em></a></td>
343 <td valign="top">define one or more image format options</td>
344 </tr>
345
346 <tr>
347 <td valign="top"><a href="../www/command-line-options.html#density">-density <em class="option">geometry</em></a></td>
348 <td valign="top">horizontal and vertical density of the image</td>
349 </tr>
350
351 <tr>
352 <td valign="top"><a href="../www/command-line-options.html#depth">-depth <em class="option">value</em></a></td>
353 <td valign="top">image depth</td>
354 </tr>
355
356 <tr>
357 <td valign="top"><a href="../www/command-line-options.html#displace">-displace <em class="option">geometry</em></a></td>
358 <td valign="top">shift image pixels defined by a displacement map</td>
359 </tr>
360
361 <tr>
362 <td valign="top"><a href="../www/command-line-options.html#dissolve">-dissolve <em class="option">value</em></a></td>
363 <td valign="top">dissolve the two images a given percent</td>
364 </tr>
365
366 <tr>
367 <td valign="top"><a href="../www/command-line-options.html#dither">-dither <em class="option">method</em></a></td>
368 <td valign="top">apply error diffusion to image</td>
369 </tr>
370
371 <tr>
372 <td valign="top"><a href="../www/command-line-options.html#encipher">-encipher <em class="option">filename</em></a></td>
373 <td valign="top">convert plain pixels to cipher pixels</td>
374 </tr>
375
376 <tr>
377 <td valign="top"><a href="../www/command-line-options.html#encoding">-encoding <em class="option">type</em></a></td>
378 <td valign="top">text encoding type</td>
379 </tr>
380
381 <tr>
382 <td valign="top"><a href="../www/command-line-options.html#endian">-endian <em class="option">type</em></a></td>
383 <td valign="top">endianness (MSB or LSB) of the image</td>
384 </tr>
385
386 <tr>
387 <td valign="top"><a href="../www/command-line-options.html#extract">-extract <em class="option">geometry</em></a></td>
388 <td valign="top">extract area from image</td>
389 </tr>
390
391 <tr>
392 <td valign="top"><a href="../www/command-line-options.html#filter">-filter <em class="option">type</em></a></td>
393 <td valign="top">use this filter when resizing an image</td>
394 </tr>
395
396 <tr>
397 <td valign="top"><a href="../www/command-line-options.html#font">-font <em class="option">name</em></a></td>
398 <td valign="top">render text with this font</td>
399 </tr>
400
401 <tr>
402 <td valign="top"><a href="../www/command-line-options.html#geometry">-geometry <em class="option">geometry</em></a></td>
403 <td valign="top">preferred size or location of the image</td>
404 </tr>
405
406 <tr>
407 <td valign="top"><a href="../www/command-line-options.html#gravity">-gravity <em class="option">type</em></a></td>
408 <td valign="top">horizontal and vertical text placement</td>
409 </tr>
410
411 <tr>
412 <td valign="top"><a href="../www/command-line-options.html#green-primary">-green-primary <em class="option">point</em></a></td>
413 <td valign="top">chromaticity green primary point</td>
414 </tr>
415
416 <tr>
417 <td valign="top"><a href="../www/command-line-options.html#help">-help</a></td>
418 <td valign="top">print program options</td>
419 </tr>
420
421 <tr>
422 <td valign="top"><a href="../www/command-line-options.html#identify">-identify</a></td>
423 <td valign="top">identify the format and characteristics of the image</td>
424 </tr>
425
426 <tr>
427 <td valign="top"><a href="../www/command-line-options.html#interlace">-interlace <em class="option">type</em></a></td>
428 <td valign="top">type of image interlacing scheme</td>
429 </tr>
430
431 <tr>
432 <td valign="top"><a href="../www/command-line-options.html#interpolate">-interpolate <em class="option">method</em></a></td>
433 <td valign="top">pixel color interpolation method</td>
434 </tr>
435
436 <tr>
437 <td valign="top"><a href="../www/command-line-options.html#label">-label <em class="option">string</em></a></td>
438 <td valign="top">assign a label to an image</td>
439 </tr>
440
441 <tr>
442 <td valign="top"><a href="../www/command-line-options.html#level">-level <em class="option">value</em></a></td>
443 <td valign="top">adjust the level of image contrast</td>
444 </tr>
445
446 <tr>
447 <td valign="top"><a href="../www/command-line-options.html#limit">-limit <em class="option">type value</em></a></td>
448 <td valign="top">pixel cache resource limit</td>
449 </tr>
450
451 <tr>
452 <td valign="top"><a href="../www/command-line-options.html#log">-log <em class="option">format</em></a></td>
453 <td valign="top">format of debugging information</td>
454 </tr>
455
456 <tr>
457 <td valign="top"><a href="../www/command-line-options.html#monitor">-monitor</a></td>
458 <td valign="top">monitor progress</td>
459 </tr>
460
461 <tr>
462 <td valign="top"><a href="../www/command-line-options.html#monochrome">-monochrome</a></td>
463 <td valign="top">transform image to black and white</td>
464 </tr>
465
466 <tr>
467 <td valign="top"><a href="../www/command-line-options.html#negate">-negate</a></td>
cristyb29bc032010-02-01 20:29:43 +0000[diff] [blame]468 <td valign="top">replace each pixel with its complementary color </td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]469 </tr>
470
471 <tr>
472 <td valign="top"><a href="../www/command-line-options.html#page">-page <em class="option">geometry</em></a></td>
473 <td valign="top">size and location of an image canvas (setting)</td>
474 </tr>
475
476 <tr>
477 <td valign="top"><a href="../www/command-line-options.html#pointsize">-pointsize <em class="option">value</em></a></td>
478 <td valign="top">font point size</td>
479 </tr>
480
481 <tr>
482 <td valign="top"><a href="../www/command-line-options.html#profile">-profile <em class="option">filename</em></a></td>
483 <td valign="top">add, delete, or apply an image profile</td>
484 </tr>
485
486 <tr>
487 <td valign="top"><a href="../www/command-line-options.html#quality">-quality <em class="option">value</em></a></td>
488 <td valign="top">JPEG/MIFF/PNG compression level</td>
489 </tr>
490
491 <tr>
492 <td valign="top"><a href="../www/command-line-options.html#quantize">-quantize <em class="option">colorspace</em></a></td>
493 <td valign="top">reduce image colors in this colorspace</td>
494 </tr>
495
496 <tr>
497 <td valign="top"><a href="../www/command-line-options.html#quiet">-quiet</a></td>
498 <td valign="top">suppress all warning messages</td>
499 </tr>
500
501 <tr>
502 <td valign="top"><a href="../www/command-line-options.html#red-primary">-red-primary <em class="option">point</em></a></td>
503 <td valign="top">chromaticity red primary point</td>
504 </tr>
505
506 <tr>
507 <td valign="top"><a href="../www/command-line-options.html#regard-warnings">-regard-warnings</a></td>
508 <td valign="top">pay attention to warning messages.</td>
509 </tr>
510
511 <tr>
512 <td valign="top"><a href="../www/command-line-options.html#respect-parentheses">-respect-parentheses</a></td>
513 <td valign="top">settings remain in effect until parenthesis boundary.</td>
514 </tr>
515
516 <tr>
517 <td valign="top"><a href="../www/command-line-options.html#rotate">-rotate <em class="option">degrees</em></a></td>
518 <td valign="top">apply Paeth rotation to the image</td>
519 </tr>
520
521 <tr>
522 <td valign="top"><a href="../www/command-line-options.html#sampling-factor">-sampling-factor <em class="option">geometry</em></a></td>
523 <td valign="top">horizontal and vertical sampling factor</td>
524 </tr>
525
526 <tr>
527 <td valign="top"><a href="../www/command-line-options.html#scene">-scene <em class="option">value</em></a></td>
528 <td valign="top">image scene number</td>
529 </tr>
530
531 <tr>
532 <td valign="top"><a href="../www/command-line-options.html#seed">-seed <em class="option">value</em></a></td>
533 <td valign="top">seed a new sequence of pseudo-random numbers</td>
534 </tr>
535
536 <tr>
537 <td valign="top"><a href="../www/command-line-options.html#set">-set <em class="option">attribute value</em></a></td>
538 <td valign="top">set an image attribute</td>
539 </tr>
540
541 <tr>
542 <td valign="top"><a href="../www/command-line-options.html#sharpen">-sharpen <em class="option">geometry</em></a></td>
543 <td valign="top">sharpen the image</td>
544 </tr>
545
546 <tr>
547 <td valign="top"><a href="../www/command-line-options.html#shave">-shave <em class="option">geometry</em></a></td>
548 <td valign="top">shave pixels from the image edges</td>
549 </tr>
550
551 <tr>
552 <td valign="top"><a href="../www/command-line-options.html#size">-size <em class="option">geometry</em></a></td>
553 <td valign="top">width and height of image</td>
554 </tr>
555
556 <tr>
557 <td valign="top"><a href="../www/command-line-options.html#stegano">-stegano <em>offset</em></a></td>
558 <td valign="top">hide watermark within an image</td>
559 </tr>
560
561 <tr>
562 <td valign="top"><a href="../www/command-line-options.html#stereo">-stereo <em class="option">geometry</em></a></td>
563 <td valign="top">combine two image to create a stereo anaglyph</td>
564 </tr>
565
566 <tr>
567 <td valign="top"><a href="../www/command-line-options.html#strip">-strip</a></td>
568 <td valign="top">strip image of all profiles and comments</td>
569 </tr>
570
571 <tr>
572 <td valign="top"><a href="../www/command-line-options.html#swap">-swap <em class="option">indexes</em></a></td>
573 <td valign="top">swap two images in the image sequence</td>
574 </tr>
575
576 <tr>
cristy5063d812010-10-19 16:28:10 +0000[diff] [blame]577 <td valign="top"><a href="../www/command-line-options.html#synchronize">-synchronize</a></td>
578 <td valign="top">synchronize image to storage device</td>
579 </tr>
580
581 <tr>
582 <td valign="top"><a href="../www/command-line-options.html#taint">-taint</a></td>
583 <td valign="top">mark the image as modified</td>
584 </tr>
585
586 <tr>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]587 <td valign="top"><a href="../www/command-line-options.html#thumbnail">-thumbnail <em class="option">geometry</em></a></td>
588 <td valign="top">create a thumbnail of the image</td>
589 </tr>
590
591 <tr>
592 <td valign="top"><a href="../www/command-line-options.html#tile">-tile</a></td>
593 <td valign="top">repeat composite operation across and down image</td>
594 </tr>
595
596 <tr>
597 <td valign="top"><a href="../www/command-line-options.html#transform">-transform</a></td>
598 <td valign="top">affine transform image</td>
599 </tr>
600
601 <tr>
602 <td valign="top"><a href="../www/command-line-options.html#transparent-color">-transparent-color <em class="option">color</em></a></td>
603 <td valign="top">transparent color</td>
604 </tr>
605
606 <tr>
607 <td valign="top"><a href="../www/command-line-options.html#treedepth">-treedepth <em class="option">value</em></a></td>
608 <td valign="top">color tree depth</td>
609 </tr>
610
611 <tr>
612 <td valign="top"><a href="../www/command-line-options.html#type">-type <em class="option">type</em></a></td>
613 <td valign="top">image type</td>
614 </tr>
615
616 <tr>
617 <td valign="top"><a href="../www/command-line-options.html#units">-units <em class="option">type</em></a></td>
618 <td valign="top">the units of image resolution</td>
619 </tr>
620
621 <tr>
622 <td valign="top"><a href="../www/command-line-options.html#unsharp">-unsharp <em class="option">geometry</em></a></td>
623 <td valign="top">sharpen the image</td>
624 </tr>
625
626 <tr>
627 <td valign="top"><a href="../www/command-line-options.html#verbose">-verbose</a></td>
628 <td valign="top">print detailed information about the image</td>
629 </tr>
630
631 <tr>
632 <td valign="top"><a href="../www/command-line-options.html#version">-version</a></td>
633 <td valign="top">print version information</td>
634 </tr>
635
636 <tr>
637 <td valign="top"><a href="../www/command-line-options.html#virtual-pixel">-virtual-pixel <em class="option">method</em></a></td>
638 <td valign="top">access method for pixels outside the boundaries of the image</td>
639 </tr>
640
641 <tr>
642 <td valign="top"><a href="../www/command-line-options.html#watermark">-watermark <em class="option">geometry</em></a></td>
643 <td valign="top">percent brightness and saturation of a watermark</td>
644 </tr>
645
646 <tr>
647 <td valign="top"><a href="../www/command-line-options.html#white-point">-white-point <em class="option">point</em></a></td>
648 <td valign="top">chromaticity white point</td>
649 </tr>
650
651 <tr>
652 <td valign="top"><a href="../www/command-line-options.html#white-threshold">-white-threshold <em class="option">value</em></a></td>
653 <td valign="top">force all pixels above the threshold into white</td>
654 </tr>
655
656 <tr>
657 <td valign="top"><a href="../www/command-line-options.html#write">-write <em class="option">filename</em></a></td>
658 <td valign="top">write images to this file</td>
659 </tr>
660
661 </tbody>
662</table>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]663
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