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165
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]166<p class="navigation-index">[<a href="#usage">Example Usage</a> &bull; <a href="#options">Option Summary</a>]</p>
167
168<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>
169
170<div style="margin: auto;">
171 <h2><a name="usage"></a>Example Usage</h2>
172</div>
173
174<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>
175
176<p class='crt'><span class="crtprompt"> $magick&gt; </span><span class='crtin'>composite -gravity center smile.gif rose: rose-over.png</span></p>
177<div class="image">
178<p>
179 <a href="../images/smile.gif"><img src="../images/smile.gif" width="48" height="48" alt="smile" /></a>
180 <img src="../images/over.gif" width="56" height="46" alt="over" />
181 <a href="../images/rose.jpg"><img src="../images/rose.jpg" width="70" height="46" alt="rose" /></a>
182 <img style="margin-top:13px; margin-bottom:13px;" src="../images/right.gif" width="20" height="20" alt="==>" />
183 <a href="../images/rose-over.png"><img src="../images/rose-over.png" width="70" height="46" alt="rose" /></a>
184</p>
185</div>
186
187<p>You can create three-dimensional effect with the <em>Atop</em>:</p>
188
189<p class='crt'><span class="crtprompt"> $magick&gt; </span><span class='crtin'>convert -size 70x70 xc: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 xc:none -draw 'circle 35,35 35,20' -negate \ <br/>
cristyc92bdb42009-12-18 21:29:02 +0000[diff] [blame]190 -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]191
192<div class="image">
193<p>
194 <a href="../images/white-highlight.png"><img src="../images/white-highlight.png" width="70" height="70" alt="white highlight" /></a>
195 <img src="../images/atop.gif" width="56" height="70" alt="atop" />
196 <a href="../images/red-circle.png"><img src="../images/red-circle.png" width="70" height="70" alt="red circle" /></a>
197 <img style="margin-top:25px; margin-bottom:25px;" src="../images/right.gif" width="20" height="20" alt="==>" />
198 <a href="../images/red-ball.png"><img src="../images/red-ball.png" width="70" height="70" alt="red ball" /></a>
199</p>
200</div>
201
202<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>
203
204<div style="margin: auto;">
205 <h2><a name="options"></a>Option Summary</h2>
206</div>
207
208<p>The <kbd>composite</kbd> command recognizes these options. Click on an option to get more details about how that option works.</p>
209
210<table class="doc">
211 <tbody>
212 <tr>
213 <th align="left">Option</th>
214 <th align="left">Description</th>
215 </tr>
216
217 <tr>
218 <td valign="top"><a href="../www/command-line-options.html#affine">-affine <em class="option">matrix</em></a></td>
219 <td valign="top">affine transform matrix</td>
220 </tr>
221
222 <tr>
223 <td valign="top"><a href="../www/command-line-options.html#alpha">-alpha</a></td>
224 <td valign="top">on, activate, off, deactivate, set, opaque, copy",
225transparent, extract, background, or shape the alpha channel</td>
226 </tr>
227
228 <tr>
229 <td valign="top"><a href="../www/command-line-options.html#authenticate">-authenticate <em class="option">value</em></a></td>
230 <td valign="top">decrypt image with this password</td>
231 </tr>
232
233 <tr>
234 <td valign="top"><a href="../www/command-line-options.html#blend">-blend <em class="option">geometry</em></a></td>
235 <td valign="top">blend images</td>
236 </tr>
237
238 <tr>
239 <td valign="top"><a href="../www/command-line-options.html#blue-primary">-blue-primary <em class="option">point</em></a></td>
240 <td valign="top">chromaticity blue primary point</td>
241 </tr>
242
243
244 <tr>
245 <td valign="top"><a href="../www/command-line-options.html#border">-border <em class="option">geometry</em></a></td>
246 <td valign="top">surround image with a border of color</td>
247 </tr>
248
249 <tr>
250 <td valign="top"><a href="../www/command-line-options.html#bordercolor">-bordercolor <em class="option">color</em></a></td>
251 <td valign="top">border color</td>
252 </tr>
253
254 <tr>
255 <td valign="top"><a href="../www/command-line-options.html#channel">-channel <em class="option">type</em></a></td>
256 <td valign="top">apply option to select image channels</td>
257 </tr>
258
259 <tr>
260 <td valign="top"><a href="../www/command-line-options.html#colors">-colors <em class="option">value</em></a></td>
261 <td valign="top">preferred number of colors in the image</td>
262 </tr>
263
264 <tr>
265 <td valign="top"><a href="../www/command-line-options.html#colorspace">-colorspace <em class="option">type</em></a></td>
266 <td valign="top">set image colorspace</td>
267 </tr>
268
269 <tr>
270 <td valign="top"><a href="../www/command-line-options.html#comment">-comment <em class="option">string</em></a></td>
271 <td valign="top">annotate image with comment</td>
272 </tr>
273
274 <tr>
275 <td valign="top"><a href="../www/command-line-options.html#compose">-compose <em class="option">operator</em></a></td>
276 <td valign="top">set image composite operator</td>
277 </tr>
278
279 <tr>
280 <td valign="top"><a href="../www/command-line-options.html#compress">-compress <em class="option">type</em></a></td>
281 <td valign="top">image compression type</td>
282 </tr>
283
284 <tr>
285 <td valign="top"><a href="../www/command-line-options.html#debug">-debug <em class="option">events</em></a></td>
286 <td valign="top">display copious debugging information</td>
287 </tr>
288
289 <tr>
290 <td valign="top"><a href="../www/command-line-options.html#decipher">-decipher <em class="option">filename</em></a></td>
291 <td valign="top">convert cipher pixels to plain</td>
292 </tr>
293
294 <tr>
295 <td valign="top"><a href="../www/command-line-options.html#define">-define <em class="option">format:option</em></a></td>
296 <td valign="top">define one or more image format options</td>
297 </tr>
298
299 <tr>
300 <td valign="top"><a href="../www/command-line-options.html#density">-density <em class="option">geometry</em></a></td>
301 <td valign="top">horizontal and vertical density of the image</td>
302 </tr>
303
304 <tr>
305 <td valign="top"><a href="../www/command-line-options.html#depth">-depth <em class="option">value</em></a></td>
306 <td valign="top">image depth</td>
307 </tr>
308
309 <tr>
310 <td valign="top"><a href="../www/command-line-options.html#displace">-displace <em class="option">geometry</em></a></td>
311 <td valign="top">shift image pixels defined by a displacement map</td>
312 </tr>
313
314 <tr>
315 <td valign="top"><a href="../www/command-line-options.html#dissolve">-dissolve <em class="option">value</em></a></td>
316 <td valign="top">dissolve the two images a given percent</td>
317 </tr>
318
319 <tr>
320 <td valign="top"><a href="../www/command-line-options.html#dither">-dither <em class="option">method</em></a></td>
321 <td valign="top">apply error diffusion to image</td>
322 </tr>
323
324 <tr>
325 <td valign="top"><a href="../www/command-line-options.html#encipher">-encipher <em class="option">filename</em></a></td>
326 <td valign="top">convert plain pixels to cipher pixels</td>
327 </tr>
328
329 <tr>
330 <td valign="top"><a href="../www/command-line-options.html#encoding">-encoding <em class="option">type</em></a></td>
331 <td valign="top">text encoding type</td>
332 </tr>
333
334 <tr>
335 <td valign="top"><a href="../www/command-line-options.html#endian">-endian <em class="option">type</em></a></td>
336 <td valign="top">endianness (MSB or LSB) of the image</td>
337 </tr>
338
339 <tr>
340 <td valign="top"><a href="../www/command-line-options.html#extract">-extract <em class="option">geometry</em></a></td>
341 <td valign="top">extract area from image</td>
342 </tr>
343
344 <tr>
345 <td valign="top"><a href="../www/command-line-options.html#filter">-filter <em class="option">type</em></a></td>
346 <td valign="top">use this filter when resizing an image</td>
347 </tr>
348
349 <tr>
350 <td valign="top"><a href="../www/command-line-options.html#font">-font <em class="option">name</em></a></td>
351 <td valign="top">render text with this font</td>
352 </tr>
353
354 <tr>
355 <td valign="top"><a href="../www/command-line-options.html#geometry">-geometry <em class="option">geometry</em></a></td>
356 <td valign="top">preferred size or location of the image</td>
357 </tr>
358
359 <tr>
360 <td valign="top"><a href="../www/command-line-options.html#gravity">-gravity <em class="option">type</em></a></td>
361 <td valign="top">horizontal and vertical text placement</td>
362 </tr>
363
364 <tr>
365 <td valign="top"><a href="../www/command-line-options.html#green-primary">-green-primary <em class="option">point</em></a></td>
366 <td valign="top">chromaticity green primary point</td>
367 </tr>
368
369 <tr>
370 <td valign="top"><a href="../www/command-line-options.html#help">-help</a></td>
371 <td valign="top">print program options</td>
372 </tr>
373
374 <tr>
375 <td valign="top"><a href="../www/command-line-options.html#identify">-identify</a></td>
376 <td valign="top">identify the format and characteristics of the image</td>
377 </tr>
378
379 <tr>
380 <td valign="top"><a href="../www/command-line-options.html#interlace">-interlace <em class="option">type</em></a></td>
381 <td valign="top">type of image interlacing scheme</td>
382 </tr>
383
384 <tr>
385 <td valign="top"><a href="../www/command-line-options.html#interpolate">-interpolate <em class="option">method</em></a></td>
386 <td valign="top">pixel color interpolation method</td>
387 </tr>
388
389 <tr>
390 <td valign="top"><a href="../www/command-line-options.html#label">-label <em class="option">string</em></a></td>
391 <td valign="top">assign a label to an image</td>
392 </tr>
393
394 <tr>
395 <td valign="top"><a href="../www/command-line-options.html#level">-level <em class="option">value</em></a></td>
396 <td valign="top">adjust the level of image contrast</td>
397 </tr>
398
399 <tr>
400 <td valign="top"><a href="../www/command-line-options.html#limit">-limit <em class="option">type value</em></a></td>
401 <td valign="top">pixel cache resource limit</td>
402 </tr>
403
404 <tr>
405 <td valign="top"><a href="../www/command-line-options.html#log">-log <em class="option">format</em></a></td>
406 <td valign="top">format of debugging information</td>
407 </tr>
408
409 <tr>
410 <td valign="top"><a href="../www/command-line-options.html#monitor">-monitor</a></td>
411 <td valign="top">monitor progress</td>
412 </tr>
413
414 <tr>
415 <td valign="top"><a href="../www/command-line-options.html#monochrome">-monochrome</a></td>
416 <td valign="top">transform image to black and white</td>
417 </tr>
418
419 <tr>
420 <td valign="top"><a href="../www/command-line-options.html#negate">-negate</a></td>
cristyb29bc032010-02-01 20:29:43 +0000[diff] [blame]421 <td valign="top">replace each pixel with its complementary color </td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]422 </tr>
423
424 <tr>
425 <td valign="top"><a href="../www/command-line-options.html#page">-page <em class="option">geometry</em></a></td>
426 <td valign="top">size and location of an image canvas (setting)</td>
427 </tr>
428
429 <tr>
430 <td valign="top"><a href="../www/command-line-options.html#pointsize">-pointsize <em class="option">value</em></a></td>
431 <td valign="top">font point size</td>
432 </tr>
433
434 <tr>
435 <td valign="top"><a href="../www/command-line-options.html#profile">-profile <em class="option">filename</em></a></td>
436 <td valign="top">add, delete, or apply an image profile</td>
437 </tr>
438
439 <tr>
440 <td valign="top"><a href="../www/command-line-options.html#quality">-quality <em class="option">value</em></a></td>
441 <td valign="top">JPEG/MIFF/PNG compression level</td>
442 </tr>
443
444 <tr>
445 <td valign="top"><a href="../www/command-line-options.html#quantize">-quantize <em class="option">colorspace</em></a></td>
446 <td valign="top">reduce image colors in this colorspace</td>
447 </tr>
448
449 <tr>
450 <td valign="top"><a href="../www/command-line-options.html#quiet">-quiet</a></td>
451 <td valign="top">suppress all warning messages</td>
452 </tr>
453
454 <tr>
455 <td valign="top"><a href="../www/command-line-options.html#red-primary">-red-primary <em class="option">point</em></a></td>
456 <td valign="top">chromaticity red primary point</td>
457 </tr>
458
459 <tr>
460 <td valign="top"><a href="../www/command-line-options.html#regard-warnings">-regard-warnings</a></td>
461 <td valign="top">pay attention to warning messages.</td>
462 </tr>
463
464 <tr>
465 <td valign="top"><a href="../www/command-line-options.html#respect-parentheses">-respect-parentheses</a></td>
466 <td valign="top">settings remain in effect until parenthesis boundary.</td>
467 </tr>
468
469 <tr>
470 <td valign="top"><a href="../www/command-line-options.html#rotate">-rotate <em class="option">degrees</em></a></td>
471 <td valign="top">apply Paeth rotation to the image</td>
472 </tr>
473
474 <tr>
475 <td valign="top"><a href="../www/command-line-options.html#sampling-factor">-sampling-factor <em class="option">geometry</em></a></td>
476 <td valign="top">horizontal and vertical sampling factor</td>
477 </tr>
478
479 <tr>
480 <td valign="top"><a href="../www/command-line-options.html#scene">-scene <em class="option">value</em></a></td>
481 <td valign="top">image scene number</td>
482 </tr>
483
484 <tr>
485 <td valign="top"><a href="../www/command-line-options.html#seed">-seed <em class="option">value</em></a></td>
486 <td valign="top">seed a new sequence of pseudo-random numbers</td>
487 </tr>
488
489 <tr>
490 <td valign="top"><a href="../www/command-line-options.html#set">-set <em class="option">attribute value</em></a></td>
491 <td valign="top">set an image attribute</td>
492 </tr>
493
494 <tr>
495 <td valign="top"><a href="../www/command-line-options.html#sharpen">-sharpen <em class="option">geometry</em></a></td>
496 <td valign="top">sharpen the image</td>
497 </tr>
498
499 <tr>
500 <td valign="top"><a href="../www/command-line-options.html#shave">-shave <em class="option">geometry</em></a></td>
501 <td valign="top">shave pixels from the image edges</td>
502 </tr>
503
504 <tr>
505 <td valign="top"><a href="../www/command-line-options.html#size">-size <em class="option">geometry</em></a></td>
506 <td valign="top">width and height of image</td>
507 </tr>
508
509 <tr>
510 <td valign="top"><a href="../www/command-line-options.html#stegano">-stegano <em>offset</em></a></td>
511 <td valign="top">hide watermark within an image</td>
512 </tr>
513
514 <tr>
515 <td valign="top"><a href="../www/command-line-options.html#stereo">-stereo <em class="option">geometry</em></a></td>
516 <td valign="top">combine two image to create a stereo anaglyph</td>
517 </tr>
518
519 <tr>
520 <td valign="top"><a href="../www/command-line-options.html#strip">-strip</a></td>
521 <td valign="top">strip image of all profiles and comments</td>
522 </tr>
523
524 <tr>
525 <td valign="top"><a href="../www/command-line-options.html#swap">-swap <em class="option">indexes</em></a></td>
526 <td valign="top">swap two images in the image sequence</td>
527 </tr>
528
529 <tr>
530 <td valign="top"><a href="../www/command-line-options.html#thumbnail">-thumbnail <em class="option">geometry</em></a></td>
531 <td valign="top">create a thumbnail of the image</td>
532 </tr>
533
534 <tr>
535 <td valign="top"><a href="../www/command-line-options.html#tile">-tile</a></td>
536 <td valign="top">repeat composite operation across and down image</td>
537 </tr>
538
539 <tr>
540 <td valign="top"><a href="../www/command-line-options.html#transform">-transform</a></td>
541 <td valign="top">affine transform image</td>
542 </tr>
543
544 <tr>
545 <td valign="top"><a href="../www/command-line-options.html#transparent-color">-transparent-color <em class="option">color</em></a></td>
546 <td valign="top">transparent color</td>
547 </tr>
548
549 <tr>
550 <td valign="top"><a href="../www/command-line-options.html#treedepth">-treedepth <em class="option">value</em></a></td>
551 <td valign="top">color tree depth</td>
552 </tr>
553
554 <tr>
555 <td valign="top"><a href="../www/command-line-options.html#type">-type <em class="option">type</em></a></td>
556 <td valign="top">image type</td>
557 </tr>
558
559 <tr>
560 <td valign="top"><a href="../www/command-line-options.html#units">-units <em class="option">type</em></a></td>
561 <td valign="top">the units of image resolution</td>
562 </tr>
563
564 <tr>
565 <td valign="top"><a href="../www/command-line-options.html#unsharp">-unsharp <em class="option">geometry</em></a></td>
566 <td valign="top">sharpen the image</td>
567 </tr>
568
569 <tr>
570 <td valign="top"><a href="../www/command-line-options.html#verbose">-verbose</a></td>
571 <td valign="top">print detailed information about the image</td>
572 </tr>
573
574 <tr>
575 <td valign="top"><a href="../www/command-line-options.html#version">-version</a></td>
576 <td valign="top">print version information</td>
577 </tr>
578
579 <tr>
580 <td valign="top"><a href="../www/command-line-options.html#virtual-pixel">-virtual-pixel <em class="option">method</em></a></td>
581 <td valign="top">access method for pixels outside the boundaries of the image</td>
582 </tr>
583
584 <tr>
585 <td valign="top"><a href="../www/command-line-options.html#watermark">-watermark <em class="option">geometry</em></a></td>
586 <td valign="top">percent brightness and saturation of a watermark</td>
587 </tr>
588
589 <tr>
590 <td valign="top"><a href="../www/command-line-options.html#white-point">-white-point <em class="option">point</em></a></td>
591 <td valign="top">chromaticity white point</td>
592 </tr>
593
594 <tr>
595 <td valign="top"><a href="../www/command-line-options.html#white-threshold">-white-threshold <em class="option">value</em></a></td>
596 <td valign="top">force all pixels above the threshold into white</td>
597 </tr>
598
599 <tr>
600 <td valign="top"><a href="../www/command-line-options.html#write">-write <em class="option">filename</em></a></td>
601 <td valign="top">write images to this file</td>
602 </tr>
603
604 </tbody>
605</table>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]606
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