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154
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158
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]159<p class="navigation-index">[<a href="#usage">Example Usage</a> &bull; <a href="#options">Option Summary</a>]</p>
160
161<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>
162
163<div style="margin: auto;">
164 <h2><a name="usage"></a>Example Usage</h2>
165</div>
166
167<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>
168
169<p class='crt'><span class="crtprompt"> $magick&gt; </span><span class='crtin'>composite -gravity center smile.gif rose: rose-over.png</span></p>
170<div class="image">
171<p>
172 <a href="../images/smile.gif"><img src="../images/smile.gif" width="48" height="48" alt="smile" /></a>
173 <img src="../images/over.gif" width="56" height="46" alt="over" />
174 <a href="../images/rose.jpg"><img src="../images/rose.jpg" width="70" height="46" alt="rose" /></a>
175 <img style="margin-top:13px; margin-bottom:13px;" src="../images/right.gif" width="20" height="20" alt="==>" />
176 <a href="../images/rose-over.png"><img src="../images/rose-over.png" width="70" height="46" alt="rose" /></a>
177</p>
178</div>
179
180<p>You can create three-dimensional effect with the <em>Atop</em>:</p>
181
182<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/>
183 -channel A -gaussian 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>
184
185<div class="image">
186<p>
187 <a href="../images/white-highlight.png"><img src="../images/white-highlight.png" width="70" height="70" alt="white highlight" /></a>
188 <img src="../images/atop.gif" width="56" height="70" alt="atop" />
189 <a href="../images/red-circle.png"><img src="../images/red-circle.png" width="70" height="70" alt="red circle" /></a>
190 <img style="margin-top:25px; margin-bottom:25px;" src="../images/right.gif" width="20" height="20" alt="==>" />
191 <a href="../images/red-ball.png"><img src="../images/red-ball.png" width="70" height="70" alt="red ball" /></a>
192</p>
193</div>
194
195<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>
196
197<div style="margin: auto;">
198 <h2><a name="options"></a>Option Summary</h2>
199</div>
200
201<p>The <kbd>composite</kbd> command recognizes these options. Click on an option to get more details about how that option works.</p>
202
203<table class="doc">
204 <tbody>
205 <tr>
206 <th align="left">Option</th>
207 <th align="left">Description</th>
208 </tr>
209
210 <tr>
211 <td valign="top"><a href="../www/command-line-options.html#affine">-affine <em class="option">matrix</em></a></td>
212 <td valign="top">affine transform matrix</td>
213 </tr>
214
215 <tr>
216 <td valign="top"><a href="../www/command-line-options.html#alpha">-alpha</a></td>
217 <td valign="top">on, activate, off, deactivate, set, opaque, copy",
218transparent, extract, background, or shape the alpha channel</td>
219 </tr>
220
221 <tr>
222 <td valign="top"><a href="../www/command-line-options.html#authenticate">-authenticate <em class="option">value</em></a></td>
223 <td valign="top">decrypt image with this password</td>
224 </tr>
225
226 <tr>
227 <td valign="top"><a href="../www/command-line-options.html#blend">-blend <em class="option">geometry</em></a></td>
228 <td valign="top">blend images</td>
229 </tr>
230
231 <tr>
232 <td valign="top"><a href="../www/command-line-options.html#blue-primary">-blue-primary <em class="option">point</em></a></td>
233 <td valign="top">chromaticity blue primary point</td>
234 </tr>
235
236
237 <tr>
238 <td valign="top"><a href="../www/command-line-options.html#border">-border <em class="option">geometry</em></a></td>
239 <td valign="top">surround image with a border of color</td>
240 </tr>
241
242 <tr>
243 <td valign="top"><a href="../www/command-line-options.html#bordercolor">-bordercolor <em class="option">color</em></a></td>
244 <td valign="top">border color</td>
245 </tr>
246
247 <tr>
248 <td valign="top"><a href="../www/command-line-options.html#channel">-channel <em class="option">type</em></a></td>
249 <td valign="top">apply option to select image channels</td>
250 </tr>
251
252 <tr>
253 <td valign="top"><a href="../www/command-line-options.html#colors">-colors <em class="option">value</em></a></td>
254 <td valign="top">preferred number of colors in the image</td>
255 </tr>
256
257 <tr>
258 <td valign="top"><a href="../www/command-line-options.html#colorspace">-colorspace <em class="option">type</em></a></td>
259 <td valign="top">set image colorspace</td>
260 </tr>
261
262 <tr>
263 <td valign="top"><a href="../www/command-line-options.html#comment">-comment <em class="option">string</em></a></td>
264 <td valign="top">annotate image with comment</td>
265 </tr>
266
267 <tr>
268 <td valign="top"><a href="../www/command-line-options.html#compose">-compose <em class="option">operator</em></a></td>
269 <td valign="top">set image composite operator</td>
270 </tr>
271
272 <tr>
273 <td valign="top"><a href="../www/command-line-options.html#compress">-compress <em class="option">type</em></a></td>
274 <td valign="top">image compression type</td>
275 </tr>
276
277 <tr>
278 <td valign="top"><a href="../www/command-line-options.html#debug">-debug <em class="option">events</em></a></td>
279 <td valign="top">display copious debugging information</td>
280 </tr>
281
282 <tr>
283 <td valign="top"><a href="../www/command-line-options.html#decipher">-decipher <em class="option">filename</em></a></td>
284 <td valign="top">convert cipher pixels to plain</td>
285 </tr>
286
287 <tr>
288 <td valign="top"><a href="../www/command-line-options.html#define">-define <em class="option">format:option</em></a></td>
289 <td valign="top">define one or more image format options</td>
290 </tr>
291
292 <tr>
293 <td valign="top"><a href="../www/command-line-options.html#density">-density <em class="option">geometry</em></a></td>
294 <td valign="top">horizontal and vertical density of the image</td>
295 </tr>
296
297 <tr>
298 <td valign="top"><a href="../www/command-line-options.html#depth">-depth <em class="option">value</em></a></td>
299 <td valign="top">image depth</td>
300 </tr>
301
302 <tr>
303 <td valign="top"><a href="../www/command-line-options.html#displace">-displace <em class="option">geometry</em></a></td>
304 <td valign="top">shift image pixels defined by a displacement map</td>
305 </tr>
306
307 <tr>
308 <td valign="top"><a href="../www/command-line-options.html#dissolve">-dissolve <em class="option">value</em></a></td>
309 <td valign="top">dissolve the two images a given percent</td>
310 </tr>
311
312 <tr>
313 <td valign="top"><a href="../www/command-line-options.html#dither">-dither <em class="option">method</em></a></td>
314 <td valign="top">apply error diffusion to image</td>
315 </tr>
316
317 <tr>
318 <td valign="top"><a href="../www/command-line-options.html#encipher">-encipher <em class="option">filename</em></a></td>
319 <td valign="top">convert plain pixels to cipher pixels</td>
320 </tr>
321
322 <tr>
323 <td valign="top"><a href="../www/command-line-options.html#encoding">-encoding <em class="option">type</em></a></td>
324 <td valign="top">text encoding type</td>
325 </tr>
326
327 <tr>
328 <td valign="top"><a href="../www/command-line-options.html#endian">-endian <em class="option">type</em></a></td>
329 <td valign="top">endianness (MSB or LSB) of the image</td>
330 </tr>
331
332 <tr>
333 <td valign="top"><a href="../www/command-line-options.html#extract">-extract <em class="option">geometry</em></a></td>
334 <td valign="top">extract area from image</td>
335 </tr>
336
337 <tr>
338 <td valign="top"><a href="../www/command-line-options.html#filter">-filter <em class="option">type</em></a></td>
339 <td valign="top">use this filter when resizing an image</td>
340 </tr>
341
342 <tr>
343 <td valign="top"><a href="../www/command-line-options.html#font">-font <em class="option">name</em></a></td>
344 <td valign="top">render text with this font</td>
345 </tr>
346
347 <tr>
348 <td valign="top"><a href="../www/command-line-options.html#geometry">-geometry <em class="option">geometry</em></a></td>
349 <td valign="top">preferred size or location of the image</td>
350 </tr>
351
352 <tr>
353 <td valign="top"><a href="../www/command-line-options.html#gravity">-gravity <em class="option">type</em></a></td>
354 <td valign="top">horizontal and vertical text placement</td>
355 </tr>
356
357 <tr>
358 <td valign="top"><a href="../www/command-line-options.html#green-primary">-green-primary <em class="option">point</em></a></td>
359 <td valign="top">chromaticity green primary point</td>
360 </tr>
361
362 <tr>
363 <td valign="top"><a href="../www/command-line-options.html#help">-help</a></td>
364 <td valign="top">print program options</td>
365 </tr>
366
367 <tr>
368 <td valign="top"><a href="../www/command-line-options.html#identify">-identify</a></td>
369 <td valign="top">identify the format and characteristics of the image</td>
370 </tr>
371
372 <tr>
373 <td valign="top"><a href="../www/command-line-options.html#interlace">-interlace <em class="option">type</em></a></td>
374 <td valign="top">type of image interlacing scheme</td>
375 </tr>
376
377 <tr>
378 <td valign="top"><a href="../www/command-line-options.html#interpolate">-interpolate <em class="option">method</em></a></td>
379 <td valign="top">pixel color interpolation method</td>
380 </tr>
381
382 <tr>
383 <td valign="top"><a href="../www/command-line-options.html#label">-label <em class="option">string</em></a></td>
384 <td valign="top">assign a label to an image</td>
385 </tr>
386
387 <tr>
388 <td valign="top"><a href="../www/command-line-options.html#level">-level <em class="option">value</em></a></td>
389 <td valign="top">adjust the level of image contrast</td>
390 </tr>
391
392 <tr>
393 <td valign="top"><a href="../www/command-line-options.html#limit">-limit <em class="option">type value</em></a></td>
394 <td valign="top">pixel cache resource limit</td>
395 </tr>
396
397 <tr>
398 <td valign="top"><a href="../www/command-line-options.html#log">-log <em class="option">format</em></a></td>
399 <td valign="top">format of debugging information</td>
400 </tr>
401
402 <tr>
403 <td valign="top"><a href="../www/command-line-options.html#monitor">-monitor</a></td>
404 <td valign="top">monitor progress</td>
405 </tr>
406
407 <tr>
408 <td valign="top"><a href="../www/command-line-options.html#monochrome">-monochrome</a></td>
409 <td valign="top">transform image to black and white</td>
410 </tr>
411
412 <tr>
413 <td valign="top"><a href="../www/command-line-options.html#negate">-negate</a></td>
414 <td valign="top">replace every pixel with its complementary color </td>
415 </tr>
416
417 <tr>
418 <td valign="top"><a href="../www/command-line-options.html#page">-page <em class="option">geometry</em></a></td>
419 <td valign="top">size and location of an image canvas (setting)</td>
420 </tr>
421
422 <tr>
423 <td valign="top"><a href="../www/command-line-options.html#pointsize">-pointsize <em class="option">value</em></a></td>
424 <td valign="top">font point size</td>
425 </tr>
426
427 <tr>
428 <td valign="top"><a href="../www/command-line-options.html#profile">-profile <em class="option">filename</em></a></td>
429 <td valign="top">add, delete, or apply an image profile</td>
430 </tr>
431
432 <tr>
433 <td valign="top"><a href="../www/command-line-options.html#quality">-quality <em class="option">value</em></a></td>
434 <td valign="top">JPEG/MIFF/PNG compression level</td>
435 </tr>
436
437 <tr>
438 <td valign="top"><a href="../www/command-line-options.html#quantize">-quantize <em class="option">colorspace</em></a></td>
439 <td valign="top">reduce image colors in this colorspace</td>
440 </tr>
441
442 <tr>
443 <td valign="top"><a href="../www/command-line-options.html#quiet">-quiet</a></td>
444 <td valign="top">suppress all warning messages</td>
445 </tr>
446
447 <tr>
448 <td valign="top"><a href="../www/command-line-options.html#red-primary">-red-primary <em class="option">point</em></a></td>
449 <td valign="top">chromaticity red primary point</td>
450 </tr>
451
452 <tr>
453 <td valign="top"><a href="../www/command-line-options.html#regard-warnings">-regard-warnings</a></td>
454 <td valign="top">pay attention to warning messages.</td>
455 </tr>
456
457 <tr>
458 <td valign="top"><a href="../www/command-line-options.html#respect-parentheses">-respect-parentheses</a></td>
459 <td valign="top">settings remain in effect until parenthesis boundary.</td>
460 </tr>
461
462 <tr>
463 <td valign="top"><a href="../www/command-line-options.html#rotate">-rotate <em class="option">degrees</em></a></td>
464 <td valign="top">apply Paeth rotation to the image</td>
465 </tr>
466
467 <tr>
468 <td valign="top"><a href="../www/command-line-options.html#sampling-factor">-sampling-factor <em class="option">geometry</em></a></td>
469 <td valign="top">horizontal and vertical sampling factor</td>
470 </tr>
471
472 <tr>
473 <td valign="top"><a href="../www/command-line-options.html#scene">-scene <em class="option">value</em></a></td>
474 <td valign="top">image scene number</td>
475 </tr>
476
477 <tr>
478 <td valign="top"><a href="../www/command-line-options.html#seed">-seed <em class="option">value</em></a></td>
479 <td valign="top">seed a new sequence of pseudo-random numbers</td>
480 </tr>
481
482 <tr>
483 <td valign="top"><a href="../www/command-line-options.html#set">-set <em class="option">attribute value</em></a></td>
484 <td valign="top">set an image attribute</td>
485 </tr>
486
487 <tr>
488 <td valign="top"><a href="../www/command-line-options.html#sharpen">-sharpen <em class="option">geometry</em></a></td>
489 <td valign="top">sharpen the image</td>
490 </tr>
491
492 <tr>
493 <td valign="top"><a href="../www/command-line-options.html#shave">-shave <em class="option">geometry</em></a></td>
494 <td valign="top">shave pixels from the image edges</td>
495 </tr>
496
497 <tr>
498 <td valign="top"><a href="../www/command-line-options.html#size">-size <em class="option">geometry</em></a></td>
499 <td valign="top">width and height of image</td>
500 </tr>
501
502 <tr>
503 <td valign="top"><a href="../www/command-line-options.html#stegano">-stegano <em>offset</em></a></td>
504 <td valign="top">hide watermark within an image</td>
505 </tr>
506
507 <tr>
508 <td valign="top"><a href="../www/command-line-options.html#stereo">-stereo <em class="option">geometry</em></a></td>
509 <td valign="top">combine two image to create a stereo anaglyph</td>
510 </tr>
511
512 <tr>
513 <td valign="top"><a href="../www/command-line-options.html#strip">-strip</a></td>
514 <td valign="top">strip image of all profiles and comments</td>
515 </tr>
516
517 <tr>
518 <td valign="top"><a href="../www/command-line-options.html#swap">-swap <em class="option">indexes</em></a></td>
519 <td valign="top">swap two images in the image sequence</td>
520 </tr>
521
522 <tr>
523 <td valign="top"><a href="../www/command-line-options.html#thumbnail">-thumbnail <em class="option">geometry</em></a></td>
524 <td valign="top">create a thumbnail of the image</td>
525 </tr>
526
527 <tr>
528 <td valign="top"><a href="../www/command-line-options.html#tile">-tile</a></td>
529 <td valign="top">repeat composite operation across and down image</td>
530 </tr>
531
532 <tr>
533 <td valign="top"><a href="../www/command-line-options.html#transform">-transform</a></td>
534 <td valign="top">affine transform image</td>
535 </tr>
536
537 <tr>
538 <td valign="top"><a href="../www/command-line-options.html#transparent-color">-transparent-color <em class="option">color</em></a></td>
539 <td valign="top">transparent color</td>
540 </tr>
541
542 <tr>
543 <td valign="top"><a href="../www/command-line-options.html#treedepth">-treedepth <em class="option">value</em></a></td>
544 <td valign="top">color tree depth</td>
545 </tr>
546
547 <tr>
548 <td valign="top"><a href="../www/command-line-options.html#type">-type <em class="option">type</em></a></td>
549 <td valign="top">image type</td>
550 </tr>
551
552 <tr>
553 <td valign="top"><a href="../www/command-line-options.html#units">-units <em class="option">type</em></a></td>
554 <td valign="top">the units of image resolution</td>
555 </tr>
556
557 <tr>
558 <td valign="top"><a href="../www/command-line-options.html#unsharp">-unsharp <em class="option">geometry</em></a></td>
559 <td valign="top">sharpen the image</td>
560 </tr>
561
562 <tr>
563 <td valign="top"><a href="../www/command-line-options.html#verbose">-verbose</a></td>
564 <td valign="top">print detailed information about the image</td>
565 </tr>
566
567 <tr>
568 <td valign="top"><a href="../www/command-line-options.html#version">-version</a></td>
569 <td valign="top">print version information</td>
570 </tr>
571
572 <tr>
573 <td valign="top"><a href="../www/command-line-options.html#virtual-pixel">-virtual-pixel <em class="option">method</em></a></td>
574 <td valign="top">access method for pixels outside the boundaries of the image</td>
575 </tr>
576
577 <tr>
578 <td valign="top"><a href="../www/command-line-options.html#watermark">-watermark <em class="option">geometry</em></a></td>
579 <td valign="top">percent brightness and saturation of a watermark</td>
580 </tr>
581
582 <tr>
583 <td valign="top"><a href="../www/command-line-options.html#white-point">-white-point <em class="option">point</em></a></td>
584 <td valign="top">chromaticity white point</td>
585 </tr>
586
587 <tr>
588 <td valign="top"><a href="../www/command-line-options.html#white-threshold">-white-threshold <em class="option">value</em></a></td>
589 <td valign="top">force all pixels above the threshold into white</td>
590 </tr>
591
592 <tr>
593 <td valign="top"><a href="../www/command-line-options.html#write">-write <em class="option">filename</em></a></td>
594 <td valign="top">write images to this file</td>
595 </tr>
596
597 </tbody>
598</table>
cristyf3bb4782009-09-08 13:10:04 +0000[diff] [blame]599
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