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170 google_ad_slot = "0574824969"; 171 google_ad_width = 160; 172 google_ad_height = 600; 173 //--> 174 </script> 175 <script type="text/javascript" 176 src="http://pagead2.googlesyndication.com/pagead/show_ads.js"> 177 </script> 178</div> 179 180<div class="main"> 181 182<h1>ImageMagick Composite Command-line Tool</h1> 183<p class="navigation-index">[<a href="#usage">Example Usage</a> • <a href="#options">Option Summary</a>]</p> 184 185<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> 186 187<div style="margin: auto;"> 188 <h2><a id="usage"></a>Example Usage</h2> 189</div> 190 191<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> 192 193<p class='crt'><span class="crtprompt"> $magick> </span><span class='crtin'>composite -gravity center smile.gif rose: rose-over.png</span></p> 194<div class="image"> 195<p> 196 <a href="/images/smile.gif"><img src="/images/smile.gif" width="48" height="48" alt="smile" /></a> 197 <img src="/images/over.gif" width="56" height="46" alt="over" /> 198 <a href="/images/rose.jpg"><img src="/images/rose.jpg" width="70" height="46" alt="rose" /></a> 199 <img style="margin-top:13px; margin-bottom:13px;" src="/images/right.gif" width="20" height="20" alt="==>" /> 200 <a href="/images/rose-over.png"><img src="/images/rose-over.png" width="70" height="46" alt="rose" /></a> 201</p> 202</div> 203 204<p>You can create three-dimensional effect with the <em>Atop</em>:</p> 205 206<p class='crt'><span class="crtprompt"> $magick> </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> </span><span class='crtin'>convert -size 70x70 xc:none -draw 'circle 35,35 35,20' -negate \ <br/> 207 -channel A -gaussian-blur 0x8 white-highlight.png</span><span class='crtout'></span><span class="crtprompt"> $magick> </span><span class='crtin'>composite -compose atop -geometry -13-17 white-highlight.png red-circle.png red-ball.png</span></p> 208 209<div class="image"> 210<p> 211 <a href="/images/white-highlight.png"><img src="/images/white-highlight.png" width="70" height="70" alt="white highlight" /></a> 212 <img src="/images/atop.gif" width="56" height="70" alt="atop" /> 213 <a href="/images/red-circle.png"><img src="/images/red-circle.png" width="70" height="70" alt="red circle" /></a> 214 <img style="margin-top:25px; margin-bottom:25px;" src="/images/right.gif" width="20" height="20" alt="==>" /> 215 <a href="/images/red-ball.png"><img src="/images/red-ball.png" width="70" height="70" alt="red ball" /></a> 216</p> 217</div> 218 219<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> 220 221<div style="margin: auto;"> 222 <h2><a id="options"></a>Option Summary</h2> 223</div> 224 225<p>The <kbd>composite</kbd> command recognizes these options. Click on an option to get more details about how that option works.</p> 226 227<table class="doc"> 228 <tbody> 229 <tr> 230 <th align="left">Option</th> 231 <th align="left">Description</th> 232 </tr> 233 234 <tr> 235 <td valign="top"><a href="/www/command-line-options.html#affine">-affine <em class="option">matrix</em></a></td> 236 <td valign="top">affine transform matrix</td> 237 </tr> 238 239 <tr> 240 <td valign="top"><a href="/www/command-line-options.html#alpha">-alpha</a></td> 241 <td valign="top">on, activate, off, deactivate, set, opaque, copy", 242transparent, extract, background, or shape the alpha channel</td> 243 </tr> 244 245 <tr> 246 <td valign="top"><a href="/www/command-line-options.html#authenticate">-authenticate <em class="option">value</em></a></td> 247 <td valign="top">decrypt image with this password</td> 248 </tr> 249 250 <tr> 251 <td valign="top"><a href="/www/command-line-options.html#blend">-blend <em class="option">geometry</em></a></td> 252 <td valign="top">blend images</td> 253 </tr> 254 255 <tr> 256 <td valign="top"><a href="/www/command-line-options.html#blue-primary">-blue-primary <em class="option">point</em></a></td> 257 <td valign="top">chromaticity blue primary point</td> 258 </tr> 259 260 261 <tr> 262 <td valign="top"><a href="/www/command-line-options.html#border">-border <em class="option">geometry</em></a></td> 263 <td valign="top">surround image with a border of color</td> 264 </tr> 265 266 <tr> 267 <td valign="top"><a href="/www/command-line-options.html#bordercolor">-bordercolor <em class="option">color</em></a></td> 268 <td valign="top">border color</td> 269 </tr> 270 271 <tr> 272 <td valign="top"><a href="/www/command-line-options.html#channel">-channel <em class="option">type</em></a></td> 273 <td valign="top">apply option to select image channels</td> 274 </tr> 275 276 <tr> 277 <td valign="top"><a href="/www/command-line-options.html#colors">-colors <em class="option">value</em></a></td> 278 <td valign="top">preferred number of colors in the image</td> 279 </tr> 280 281 <tr> 282 <td valign="top"><a href="/www/command-line-options.html#colorspace">-colorspace <em class="option">type</em></a></td> 283 <td valign="top">set image colorspace</td> 284 </tr> 285 286 <tr> 287 <td valign="top"><a href="/www/command-line-options.html#comment">-comment <em class="option">string</em></a></td> 288 <td valign="top">annotate image with comment</td> 289 </tr> 290 291 <tr> 292 <td valign="top"><a href="/www/command-line-options.html#compose">-compose <em class="option">operator</em></a></td> 293 <td valign="top">set image composite operator</td> 294 </tr> 295 296 <tr> 297 <td valign="top"><a href="/www/command-line-options.html#compress">-compress <em class="option">type</em></a></td> 298 <td valign="top">image compression type</td> 299 </tr> 300 301 <tr> 302 <td valign="top"><a href="/www/command-line-options.html#debug">-debug <em class="option">events</em></a></td> 303 <td valign="top">display copious debugging information</td> 304 </tr> 305 306 <tr> 307 <td valign="top"><a href="/www/command-line-options.html#decipher">-decipher <em class="option">filename</em></a></td> 308 <td valign="top">convert cipher pixels to plain</td> 309 </tr> 310 311 <tr> 312 <td valign="top"><a href="/www/command-line-options.html#define">-define <em class="option">format:option</em></a></td> 313 <td valign="top">define one or more image format options</td> 314 </tr> 315 316 <tr> 317 <td valign="top"><a href="/www/command-line-options.html#density">-density <em class="option">geometry</em></a></td> 318 <td valign="top">horizontal and vertical density of the image</td> 319 </tr> 320 321 <tr> 322 <td valign="top"><a href="/www/command-line-options.html#depth">-depth <em class="option">value</em></a></td> 323 <td valign="top">image depth</td> 324 </tr> 325 326 <tr> 327 <td valign="top"><a href="/www/command-line-options.html#displace">-displace <em class="option">geometry</em></a></td> 328 <td valign="top">shift image pixels defined by a displacement map</td> 329 </tr> 330 331 <tr> 332 <td valign="top"><a href="/www/command-line-options.html#dissolve">-dissolve <em class="option">value</em></a></td> 333 <td valign="top">dissolve the two images a given percent</td> 334 </tr> 335 336 <tr> 337 <td valign="top"><a href="/www/command-line-options.html#dither">-dither <em class="option">method</em></a></td> 338 <td valign="top">apply error diffusion to image</td> 339 </tr> 340 341 <tr> 342 <td valign="top"><a href="/www/command-line-options.html#encipher">-encipher <em class="option">filename</em></a></td> 343 <td valign="top">convert plain pixels to cipher pixels</td> 344 </tr> 345 346 <tr> 347 <td valign="top"><a href="/www/command-line-options.html#encoding">-encoding <em class="option">type</em></a></td> 348 <td valign="top">text encoding type</td> 349 </tr> 350 351 <tr> 352 <td valign="top"><a href="/www/command-line-options.html#endian">-endian <em class="option">type</em></a></td> 353 <td valign="top">endianness (MSB or LSB) of the image</td> 354 </tr> 355 356 <tr> 357 <td valign="top"><a href="/www/command-line-options.html#extract">-extract <em class="option">geometry</em></a></td> 358 <td valign="top">extract area from image</td> 359 </tr> 360 361 <tr> 362 <td valign="top"><a href="/www/command-line-options.html#filter">-filter <em class="option">type</em></a></td> 363 <td valign="top">use this filter when resizing an image</td> 364 </tr> 365 366 <tr> 367 <td valign="top"><a href="/www/command-line-options.html#font">-font <em class="option">name</em></a></td> 368 <td valign="top">render text with this font</td> 369 </tr> 370 371 <tr> 372 <td valign="top"><a href="/www/command-line-options.html#geometry">-geometry <em class="option">geometry</em></a></td> 373 <td valign="top">preferred size or location of the image</td> 374 </tr> 375 376 <tr> 377 <td valign="top"><a href="/www/command-line-options.html#gravity">-gravity <em class="option">type</em></a></td> 378 <td valign="top">horizontal and vertical text placement</td> 379 </tr> 380 381 <tr> 382 <td valign="top"><a href="/www/command-line-options.html#green-primary">-green-primary <em class="option">point</em></a></td> 383 <td valign="top">chromaticity green primary point</td> 384 </tr> 385 386 <tr> 387 <td valign="top"><a href="/www/command-line-options.html#help">-help</a></td> 388 <td valign="top">print program options</td> 389 </tr> 390 391 <tr> 392 <td valign="top"><a href="/www/command-line-options.html#identify">-identify</a></td> 393 <td valign="top">identify the format and characteristics of the image</td> 394 </tr> 395 396 <tr> 397 <td valign="top"><a href="/www/command-line-options.html#interlace">-interlace <em class="option">type</em></a></td> 398 <td valign="top">type of image interlacing scheme</td> 399 </tr> 400 401 <tr> 402 <td valign="top"><a href="/www/command-line-options.html#interpolate">-interpolate <em class="option">method</em></a></td> 403 <td valign="top">pixel color interpolation method</td> 404 </tr> 405 406 <tr> 407 <td valign="top"><a href="/www/command-line-options.html#label">-label <em class="option">string</em></a></td> 408 <td valign="top">assign a label to an image</td> 409 </tr> 410 411 <tr> 412 <td valign="top"><a href="/www/command-line-options.html#level">-level <em class="option">value</em></a></td> 413 <td valign="top">adjust the level of image contrast</td> 414 </tr> 415 416 <tr> 417 <td valign="top"><a href="/www/command-line-options.html#limit">-limit <em class="option">type value</em></a></td> 418 <td valign="top">pixel cache resource limit</td> 419 </tr> 420 421 <tr> 422 <td valign="top"><a href="/www/command-line-options.html#log">-log <em class="option">format</em></a></td> 423 <td valign="top">format of debugging information</td> 424 </tr> 425 426 <tr> 427 <td valign="top"><a href="/www/command-line-options.html#monitor">-monitor</a></td> 428 <td valign="top">monitor progress</td> 429 </tr> 430 431 <tr> 432 <td valign="top"><a href="/www/command-line-options.html#monochrome">-monochrome</a></td> 433 <td valign="top">transform image to black and white</td> 434 </tr> 435 436 <tr> 437 <td valign="top"><a href="/www/command-line-options.html#negate">-negate</a></td> 438 <td valign="top">replace each pixel with its complementary color </td> 439 </tr> 440 441 <tr> 442 <td valign="top"><a href="/www/command-line-options.html#page">-page <em class="option">geometry</em></a></td> 443 <td valign="top">size and location of an image canvas (setting)</td> 444 </tr> 445 446 <tr> 447 <td valign="top"><a href="/www/command-line-options.html#pointsize">-pointsize <em class="option">value</em></a></td> 448 <td valign="top">font point size</td> 449 </tr> 450 451 <tr> 452 <td valign="top"><a href="/www/command-line-options.html#profile">-profile <em class="option">filename</em></a></td> 453 <td valign="top">add, delete, or apply an image profile</td> 454 </tr> 455 456 <tr> 457 <td valign="top"><a href="/www/command-line-options.html#quality">-quality <em class="option">value</em></a></td> 458 <td valign="top">JPEG/MIFF/PNG compression level</td> 459 </tr> 460 461 <tr> 462 <td valign="top"><a href="/www/command-line-options.html#quantize">-quantize <em class="option">colorspace</em></a></td> 463 <td valign="top">reduce image colors in this colorspace</td> 464 </tr> 465 466 <tr> 467 <td valign="top"><a href="/www/command-line-options.html#quiet">-quiet</a></td> 468 <td valign="top">suppress all warning messages</td> 469 </tr> 470 471 <tr> 472 <td valign="top"><a href="/www/command-line-options.html#red-primary">-red-primary <em class="option">point</em></a></td> 473 <td valign="top">chromaticity red primary point</td> 474 </tr> 475 476 <tr> 477 <td valign="top"><a href="/www/command-line-options.html#regard-warnings">-regard-warnings</a></td> 478 <td valign="top">pay attention to warning messages.</td> 479 </tr> 480 481 <tr> 482 <td valign="top"><a href="/www/command-line-options.html#respect-parentheses">-respect-parentheses</a></td> 483 <td valign="top">settings remain in effect until parenthesis boundary.</td> 484 </tr> 485 486 <tr> 487 <td valign="top"><a href="/www/command-line-options.html#rotate">-rotate <em class="option">degrees</em></a></td> 488 <td valign="top">apply Paeth rotation to the image</td> 489 </tr> 490 491 <tr> 492 <td valign="top"><a href="/www/command-line-options.html#sampling-factor">-sampling-factor <em class="option">geometry</em></a></td> 493 <td valign="top">horizontal and vertical sampling factor</td> 494 </tr> 495 496 <tr> 497 <td valign="top"><a href="/www/command-line-options.html#scene">-scene <em class="option">value</em></a></td> 498 <td valign="top">image scene number</td> 499 </tr> 500 501 <tr> 502 <td valign="top"><a href="/www/command-line-options.html#seed">-seed <em class="option">value</em></a></td> 503 <td valign="top">seed a new sequence of pseudo-random numbers</td> 504 </tr> 505 506 <tr> 507 <td valign="top"><a href="/www/command-line-options.html#set">-set <em class="option">attribute value</em></a></td> 508 <td valign="top">set an image attribute</td> 509 </tr> 510 511 <tr> 512 <td valign="top"><a href="/www/command-line-options.html#sharpen">-sharpen <em class="option">geometry</em></a></td> 513 <td valign="top">sharpen the image</td> 514 </tr> 515 516 <tr> 517 <td valign="top"><a href="/www/command-line-options.html#shave">-shave <em class="option">geometry</em></a></td> 518 <td valign="top">shave pixels from the image edges</td> 519 </tr> 520 521 <tr> 522 <td valign="top"><a href="/www/command-line-options.html#size">-size <em class="option">geometry</em></a></td> 523 <td valign="top">width and height of image</td> 524 </tr> 525 526 <tr> 527 <td valign="top"><a href="/www/command-line-options.html#stegano">-stegano <em>offset</em></a></td> 528 <td valign="top">hide watermark within an image</td> 529 </tr> 530 531 <tr> 532 <td valign="top"><a href="/www/command-line-options.html#stereo">-stereo <em class="option">geometry</em></a></td> 533 <td valign="top">combine two image to create a stereo anaglyph</td> 534 </tr> 535 536 <tr> 537 <td valign="top"><a href="/www/command-line-options.html#strip">-strip</a></td> 538 <td valign="top">strip image of all profiles and comments</td> 539 </tr> 540 541 <tr> 542 <td valign="top"><a href="/www/command-line-options.html#swap">-swap <em class="option">indexes</em></a></td> 543 <td valign="top">swap two images in the image sequence</td> 544 </tr> 545 546 <tr> 547 <td valign="top"><a href="/www/command-line-options.html#synchronize">-synchronize</a></td> 548 <td valign="top">synchronize image to storage device</td> 549 </tr> 550 551 <tr> 552 <td valign="top"><a href="/www/command-line-options.html#taint">-taint</a></td> 553 <td valign="top">mark the image as modified</td> 554 </tr> 555 556 <tr> 557 <td valign="top"><a href="/www/command-line-options.html#thumbnail">-thumbnail <em class="option">geometry</em></a></td> 558 <td valign="top">create a thumbnail of the image</td> 559 </tr> 560 561 <tr> 562 <td valign="top"><a href="/www/command-line-options.html#tile">-tile</a></td> 563 <td valign="top">repeat composite operation across and down image</td> 564 </tr> 565 566 <tr> 567 <td valign="top"><a href="/www/command-line-options.html#transform">-transform</a></td> 568 <td valign="top">affine transform image</td> 569 </tr> 570 571 <tr> 572 <td valign="top"><a href="/www/command-line-options.html#transparent-color">-transparent-color <em class="option">color</em></a></td> 573 <td valign="top">transparent color</td> 574 </tr> 575 576 <tr> 577 <td valign="top"><a href="/www/command-line-options.html#treedepth">-treedepth <em class="option">value</em></a></td> 578 <td valign="top">color tree depth</td> 579 </tr> 580 581 <tr> 582 <td valign="top"><a href="/www/command-line-options.html#type">-type <em class="option">type</em></a></td> 583 <td valign="top">image type</td> 584 </tr> 585 586 <tr> 587 <td valign="top"><a href="/www/command-line-options.html#units">-units <em class="option">type</em></a></td> 588 <td valign="top">the units of image resolution</td> 589 </tr> 590 591 <tr> 592 <td valign="top"><a href="/www/command-line-options.html#unsharp">-unsharp <em class="option">geometry</em></a></td> 593 <td valign="top">sharpen the image</td> 594 </tr> 595 596 <tr> 597 <td valign="top"><a href="/www/command-line-options.html#verbose">-verbose</a></td> 598 <td valign="top">print detailed information about the image</td> 599 </tr> 600 601 <tr> 602 <td valign="top"><a href="/www/command-line-options.html#version">-version</a></td> 603 <td valign="top">print version information</td> 604 </tr> 605 606 <tr> 607 <td valign="top"><a href="/www/command-line-options.html#virtual-pixel">-virtual-pixel <em class="option">method</em></a></td> 608 <td valign="top">access method for pixels outside the boundaries of the image</td> 609 </tr> 610 611 <tr> 612 <td valign="top"><a href="/www/command-line-options.html#watermark">-watermark <em class="option">geometry</em></a></td> 613 <td valign="top">percent brightness and saturation of a watermark</td> 614 </tr> 615 616 <tr> 617 <td valign="top"><a href="/www/command-line-options.html#white-point">-white-point <em class="option">point</em></a></td> 618 <td valign="top">chromaticity white point</td> 619 </tr> 620 621 <tr> 622 <td valign="top"><a href="/www/command-line-options.html#white-threshold">-white-threshold <em class="option">value</em></a></td> 623 <td valign="top">force all pixels above the threshold into white</td> 624 </tr> 625 626 <tr> 627 <td valign="top"><a href="/www/command-line-options.html#write">-write <em class="option">filename</em></a></td> 628 <td valign="top">write images to this file</td> 629 </tr> 630 631 </tbody> 632</table> 633 634</div> 635 636<div id="linkbar"> 637 <span id="linkbar-west"> </span> 638 <span id="linkbar-center"> 639 <a href="http://www.imagemagick.org/discourse-server/">Discourse Server</a> • 640 <a href="http://www.imagemagick.org/MagickStudio/scripts/MagickStudio.cgi">Studio</a> 641 </span> 642 <span id="linkbar-east"> </span> 643 </div> 644 <div class="footer"> 645 <span id="footer-west">© 1999-2011 ImageMagick Studio LLC</span> 646 <span id="footer-east"> <a href="http://www.imagemagick.org/script/contact.php">Contact the Wizards</a></span> 647 </div> 648 <div style="clear: both; margin: 0; width: 100%; "></div> 649 <script type="text/javascript"> 650 var _gaq = _gaq || []; 651 _gaq.push(['_setAccount', 'UA-17690367-1']); 652 _gaq.push(['_trackPageview']); 653 654 (function() { 655 var ga = document.createElement('script'); ga.type = 'text/javascript'; 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