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166 google_ad_slot = "0574824969"; 167 google_ad_width = 160; 168 google_ad_height = 600; 169 //--> 170 </script> 171 <script type="text/javascript" 172 src="http://pagead2.googlesyndication.com/pagead/show_ads.js"> 173 </script> 174</div> 175 176<div class="main"> 177 178<h1>ImageMagick Composite Command-line Tool</h1> 179<p class="navigation-index">[<a href="#usage">Example Usage</a> • <a href="#options">Option Summary</a>]</p> 180 181<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> 182 183<div style="margin: auto;"> 184 <h2><a id="usage"></a>Example Usage</h2> 185</div> 186 187<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> 188 189<p class='crt'><span class="crtprompt"> $magick> </span><span class='crtin'>composite -gravity center smile.gif rose: rose-over.png</span></p> 190<div class="image"> 191<p> 192 <a href="/images/smile.gif"><img src="/images/smile.gif" width="48" height="48" alt="smile" /></a> 193 <img src="/images/over.gif" width="56" height="46" alt="over" /> 194 <a href="/images/rose.jpg"><img src="/images/rose.jpg" width="70" height="46" alt="rose" /></a> 195 <img style="margin-top:13px; margin-bottom:13px;" src="/images/right.gif" width="20" height="20" alt="==>" /> 196 <a href="/images/rose-over.png"><img src="/images/rose-over.png" width="70" height="46" alt="rose" /></a> 197</p> 198</div> 199 200<p>You can create three-dimensional effect with the <em>Atop</em>:</p> 201 202<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/> 203 -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> 204 205<div class="image"> 206<p> 207 <a href="/images/white-highlight.png"><img src="/images/white-highlight.png" width="70" height="70" alt="white highlight" /></a> 208 <img src="/images/atop.gif" width="56" height="70" alt="atop" /> 209 <a href="/images/red-circle.png"><img src="/images/red-circle.png" width="70" height="70" alt="red circle" /></a> 210 <img style="margin-top:25px; margin-bottom:25px;" src="/images/right.gif" width="20" height="20" alt="==>" /> 211 <a href="/images/red-ball.png"><img src="/images/red-ball.png" width="70" height="70" alt="red ball" /></a> 212</p> 213</div> 214 215<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> 216 217<div style="margin: auto;"> 218 <h2><a id="options"></a>Option Summary</h2> 219</div> 220 221<p>The <kbd>composite</kbd> command recognizes these options. Click on an option to get more details about how that option works.</p> 222 223<table class="doc"> 224 <tbody> 225 <tr> 226 <th align="left">Option</th> 227 <th align="left">Description</th> 228 </tr> 229 230 <tr> 231 <td valign="top"><a href="/www/command-line-options.html#affine">-affine <em class="option">matrix</em></a></td> 232 <td valign="top">affine transform matrix</td> 233 </tr> 234 235 <tr> 236 <td valign="top"><a href="/www/command-line-options.html#alpha">-alpha</a></td> 237 <td valign="top">on, activate, off, deactivate, set, opaque, copy", 238transparent, extract, background, or shape the alpha channel</td> 239 </tr> 240 241 <tr> 242 <td valign="top"><a href="/www/command-line-options.html#authenticate">-authenticate <em class="option">value</em></a></td> 243 <td valign="top">decrypt image with this password</td> 244 </tr> 245 246 <tr> 247 <td valign="top"><a href="/www/command-line-options.html#blend">-blend <em class="option">geometry</em></a></td> 248 <td valign="top">blend images</td> 249 </tr> 250 251 <tr> 252 <td valign="top"><a href="/www/command-line-options.html#blue-primary">-blue-primary <em class="option">point</em></a></td> 253 <td valign="top">chromaticity blue primary point</td> 254 </tr> 255 256 257 <tr> 258 <td valign="top"><a href="/www/command-line-options.html#border">-border <em class="option">geometry</em></a></td> 259 <td valign="top">surround image with a border of color</td> 260 </tr> 261 262 <tr> 263 <td valign="top"><a href="/www/command-line-options.html#bordercolor">-bordercolor <em class="option">color</em></a></td> 264 <td valign="top">border color</td> 265 </tr> 266 267 <tr> 268 <td valign="top"><a href="/www/command-line-options.html#channel">-channel <em class="option">type</em></a></td> 269 <td valign="top">apply option to select image channels</td> 270 </tr> 271 272 <tr> 273 <td valign="top"><a href="/www/command-line-options.html#colors">-colors <em class="option">value</em></a></td> 274 <td valign="top">preferred number of colors in the image</td> 275 </tr> 276 277 <tr> 278 <td valign="top"><a href="/www/command-line-options.html#colorspace">-colorspace <em class="option">type</em></a></td> 279 <td valign="top">set image colorspace</td> 280 </tr> 281 282 <tr> 283 <td valign="top"><a href="/www/command-line-options.html#comment">-comment <em class="option">string</em></a></td> 284 <td valign="top">annotate image with comment</td> 285 </tr> 286 287 <tr> 288 <td valign="top"><a href="/www/command-line-options.html#compose">-compose <em class="option">operator</em></a></td> 289 <td valign="top">set image composite operator</td> 290 </tr> 291 292 <tr> 293 <td valign="top"><a href="/www/command-line-options.html#compress">-compress <em class="option">type</em></a></td> 294 <td valign="top">image compression type</td> 295 </tr> 296 297 <tr> 298 <td valign="top"><a href="/www/command-line-options.html#debug">-debug <em class="option">events</em></a></td> 299 <td valign="top">display copious debugging information</td> 300 </tr> 301 302 <tr> 303 <td valign="top"><a href="/www/command-line-options.html#decipher">-decipher <em class="option">filename</em></a></td> 304 <td valign="top">convert cipher pixels to plain</td> 305 </tr> 306 307 <tr> 308 <td valign="top"><a href="/www/command-line-options.html#define">-define <em class="option">format:option</em></a></td> 309 <td valign="top">define one or more image format options</td> 310 </tr> 311 312 <tr> 313 <td valign="top"><a href="/www/command-line-options.html#density">-density <em class="option">geometry</em></a></td> 314 <td valign="top">horizontal and vertical density of the image</td> 315 </tr> 316 317 <tr> 318 <td valign="top"><a href="/www/command-line-options.html#depth">-depth <em class="option">value</em></a></td> 319 <td valign="top">image depth</td> 320 </tr> 321 322 <tr> 323 <td valign="top"><a href="/www/command-line-options.html#displace">-displace <em class="option">geometry</em></a></td> 324 <td valign="top">shift image pixels defined by a displacement map</td> 325 </tr> 326 327 <tr> 328 <td valign="top"><a href="/www/command-line-options.html#dissolve">-dissolve <em class="option">value</em></a></td> 329 <td valign="top">dissolve the two images a given percent</td> 330 </tr> 331 332 <tr> 333 <td valign="top"><a href="/www/command-line-options.html#dither">-dither <em class="option">method</em></a></td> 334 <td valign="top">apply error diffusion to image</td> 335 </tr> 336 337 <tr> 338 <td valign="top"><a href="/www/command-line-options.html#encipher">-encipher <em class="option">filename</em></a></td> 339 <td valign="top">convert plain pixels to cipher pixels</td> 340 </tr> 341 342 <tr> 343 <td valign="top"><a href="/www/command-line-options.html#encoding">-encoding <em class="option">type</em></a></td> 344 <td valign="top">text encoding type</td> 345 </tr> 346 347 <tr> 348 <td valign="top"><a href="/www/command-line-options.html#endian">-endian <em class="option">type</em></a></td> 349 <td valign="top">endianness (MSB or LSB) of the image</td> 350 </tr> 351 352 <tr> 353 <td valign="top"><a href="/www/command-line-options.html#extract">-extract <em class="option">geometry</em></a></td> 354 <td valign="top">extract area from image</td> 355 </tr> 356 357 <tr> 358 <td valign="top"><a href="/www/command-line-options.html#filter">-filter <em class="option">type</em></a></td> 359 <td valign="top">use this filter when resizing an image</td> 360 </tr> 361 362 <tr> 363 <td valign="top"><a href="/www/command-line-options.html#font">-font <em class="option">name</em></a></td> 364 <td valign="top">render text with this font</td> 365 </tr> 366 367 <tr> 368 <td valign="top"><a href="/www/command-line-options.html#geometry">-geometry <em class="option">geometry</em></a></td> 369 <td valign="top">preferred size or location of the image</td> 370 </tr> 371 372 <tr> 373 <td valign="top"><a href="/www/command-line-options.html#gravity">-gravity <em class="option">type</em></a></td> 374 <td valign="top">horizontal and vertical text placement</td> 375 </tr> 376 377 <tr> 378 <td valign="top"><a href="/www/command-line-options.html#green-primary">-green-primary <em class="option">point</em></a></td> 379 <td valign="top">chromaticity green primary point</td> 380 </tr> 381 382 <tr> 383 <td valign="top"><a href="/www/command-line-options.html#help">-help</a></td> 384 <td valign="top">print program options</td> 385 </tr> 386 387 <tr> 388 <td valign="top"><a href="/www/command-line-options.html#identify">-identify</a></td> 389 <td valign="top">identify the format and characteristics of the image</td> 390 </tr> 391 392 <tr> 393 <td valign="top"><a href="/www/command-line-options.html#interlace">-interlace <em class="option">type</em></a></td> 394 <td valign="top">type of image interlacing scheme</td> 395 </tr> 396 397 <tr> 398 <td valign="top"><a href="/www/command-line-options.html#interpolate">-interpolate <em class="option">method</em></a></td> 399 <td valign="top">pixel color interpolation method</td> 400 </tr> 401 402 <tr> 403 <td valign="top"><a href="/www/command-line-options.html#label">-label <em class="option">string</em></a></td> 404 <td valign="top">assign a label to an image</td> 405 </tr> 406 407 <tr> 408 <td valign="top"><a href="/www/command-line-options.html#level">-level <em class="option">value</em></a></td> 409 <td valign="top">adjust the level of image contrast</td> 410 </tr> 411 412 <tr> 413 <td valign="top"><a href="/www/command-line-options.html#limit">-limit <em class="option">type value</em></a></td> 414 <td valign="top">pixel cache resource limit</td> 415 </tr> 416 417 <tr> 418 <td valign="top"><a href="/www/command-line-options.html#log">-log <em class="option">format</em></a></td> 419 <td valign="top">format of debugging information</td> 420 </tr> 421 422 <tr> 423 <td valign="top"><a href="/www/command-line-options.html#monitor">-monitor</a></td> 424 <td valign="top">monitor progress</td> 425 </tr> 426 427 <tr> 428 <td valign="top"><a href="/www/command-line-options.html#monochrome">-monochrome</a></td> 429 <td valign="top">transform image to black and white</td> 430 </tr> 431 432 <tr> 433 <td valign="top"><a href="/www/command-line-options.html#negate">-negate</a></td> 434 <td valign="top">replace each pixel with its complementary color </td> 435 </tr> 436 437 <tr> 438 <td valign="top"><a href="/www/command-line-options.html#page">-page <em class="option">geometry</em></a></td> 439 <td valign="top">size and location of an image canvas (setting)</td> 440 </tr> 441 442 <tr> 443 <td valign="top"><a href="/www/command-line-options.html#pointsize">-pointsize <em class="option">value</em></a></td> 444 <td valign="top">font point size</td> 445 </tr> 446 447 <tr> 448 <td valign="top"><a href="/www/command-line-options.html#profile">-profile <em class="option">filename</em></a></td> 449 <td valign="top">add, delete, or apply an image profile</td> 450 </tr> 451 452 <tr> 453 <td valign="top"><a href="/www/command-line-options.html#quality">-quality <em class="option">value</em></a></td> 454 <td valign="top">JPEG/MIFF/PNG compression level</td> 455 </tr> 456 457 <tr> 458 <td valign="top"><a href="/www/command-line-options.html#quantize">-quantize <em class="option">colorspace</em></a></td> 459 <td valign="top">reduce image colors in this colorspace</td> 460 </tr> 461 462 <tr> 463 <td valign="top"><a href="/www/command-line-options.html#quiet">-quiet</a></td> 464 <td valign="top">suppress all warning messages</td> 465 </tr> 466 467 <tr> 468 <td valign="top"><a href="/www/command-line-options.html#red-primary">-red-primary <em class="option">point</em></a></td> 469 <td valign="top">chromaticity red primary point</td> 470 </tr> 471 472 <tr> 473 <td valign="top"><a href="/www/command-line-options.html#regard-warnings">-regard-warnings</a></td> 474 <td valign="top">pay attention to warning messages.</td> 475 </tr> 476 477 <tr> 478 <td valign="top"><a href="/www/command-line-options.html#respect-parentheses">-respect-parentheses</a></td> 479 <td valign="top">settings remain in effect until parenthesis boundary.</td> 480 </tr> 481 482 <tr> 483 <td valign="top"><a href="/www/command-line-options.html#rotate">-rotate <em class="option">degrees</em></a></td> 484 <td valign="top">apply Paeth rotation to the image</td> 485 </tr> 486 487 <tr> 488 <td valign="top"><a href="/www/command-line-options.html#sampling-factor">-sampling-factor <em class="option">geometry</em></a></td> 489 <td valign="top">horizontal and vertical sampling factor</td> 490 </tr> 491 492 <tr> 493 <td valign="top"><a href="/www/command-line-options.html#scene">-scene <em class="option">value</em></a></td> 494 <td valign="top">image scene number</td> 495 </tr> 496 497 <tr> 498 <td valign="top"><a href="/www/command-line-options.html#seed">-seed <em class="option">value</em></a></td> 499 <td valign="top">seed a new sequence of pseudo-random numbers</td> 500 </tr> 501 502 <tr> 503 <td valign="top"><a href="/www/command-line-options.html#set">-set <em class="option">attribute value</em></a></td> 504 <td valign="top">set an image attribute</td> 505 </tr> 506 507 <tr> 508 <td valign="top"><a href="/www/command-line-options.html#sharpen">-sharpen <em class="option">geometry</em></a></td> 509 <td valign="top">sharpen the image</td> 510 </tr> 511 512 <tr> 513 <td valign="top"><a href="/www/command-line-options.html#shave">-shave <em class="option">geometry</em></a></td> 514 <td valign="top">shave pixels from the image edges</td> 515 </tr> 516 517 <tr> 518 <td valign="top"><a href="/www/command-line-options.html#size">-size <em class="option">geometry</em></a></td> 519 <td valign="top">width and height of image</td> 520 </tr> 521 522 <tr> 523 <td valign="top"><a href="/www/command-line-options.html#stegano">-stegano <em>offset</em></a></td> 524 <td valign="top">hide watermark within an image</td> 525 </tr> 526 527 <tr> 528 <td valign="top"><a href="/www/command-line-options.html#stereo">-stereo <em class="option">geometry</em></a></td> 529 <td valign="top">combine two image to create a stereo anaglyph</td> 530 </tr> 531 532 <tr> 533 <td valign="top"><a href="/www/command-line-options.html#strip">-strip</a></td> 534 <td valign="top">strip image of all profiles and comments</td> 535 </tr> 536 537 <tr> 538 <td valign="top"><a href="/www/command-line-options.html#swap">-swap <em class="option">indexes</em></a></td> 539 <td valign="top">swap two images in the image sequence</td> 540 </tr> 541 542 <tr> 543 <td valign="top"><a href="/www/command-line-options.html#synchronize">-synchronize</a></td> 544 <td valign="top">synchronize image to storage device</td> 545 </tr> 546 547 <tr> 548 <td valign="top"><a href="/www/command-line-options.html#taint">-taint</a></td> 549 <td valign="top">mark the image as modified</td> 550 </tr> 551 552 <tr> 553 <td valign="top"><a href="/www/command-line-options.html#thumbnail">-thumbnail <em class="option">geometry</em></a></td> 554 <td valign="top">create a thumbnail of the image</td> 555 </tr> 556 557 <tr> 558 <td valign="top"><a href="/www/command-line-options.html#tile">-tile</a></td> 559 <td valign="top">repeat composite operation across and down image</td> 560 </tr> 561 562 <tr> 563 <td valign="top"><a href="/www/command-line-options.html#transform">-transform</a></td> 564 <td valign="top">affine transform image</td> 565 </tr> 566 567 <tr> 568 <td valign="top"><a href="/www/command-line-options.html#transparent-color">-transparent-color <em class="option">color</em></a></td> 569 <td valign="top">transparent color</td> 570 </tr> 571 572 <tr> 573 <td valign="top"><a href="/www/command-line-options.html#treedepth">-treedepth <em class="option">value</em></a></td> 574 <td valign="top">color tree depth</td> 575 </tr> 576 577 <tr> 578 <td valign="top"><a href="/www/command-line-options.html#type">-type <em class="option">type</em></a></td> 579 <td valign="top">image type</td> 580 </tr> 581 582 <tr> 583 <td valign="top"><a href="/www/command-line-options.html#units">-units <em class="option">type</em></a></td> 584 <td valign="top">the units of image resolution</td> 585 </tr> 586 587 <tr> 588 <td valign="top"><a href="/www/command-line-options.html#unsharp">-unsharp <em class="option">geometry</em></a></td> 589 <td valign="top">sharpen the image</td> 590 </tr> 591 592 <tr> 593 <td valign="top"><a href="/www/command-line-options.html#verbose">-verbose</a></td> 594 <td valign="top">print detailed information about the image</td> 595 </tr> 596 597 <tr> 598 <td valign="top"><a href="/www/command-line-options.html#version">-version</a></td> 599 <td valign="top">print version information</td> 600 </tr> 601 602 <tr> 603 <td valign="top"><a href="/www/command-line-options.html#virtual-pixel">-virtual-pixel <em class="option">method</em></a></td> 604 <td valign="top">access method for pixels outside the boundaries of the image</td> 605 </tr> 606 607 <tr> 608 <td valign="top"><a href="/www/command-line-options.html#watermark">-watermark <em class="option">geometry</em></a></td> 609 <td valign="top">percent brightness and saturation of a watermark</td> 610 </tr> 611 612 <tr> 613 <td valign="top"><a href="/www/command-line-options.html#white-point">-white-point <em class="option">point</em></a></td> 614 <td valign="top">chromaticity white point</td> 615 </tr> 616 617 <tr> 618 <td valign="top"><a href="/www/command-line-options.html#white-threshold">-white-threshold <em class="option">value</em></a></td> 619 <td valign="top">force all pixels above the threshold into white</td> 620 </tr> 621 622 <tr> 623 <td valign="top"><a href="/www/command-line-options.html#write">-write <em class="option">filename</em></a></td> 624 <td valign="top">write images to this file</td> 625 </tr> 626 627 </tbody> 628</table> 629 630</div> 631 632<div id="linkbar"> 633 <span id="linkbar-west"> </span> 634 <span id="linkbar-center"> 635 <a href="http://www.imagemagick.org/discourse-server/">Discourse Server</a> • 636 <a href="http://www.imagemagick.org/MagickStudio/scripts/MagickStudio.cgi">Studio</a> 637 </span> 638 <span id="linkbar-east"> </span> 639 </div> 640 <div class="footer"> 641 <span id="footer-west">© 1999-2011 ImageMagick Studio LLC</span> 642 <span id="footer-east"> <a href="http://www.imagemagick.org/script/contact.php">Contact the Wizards</a></span> 643 </div> 644 <div style="clear: both; margin: 0; width: 100%; "></div> 645 <script type="text/javascript"> 646 var _gaq = _gaq || []; 647 _gaq.push(['_setAccount', 'UA-17690367-1']); 648 _gaq.push(['_trackPageview']); 649 650 (function() { 651 var ga = document.createElement('script'); ga.type = 'text/javascript'; 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