Files
2015-09-01 19:05:48 -04:00

205 lines
8.3 KiB
Plaintext

<!DOCTYPE html>
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<title>copy() | reference | Processing.js</title>
<link rel="stylesheet" href="../css/bootstrap.css" type="text/css" />
<link rel="stylesheet" href="../css/syntax.css" type="text/css" />
<link rel="stylesheet" href="../css/processing-js.css" type="text/css" />
<script src="../js/processing.min.js" type="text/javascript"></script>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.6.4/jquery.min.js" type="text/javascript"></script>
<script src="../js/jquery.tweet.min.js" type="text/javascript"></script>
<script src="../js/tabselector.js" type="text/javascript"></script>
<script src="http://cdn.webglstats.com/stat.js" defer="defer" async="async"></script>
<script type="text/javascript">
// Only do tracking on the actual site
if (document.location.host === "processingjs.org") {
var _gaq = _gaq || [];
_gaq.push(['_setAccount', 'UA-8565070-1']);
_gaq.push(['_trackPageview']);
(function() {
var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
}());
}
</script>
</head>
<body>
<div class="container">
<div class="header">
<a href="http://processingjs.org/"><img src="../images/header.png" width="177" height="42"></a>
</div>
<span class="tagline">a port of the Processing Visualization Language</span>
<div class="navbar">
<canvas width="940px" height="78px" data-processing-sources="/sketches/bannerSketch.pde"></canvas>
<ul>
<li><a href="http://processingjs.org/"><span>home</span></a></li>
<li><a href="http://processingjs.org/download/"><span>download</span></a></li>
<li><a href="index.html"><span>reference</span></a></li>
<li><a href="http://processingjs.org/exhibition/"><span>exhibition</span></a></li>
<li><a href="http://processingjs.org/learning/"><span>learning</span></a></li>
<li><a href="http://processingjs.org/articles/"><span>articles</span></a></li>
<li><a href="http://processingjs.org/community/"><span>community</span></a></li>
<li><a href="http://processingjs.org/blog/"><span>blog</span></a></li>
</ul>
<a class="viewsource" href="http://processingjs.org/sketches/bannerSketch.pde">view source</a>
</div>
<div class="page row">
<div class="span11">
<table cellpadding="0" cellspacing="0" border="0" class="ref-item">
<tr>
<th scope="row">Class</th>
<td>PImage</td>
</tr>
<tr class="name-row">
<th scope="row">Name</th>
<td><h3>copy()</h3></td>
</tr>
<tr class="">
<th scope="row">Examples</th>
<td><div class="example"><img src="PImage_copy.jpg" alt="example pic" /><pre class="margin">// @pjs preload must be used to preload the image
/* @pjs preload="tower.jpg"; */
PImage img = loadImage("tower.jpg");
img.copy(50, 0, 50, 100, 0, 0, 50, 100);
image(img, 0, 0);</pre></div>
</div></td>
</tr>
<tr class="">
<th scope="row">Description</th>
<td><p>Copies a region of pixels from one image into another. If the source and destination regions aren't the same size, it will automatically resize
source pixels to fit the specified target region. No alpha information is used in the process, however if the source image has an alpha channel set,
it will be copied as well. </p>
<p>This function ignores <b>imageMode()</b>.</p></td>
</tr>
<tr class="">
<th scope="row">Syntax</th>
<td><pre><kbd>img</kbd>.copy(<kbd>sx</kbd>,<kbd>sy</kbd>,<kbd>swidth</kbd>,<kbd>sheight</kbd>,<kbd>dx</kbd>,<kbd>dy</kbd>,<kbd>dwidth</kbd>,<kbd>dheight</kbd>)</pre><br />
<pre><kbd>img</kbd>.copy(<kbd>srcImg</kbd>,<kbd>sx</kbd>,<kbd>sy</kbd>,<kbd>swidth</kbd>,<kbd>sheight</kbd>,<kbd>dx</kbd>,<kbd>dy</kbd>,<kbd>dwidth</kbd>,<kbd>dheight</kbd>)</pre></td>
</tr>
<tr class="">
<th scope="row">Parameters</th>
<td>
<table cellpadding="0" cellspacing="0" border="0">
<tr class="">
<th scope="row">img</th>
<td>PImage: any variable of type PImage</td>
</tr>
<tr class="">
<th scope="row">sx</th>
<td>int: X coordinate of the source's upper left corner</td>
</tr>
<tr class="">
<th scope="row">sy</th>
<td>int: Y coordinate of the source's upper left corner</td>
</tr>
<tr class="">
<th scope="row">swidth</th>
<td>int: source image width</td>
</tr>
<tr class="">
<th scope="row">sheight</th>
<td>int: source image height</td>
</tr>
<tr class="">
<th scope="row">dx</th>
<td>int: X coordinate of the destination's upper left corner</td>
</tr>
<tr class="">
<th scope="row">dy</th>
<td>int: Y coordinate of the destination's upper left corner</td>
</tr>
<tr class="">
<th scope="row">dwidth</th>
<td>int: destination image width</td>
</tr>
<tr class="">
<th scope="row">dheight</th>
<td>int: destination image height</td>
</tr>
<tr class="">
<th scope="row">srcImg</th>
<td>PImage:a image variable referring to the source image.</td>
</tr>
</table>
</td>
</tr>
<tr class="">
<th scope="row">Returns</th>
<td>None</td>
</tr>
<tr class="">
<th scope="row">Usage</th>
<td>Web & Application</td>
</tr>
<tr class="">
<th scope="row">Related</th>
<td><a href="alpha_.1">alpha()</a><br />
<a href="blend_.1">blend()</a><br /></td>
</tr>
</table>
<div class="cclicense">
<p>This reference is licensed under the CC BY-NC-SA 2.0 license:</p>
<a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/2.0/">
<img alt="Creative Commons License" border="0" src="../images/somerights20.gif" />
</a>
</div>
</div>
<div class="sidebar span4">
<h3><a href="http://processingjs.org/download/">Downloads</a></h3>
<ul>
<li><a href="http://processingjs.org/download/">Download the latest version of Processing.js!</a></li>
</ul>
<h3><a href="http://processingjs.org/articles/">Articles</a></h3>
<ul>
<li><a href="http://processingjs.org/articles/jsQuickStart.html">Quick Start - JavaScript Developer</a></li>
<li><a href="http://processingjs.org/articles/p5QuickStart.html">Quick Start - Processing Developer</a></li>
<li><a href="http://processingjs.org/articles/RenderingModes.html">Rendering Modes</a></li>
<li><a href="http://processingjs.org/articles/PomaxGuide.html">Pomax's Guide to processing-js</a></li>
</ul>
<h3><a>Web IDEs</a></h3>
<ul>
<li><a href="http://sketchpad.cc">Sketchpad.cc</a></li>
<li><a href="http://processingjs.org/tools/processing-helper.html">Processing.js Helper</a></li>
<li><a href="http://www.openprocessing.org">OpenProcessing.org</a></li>
</ul>
<h3><a href="http://processingjs.org/community/">Community</a></h3>
<ul>
<li><a href="irc://irc.mozilla.org/processing.js">IRC Channel</a></li>
<li><a href="http://processing-js.lighthouseapp.com/">Bug Tracker</a></li>
<li><a href="http://github.com/processing-js/processing-js/">Github Repository</a></li>
<li><a href="http://groups.google.com/group/processingjs">Google Group</a></li>
<li><a href="http://zenit.senecac.on.ca/wiki/index.php/">Open Source @ Seneca</a></li>
</ul>
<h3><a href="http://twitter.com/processingjs">Twitter Feed</a></h3>
<div class="twitter"></div>
</div>
</div>
<div class="footer">
Processing is an open visualization language developed by
<a href="http://benfry.com/">Ben Fry</a> &amp; <a href="http://reas.com/">Casey Reas</a>,
and originally ported to Javascript by
<a href="http://ejohn.org/blog/processingjs/">John Resig</a>.
Processing.js is maintained by the Processing.js team.
</div>
</div>
<a href="http://github.com/processing-js/processing-js/">
<img style="position: absolute; top: 0; right: 0; border: 0;" src="../images/forkme-right-orange.png" alt="Fork me on GitHub">
</a>
</body>
</html>