📄 function.imagesetbrush.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Set the brush image for line drawing</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.imagesavealpha.html">imagesavealpha</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.imagesetpixel.html">imagesetpixel</a></div> <div class="up"><a href="ref.image.html">GD Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.imagesetbrush" class="refentry"> <div class="refnamediv"> <h1 class="refname">imagesetbrush</h1> <p class="verinfo">(PHP 4 >= 4.0.6, PHP 5)</p><p class="refpurpose"><span class="refname">imagesetbrush</span> — <span class="dc-title">Set the brush image for line drawing</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><b><b>imagesetbrush</b></b></span> ( <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$image</tt></span> , <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$brush</tt></span> )</div> <p class="para rdfs-comment"> <b>imagesetbrush()</b> sets the brush image to be used by all line drawing functions (such as <a href="function.imageline.html" class="function">imageline()</a> and <a href="function.imagepolygon.html" class="function">imagepolygon()</a>) when drawing with the special colors <b><tt>IMG_COLOR_BRUSHED</tt></b> or <b><tt>IMG_COLOR_STYLEDBRUSHED</tt></b>. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt><span class="term"><i><tt class="parameter">image</tt></i></span><dd><p class="para">An image resource, returned by one of the image creation functions, such as <a href="function.imagecreatetruecolor.html" class="function">imagecreatetruecolor()</a>.</p></dd></dt> <dt> <span class="term"><i><tt class="parameter">brush</tt></i></span> <dd> <p class="para"> An image resource. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns <b><tt>TRUE</tt></b> on success or <b><tt>FALSE</tt></b> on failure. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 <b>imagesetbrush()</b> example</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">// Load a mini php logo<br /></span><span style="color: #0000BB">$php </span><span style="color: #007700">= </span><span style="color: #0000BB">imagecreatefrompng</span><span style="color: #007700">(</span><span style="color: #DD0000">'./php.png'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Create the main image, 100x100<br /></span><span style="color: #0000BB">$im </span><span style="color: #007700">= </span><span style="color: #0000BB">imagecreatetruecolor</span><span style="color: #007700">(</span><span style="color: #0000BB">100</span><span style="color: #007700">, </span><span style="color: #0000BB">100</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Fill the background with white<br /></span><span style="color: #0000BB">$white </span><span style="color: #007700">= </span><span style="color: #0000BB">imagecolorallocate</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">, </span><span style="color: #0000BB">255</span><span style="color: #007700">, </span><span style="color: #0000BB">255</span><span style="color: #007700">, </span><span style="color: #0000BB">255</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">imagefilledrectangle</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #0000BB">299</span><span style="color: #007700">, </span><span style="color: #0000BB">99</span><span style="color: #007700">, </span><span style="color: #0000BB">$white</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Set the brush<br /></span><span style="color: #0000BB">imagesetbrush</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">, </span><span style="color: #0000BB">$php</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Draw a couple of brushes, each overlaying each<br /></span><span style="color: #0000BB">imageline</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">, </span><span style="color: #0000BB">50</span><span style="color: #007700">, </span><span style="color: #0000BB">50</span><span style="color: #007700">, </span><span style="color: #0000BB">50</span><span style="color: #007700">, </span><span style="color: #0000BB">60</span><span style="color: #007700">, </span><span style="color: #0000BB">IMG_COLOR_BRUSHED</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Output image to the browser<br /></span><span style="color: #0000BB">header</span><span style="color: #007700">(</span><span style="color: #DD0000">'Content-type: image/png'</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">imagepng</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">imagedestroy</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">imagedestroy</span><span style="color: #007700">(</span><span style="color: #0000BB">$php</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> <div class="example-contents"><p>The above example will output something similar to:</p></div> <div class="mediaobject"> <div class="imageobject"> <img src="figures/image.imagesetbrush.png" /> </div> </div> </div> </p> </div> <div class="refsect1 notes"> <h3 class="title">Notes</h3> <blockquote><p><b class="note">Note</b>: You need not take special action when you are finished with a brush, but if you destroy the brush image, you must not use the <b><tt>IMG_COLOR_BRUSHED</tt></b> or <b><tt>IMG_COLOR_STYLEDBRUSHED</tt></b> colors until you have set a new brush image! <br /> </p></blockquote> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.imagesavealpha.html">imagesavealpha</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.imagesetpixel.html">imagesetpixel</a></div> <div class="up"><a href="ref.image.html">GD Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
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