📄 function.imagecreate.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>Create a new palette based image</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.imagecopyresized.html">imagecopyresized</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.imagecreatefromgd2.html">imagecreatefromgd2</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.imagecreate" class="refentry"> <div class="refnamediv"> <h1 class="refname">imagecreate</h1> <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">imagecreate</span> — <span class="dc-title">Create a new palette based image</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">resource</span> <span class="methodname"><b><b>imagecreate</b></b></span> ( <span class="methodparam"><span class="type">int</span> <tt class="parameter">$width</tt></span> , <span class="methodparam"><span class="type">int</span> <tt class="parameter">$height</tt></span> )</div> <p class="para rdfs-comment"> <b>imagecreate()</b> returns an image identifier representing a blank image of specified size. </p> <p class="para"> We recommend the use of <a href="function.imagecreatetruecolor.html" class="function">imagecreatetruecolor()</a>. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">width</tt></i></span> <dd> <p class="para"> The image width. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">height</tt></i></span> <dd> <p class="para"> The image height. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns an image resource identifier on success, <b><tt>FALSE</tt></b> on errors. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 Creating a new GD image stream and outputting an image. </b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br />header</span><span style="color: #007700">(</span><span style="color: #DD0000">"Content-type: image/png"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$im </span><span style="color: #007700">= @</span><span style="color: #0000BB">imagecreate</span><span style="color: #007700">(</span><span style="color: #0000BB">110</span><span style="color: #007700">, </span><span style="color: #0000BB">20</span><span style="color: #007700">)<br /> or die(</span><span style="color: #DD0000">"Cannot Initialize new GD image stream"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$background_color </span><span style="color: #007700">= </span><span style="color: #0000BB">imagecolorallocate</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$text_color </span><span style="color: #007700">= </span><span style="color: #0000BB">imagecolorallocate</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">, </span><span style="color: #0000BB">233</span><span style="color: #007700">, </span><span style="color: #0000BB">14</span><span style="color: #007700">, </span><span style="color: #0000BB">91</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">imagestring</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">, </span><span style="color: #0000BB">1</span><span style="color: #007700">, </span><span style="color: #0000BB">5</span><span style="color: #007700">, </span><span style="color: #0000BB">5</span><span style="color: #007700">, </span><span style="color: #DD0000">"A Simple Text String"</span><span style="color: #007700">, </span><span style="color: #0000BB">$text_color</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">imagepng</span><span style="color: #007700">(</span><span style="color: #0000BB">$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">?></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.imagecreate.png" /> </div> </div> </div> </p> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.imagedestroy.html" class="function" rel="rdfs-seeAlso">imagedestroy()</a></li> <li class="member"><a href="function.imagecreatetruecolor.html" class="function" rel="rdfs-seeAlso">imagecreatetruecolor()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.imagecopyresized.html">imagecopyresized</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.imagecreatefromgd2.html">imagecreatefromgd2</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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