image.setup.html
来自「php的帮助文档,涉及到PHP的案例和基本语法,以及实际应用内容」· HTML 代码 · 共 188 行
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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>Installing/Configuring</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="intro.image.html">Introduction</a></div> <div class="next" style="text-align: right; float: right;"><a href="image.installation.html">Installation</a></div> <div class="up"><a href="book.image.html">GD</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div> <h1>Installing/Configuring</h1><h2>Table of Contents</h2><ul class="chunklist chunklist_chapter"><li><a href="image.installation.html">Installation</a></li><li><a href="image.configuration.html">Runtime Configuration</a></li><li><a href="image.resources.html">Resource Types</a></li></ul> <div id="image.requirements" class="section"> <h2 class="title">Requirements</h2> <p class="para"> If you have the <acronym title="Graphics Draw">GD</acronym> library (available at <a href="http://www.libgd.org/" class="link external">» http://www.libgd.org/</a>) you will also be able to create and manipulate images. </p> <p class="para"> The format of images you are able to manipulate depend on the version of <acronym title="Graphics Draw">GD</acronym> you install, and any other libraries <acronym title="Graphics Draw">GD</acronym> might need to access those image formats. Versions of <acronym title="Graphics Draw">GD</acronym> older than gd-1.6 support GIF format images, and do not support PNG, where versions greater than gd-1.6 and less than gd-2.0.28 support PNG, not GIF. GIF support was re-enabled in gd-2.0.28. <blockquote><p><b class="note">Note</b>: <span class="simpara"> Since PHP 4.3 there is a bundled version of the GD lib. This bundled version has some additional features like alpha blending, and should be used in preference to the external library since its codebase is better maintained and more stable. </span> </p></blockquote> </p> <blockquote><p><b class="note">Note</b>: Support for GD 1.x has been removed as of PHP 6.0.0, which requires GD 2.0.33 or later. <br /> </p></blockquote> <p class="para"> You may wish to enhance GD to handle more image formats. <table border="5"> <caption><b>Supported image formats</b></caption> <colgroup> <thead valign="middle"> <tr valign="middle"> <th colspan="1">Image format</th> <th colspan="1">Library to download</th> <th colspan="1">Notes</th> </tr> </thead> <tbody valign="middle" class="tbody"> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"><i>gif</i></td> <td class="empty"> </td> <td colspan="1" rowspan="1" align="left"> Only supported in GD versions older than gd-1.6 and newer than gd-2.0.28. <em class="emphasis">Read-only </em> GIF support is available with PHP 4.3.0 and the bundled GD-library. <em class="emphasis">Write</em> support is available since PHP 4.3.9 and PHP 5.0.1. </td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"><i>jpeg-6b</i></td> <td colspan="1" rowspan="1" align="left"><a href="ftp://ftp.uu.net/graphics/jpeg/" class="link external">» ftp://ftp.uu.net/graphics/jpeg/</a></td> <td colspan="1" rowspan="1" align="left"> When buliding the jpeg-v6b library (prior to building PHP) you must use the <span class="option">--enable-shared</span> option in the configure step. If you do not, you will receive an error saying <i>libjpeg.(a|so) not found</i> when you get to the configure step of building PHP. </td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"><i>png</i></td> <td colspan="1" rowspan="1" align="left"><a href="http://www.libpng.org/pub/png/libpng.html" class="link external">» http://www.libpng.org/pub/png/libpng.html</a></td> <td colspan="1" rowspan="1" align="left"> Only supported in GD versions greater than gd-1.6. </td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"><i>xpm</i></td> <td colspan="1" rowspan="1" align="left"><a href="ftp://metalab.unc.edu/pub/Linux/libs/X/!INDEX.html" class="link external">» ftp://metalab.unc.edu/pub/Linux/libs/X/!INDEX.html</a></td> <td colspan="1" rowspan="1" align="left"> It's likely you have this library already available, if your system has an installed X-Environment. </td> </tr> </tbody> </colgroup> </table> </p> <p class="para"> You may wish to enhance GD to deal with different fonts. The following font libraries are supported: <table border="5"> <caption><b>Supported font libraries</b></caption> <colgroup> <thead valign="middle"> <tr valign="middle"> <th colspan="1">Font library</th> <th colspan="1">Download</th> <th colspan="1">Notes</th> </tr> </thead> <tbody valign="middle" class="tbody"> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"><i>FreeType 1.x</i></td> <td colspan="1" rowspan="1" align="left"><a href="http://www.freetype.org/" class="link external">» http://www.freetype.org/</a></td> <td colspan="1" rowspan="1" align="left">Support removed as of PHP 6.0.0</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"><i>FreeType 2</i></td> <td colspan="1" rowspan="1" align="left"><a href="http://www.freetype.org/" class="link external">» http://www.freetype.org/</a></td> <td class="empty"> </td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"><i>T1lib</i></td> <td colspan="1" rowspan="1" align="left"><a href="ftp://sunsite.unc.edu/pub/Linux/libs/graphics/" class="link external">» ftp://sunsite.unc.edu/pub/Linux/libs/graphics/</a>)</td> <td colspan="1" rowspan="1" align="left"> Support for Postscript Type 1 fonts. </td> </tr> </tbody> </colgroup> </table> </p> </div> </div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="intro.image.html">Introduction</a></div> <div class="next" style="text-align: right; float: right;"><a href="image.installation.html">Installation</a></div> <div class="up"><a href="book.image.html">GD</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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