mirror of
https://github.com/fofolee/uTools-Manuals.git
synced 2025-06-18 13:57:03 +08:00
138 lines
5.5 KiB
HTML
138 lines
5.5 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
|
||
<html>
|
||
<head>
|
||
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
|
||
<title>将 JPEG 图像文件转换为 WBMP 图像文件</title>
|
||
</head>
|
||
<body class="docs"><div id="layout">
|
||
<div id="layout-content"><div id="function.jpeg2wbmp" class="refentry">
|
||
<div class="refnamediv">
|
||
<h1 class="refname">jpeg2wbmp</h1>
|
||
<p class="verinfo">(PHP 4 >= 4.0.5, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">jpeg2wbmp</span> — <span class="dc-title">将 JPEG 图像文件转换为 WBMP 图像文件</span></p>
|
||
|
||
</div>
|
||
<div class="refsect1 description" id="refsect1-function.jpeg2wbmp-description">
|
||
<h3 class="title">说明</h3>
|
||
<div class="methodsynopsis dc-description">
|
||
<span class="methodname"><strong>jpeg2wbmp</strong></span>
|
||
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$jpegname</code></span>
|
||
, <span class="methodparam"><span class="type">string</span> <code class="parameter">$wbmpname</code></span>
|
||
, <span class="methodparam"><span class="type">int</span> <code class="parameter">$dest_height</code></span>
|
||
, <span class="methodparam"><span class="type">int</span> <code class="parameter">$dest_width</code></span>
|
||
, <span class="methodparam"><span class="type">int</span> <code class="parameter">$threshold</code></span>
|
||
) : <span class="type">bool</span></div>
|
||
|
||
<p class="para rdfs-comment">
|
||
将 JPEG 图像文件转换为 WBMP 图像文件。
|
||
</p>
|
||
</div>
|
||
|
||
<div class="refsect1 parameters" id="refsect1-function.jpeg2wbmp-parameters">
|
||
<h3 class="title">参数</h3>
|
||
<p class="para">
|
||
<dl>
|
||
|
||
|
||
<dt>
|
||
<code class="parameter">jpegname</code></dt>
|
||
|
||
<dd>
|
||
|
||
<p class="para">
|
||
JPEG 文件的路径。
|
||
</p>
|
||
</dd>
|
||
|
||
|
||
|
||
<dt>
|
||
<code class="parameter">wbmpname</code></dt>
|
||
|
||
<dd>
|
||
|
||
<p class="para">
|
||
目标 WBMP 文件的路径。
|
||
</p>
|
||
</dd>
|
||
|
||
|
||
|
||
<dt>
|
||
<code class="parameter">dest_height</code></dt>
|
||
|
||
<dd>
|
||
|
||
<p class="para">
|
||
目标图像高度。
|
||
</p>
|
||
</dd>
|
||
|
||
|
||
|
||
<dt>
|
||
<code class="parameter">dest_width</code></dt>
|
||
|
||
<dd>
|
||
|
||
<p class="para">
|
||
目标图像宽度。
|
||
</p>
|
||
</dd>
|
||
|
||
|
||
|
||
<dt>
|
||
<code class="parameter">threshold</code></dt>
|
||
|
||
<dd>
|
||
|
||
<p class="para">
|
||
阈值，在 0 和 8 之间（含）。
|
||
</p>
|
||
</dd>
|
||
|
||
|
||
</dl>
|
||
|
||
</p>
|
||
</div>
|
||
|
||
<div class="refsect1 returnvalues" id="refsect1-function.jpeg2wbmp-returnvalues">
|
||
<h3 class="title">返回值</h3>
|
||
<p class="para">
|
||
成功时返回 <strong><code>TRUE</code></strong>， 或者在失败时返回 <strong><code>FALSE</code></strong>。
|
||
</p>
|
||
</div>
|
||
|
||
<div class="refsect1 examples" id="refsect1-function.jpeg2wbmp-examples">
|
||
<h3 class="title">范例</h3>
|
||
<p class="para">
|
||
<div class="example" id="example-3750">
|
||
<p><strong>Example #1 <span class="function"><strong>jpeg2wbmp()</strong></span> 例子</strong></p>
|
||
<div class="example-contents">
|
||
<div class="phpcode"><pre><span style="color: #000000">
|
||
<span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">// 目标 jpeg 的路径<br /></span><span style="color: #0000BB">$path </span><span style="color: #007700">= </span><span style="color: #DD0000">'./test.jpg'</span><span style="color: #007700">;<br /><br /></span><span style="color: #FF8000">// 获取图像尺寸<br /></span><span style="color: #0000BB">$image </span><span style="color: #007700">= </span><span style="color: #0000BB">getimagesize</span><span style="color: #007700">(</span><span style="color: #0000BB">$path</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// 转换图像<br /></span><span style="color: #0000BB">jpeg2wbmp</span><span style="color: #007700">(</span><span style="color: #0000BB">$path</span><span style="color: #007700">, </span><span style="color: #DD0000">'./test.wbmp'</span><span style="color: #007700">, </span><span style="color: #0000BB">$image</span><span style="color: #007700">[</span><span style="color: #0000BB">1</span><span style="color: #007700">], </span><span style="color: #0000BB">$image</span><span style="color: #007700">[</span><span style="color: #0000BB">0</span><span style="color: #007700">], </span><span style="color: #0000BB">5</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span>
|
||
</span>
|
||
</pre></div>
|
||
</div>
|
||
|
||
</div>
|
||
</p>
|
||
</div>
|
||
|
||
<div class="refsect1 notes" id="refsect1-function.jpeg2wbmp-notes">
|
||
<h3 class="title">注释</h3>
|
||
<blockquote class="note"><p><strong class="note">Note</strong>: <span class="simpara">WBMP 支持仅在 PHP 与 GD-1.8 或更高版本一起编译时可用。</span></p></blockquote>
|
||
<blockquote class="note"><p><strong class="note">Note</strong>: <span class="simpara">JPEG 支持仅在 PHP 与 GD-1.8 或更高版本一起编译时可用。</span></p></blockquote>
|
||
</div>
|
||
|
||
<div class="refsect1 seealso" id="refsect1-function.jpeg2wbmp-seealso">
|
||
<h3 class="title">参见</h3>
|
||
<p class="para">
|
||
<ul class="simplelist">
|
||
<li class="member"><span class="function"><a href="png2wbmp.html" class="function" rel="rdfs-seeAlso">png2wbmp()</a> - 将 PNG 图像文件转换为 WBMP 图像文件</span></li>
|
||
</ul>
|
||
</p>
|
||
</div>
|
||
|
||
</div></div></div></body></html> |