jpeg2wbmp.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<!-- EN-Revision: 4e32d05f7498f3c914f3ec4ed7e041d3d3fca829 Maintainer: HonestQiao Status: ready -->
<!-- CREDITS: mowangjuanzi -->
<refentry xml:id="function.jpeg2wbmp" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>jpeg2wbmp</refname>
  <refpurpose>将 JPEG 图像文件转换为 WBMP 图像文件</refpurpose>
 </refnamediv>

 <refsynopsisdiv>
  &warn.deprecated.function-7-2-0.removed-8-0-0;
 </refsynopsisdiv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>bool</type><methodname>jpeg2wbmp</methodname>
   <methodparam><type>string</type><parameter>jpegname</parameter></methodparam>
   <methodparam><type>string</type><parameter>wbmpname</parameter></methodparam>
   <methodparam><type>int</type><parameter>dest_height</parameter></methodparam>
   <methodparam><type>int</type><parameter>dest_width</parameter></methodparam>
   <methodparam><type>int</type><parameter>threshold</parameter></methodparam>
  </methodsynopsis>
  <para>
   将 JPEG 图像文件转换为 WBMP 图像文件。
  </para>
 </refsect1>
 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>jpegname</parameter></term>
     <listitem>
      <para>
       JPEG 文件的路径。
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>wbmpname</parameter></term>
     <listitem>
      <para>
       目标 WBMP 文件的路径。
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>dest_height</parameter></term>
     <listitem>
      <para>
       目标图像高度。
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>dest_width</parameter></term>
     <listitem>
      <para>
       目标图像宽度。
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>threshold</parameter></term>
     <listitem>
      <para>
       阈值，在 0 和 8 之间（含）。
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>
 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   &return.success;
  </para>
  &gd.return.trueonerror;
 </refsect1>
 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><function>jpeg2wbmp</function> 示例</title>
    <programlisting role="php">
<![CDATA[
<?php
// 目标 jpeg 的路径
$path = './test.jpg';

// 获取图像尺寸
$image = getimagesize($path);

// 转换图像
jpeg2wbmp($path, './test.wbmp', $image[1], $image[0], 5);
?>
]]>
    </programlisting>
   </example>
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <simplelist>
   <member><function>png2wbmp</function></member>
  </simplelist>
 </refsect1>
</refentry>

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