archived-doc-ja/reference/image/functions/imagechar.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<!-- EN-Revision: a7e5e563d2d2269a6d7ccff506715a3e1a6f3902 Maintainer: hirokawa Status: ready -->
<!-- CREDITS: shimooka,mumumu -->
<refentry xml:id="function.imagechar" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>imagechar</refname>
  <refpurpose>水平に文字を描画する</refpurpose>
 </refnamediv>
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>bool</type><methodname>imagechar</methodname>
   <methodparam><type>GdImage</type><parameter>image</parameter></methodparam>
   <methodparam><type class="union"><type>GdFont</type><type>int</type></type><parameter>font</parameter></methodparam>
   <methodparam><type>int</type><parameter>x</parameter></methodparam>
   <methodparam><type>int</type><parameter>y</parameter></methodparam>
   <methodparam><type>string</type><parameter>char</parameter></methodparam>
   <methodparam><type>int</type><parameter>color</parameter></methodparam>
  </methodsynopsis>
  <para>
   <function>imagechar</function> は、画像 <parameter>im</parameter>
   上の座標 <parameter>x</parameter>,<parameter>y</parameter>(左上が
   0, 0) に <parameter>color</parameter> 色で <parameter>char</parameter>
   の最初の文字を描画します。
  </para>
 </refsect1>
 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    &gd.image.description;
    &gd.font.description;
    <varlistentry>
     <term><parameter>x</parameter></term>
     <listitem>
      <para>
       始点の x 座標。
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>y</parameter></term>
     <listitem>
      <para>
       始点の y 座標。
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>char</parameter></term>
     <listitem>
      <para>
       描画する文字。
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>color</parameter></term>
     <listitem>
      <para>
       &gd.identifier.color;
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>
 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   &return.success;
  </para>
 </refsect1>

 <refsect1 role="changelog">
  &reftitle.changelog;
  <informaltable>
   <tgroup cols="2">
    <thead>
     <row>
      <entry>&Version;</entry>
      <entry>&Description;</entry>
     </row>
    </thead>
    <tbody>
     &gd.changelog.gdfont-instance;
     &gd.changelog.image-param;
    </tbody>
   </tgroup>
  </informaltable>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><function>imagechar</function> の例</title>
    <programlisting role="php">
<![CDATA[
<?php

$im = imagecreate(100, 100);

$string = 'PHP';

$bg = imagecolorallocate($im, 255, 255, 255);
$black = imagecolorallocate($im, 0, 0, 0);

// 左上の角に黒で "P" を表示します
imagechar($im, 1, 0, 0, $string, $black);

header('Content-type: image/png');
imagepng($im);

?>
]]>
    </programlisting>
    &example.outputs.similar;
    <mediaobject>
     <alt>出力例 : imagechar()</alt>
     <imageobject>
      <imagedata fileref="en/reference/image/figures/imagechar.png"/>
     </imageobject>
    </mediaobject>
   </example>
  </para>
 </refsect1>
 <refsect1 role="seealso">
  &reftitle.seealso;
  <simplelist>
   <member><function>imagecharup</function></member>
   <member><function>imageloadfont</function></member>
  </simplelist>
 </refsect1>
</refentry>
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