mirror of
https://github.com/sigmasternchen/php-doc-en
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f85d380904
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@350828 c90b9560-bf6c-de11-be94-00142212c4b1
96 lines
2.4 KiB
XML
96 lines
2.4 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<refentry xml:id="function.imageistruecolor" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>imageistruecolor</refname>
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<refpurpose>Finds whether an image is a truecolor image</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis>
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<type>bool</type><methodname>imageistruecolor</methodname>
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<methodparam><type>resource</type><parameter>image</parameter></methodparam>
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</methodsynopsis>
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<para>
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<function>imageistruecolor</function> finds whether the image
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<parameter>image</parameter> is a truecolor image.
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</para>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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<para>
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<variablelist>
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&gd.image.description;
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</variablelist>
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</para>
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</refsect1>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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Returns &true; if the <parameter>image</parameter> is truecolor, &false;
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otherwise.
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</para>
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</refsect1>
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<refsect1 role="examples">
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&reftitle.examples;
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<para>
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<example>
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<title>Simple detection of true color image instances using <function>imageistruecolor</function></title>
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<programlisting role="php">
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<![CDATA[
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<?php
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// $im is an image instance
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// Check if image is a true color image or not
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if(!imageistruecolor($im))
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{
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// Create a new true color image instance
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$tc = imagecreatetruecolor(imagesx($im), imagesy($im));
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// Copy over the pixels
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imagecopy($tc, $im, 0, 0, 0, 0, imagesx($im), imagesy($im));
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imagedestroy($im);
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$im = $tc;
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$tc = NULL;
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// OR use imagepalettetotruecolor()
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}
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// Continue working with image instance
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?>
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]]>
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</programlisting>
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</example>
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</para>
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</refsect1>
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<refsect1 role="seealso">
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&reftitle.seealso;
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<simplelist>
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<member><function>imagecreatetruecolor</function></member>
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<member><function>imagepalettetotruecolor</function></member>
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</simplelist>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"~/.phpdoc/manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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