mirror of
https://github.com/sigmasternchen/php-doc-en
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18dc6d0d46
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@336315 c90b9560-bf6c-de11-be94-00142212c4b1
127 lines
3 KiB
XML
127 lines
3 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<refentry xmlns="http://docbook.org/ns/docbook" xml:id="imagick.transparentpaintimage">
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<refnamediv>
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<refname>Imagick::transparentPaintImage</refname>
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<refpurpose>Paints pixels transparent</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>Imagick::transparentPaintImage</methodname>
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<methodparam><type>mixed</type><parameter>target</parameter></methodparam>
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<methodparam><type>float</type><parameter>alpha</parameter></methodparam>
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<methodparam><type>float</type><parameter>fuzz</parameter></methodparam>
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<methodparam><type>bool</type><parameter>invert</parameter></methodparam>
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</methodsynopsis>
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<para>
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Paints pixels matching the target color transparent.
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&imagick.method.available.0x638;
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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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<varlistentry>
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<term><parameter>target</parameter></term>
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<listitem>
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<para>
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The target color to paint
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>alpha</parameter></term>
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<listitem>
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<para>
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&imagick.parameter.alpha;
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>fuzz</parameter></term>
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<listitem>
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<para>
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&imagick.parameter.fuzz;
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>invert</parameter></term>
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<listitem>
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<para>
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If &true; paints any pixel that does not match the target color.
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</para>
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</listitem>
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</varlistentry>
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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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&imagick.return.success;
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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> <function>Imagick::transparentPaintImage</function></title>
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<programlisting role="php">
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<![CDATA[
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<?php
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function transparentPaintImage($color, $alpha, $fuzz) {
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$imagick = new \Imagick(realpath("images/BlueScreen.jpg"));
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//Need to be in a format that supports transparency
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$imagick->setimageformat('png');
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$imagick->transparentPaintImage(
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$color, $alpha, $fuzz * \Imagick::getQuantum(), false
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);
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//Not required, but helps tidy up left over pixels
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$imagick->despeckleimage();
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header("Content-Type: image/png");
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echo $imagick->getImageBlob();
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}
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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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</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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