reference/image/functions/imagecolortransparent.xml
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593ea510e853ff034e03f78a4be0daa41661c9d4
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&reftitle.description;
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<methodsynopsis>
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<type>int</type><methodname>imagecolortransparent</methodname>
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<methodparam><type>resource</type><parameter>image</parameter></methodparam>
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<methodparam choice="opt"><type>int</type><parameter>color</parameter></methodparam>
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<methodparam><type>GdImage</type><parameter>image</parameter></methodparam>
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<methodparam choice="opt"><type class="union"><type>int</type><type>null</type></type><parameter>color</parameter><initializer>&null;</initializer></methodparam>
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</methodsynopsis>
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<para>
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Sets the transparent color in the given <parameter>image</parameter>.
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Gets or sets the transparent color in the given <parameter>image</parameter>.
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</para>
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</refsect1>
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<refsect1 role="parameters">
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<term><parameter>color</parameter></term>
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<listitem>
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<para>
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A color identifier created with
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<function>imagecolorallocate</function>.
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&gd.identifier.color;
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</para>
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</listitem>
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</varlistentry>
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<para>
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The identifier of the new (or current, if none is specified)
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transparent color is returned. If <parameter>color</parameter>
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is not specified, and the image has no transparent color, the
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returned identifier will be -1.
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is &null;, and the image has no transparent color, the
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returned identifier will be <literal>-1</literal>.
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</para>
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</refsect1>
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<refsect1 role="changelog">
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&reftitle.changelog;
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<informaltable>
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<tgroup cols="2">
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<thead>
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<row>
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<entry>&Version;</entry>
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<entry>&Description;</entry>
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</row>
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</thead>
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<tbody>
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&gd.changelog.image-param;
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<row>
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<entry>8.0.0</entry>
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<entry>
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<parameter>color</parameter> is now nullable.
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</entry>
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</row>
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</tbody>
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</tgroup>
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</informaltable>
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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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</note>
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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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