reference/image/functions/imageinterlace.xml
593ea510e853ff034e03f78a4be0daa41661c9d4
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis>
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<type>int</type><methodname>imageinterlace</methodname>
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<methodparam><type>resource</type><parameter>image</parameter></methodparam>
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<methodparam choice="opt"><type>int</type><parameter>interlace</parameter><initializer>0</initializer></methodparam>
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<type>bool</type><methodname>imageinterlace</methodname>
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<methodparam><type>GdImage</type><parameter>image</parameter></methodparam>
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<methodparam choice="opt"><type class="union"><type>bool</type><type>null</type></type><parameter>enable</parameter><initializer>&null;</initializer></methodparam>
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</methodsynopsis>
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<para>
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<function>imageinterlace</function> turns the interlace bit on or off.
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<term><parameter>interlace</parameter></term>
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<listitem>
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<para>
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If non-zero, the image will be interlaced, else the interlace bit is
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turned off.
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If &true;, the image will be interlaced, if &false; the interlace bit is turned off.
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Passing &null; will result in the interlacing behavior not being changed.
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</para>
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</listitem>
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</varlistentry>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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Returns 1 if the interlace bit is set for the image, 0 otherwise.
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Returns &true; if the interlace bit is set for the image, &false; otherwise.
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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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<row>
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<entry>8.0.5</entry>
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<entry>
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<function>imageinterlace</function> returns a <type>bool</type> now;
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previously it returned an <type>int</type>
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(non-zero for interlaced images, zero otherwise).
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</entry>
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</row>
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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>enable</parameter> expects a <type>bool</type> now;
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previously it expected an <type>int</type>.
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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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</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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