reference/image/functions/imageaffinematrixconcat.xml
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<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<refentry xml:id="function.imageaffinematrixconcat" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
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<refnamediv>
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<refname>imageaffinematrixconcat</refname>
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<refpurpose>Concat two matrices (as in doing many ops in one go)</refpurpose>
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<refpurpose>Concatenate two affine transformation matrices</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>array</type><methodname>imageaffinematrixconcat</methodname>
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<methodparam><type>array</type><parameter>m1</parameter></methodparam>
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<methodparam><type>array</type><parameter>m2</parameter></methodparam>
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<type class="union"><type>array</type><type>false</type></type><methodname>imageaffinematrixconcat</methodname>
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<methodparam><type>array</type><parameter>matrix1</parameter></methodparam>
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<methodparam><type>array</type><parameter>matrix2</parameter></methodparam>
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</methodsynopsis>
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<para>
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Returns the concatenation of two affine transformation matrices,
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what is useful if multiple transformations should be applied to the same
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image in one go.
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</para>
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&warn.undocumented.func;
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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<variablelist>
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<varlistentry>
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<term><parameter>m1</parameter></term>
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<term><parameter>matrix1</parameter></term>
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<listitem>
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<para>
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Array with keys 0 to 5.
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An affine transformation matrix (an array with keys
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<literal>0</literal> to <literal>5</literal> and float values).
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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>m2</parameter></term>
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<term><parameter>matrix2</parameter></term>
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<listitem>
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<para>
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Array with keys 0 to 5.
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An affine transformation matrix (an array with keys
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<literal>0</literal> to <literal>5</literal> and float values).
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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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Array with keys 0 to 5 and float values&return.falseforfailure;.
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An affine transformation matrix (an array with keys
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<literal>0</literal> to <literal>5</literal> and float values)
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&return.falseforfailure;.
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</para>
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</refsect1>
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</refentry>
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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>imageaffinematrixconcat</function> example</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$m1 = imageaffinematrixget(IMG_AFFINE_TRANSLATE, array('x' => 2, 'y' => 3));
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$m2 = imageaffinematrixget(IMG_AFFINE_SCALE, array('x' => 4, 'y' => 5));
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$matrix = imageaffinematrixconcat($m1, $m2);
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print_r($matrix);
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?>
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]]>
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</programlisting>
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&example.outputs;
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<screen>
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<![CDATA[
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Array
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(
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[0] => 4
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[1] => 0
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[2] => 0
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[3] => 5
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[4] => 8
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[5] => 15
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)
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]]>
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</screen>
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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>imageaffine</function></member>
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<member><function>imageaffinematrixget</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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