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<sect1 id="zend.pdf.introduction">
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    <title>Introduction</title>
    <para>
    The <classname>Zend_Pdf</classname> component is a <acronym>PDF</acronym> (Portable Document Format) manipulation engine.
    It can load, create, modify and save documents.
    Thus it can help any <acronym>PHP</acronym> application dynamically create <acronym>PDF</acronym> documents by modifying existing documents or generating new ones from scratch.

    <classname>Zend_Pdf</classname> offers the following features:
    <itemizedlist>
        <listitem>
            <para>
            Create a new document or load existing one.
            <footnote>
                <para>
                Loading <acronym>PDF</acronym> V1.4 (Acrobat 5) documents is now supported.
                </para>
            </footnote>
            </para>
        </listitem>
        <listitem>
            <para>
            Retrieve a specified revision of the document.
            </para>
        </listitem>
        <listitem>
            <para>
            Manipulate pages within a document. Change page order, add new pages, remove pages
            from a document.
            </para>
        </listitem>
        <listitem>
            <para>
            Different drawing primitives (lines, rectangles, polygons, circles, ellipses and sectors).
            </para>
        </listitem>
        <listitem>
            <para>
            Text drawing using any of the 14 standard (built-in) fonts or your own custom TrueType fonts.
            </para>
        </listitem>
        <listitem>
            <para>
            Rotations.
            </para>
        </listitem>
        <listitem>
            <para>
            Image drawing.
            <footnote>
                <para>
                JPG, PNG [Up to 8bit per channel+Alpha] and TIFF images are supported.
                </para>
            </footnote>
            </para>
        </listitem>
        <listitem>
            <para>
            Incremental <acronym>PDF</acronym> file update.
            </para>
        </listitem>
    </itemizedlist>
    </para>
</sect1>
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