mirror of
https://github.com/sigmasternchen/php-doc-en
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96c9d88bad
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@297028 c90b9560-bf6c-de11-be94-00142212c4b1
147 lines
3.3 KiB
XML
147 lines
3.3 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<refentry xml:id="function.imagegrabwindow" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>imagegrabwindow</refname>
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<refpurpose>Captures a window</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>resource</type><methodname>imagegrabwindow</methodname>
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<methodparam><type>int</type><parameter>window_handle</parameter></methodparam>
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<methodparam choice="opt"><type>int</type><parameter>client_area</parameter><initializer>0</initializer></methodparam>
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</methodsynopsis>
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<para>
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Grabs a window or its client area using a windows handle (HWND property in COM instance)
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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>window_handle</parameter></term>
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<listitem>
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<para>
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The HWND window ID.
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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>client_area</parameter></term>
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<listitem>
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<para>
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Include the client area of the application window.
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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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Returns an image resource identifier on success, &false; on failure.
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</para>
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</refsect1>
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<refsect1 role="errors">
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&reftitle.errors;
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<para>
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E_NOTICE is issued if <parameter>window_handle</parameter> is invalid
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window handle.
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E_WARNING is issued if the Windows API is too old.
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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>imagegrabwindow</function> example</title>
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<para>
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Capture a window (IE for example)
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</para>
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<programlisting role="php">
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<![CDATA[
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<?php
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$browser = new COM("InternetExplorer.Application");
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$handle = $browser->HWND;
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$browser->Visible = true;
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$im = imagegrabwindow($handle);
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$browser->Quit();
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imagepng($im, "iesnap.png");
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imagedestroy($im);
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?>
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]]>
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</programlisting>
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<para>
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Capture a window (IE for example) but with its content
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</para>
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<programlisting role="php">
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<![CDATA[
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<?php
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$browser = new COM("InternetExplorer.Application");
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$handle = $browser->HWND;
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$browser->Visible = true;
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$browser->Navigate("http://www.libgd.org");
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/* Still working? */
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while ($browser->Busy) {
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com_message_pump(4000);
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}
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$im = imagegrabwindow($handle, 0);
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$browser->Quit();
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imagepng($im, "iesnap.png");
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imagedestroy($im);
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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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<refsect1 role="notes">
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&reftitle.notes;
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<note>
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<para>
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This function is only available on Windows.
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</para>
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</note>
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</refsect1>
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<refsect1 role="seealso">
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&reftitle.seealso;
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<para>
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<simplelist>
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<member><function>imagegrabscreen</function></member>
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</simplelist>
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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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