gtk2/docs/reference/gtk/directfb.sgml

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<refentry id="gtk-directfb">
<refmeta>
<refentrytitle>Using GTK+ on DirectFB</refentrytitle>
<manvolnum>3</manvolnum>
<refmiscinfo>GTK Library</refmiscinfo>
</refmeta>

<refnamediv>
<refname>Using GTK+ on DirectFB</refname>
<refpurpose>
DirectFB-specific aspects of using GTK+
</refpurpose>
</refnamediv>

<refsect1>
<title>Using GTK+ on DirectFB</title>

<para>
The DirectFB port of GTK+ is an implementation of GDK (and therefore GTK+) 
on top of the <ulink url="http://www.directfb.org">DirectFB</ulink> 
libraries.
</para>

<para>
Like the obsolete linux-fb port of GTK+, it runs on the Linux framebuffer,
but the DirectFB libraries provide additional features like hardware graphics 
acceleration, input device handling and abstraction and an integrated windowing 
system.
</para>

<refsect2><title>Build requirements</title>

<para>
Beyond the usual GTK+ build requirements, the DirectFB backend (obviously) 
needs the DirectFB libraries (at least 0.9.21) and cairo compiled with 
DirectFB support.
</para>
</refsect2>
</refsect1>
</refentry>