libvips/doc/reference/extending.xml

<?xml version="1.0"?>
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
               "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
]>
<refentry id="extending">
  <refmeta>
    <refentrytitle>Extending VIPS</refentrytitle>
    <manvolnum>3</manvolnum>
    <refmiscinfo>VIPS Library</refmiscinfo>
  </refmeta>

  <refnamediv>
    <refname>Extending</refname>
    <refpurpose>How to add operations to VIPS</refpurpose>
  </refnamediv>

  <refsect1 id="extending-subclassing">
    <title>Adding operations to VIPS</title>
    <para>
      all about subclassing. 
    </para>
  </refsect1>

</refentry>