mutter/doc/reference/clutter/clutter-overview.xml
Emmanuele Bassi e7a7307b49 2008-06-26 Emmanuele Bassi <ebassi@openedhand.com>
* clutter/clutter-overview.xml: Split the overview into its own
	file, so we gtk-doc can linkify all class names.

	* clutter/building-clutter.xml: Split the building instructions
	into its own file, for better maintainability.

	* clutter/clutter-animation.xml:
	* clutter/creating-behaviours.xml:
	* clutter/subclassing-ClutterActor.xml: Rename from SGML to XML;
	these were not SGML files anyway, but templates.

	* clutter/clutter-docs.sgml: Use XInclude instead of the ugly
	entities hack.

	* clutter/Makefile.am: Update the build.
2008-06-26 09:02:58 +00:00

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<part id="clutter-overview">
<partinfo>
<author>
<firstname>Emmanuele</firstname>
<surname>Bassi</surname>
<affiliation>
<address>
<email>ebassi@openedhand.com</email>
</address>
</affiliation>
</author>
</partinfo>
<title>Overview</title>
<partintro>
<para>Clutter is a GObject based library for creating fast, visually
rich, graphical user interfaces.</para>
<para>Clutter works by manipulating a scene-graph of 2D surfaces, or
'actors', inside a 3D space.</para>
<para>#ClutterActor is the base class for such surfaces. All
#ClutterActor<!-- -->s can be positioned, scaled and rotated in 3D space.
In addition, other properties can be set, such as 2D clipping, children and
opacity. Tranforms applied to a parent actor also apply to any children.
Actors are also able to receive events.</para>
<para>Subclasses of #ClutterActor include #ClutterStage, #ClutterTexture,
#ClutterLabel, #ClutterRectangle, #ClutterEntry and
#ClutterGroup. #ClutterActor<!-- -->s are added to a parent, transformed
and then made visible.</para>
<para>#ClutterStage is the top level #ClutterActor - it's the
representation of a window, or framebuffer. It is created automatically
when Clutter is initialised. #ClutterStage is a #ClutterGroup, a class
implementing the #ClutterCointainer interface.</para>
<para>#ClutterTimeline<!-- -->s provide the basis for Clutter's animation
utilities. Multiple timelines can be synchronised using #ClutterScore,
and #ClutterBehaviour and #ClutterEffect allow for the creation of
animation effects such as transitions.</para>
<para>Clutter further contains a number of utilities, including;
#ClutterScript - for loading 'UI definition' files formatted in
<ulink type="http" url="http://json.org">JSON</ulink>, #ClutterShader - a
class for applying GPU shaders to actors, #ClutterModel - a utility class
for MVC list type implementations, and fixed point math utilities.</para>
</partintro>
</part>