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Commit e3abd3bc authored by edgrif's avatar edgrif
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header/index files for foocanvas pages

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[general]
title=ZMap - FooCanvas
author=edgrif
keywords=Sanger Institute ZMap FooCanvas DNA sequence viewer bioinformatics
description=ZMap uses the Open Source FooCanvas (itself a port of Tk's canvas widget) to do its
display of sequence annotation.
navigator_header=<<EOT
<img width="120" height="120" src="zmap_logo.png" title="ZMap - Son of FMap" alt="ZMap Development" />
EOT
[navigator2]
Include1=<<EOT
<span class='barhead'>FooCanvas</span>
EOT
User Guide=foo_canvas.html
Widget=foo-canvas-widget.h.html
General functions=foo-canvas.h.html
Util functions=foo-canvas-util.h.html
Internationalisation=foo-canvas-i18n.h.html
Text Items=foo-canvas-text.h.html
Rectangle/Elispe Items=foo-canvas-rect-ellipse.h.html
Polygon Items=foo-canvas-polygon.h.html
Pixel Buffer=foo-canvas-pixbuf.h.html
Line Items=foo-canvas-line.h.html
<!--#set var="banner" value="ZMap Developer Site"-->
<!--#include virtual="/perl/header"-->
<!--#set var="author" value="edgrif@sanger.ac.uk" -->
<h1>FooCanvas</h1>
<P>ZMap uses the Open Source FooCanvas widget for its display of sequence/annotation
data. This widget offers considerable performance advantages over the Gnome Canvas
which, while more sophisticated, was too slow and memory intensive for this project.
The FooCanvas is essentially a port of the popular Tk canvas widget and has been used
in a number of Open Source projects such as Gnumeric and Nautilus, i.e. it has a good
pedigree.
<P>Early tests showed that it was as fast as the acedb Graph package in drawing and
<b>much</b> faster for zooming and scrolling. It also has a number of other advantages
to do with event handling and grouping of objects.
<p>
<!--#include virtual="/perl/footer"-->
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