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<title>Qt 4.2: Qt Demonstrations</title>
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<td width="1"> </td><td class="postheader" valign="center"><a href="index.html"><font color="#004faf">Home</font></a> · <a href="classes.html"><font color="#004faf">All Classes</font></a> · <a href="mainclasses.html"><font color="#004faf">Main Classes</font></a> · <a href="groups.html"><font color="#004faf">Grouped Classes</font></a> · <a href="modules.html"><font color="#004faf">Modules</font></a> · <a href="functions.html"><font color="#004faf">Functions</font></a></td>
<td align="right" valign="top" width="230"><a href="http://www.trolltech.com"><img src="images/trolltech-logo.png" align="right" width="203" height="32" border="0" /></a></td></tr></table><h1 align="center">Qt Demonstrations<br /><small></small></h1>
<p>This is the list of demonstrations in Qt's <tt>demos</tt> directory. These are larger and more complicated programs than the <a href="examples.html">Qt Examples</a> and are used to highlight certain features of Qt.</p>
<p>If you are new to Qt, and want to start developing applications, you should probably start by going through the <a href="tutorial.html">Tutorial</a>.</p>
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<h2>Painting</h2>
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<li><a href="demos-composition.html">Composition Modes</a> demonstrates the range of composition modes available with Qt.</li>
<li><a href="demos-deform.html">Vector Deformation</a> demonstrates effects that are made possible with a vector-oriented paint engine.</li>
<li><a href="demos-gradients.html">Gradients</a> shows the different types of gradients that are available in Qt.</li>
<li><a href="demos-pathstroke.html">Path Stroking</a> shows Qt's built-in dash patterns and shows how custom patterns can be used to extend the range of available patterns.</li>
<li><a href="demos-affine.html">Affine Transformations</a> demonstrates the different affine transformations that can be used to influence painting operations.</li>
<li><a href="demos-arthurplugin.html">Arthur Plugin</a> shows the widgets from the other painting demos packaged as a custom widget plugin for <i>Qt Designer</i>.</li>
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<h2>Item Views</h2>
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<li><a href="demos-interview.html">Interview</a> shows the same model and selection being shared between three different views.</li>
<li><a href="demos-spreadsheet.html">Spreadsheet</a> demonstrates the use of a table view as a spreadsheet, using custom delegates to render each item according to the type of data it contains.</li>
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<h2>SQL</h2>
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<li><a href="demos-books.html">Books</a> shows how Qt's SQL support and model/view integration enables the user to modify the contents of a database without requiring knowledge of SQL.</li>
<li><a href="demos-sqlbrowser.html">SQL Browser</a> demonstrates a console for executing SQL statements on a live database and provides a data browser for interactively visualizing the results.</li>
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<h2>Rich Text</h2>
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<li><a href="demos-textedit.html">Text Edit</a> shows Qt's rich text editing features and provides an environment for experimenting with them.</li>
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<h2>Main Window</h2>
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<li><a href="demos-mainwindow.html">Main Window</a> shows Qt's extensive support for main window features, such as tool bars, dock windows, and menus.</li>
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<h2>Graphics View</h2>
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<li><a href="demos-chip.html">40000 Chips</a> uses the <a href="graphicsview.html">Graphics View</a> framework to efficiently display a large number of individual graphical items on a scrolling canvas, highlighting features such as rotation, zooming, level of detail control, and item selection.</li>
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