--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/animation/stickman/animation.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,193 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "animation.h"
+
+#include <QPointF>
+#include <QIODevice>
+#include <QDataStream>
+
+class Frame 
+{
+public:
+    Frame() {
+    }
+
+    int nodeCount() const 
+    {
+        return m_nodePositions.size();
+    }
+
+    void setNodeCount(int nodeCount)
+    {
+        while (nodeCount > m_nodePositions.size())
+            m_nodePositions.append(QPointF());            
+        
+        while (nodeCount < m_nodePositions.size())
+            m_nodePositions.removeLast();
+    }
+
+    QPointF nodePos(int idx) const
+    {
+        return m_nodePositions.at(idx);
+    }
+
+    void setNodePos(int idx, const QPointF &pos)
+    {
+        m_nodePositions[idx] = pos;
+    }
+    
+private:
+    QList<QPointF> m_nodePositions;
+};
+
+Animation::Animation()
+{
+    m_currentFrame = 0;
+    m_frames.append(new Frame);
+}
+
+Animation::~Animation() 
+{
+    qDeleteAll(m_frames);
+}
+
+void Animation::setTotalFrames(int totalFrames)
+{
+    while (m_frames.size() < totalFrames)
+        m_frames.append(new Frame);    
+
+    while (totalFrames < m_frames.size())
+        delete m_frames.takeLast();    
+}
+
+int Animation::totalFrames() const
+{
+    return m_frames.size();
+}
+
+void Animation::setCurrentFrame(int currentFrame)
+{
+    m_currentFrame = qMax(qMin(currentFrame, totalFrames()-1), 0);
+}
+
+int Animation::currentFrame() const
+{
+    return m_currentFrame;
+}
+
+void Animation::setNodeCount(int nodeCount)
+{
+    Frame *frame = m_frames.at(m_currentFrame);
+    frame->setNodeCount(nodeCount);
+}
+
+int Animation::nodeCount() const
+{
+    Frame *frame = m_frames.at(m_currentFrame);
+    return frame->nodeCount();
+}
+
+void Animation::setNodePos(int idx, const QPointF &pos)
+{
+    Frame *frame = m_frames.at(m_currentFrame);
+    frame->setNodePos(idx, pos);
+}
+
+QPointF Animation::nodePos(int idx) const
+{
+    Frame *frame = m_frames.at(m_currentFrame);
+    return frame->nodePos(idx);
+}
+
+QString Animation::name() const
+{
+    return m_name;
+}
+
+void Animation::setName(const QString &name)
+{
+    m_name = name;
+}
+
+void Animation::save(QIODevice *device) const
+{
+    QDataStream stream(device);
+    stream << m_name;
+    stream << m_frames.size();
+    foreach (Frame *frame, m_frames) {
+        stream << frame->nodeCount();
+        for (int i=0; i<frame->nodeCount(); ++i)
+            stream << frame->nodePos(i);
+    }
+}
+
+void Animation::load(QIODevice *device)
+{
+    if (!m_frames.isEmpty())
+        qDeleteAll(m_frames);
+
+    m_frames.clear();
+
+    QDataStream stream(device);
+    stream >> m_name;
+    
+    int frameCount;
+    stream >> frameCount;
+
+    for (int i=0; i<frameCount; ++i) {
+        
+        int nodeCount;
+        stream >> nodeCount;
+        
+        Frame *frame = new Frame;
+        frame->setNodeCount(nodeCount);
+
+        for (int j=0; j<nodeCount; ++j) {
+            QPointF pos;
+            stream >> pos;
+
+            frame->setNodePos(j, pos);
+        }
+
+        m_frames.append(frame);
+    }
+}