Qt 4.8: stickman.h Example File (animation/stickman/stickman.h)

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# stickman.h Example File

animation/stickman/stickman.h

     /****************************************************************************
     **
     ** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
     ** Contact: http://www.qt-project.org/legal
     **
     ** This file is part of the QtCore module of the Qt Toolkit.
     **
     ** $QT_BEGIN_LICENSE:BSD$
     ** You may use this file under the terms of the BSD license as follows:
     **
     ** "Redistribution and use in source and binary forms, with or without
     ** modification, are permitted provided that the following conditions are
     ** met:
     **   * Redistributions of source code must retain the above copyright
     **     notice, this list of conditions and the following disclaimer.
     **   * Redistributions in binary form must reproduce the above copyright
     **     notice, this list of conditions and the following disclaimer in
     **     the documentation and/or other materials provided with the
     **     distribution.
     **   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
     **     of its contributors may be used to endorse or promote products derived
     **     from this software without specific prior written permission.
     **
     **
     ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
     **
     ** $QT_END_LICENSE$
     **
     ****************************************************************************/

     #ifndef STICKMAN_H
     #define STICKMAN_H

     #include <QGraphicsObject>

     static const int NodeCount = 16;
     static const int BoneCount = 24;

     class Node;

     class StickMan: public QGraphicsObject
     {
         Q_OBJECT
         Q_PROPERTY(QColor penColor WRITE setPenColor READ penColor)
         Q_PROPERTY(QColor fillColor WRITE setFillColor READ fillColor)
         Q_PROPERTY(bool isDead WRITE setIsDead READ isDead)
     public:
         StickMan();
         ~StickMan();

         virtual QRectF boundingRect() const;
         virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);

         int nodeCount() const;
         Node *node(int idx) const;

         void setDrawSticks(bool on);
         bool drawSticks() const { return m_sticks; }

         QColor penColor() const { return m_penColor; }
         void setPenColor(const QColor &color) { m_penColor = color; }

         QColor fillColor() const { return m_fillColor; }
         void setFillColor(const QColor &color) { m_fillColor = color; }

         bool isDead() const { return m_isDead; }
         void setIsDead(bool isDead) { m_isDead = isDead; }

     public slots:
         void stabilize();
         void childPositionChanged();

     protected:
         void timerEvent(QTimerEvent *e);

     private:

         QPointF posFor(int idx) const;

         Node *m_nodes[NodeCount];
         qreal m_perfectBoneLengths[BoneCount];

         uint m_sticks : 1;
         uint m_isDead : 1;
         uint m_reserved : 30;

         QPixmap m_pixmap;
         QColor m_penColor;
         QColor m_fillColor;
     };

     #endif // STICKMAN_H