demos/qtdemo/demoitemanimation.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 22 Jan 2010 10:32:13 +0200
changeset 1 ae9c8dab0e3e
parent 0 1918ee327afb
child 4 3b1da2848fc7
permissions -rw-r--r--
Revision: 201001 Kit: 201003

/****************************************************************************
**
** 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 demonstration applications 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.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef DEMO_ITEM_ANIMATION_H
#define DEMO_ITEM_ANIMATION_H

#include <QtCore>
#include <QtGui>

class DemoItem;

class DemoItemAnimation : public QGraphicsItemAnimation
{
    Q_OBJECT

public:
    enum INOROUT {ANIM_IN, ANIM_OUT, ANIM_UNSPECIFIED};

    DemoItemAnimation(DemoItem *item, INOROUT inOrOut = ANIM_UNSPECIFIED);
    virtual ~DemoItemAnimation();

    virtual void play(bool fromStart = true, bool force = false);
    virtual void playReverse();
    virtual void stop(bool reset = true);
    virtual void setRepeat(int nr = 0);

    void setDuration(int duration);
    void setDuration(float duration){ setDuration(int(duration)); };
    void setOpacityAt0(qreal opacity);
    void setOpacityAt1(qreal opacity);
    void setOpacity(qreal step);
    void setCurrentTime(int ms);
    void setStartPos(const QPointF &pos);
    bool notOwnerOfItem();

    bool running();
    bool runningOrItemLocked();
    void lockItem(bool state);
    void prepare();

    DemoItem *demoItem();

    virtual void afterAnimationStep(qreal step); // overridden

    QTimeLine *timeline;
    qreal opacityAt0;
    qreal opacityAt1;
    int startDelay;
    QPointF startPos;
    bool hideOnFinished;
    bool moveOnPlay;
    bool forcePlay;
    bool fromStart;
    INOROUT inOrOut;

private slots:
    virtual void playWithoutDelay();
};

#endif // DEMO_ITEM_ANIMATION_H