| /**************************************************************************** |
| ** |
| ** Copyright (C) 2011 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. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** GNU Lesser General Public License Usage |
| ** 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. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU General |
| ** Public License version 3.0 as published by the Free Software Foundation |
| ** and appearing in the file LICENSE.GPL included in the packaging of this |
| ** file. Please review the following information to ensure the GNU General |
| ** Public License version 3.0 requirements will be met: |
| ** http://www.gnu.org/copyleft/gpl.html. |
| ** |
| ** Other Usage |
| ** Alternatively, this file may be used in accordance with the terms and |
| ** conditions contained in a signed written agreement between you and Nokia. |
| ** |
| ** |
| ** |
| ** |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #ifndef QANIMATION_H |
| #define QANIMATION_H |
| |
| #include <QtCore/qeasingcurve.h> |
| #include <QtCore/qabstractanimation.h> |
| #include <QtCore/qvector.h> |
| #include <QtCore/qvariant.h> |
| #include <QtCore/qpair.h> |
| |
| QT_BEGIN_HEADER |
| |
| QT_BEGIN_NAMESPACE |
| |
| QT_MODULE(Core) |
| |
| #ifndef QT_NO_ANIMATION |
| |
| class QVariantAnimationPrivate; |
| class Q_CORE_EXPORT QVariantAnimation : public QAbstractAnimation |
| { |
| Q_OBJECT |
| Q_PROPERTY(QVariant startValue READ startValue WRITE setStartValue) |
| Q_PROPERTY(QVariant endValue READ endValue WRITE setEndValue) |
| Q_PROPERTY(QVariant currentValue READ currentValue NOTIFY valueChanged) |
| Q_PROPERTY(int duration READ duration WRITE setDuration) |
| Q_PROPERTY(QEasingCurve easingCurve READ easingCurve WRITE setEasingCurve) |
| |
| public: |
| typedef QPair<qreal, QVariant> KeyValue; |
| typedef QVector<KeyValue> KeyValues; |
| |
| QVariantAnimation(QObject *parent = 0); |
| ~QVariantAnimation(); |
| |
| QVariant startValue() const; |
| void setStartValue(const QVariant &value); |
| |
| QVariant endValue() const; |
| void setEndValue(const QVariant &value); |
| |
| QVariant keyValueAt(qreal step) const; |
| void setKeyValueAt(qreal step, const QVariant &value); |
| |
| KeyValues keyValues() const; |
| void setKeyValues(const KeyValues &values); |
| |
| QVariant currentValue() const; |
| |
| int duration() const; |
| void setDuration(int msecs); |
| |
| QEasingCurve easingCurve() const; |
| void setEasingCurve(const QEasingCurve &easing); |
| |
| typedef QVariant (*Interpolator)(const void *from, const void *to, qreal progress); |
| |
| Q_SIGNALS: |
| void valueChanged(const QVariant &value); |
| |
| protected: |
| QVariantAnimation(QVariantAnimationPrivate &dd, QObject *parent = 0); |
| bool event(QEvent *event); |
| |
| void updateCurrentTime(int); |
| void updateState(QAbstractAnimation::State newState, QAbstractAnimation::State oldState); |
| |
| virtual void updateCurrentValue(const QVariant &value) = 0; |
| virtual QVariant interpolated(const QVariant &from, const QVariant &to, qreal progress) const; |
| |
| private: |
| template <typename T> friend void qRegisterAnimationInterpolator(QVariant (*func)(const T &, const T &, qreal)); |
| static void registerInterpolator(Interpolator func, int interpolationType); |
| |
| Q_DISABLE_COPY(QVariantAnimation) |
| Q_DECLARE_PRIVATE(QVariantAnimation) |
| }; |
| |
| template <typename T> |
| void qRegisterAnimationInterpolator(QVariant (*func)(const T &from, const T &to, qreal progress)) { |
| QVariantAnimation::registerInterpolator(reinterpret_cast<QVariantAnimation::Interpolator>(func), qMetaTypeId<T>()); |
| } |
| |
| #endif //QT_NO_ANIMATION |
| |
| QT_END_NAMESPACE |
| |
| QT_END_HEADER |
| |
| #endif //QANIMATION_H |