629d6eda5c
Replace Nokia contact email address with Qt Project website. Change-Id: I431bbbf76d7c27d8b502f87947675c116994c415 Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>
101 lines
3.6 KiB
C++
101 lines
3.6 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: http://www.qt-project.org/
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**
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** This file is part of the QtCore module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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** the names of its contributors may be used to endorse or promote
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** products derived from this software without specific prior written
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** permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef ANIMATION_H
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#define ANIMATION_H
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#include <QtWidgets>
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#include <QtCore/qpropertyanimation.h>
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class Animation : public QPropertyAnimation {
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public:
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enum PathType {
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LinearPath,
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CirclePath,
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NPathTypes
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};
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Animation(QObject *target, const QByteArray &prop)
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: QPropertyAnimation(target, prop)
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{
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setPathType(LinearPath);
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}
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void setPathType(PathType pathType)
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{
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if (pathType >= NPathTypes)
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qWarning("Unknown pathType %d", pathType);
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m_pathType = pathType;
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m_path = QPainterPath();
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}
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void updateCurrentTime(int currentTime)
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{
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if (m_pathType == CirclePath) {
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if (m_path.isEmpty()) {
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QPointF to = endValue().toPointF();
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QPointF from = startValue().toPointF();
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m_path.moveTo(from);
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m_path.addEllipse(QRectF(from, to));
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}
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int dura = duration();
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const qreal progress = ((dura == 0) ? 1 : ((((currentTime - 1) % dura) + 1) / qreal(dura)));
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qreal easedProgress = easingCurve().valueForProgress(progress);
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if (easedProgress > 1.0) {
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easedProgress -= 1.0;
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} else if (easedProgress < 0) {
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easedProgress += 1.0;
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}
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QPointF pt = m_path.pointAtPercent(easedProgress);
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updateCurrentValue(pt);
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emit valueChanged(pt);
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} else {
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QPropertyAnimation::updateCurrentTime(currentTime);
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}
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}
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QPainterPath m_path;
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PathType m_pathType;
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};
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#endif // ANIMATION_H
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