stackedbaranimation.cpp
63 lines
| 2.0 KiB
| text/x-c
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CppLexer
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r1426 | /**************************************************************************** | ||
** | ||||
** Copyright (C) 2012 Digia Plc | ||||
** All rights reserved. | ||||
** For any questions to Digia, please use contact form at http://qt.digia.com | ||||
** | ||||
** This file is part of the Qt Commercial Charts Add-on. | ||||
** | ||||
** $QT_BEGIN_LICENSE$ | ||||
** Licensees holding valid Qt Commercial licenses may use this file in | ||||
** accordance with the Qt Commercial License Agreement provided with the | ||||
** Software or, alternatively, in accordance with the terms contained in | ||||
** a written agreement between you and Digia. | ||||
** | ||||
** If you have questions regarding the use of this file, please use | ||||
** contact form at http://qt.digia.com | ||||
** $QT_END_LICENSE$ | ||||
** | ||||
****************************************************************************/ | ||||
#include "stackedbaranimation_p.h" | ||||
#include "stackedbarchartitem_p.h" | ||||
#include <QTimer> | ||||
Q_DECLARE_METATYPE(QVector<QRectF>) | ||||
QTCOMMERCIALCHART_BEGIN_NAMESPACE | ||||
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r1673 | StackedBarAnimation::StackedBarAnimation(StackedBarChartItem *item) | ||
:AbstractBarAnimation(item) | ||||
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r1426 | { | ||
setEasingCurve(QEasingCurve::OutQuart); | ||||
} | ||||
StackedBarAnimation::~StackedBarAnimation() | ||||
{ | ||||
} | ||||
QVariant StackedBarAnimation::interpolated(const QVariant &from, const QVariant &to, qreal progress) const | ||||
{ | ||||
QVector<QRectF> startVector = qVariantValue<QVector<QRectF> >(from); | ||||
QVector<QRectF> endVector = qVariantValue<QVector<QRectF> >(to); | ||||
QVector<QRectF> result; | ||||
Q_ASSERT(startVector.count() == endVector.count()); | ||||
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r1430 | qreal yAxis = m_item->geometry().height() + m_item->geometry().y(); | ||
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r1426 | |||
for(int i = 0; i < startVector.count(); i++) { | ||||
qreal w = endVector[i].width(); | ||||
qreal h = startVector[i].height() + ((endVector[i].height() - startVector[i].height()) * progress); | ||||
qreal x = endVector[i].topLeft().x(); | ||||
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r1430 | qreal y = yAxis + ((endVector[i].topLeft().y() - yAxis) * progress); | ||
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r1426 | |||
QRectF value(x,y,w,h); | ||||
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r1824 | result << value.normalized(); | ||
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r1426 | } | ||
return qVariantFromValue(result); | ||||
} | ||||
#include "moc_stackedbaranimation_p.cpp" | ||||
QTCOMMERCIALCHART_END_NAMESPACE | ||||