baranimation.cpp
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CppLexer
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r794 | /**************************************************************************** | ||
** | ||||
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r2776 | ** Copyright (C) 2015 The Qt Company Ltd | ||
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r794 | ** All rights reserved. | ||
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r2776 | ** For any questions to The Qt Company, please use contact form at http://qt.io | ||
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r794 | ** | ||
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r2740 | ** This file is part of the Qt Charts module. | ||
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r794 | ** | ||
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r2740 | ** Licensees holding valid commercial license for Qt may use this file in | ||
** accordance with the Qt License Agreement provided with the Software | ||||
** or, alternatively, in accordance with the terms contained in a written | ||||
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r2776 | ** agreement between you and The Qt Company. | ||
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r794 | ** | ||
** If you have questions regarding the use of this file, please use | ||||
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r2740 | ** contact form at http://qt.io | ||
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r794 | ** | ||
****************************************************************************/ | ||||
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r2714 | #include <private/baranimation_p.h> | ||
#include <private/abstractbarchartitem_p.h> | ||||
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r671 | |||
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r681 | Q_DECLARE_METATYPE(QVector<QRectF>) | ||
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r671 | |||
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r2712 | QT_CHARTS_BEGIN_NAMESPACE | ||
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r671 | |||
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r1674 | BarAnimation::BarAnimation(AbstractBarChartItem *item) | ||
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r2316 | : ChartAnimation(item), | ||
m_item(item) | ||||
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r671 | { | ||
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r2316 | setDuration(ChartAnimationDuration); | ||
setEasingCurve(QEasingCurve::OutQuart); | ||||
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r671 | } | ||
BarAnimation::~BarAnimation() | ||||
{ | ||||
} | ||||
QVariant BarAnimation::interpolated(const QVariant &from, const QVariant &to, qreal progress) const | ||||
{ | ||||
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r2241 | QVector<QRectF> startVector = qvariant_cast<QVector<QRectF> >(from); | ||
QVector<QRectF> endVector = qvariant_cast<QVector<QRectF> >(to); | ||||
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r681 | QVector<QRectF> result; | ||
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r671 | |||
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r1056 | Q_ASSERT(startVector.count() == endVector.count()); | ||
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r671 | |||
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r2097 | for (int i = 0; i < startVector.count(); i++) { | ||
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r1879 | QRectF start = startVector[i].normalized(); | ||
QRectF end = endVector[i].normalized(); | ||||
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r2316 | qreal x1 = start.left() + progress * (end.left() - start.left()); | ||
qreal x2 = start.right() + progress * (end.right() - start.right()); | ||||
qreal y1 = start.top() + progress * (end.top() - start.top()); | ||||
qreal y2 = start.bottom() + progress * (end.bottom() - start.bottom()); | ||||
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r1879 | |||
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r2316 | QRectF value(QPointF(x1, y1), QPointF(x2, y2)); | ||
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r1824 | result << value.normalized(); | ||
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r671 | } | ||
return qVariantFromValue(result); | ||||
} | ||||
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r2316 | void BarAnimation::updateCurrentValue(const QVariant &value) | ||
{ | ||||
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r2320 | if (state() != QAbstractAnimation::Stopped) { //workaround | ||
QVector<QRectF> layout = qvariant_cast<QVector<QRectF> >(value); | ||||
m_item->setLayout(layout); | ||||
} | ||||
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r2316 | } | ||
void BarAnimation::setup(const QVector<QRectF> &oldLayout, const QVector<QRectF> &newLayout) | ||||
{ | ||||
QVariantAnimation::KeyValues value; | ||||
setKeyValues(value); //workaround for wrong interpolation call | ||||
setKeyValueAt(0.0, qVariantFromValue(oldLayout)); | ||||
setKeyValueAt(1.0, qVariantFromValue(newLayout)); | ||||
} | ||||
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r671 | #include "moc_baranimation_p.cpp" | ||
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r2712 | QT_CHARTS_END_NAMESPACE | ||
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r2316 | |||