horizontalbaranimation.cpp
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| 2.2 KiB
| text/x-c
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CppLexer
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r1681 | /**************************************************************************** | ||
** | ||||
** 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 "horizontalbaranimation_p.h" | ||||
#include "abstractbarchartitem_p.h" | ||||
#include <QTimer> | ||||
Q_DECLARE_METATYPE(QVector<QRectF>) | ||||
QTCOMMERCIALCHART_BEGIN_NAMESPACE | ||||
Jani Honkonen
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r2097 | HorizontalBarAnimation::HorizontalBarAnimation(AbstractBarChartItem *item) | ||
: AbstractBarAnimation(item) | ||||
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r1681 | { | ||
} | ||||
HorizontalBarAnimation::~HorizontalBarAnimation() | ||||
{ | ||||
} | ||||
QVariant HorizontalBarAnimation::interpolated(const QVariant &from, const QVariant &to, qreal progress) const | ||||
{ | ||||
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r1683 | QVector<QRectF> startVector = qVariantValue<QVector<QRectF> >(from); | ||
QVector<QRectF> endVector = qVariantValue<QVector<QRectF> >(to); | ||||
QVector<QRectF> result; | ||||
Q_ASSERT(startVector.count() == endVector.count()); | ||||
Jani Honkonen
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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(); | ||||
qreal x; | ||||
qreal y = end.top(); | ||||
qreal w; | ||||
qreal h = end.height(); | ||||
if (endVector[i].width() < 0) { | ||||
// Negative bar | ||||
w = start.width() + ((end.width() - start.width()) * progress); | ||||
x = endVector[i].right() - endVector[i].width() - w; | ||||
} else { | ||||
w = startVector[i].width() + ((endVector[i].width() - startVector[i].width()) * progress); | ||||
x = end.left(); | ||||
} | ||||
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r1683 | |||
Jani Honkonen
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r2097 | QRectF value(x, y, w, h); | ||
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r1824 | result << value.normalized(); | ||
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r1683 | } | ||
return qVariantFromValue(result); | ||||
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r1681 | } | ||
#include "moc_horizontalbaranimation_p.cpp" | ||||
QTCOMMERCIALCHART_END_NAMESPACE | ||||