baranimation.cpp
82 lines
| 2.6 KiB
| text/x-c
|
CppLexer
|
r794 | /**************************************************************************** | ||
** | ||||
|
r2432 | ** Copyright (C) 2013 Digia Plc | ||
|
r794 | ** All rights reserved. | ||
** For any questions to Digia, please use contact form at http://qt.digia.com | ||||
** | ||||
|
r2574 | ** This file is part of the Qt Enterprise Charts Add-on. | ||
|
r794 | ** | ||
** $QT_BEGIN_LICENSE$ | ||||
|
r2574 | ** Licensees holding valid Qt Enterprise licenses may use this file in | ||
** accordance with the Qt Enterprise License Agreement provided with the | ||||
|
r794 | ** 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 | ||||
** $QT_END_LICENSE$ | ||||
** | ||||
****************************************************************************/ | ||||
|
r671 | #include "baranimation_p.h" | ||
|
r1674 | #include "abstractbarchartitem_p.h" | ||
|
r671 | |||
|
r681 | Q_DECLARE_METATYPE(QVector<QRectF>) | ||
|
r671 | |||
QTCOMMERCIALCHART_BEGIN_NAMESPACE | ||||
|
r1674 | BarAnimation::BarAnimation(AbstractBarChartItem *item) | ||
|
r2316 | : ChartAnimation(item), | ||
m_item(item) | ||||
|
r671 | { | ||
|
r2316 | setDuration(ChartAnimationDuration); | ||
setEasingCurve(QEasingCurve::OutQuart); | ||||
|
r671 | } | ||
BarAnimation::~BarAnimation() | ||||
{ | ||||
} | ||||
QVariant BarAnimation::interpolated(const QVariant &from, const QVariant &to, qreal progress) const | ||||
{ | ||||
|
r2241 | QVector<QRectF> startVector = qvariant_cast<QVector<QRectF> >(from); | ||
QVector<QRectF> endVector = qvariant_cast<QVector<QRectF> >(to); | ||||
|
r681 | QVector<QRectF> result; | ||
|
r671 | |||
|
r1056 | Q_ASSERT(startVector.count() == endVector.count()); | ||
|
r671 | |||
|
r2097 | for (int i = 0; i < startVector.count(); i++) { | ||
|
r1879 | QRectF start = startVector[i].normalized(); | ||
QRectF end = endVector[i].normalized(); | ||||
|
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()); | ||||
|
r1879 | |||
|
r2316 | QRectF value(QPointF(x1, y1), QPointF(x2, y2)); | ||
|
r1824 | result << value.normalized(); | ||
|
r671 | } | ||
return qVariantFromValue(result); | ||||
} | ||||
|
r2316 | void BarAnimation::updateCurrentValue(const QVariant &value) | ||
{ | ||||
|
r2320 | if (state() != QAbstractAnimation::Stopped) { //workaround | ||
QVector<QRectF> layout = qvariant_cast<QVector<QRectF> >(value); | ||||
m_item->setLayout(layout); | ||||
} | ||||
|
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)); | ||||
} | ||||
|
r671 | #include "moc_baranimation_p.cpp" | ||
QTCOMMERCIALCHART_END_NAMESPACE | ||||
|
r2316 | |||