axisanimation.cpp
139 lines
| 4.3 KiB
| text/x-c
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CppLexer
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r794 | /**************************************************************************** | ||
** | ||||
** 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 | ||||
** $QT_END_LICENSE$ | ||||
** | ||||
****************************************************************************/ | ||||
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r530 | #include "axisanimation_p.h" | ||
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r1241 | #include "chartaxis_p.h" | ||
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r530 | #include <QTimer> | ||
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r1241 | #include <QDebug> | ||
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r530 | |||
Q_DECLARE_METATYPE(QVector<qreal>) | ||||
QTCOMMERCIALCHART_BEGIN_NAMESPACE | ||||
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r1006 | AxisAnimation::AxisAnimation(ChartAxis *axis): ChartAnimation(axis), | ||
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r1241 | m_axis(axis), | ||
m_type(DefaultAnimation) | ||||
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r530 | { | ||
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r1241 | setDuration(ChartAnimationDuration); | ||
setEasingCurve(QEasingCurve::OutQuart); | ||||
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r530 | } | ||
AxisAnimation::~AxisAnimation() | ||||
{ | ||||
} | ||||
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r1241 | void AxisAnimation::setAnimationType(Animation type) | ||
{ | ||||
if (state() != QAbstractAnimation::Stopped) stop(); | ||||
m_type=type; | ||||
} | ||||
void AxisAnimation::setAnimationPoint(const QPointF& point) | ||||
{ | ||||
if (state() != QAbstractAnimation::Stopped) stop(); | ||||
m_point=point; | ||||
} | ||||
void AxisAnimation::setValues(QVector<qreal> &oldLayout, QVector<qreal> &newLayout) | ||||
{ | ||||
if (state() != QAbstractAnimation::Stopped) stop(); | ||||
if (newLayout.count() == 0) | ||||
return; | ||||
switch (m_type) { | ||||
case ZoomOutAnimation: { | ||||
QRectF rect = m_axis->geometry(); | ||||
oldLayout.resize(newLayout.count()); | ||||
for(int i = 0, j = oldLayout.count() - 1; i < (oldLayout.count() + 1) / 2; ++i, --j) { | ||||
oldLayout[i] = m_axis->axisType() == ChartAxis::X_AXIS ? rect.left() : rect.bottom(); | ||||
oldLayout[j] = m_axis->axisType() == ChartAxis::X_AXIS ? rect.right() : rect.top(); | ||||
} | ||||
} | ||||
break; | ||||
case ZoomInAnimation: { | ||||
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r1679 | int index = qMin(oldLayout.count() * (m_axis->axisType() == ChartAxis::X_AXIS ? m_point.x() : (1 - m_point.y())), newLayout.count() - (qreal)1.0); | ||
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r1241 | oldLayout.resize(newLayout.count()); | ||
for(int i = 0; i < oldLayout.count(); i++) | ||||
oldLayout[i]= oldLayout[index]; | ||||
} | ||||
break; | ||||
case MoveForwardAnimation: { | ||||
oldLayout.resize(newLayout.count()); | ||||
for(int i = 0, j = i + 1; i < oldLayout.count() - 1; ++i, ++j) | ||||
oldLayout[i]= oldLayout[j]; | ||||
} | ||||
break; | ||||
case MoveBackwordAnimation: { | ||||
oldLayout.resize(newLayout.count()); | ||||
for(int i = oldLayout.count() - 1, j = i - 1; i > 0; --i, --j) | ||||
oldLayout[i]= oldLayout[j]; | ||||
} | ||||
break; | ||||
default: { | ||||
oldLayout.resize(newLayout.count()); | ||||
QRectF rect = m_axis->geometry(); | ||||
for(int i = 0, j = oldLayout.count() - 1; i < oldLayout.count(); ++i, --j) | ||||
oldLayout[i] = m_axis->axisType() == ChartAxis::X_AXIS ? rect.left() : rect.top(); | ||||
} | ||||
break; | ||||
} | ||||
QVariantAnimation::KeyValues value; | ||||
setKeyValues(value); //workaround for wrong interpolation call | ||||
setKeyValueAt(0.0, qVariantFromValue(oldLayout)); | ||||
setKeyValueAt(1.0, qVariantFromValue(newLayout)); | ||||
} | ||||
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r738 | QVariant AxisAnimation::interpolated(const QVariant &start, const QVariant &end, qreal progress ) const | ||
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r530 | { | ||
QVector<qreal> startVector = qVariantValue<QVector<qreal> >(start); | ||||
QVector<qreal> endVecotr = qVariantValue<QVector<qreal> >(end); | ||||
QVector<qreal> result; | ||||
Q_ASSERT(startVector.count() == endVecotr.count()) ; | ||||
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r738 | for(int i = 0; i < startVector.count(); i++){ | ||
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r530 | qreal value = startVector[i] + ((endVecotr[i]- startVector[i]) * progress);//qBound(0.0, progress, 1.0)); | ||
result << value; | ||||
} | ||||
return qVariantFromValue(result); | ||||
} | ||||
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r738 | void AxisAnimation::updateCurrentValue (const QVariant &value ) | ||
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r530 | { | ||
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r738 | if (state() != QAbstractAnimation::Stopped)//workaround | ||
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r530 | { | ||
QVector<qreal> vector = qVariantValue<QVector<qreal> >(value); | ||||
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r738 | Q_ASSERT(vector.count() != 0); | ||
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r530 | m_axis->setLayout(vector); | ||
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r1241 | m_axis->updateGeometry(); | ||
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r1890 | m_axis->checkLayout(); | ||
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r530 | } | ||
} | ||||
QTCOMMERCIALCHART_END_NAMESPACE | ||||