axisanimation.cpp
138 lines
| 4.2 KiB
| text/x-c
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CppLexer
Titta Heikkala
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r2845 | /****************************************************************************** | ||
Jani Honkonen
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r794 | ** | ||
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r2845 | ** Copyright (C) 2015 The Qt Company Ltd. | ||
** Contact: http://www.qt.io/licensing/ | ||||
Jani Honkonen
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r794 | ** | ||
Titta Heikkala
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r2740 | ** This file is part of the Qt Charts module. | ||
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r794 | ** | ||
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r2845 | ** $QT_BEGIN_LICENSE:COMM$ | ||
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r794 | ** | ||
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r2845 | ** Commercial License Usage | ||
** Licensees holding valid commercial Qt licenses may use this file in | ||||
** accordance with the commercial license agreement provided with the | ||||
** Software or, alternatively, in accordance with the terms contained in | ||||
** a written agreement between you and The Qt Company. For licensing terms | ||||
** and conditions see http://www.qt.io/terms-conditions. For further | ||||
** information use the contact form at http://www.qt.io/contact-us. | ||||
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r794 | ** | ||
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r2845 | ** $QT_END_LICENSE$ | ||
** | ||||
******************************************************************************/ | ||||
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r794 | |||
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r2714 | #include <private/axisanimation_p.h> | ||
#include <private/chartaxiselement_p.h> | ||||
#include <private/qabstractaxis_p.h> | ||||
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r530 | |||
Q_DECLARE_METATYPE(QVector<qreal>) | ||||
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r2712 | QT_CHARTS_BEGIN_NAMESPACE | ||
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r530 | |||
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r2804 | AxisAnimation::AxisAnimation(ChartAxisElement *axis, int duration, QEasingCurve &curve) | ||
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r2097 | : ChartAnimation(axis), | ||
m_axis(axis), | ||||
m_type(DefaultAnimation) | ||||
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r530 | { | ||
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r2804 | setDuration(duration); | ||
setEasingCurve(curve); | ||||
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r530 | } | ||
AxisAnimation::~AxisAnimation() | ||||
{ | ||||
} | ||||
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r1241 | void AxisAnimation::setAnimationType(Animation type) | ||
{ | ||||
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r2097 | if (state() != QAbstractAnimation::Stopped) | ||
stop(); | ||||
m_type = type; | ||||
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r1241 | } | ||
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r2104 | void AxisAnimation::setAnimationPoint(const QPointF &point) | ||
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r1241 | { | ||
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r2097 | if (state() != QAbstractAnimation::Stopped) | ||
stop(); | ||||
m_point = point; | ||||
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r1241 | } | ||
void AxisAnimation::setValues(QVector<qreal> &oldLayout, QVector<qreal> &newLayout) | ||||
{ | ||||
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r2105 | if (state() != QAbstractAnimation::Stopped) stop(); | ||
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r2097 | |||
switch (m_type) { | ||||
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r2131 | case ZoomOutAnimation: { | ||
QRectF rect = m_axis->gridGeometry(); | ||||
oldLayout.resize(newLayout.count()); | ||||
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r2097 | |||
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r2131 | for (int i = 0, j = oldLayout.count() - 1; i < (oldLayout.count() + 1) / 2; ++i, --j) { | ||
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r2483 | oldLayout[i] = m_axis->axis()->orientation() == Qt::Horizontal ? rect.left() : rect.bottom(); | ||
oldLayout[j] = m_axis->axis()->orientation() == Qt::Horizontal ? rect.right() : rect.top(); | ||||
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r2097 | } | ||
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r2131 | } | ||
break; | ||||
case ZoomInAnimation: { | ||||
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r2483 | int index = qMin(oldLayout.count() * (m_axis->axis()->orientation() == Qt::Horizontal ? m_point.x() : (1 - m_point.y())), newLayout.count() - (qreal)1.0); | ||
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r2131 | oldLayout.resize(newLayout.count()); | ||
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r2097 | |||
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r2784 | if (index < 0) | ||
break; | ||||
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r2131 | for (int i = 0; i < oldLayout.count(); i++) | ||
oldLayout[i] = oldLayout[index]; | ||||
} | ||||
break; | ||||
case MoveForwardAnimation: { | ||||
oldLayout.resize(newLayout.count()); | ||||
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r2097 | |||
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r2131 | 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->gridGeometry(); | ||||
for (int i = 0, j = oldLayout.count() - 1; i < oldLayout.count(); ++i, --j) | ||||
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r2483 | oldLayout[i] = m_axis->axis()->orientation() == Qt::Horizontal ? rect.left() : rect.top(); | ||
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r2131 | } | ||
break; | ||||
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r2097 | } | ||
QVariantAnimation::KeyValues value; | ||||
setKeyValues(value); //workaround for wrong interpolation call | ||||
setKeyValueAt(0.0, qVariantFromValue(oldLayout)); | ||||
setKeyValueAt(1.0, qVariantFromValue(newLayout)); | ||||
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r1241 | } | ||
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r2097 | QVariant AxisAnimation::interpolated(const QVariant &start, const QVariant &end, qreal progress) const | ||
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r530 | { | ||
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r2241 | QVector<qreal> startVector = qvariant_cast<QVector<qreal> >(start); | ||
QVector<qreal> endVecotr = qvariant_cast<QVector<qreal> >(end); | ||||
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r530 | QVector<qreal> result; | ||
Q_ASSERT(startVector.count() == endVecotr.count()) ; | ||||
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r2097 | for (int i = 0; i < startVector.count(); i++) { | ||
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r2712 | qreal value = startVector[i] + ((endVecotr[i] - startVector[i]) * progress); | ||
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r2097 | result << value; | ||
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r530 | } | ||
return qVariantFromValue(result); | ||||
} | ||||
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r2097 | void AxisAnimation::updateCurrentValue(const QVariant &value) | ||
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r530 | { | ||
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r2097 | if (state() != QAbstractAnimation::Stopped) { //workaround | ||
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r2241 | QVector<qreal> vector = qvariant_cast<QVector<qreal> >(value); | ||
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r530 | m_axis->setLayout(vector); | ||
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r1241 | m_axis->updateGeometry(); | ||
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r530 | } | ||
} | ||||
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r2712 | QT_CHARTS_END_NAMESPACE | ||