xyanimation.cpp
146 lines
| 4.1 KiB
| text/x-c
|
CppLexer
Jani Honkonen
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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 | ||||
| ** $QT_END_LICENSE$ | ||||
| ** | ||||
| ****************************************************************************/ | ||||
Michal Klocek
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r530 | #include "xyanimation_p.h" | ||
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r1218 | #include "xychart_p.h" | ||
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r996 | #include <QDebug> | ||
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r530 | |||
| Q_DECLARE_METATYPE(QVector<QPointF>) | ||||
| QTCOMMERCIALCHART_BEGIN_NAMESPACE | ||||
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r1218 | XYAnimation::XYAnimation(XYChart *item):ChartAnimation(item), | ||
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r530 | m_item(item), | ||
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r1217 | m_dirty(false), | ||
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r1241 | m_type(NewAnimation) | ||
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r530 | { | ||
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r1241 | setDuration(ChartAnimationDuration); | ||
| setEasingCurve(QEasingCurve::OutQuart); | ||||
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r530 | } | ||
| XYAnimation::~XYAnimation() | ||||
| { | ||||
| } | ||||
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r1217 | void XYAnimation::setAnimationType(Animation type) | ||
| { | ||||
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r1241 | if (state() != QAbstractAnimation::Stopped) stop(); | ||
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r1217 | m_type=type; | ||
| } | ||||
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r1241 | void XYAnimation::setValues(const QVector<QPointF> &oldPoints, const QVector<QPointF> &newPoints, int index) | ||
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r530 | { | ||
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r1241 | if (state() != QAbstractAnimation::Stopped) stop(); | ||
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r1220 | |||
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r1241 | if (m_item->isDirty()) { | ||
| m_oldPoints = oldPoints; | ||||
| m_newPoints = newPoints; | ||||
| m_dirty=false; | ||||
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r530 | } | ||
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r622 | else { | ||
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r1241 | if(m_dirty) { | ||
| m_newPoints = newPoints; | ||||
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r622 | m_oldPoints = oldPoints; | ||
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r1241 | m_dirty=false; | ||
| } | ||||
| } | ||||
| int x = m_oldPoints.count(); | ||||
| int y = m_newPoints.count(); | ||||
| if (abs(x - y) == 1) { | ||||
| if (y < x){ | ||||
| if(!newPoints.isEmpty()) m_newPoints.insert(index,newPoints[index]); | ||||
| m_index=index;if(newPoints.isEmpty()) | ||||
| m_dirty=true; | ||||
| } | ||||
| if (y > x){ | ||||
| m_oldPoints.insert(index, x > 0 ? m_oldPoints[index-1] : newPoints[index]);//add | ||||
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r622 | } | ||
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r1241 | }else{ | ||
| m_newPoints=newPoints; | ||||
| m_dirty=false; | ||||
| m_oldPoints.resize(m_newPoints.size()); | ||||
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r622 | } | ||
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r1241 | |||
| setKeyValueAt(0.0, qVariantFromValue(m_oldPoints)); | ||||
| setKeyValueAt(1.0, qVariantFromValue(m_newPoints)); | ||||
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r530 | } | ||
Marek Rosa
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r738 | QVariant XYAnimation::interpolated(const QVariant &start, const QVariant &end, qreal progress ) const | ||
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r530 | { | ||
| QVector<QPointF> startVector = qVariantValue<QVector<QPointF> >(start); | ||||
| QVector<QPointF> endVector = qVariantValue<QVector<QPointF> >(end); | ||||
| QVector<QPointF> result; | ||||
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r738 | switch (m_type) { | ||
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r602 | |||
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r1241 | case ReplacePointAnimation: | ||
| case AddPointAnimation: | ||||
| case RemovePointAnimation: | ||||
| { | ||||
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r738 | if (startVector.count() != endVector.count()) | ||
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r530 | break; | ||
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r738 | |||
| for(int i = 0; i < startVector.count(); i++) { | ||||
| qreal x = startVector[i].x() + ((endVector[i].x() - startVector[i].x()) * progress); | ||||
| qreal y = startVector[i].y() + ((endVector[i].y() - startVector[i].y()) * progress); | ||||
| result << QPointF(x, y); | ||||
|
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r530 | } | ||
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r738 | |||
| } | ||||
| break; | ||||
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r1241 | case NewAnimation: { | ||
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r974 | for(int i = 0; i < endVector.count() * qBound(qreal(0), progress, qreal(1)); i++) | ||
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r738 | result << endVector[i]; | ||
| } | ||||
| break; | ||||
| default: | ||||
| qWarning() << "Unknown type of animation"; | ||||
| break; | ||||
|
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r530 | } | ||
| return qVariantFromValue(result); | ||||
| } | ||||
|
Marek Rosa
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r738 | void XYAnimation::updateCurrentValue (const QVariant &value) | ||
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r530 | { | ||
| if(state()!=QAbstractAnimation::Stopped){ //workaround | ||||
| QVector<QPointF> vector = qVariantValue<QVector<QPointF> >(value); | ||||
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r1217 | m_item->setGeometryPoints(vector); | ||
| m_item->updateGeometry(); | ||||
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r1241 | m_item->setDirty(true); | ||
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r530 | } | ||
| } | ||||
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r1241 | void XYAnimation::updateState( QAbstractAnimation::State newState, QAbstractAnimation::State oldState ) | ||
| { | ||||
| if(oldState == QAbstractAnimation::Running && newState == QAbstractAnimation::Stopped) | ||||
| { | ||||
| if(m_item->isDirty() && m_type==RemovePointAnimation){ | ||||
| if(!m_newPoints.isEmpty()) m_newPoints.remove(m_index); | ||||
| m_item->setGeometryPoints(m_newPoints); | ||||
| } | ||||
| } | ||||
| } | ||||
| #include "moc_chartanimation_p.cpp" | ||||
|
Michal Klocek
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r530 | QTCOMMERCIALCHART_END_NAMESPACE | ||