splineanimation.cpp
212 lines
| 7.2 KiB
| text/x-c
|
CppLexer
Jani Honkonen
|
r794 | /**************************************************************************** | ||
Michal Klocek
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r1288 | ** | ||
| ** 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 | ||||
| ** $QT_END_LICENSE$ | ||||
| ** | ||||
| ****************************************************************************/ | ||||
|
Jani Honkonen
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r794 | |||
|
Michal Klocek
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r622 | #include "splineanimation_p.h" | ||
| #include "splinechartitem_p.h" | ||||
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r996 | #include <QDebug> | ||
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r622 | |||
| Q_DECLARE_METATYPE(QVector<QPointF>) | ||||
| Q_DECLARE_METATYPE(SplineVector) | ||||
| QTCOMMERCIALCHART_BEGIN_NAMESPACE | ||||
|
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r1217 | SplineAnimation::SplineAnimation(SplineChartItem* item):XYAnimation(item), | ||
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r1770 | m_item(item), | ||
| m_valid(false) | ||||
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r622 | { | ||
| } | ||||
| SplineAnimation::~SplineAnimation() | ||||
| { | ||||
| } | ||||
|
Michal Klocek
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r1271 | void SplineAnimation::setup(QVector<QPointF> &oldPoints, QVector<QPointF> &newPoints, QVector<QPointF> &oldControlPoints, QVector<QPointF> &newControlPoints, int index) | ||
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r622 | { | ||
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r1770 | if(newPoints.count() * 2 - 2 != newControlPoints.count() || newControlPoints.count() < 2){ | ||
| m_valid=false; | ||||
| m_dirty=false; | ||||
| m_item->setGeometryPoints(newPoints); | ||||
| m_item->setControlGeometryPoints(newControlPoints); | ||||
| m_item->setDirty(false); | ||||
| m_item->updateGeometry(); | ||||
| return; | ||||
| } | ||||
|
Michal Klocek
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r622 | |||
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r1288 | m_type = NewAnimation; | ||
| if (state() != QAbstractAnimation::Stopped) { | ||||
| stop(); | ||||
| m_dirty=false; | ||||
|
Michal Klocek
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r622 | } | ||
|
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r1288 | |||
| if(!m_dirty) { | ||||
| m_dirty = true; | ||||
| m_oldSpline.first = oldPoints; | ||||
| m_oldSpline.second = oldControlPoints; | ||||
| } | ||||
| m_newSpline.first=newPoints; | ||||
| m_newSpline.second=newControlPoints; | ||||
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r1770 | |||
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r1288 | int x = m_oldSpline.first.count(); | ||
| int y = m_newSpline.first.count(); | ||||
| if(x - y == 1 && index >= 0 && y>0) { | ||||
| //remove point | ||||
| if(index>0){ | ||||
| m_newSpline.first.insert(index, newPoints[index-1]); | ||||
| m_newSpline.second.insert((index -1) * 2, newPoints[index-1] ); | ||||
| m_newSpline.second.insert((index -1) * 2 + 1, newPoints[index-1]); | ||||
| }else{ | ||||
| m_newSpline.first.insert(index, newPoints[index]); | ||||
| m_newSpline.second.insert(index * 2, newPoints[index] ); | ||||
| m_newSpline.second.insert(index * 2 + 1, newPoints[index]); | ||||
|
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r622 | } | ||
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r1288 | m_index=index; | ||
| m_type = RemovePointAnimation; | ||||
| } | ||||
| if(x - y == -1 && index >= 0) { | ||||
| //add point | ||||
| if(index>0){ | ||||
| m_oldSpline.first.insert(index, newPoints[index-1]); | ||||
| m_oldSpline.second.insert((index - 1) * 2, newPoints[index-1]); | ||||
| m_oldSpline.second.insert((index - 1) * 2 + 1, newPoints[index-1]); | ||||
| }else{ | ||||
| m_oldSpline.first.insert(index, newPoints[index]); | ||||
| m_oldSpline.second.insert((index - 1) * 2, newPoints[index]); | ||||
| m_oldSpline.second.insert((index - 1) * 2 + 1, newPoints[index]); | ||||
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r622 | } | ||
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r1288 | m_index=index; | ||
| m_type = AddPointAnimation; | ||||
| } | ||||
| x = m_oldSpline.first.count(); | ||||
| y = m_newSpline.first.count(); | ||||
| if(x != y) | ||||
| { | ||||
| m_type = NewAnimation; | ||||
| } | ||||
| else if(m_type == NewAnimation) | ||||
| { | ||||
| m_type = ReplacePointAnimation; | ||||
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r622 | } | ||
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r1288 | |||
| setKeyValueAt(0.0, qVariantFromValue(m_oldSpline)); | ||||
| setKeyValueAt(1.0, qVariantFromValue(m_newSpline)); | ||||
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r1770 | |||
| m_valid=true; | ||||
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r1288 | |||
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r622 | } | ||
Marek Rosa
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r738 | QVariant SplineAnimation::interpolated(const QVariant &start, const QVariant &end, qreal progress ) const | ||
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r622 | { | ||
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r1288 | SplineVector startPair = qVariantValue< SplineVector >(start); | ||
| SplineVector endPair = qVariantValue< SplineVector >(end); | ||||
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r622 | SplineVector result; | ||
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r1217 | switch (animationType()) { | ||
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r622 | |||
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r1288 | case RemovePointAnimation: | ||
| case AddPointAnimation: | ||||
| case ReplacePointAnimation: | ||||
| { | ||||
| if (startPair.first.count() != endPair.first.count()) | ||||
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r622 | break; | ||
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r1288 | Q_ASSERT(startPair.first.count() * 2 - 2 == startPair.second.count()); | ||
| Q_ASSERT(endPair.first.count() * 2 - 2 == endPair.second.count()); | ||||
| for(int i = 0; i < endPair.first.count(); i++) { | ||||
| qreal x = startPair.first[i].x() + ((endPair.first[i].x() - startPair.first[i].x()) * progress); | ||||
| qreal y = startPair.first[i].y() + ((endPair.first[i].y() - startPair.first[i].y()) * progress); | ||||
| result.first << QPointF(x,y); | ||||
| if (i + 1 >= endPair.first.count()) | ||||
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Marek Rosa
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r738 | continue; | ||
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r1288 | x = startPair.second[i * 2].x() + ((endPair.second[i * 2].x() - startPair.second[i * 2].x()) * progress); | ||
| y = startPair.second[i * 2].y() + ((endPair.second[i * 2].y() - startPair.second[i * 2].y()) * progress); | ||||
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r1773 | result.second << QPointF(x,y); | ||
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r1288 | x = startPair.second[i * 2 + 1].x() + ((endPair.second[i * 2 + 1].x() - startPair.second[i * 2 + 1].x()) * progress); | ||
| y = startPair.second[i * 2 + 1].y() + ((endPair.second[i * 2 + 1].y() - startPair.second[i * 2 + 1].y()) * progress); | ||||
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r1773 | result.second << QPointF(x,y); | ||
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r1288 | } | ||
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r738 | |||
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r1288 | } | ||
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Marek Rosa
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r738 | break; | ||
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r1288 | case NewAnimation: { | ||
| Q_ASSERT(endPair.first.count() * 2 - 2 == endPair.second.count()); | ||||
| int count = endPair.first.count()* qBound(qreal(0), progress, qreal(1)); | ||||
| for(int i = 0; i < count; i++) { | ||||
| result.first << endPair.first[i]; | ||||
| if(i + 1 == count) | ||||
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Marek Rosa
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r738 | break; | ||
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r1288 | result.second << endPair.second[2 * i]; | ||
| result.second << endPair.second[2 * i + 1]; | ||||
| } | ||||
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r738 | } | ||
| break; | ||||
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r1288 | default: | ||
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r1217 | qWarning() << "Unknown type of animation"; | ||
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Marek Rosa
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r738 | break; | ||
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r622 | } | ||
| return qVariantFromValue(result); | ||||
| } | ||||
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Marek Rosa
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r738 | void SplineAnimation::updateCurrentValue (const QVariant &value ) | ||
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r622 | { | ||
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r1770 | if (state() != QAbstractAnimation::Stopped && m_valid) { //workaround | ||
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r622 | QPair<QVector<QPointF >, QVector<QPointF > > pair = qVariantValue< QPair< QVector<QPointF>, QVector<QPointF> > >(value); | ||
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r1217 | m_item->setGeometryPoints(pair.first); | ||
| m_item->setControlGeometryPoints(pair.second); | ||||
| m_item->updateGeometry(); | ||||
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r1288 | m_item->setDirty(true); | ||
| m_dirty = false; | ||||
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r622 | } | ||
| } | ||||
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r1288 | void SplineAnimation::updateState(QAbstractAnimation::State newState, QAbstractAnimation::State oldState) | ||
| { | ||||
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r1770 | XYAnimation::updateState(newState, oldState); | ||
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r1288 | if(oldState == QAbstractAnimation::Running && newState == QAbstractAnimation::Stopped) | ||
| { | ||||
| if(m_item->isDirty() && m_type==RemovePointAnimation) { | ||||
| if(!m_newSpline.first.isEmpty()) { | ||||
| m_newSpline.first.remove(m_index); | ||||
| m_newSpline.second.remove((m_index-1) * 2); | ||||
| m_newSpline.second.remove((m_index-1) * 2); | ||||
| } | ||||
| m_item->setGeometryPoints(m_newSpline.first); | ||||
| m_item->setControlGeometryPoints(m_newSpline.second); | ||||
| } | ||||
| } | ||||
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r1770 | |||
| if(oldState == QAbstractAnimation::Stopped && newState == QAbstractAnimation::Running) | ||||
| { | ||||
| if(!m_valid) { | ||||
| stop(); | ||||
| } | ||||
| } | ||||
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r1288 | } | ||
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r622 | |||
| QTCOMMERCIALCHART_END_NAMESPACE | ||||