axisanimation.cpp
141 lines
| 4.3 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 "axisanimation_p.h" | ||
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r1241 | #include "chartaxis_p.h" | ||
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r1965 | #include "chartpresenter_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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r2097 | AxisAnimation::AxisAnimation(ChartAxis *axis) | ||
| : ChartAnimation(axis), | ||||
| 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) | ||
| { | ||||
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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 | |||
| if (newLayout.count() == 0) | ||||
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r2131 | return; | ||
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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) { | ||
| oldLayout[i] = m_axis->orientation() == Qt::Horizontal ? rect.left() : rect.bottom(); | ||||
| oldLayout[j] = m_axis->orientation() == Qt::Horizontal ? rect.right() : rect.top(); | ||||
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r2097 | } | ||
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r2131 | } | ||
| break; | ||||
| case ZoomInAnimation: { | ||||
| int index = qMin(oldLayout.count() * (m_axis->orientation() == Qt::Horizontal ? m_point.x() : (1 - m_point.y())), newLayout.count() - (qreal)1.0); | ||||
| oldLayout.resize(newLayout.count()); | ||||
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r2097 | |||
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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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r2111 | oldLayout[i] = m_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 | { | ||
| 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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r2097 | for (int i = 0; i < startVector.count(); i++) { | ||
| qreal value = startVector[i] + ((endVecotr[i] - startVector[i]) * progress); //qBound(0.0, progress, 1.0)); | ||||
| 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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r530 | QVector<qreal> vector = qVariantValue<QVector<qreal> >(value); | ||
Marek Rosa
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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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r530 | } | ||
| } | ||||
| QTCOMMERCIALCHART_END_NAMESPACE | ||||