##// END OF EJS Templates
Add Polar chart support...
Add Polar chart support This commit also heavily refactors things as polar chart needs separate implementation of various classes that previously only needed one, such as ChartAxis and ChartLayout. Task-number: QTRD-1757 Change-Id: I3d3db23920314987ceef3ae92879960b833b7136 Reviewed-by: Miikka Heikkinen <miikka.heikkinen@digia.com>

File last commit:

r2432:53927f716a3d
r2483:f494279b6366
Show More
pieanimation.cpp
110 lines | 3.3 KiB | text/x-c | CppLexer
/****************************************************************************
**
** Copyright (C) 2013 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
** $QT_END_LICENSE$
**
****************************************************************************/
#include "pieanimation_p.h"
#include "piesliceanimation_p.h"
#include "piechartitem_p.h"
QTCOMMERCIALCHART_BEGIN_NAMESPACE
PieAnimation::PieAnimation(PieChartItem *item)
: ChartAnimation(item),
m_item(item)
{
}
PieAnimation::~PieAnimation()
{
}
ChartAnimation *PieAnimation::updateValue(PieSliceItem *sliceItem, const PieSliceData &sliceData)
{
PieSliceAnimation *animation = m_animations.value(sliceItem);
if (!animation) {
animation = new PieSliceAnimation(sliceItem);
m_animations.insert(sliceItem, animation);
} else {
animation->stop();
}
animation->updateValue(sliceData);
animation->setDuration(ChartAnimationDuration);
animation->setEasingCurve(QEasingCurve::OutQuart);
return animation;
}
ChartAnimation *PieAnimation::addSlice(PieSliceItem *sliceItem, const PieSliceData &sliceData, bool startupAnimation)
{
PieSliceAnimation *animation = new PieSliceAnimation(sliceItem);
m_animations.insert(sliceItem, animation);
PieSliceData startValue = sliceData;
startValue.m_radius = 0;
if (startupAnimation)
startValue.m_startAngle = 0;
else
startValue.m_startAngle = sliceData.m_startAngle + (sliceData.m_angleSpan / 2);
startValue.m_angleSpan = 0;
if (sliceData.m_holeRadius > 0)
startValue.m_radius = sliceData.m_holeRadius;
animation->setValue(startValue, sliceData);
animation->setDuration(ChartAnimationDuration);
animation->setEasingCurve(QEasingCurve::OutQuart);
return animation;
}
ChartAnimation *PieAnimation::removeSlice(PieSliceItem *sliceItem)
{
PieSliceAnimation *animation = m_animations.value(sliceItem);
Q_ASSERT(animation);
animation->stop();
PieSliceData endValue = animation->currentSliceValue();
if (endValue.m_holeRadius > 0)
endValue.m_radius = endValue.m_holeRadius;
else
endValue.m_radius = 0;
endValue.m_startAngle = endValue.m_startAngle + endValue.m_angleSpan;
endValue.m_angleSpan = 0;
endValue.m_isLabelVisible = false;
animation->updateValue(endValue);
animation->setDuration(ChartAnimationDuration);
animation->setEasingCurve(QEasingCurve::OutQuart);
// PieSliceItem is the parent of PieSliceAnimation so the animation will be deleted as well..
connect(animation, SIGNAL(finished()), sliceItem, SLOT(deleteLater()));
m_animations.remove(sliceItem);
return animation;
}
void PieAnimation::updateCurrentValue(const QVariant &)
{
// nothing to do...
}
#include "moc_pieanimation_p.cpp"
QTCOMMERCIALCHART_END_NAMESPACE