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piesliceanimation.cpp
126 lines | 4.2 KiB | text/x-c | CppLexer
/ src / animations / piesliceanimation.cpp
Jani Honkonen
Add license headers
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
minor . compilation fix
r623 #include "piesliceanimation_p.h"
Jani Honkonen
Add animations to pie. Works but has some visual issues when adding slices.
r618 #include "piechartitem_p.h"
Jani Honkonen
Namespace fix for piesliceanimation
r821 Q_DECLARE_METATYPE(QTCOMMERCIALCHART_NAMESPACE::PieSliceData)
Jani Honkonen
Add animations to pie. Works but has some visual issues when adding slices.
r618
QTCOMMERCIALCHART_BEGIN_NAMESPACE
qreal linearPos(qreal start, qreal end, qreal pos)
{
return start + ((end - start) * pos);
}
QPointF linearPos(QPointF start, QPointF end, qreal pos)
{
qreal x = linearPos(start.x(), end.x(), pos);
qreal y = linearPos(start.y(), end.y(), pos);
return QPointF(x, y);
}
Jani Honkonen
Fix add/remove animation for pie and apply colors from theme when adding/removing
r659 QPen linearPos(QPen start, QPen end, qreal pos)
{
QColor c;
c.setRedF(linearPos(start.color().redF(), end.color().redF(), pos));
c.setGreenF(linearPos(start.color().greenF(), end.color().greenF(), pos));
c.setBlueF(linearPos(start.color().blueF(), end.color().blueF(), pos));
end.setColor(c);
return end;
}
QBrush linearPos(QBrush start, QBrush end, qreal pos)
{
QColor c;
c.setRedF(linearPos(start.color().redF(), end.color().redF(), pos));
c.setGreenF(linearPos(start.color().greenF(), end.color().greenF(), pos));
c.setBlueF(linearPos(start.color().blueF(), end.color().blueF(), pos));
end.setColor(c);
return end;
}
Jani Honkonen
Refactor piechart to avoid using invalid QPieSlice pointers....
r1053 PieSliceAnimation::PieSliceAnimation(PieSliceItem *sliceItem)
Michal Klocek
Refactor animator...
r1735 :ChartAnimation(sliceItem),
Jani Honkonen
Refactor piechart to avoid using invalid QPieSlice pointers....
r1053 m_sliceItem(sliceItem)
Jani Honkonen
Add animations to pie. Works but has some visual issues when adding slices.
r618 {
}
PieSliceAnimation::~PieSliceAnimation()
{
}
Jani Honkonen
Rename PieSliceLayout -> PieSliceData. A "layout" is a bad name for this.
r668 void PieSliceAnimation::setValue(const PieSliceData &startValue, const PieSliceData &endValue)
Jani Honkonen
Add animations to pie. Works but has some visual issues when adding slices.
r618 {
if (state() != QAbstractAnimation::Stopped)
stop();
Jani Honkonen
Fix add/remove animation for pie and apply colors from theme when adding/removing
r659 m_currentValue = startValue;
Jani Honkonen
Add animations to pie. Works but has some visual issues when adding slices.
r618 setKeyValueAt(0.0, qVariantFromValue(startValue));
setKeyValueAt(1.0, qVariantFromValue(endValue));
}
Jani Honkonen
Rename PieSliceLayout -> PieSliceData. A "layout" is a bad name for this.
r668 void PieSliceAnimation::updateValue(const PieSliceData &endValue)
Jani Honkonen
Add animations to pie. Works but has some visual issues when adding slices.
r618 {
if (state() != QAbstractAnimation::Stopped)
stop();
Jani Honkonen
Fix add/remove animation for pie and apply colors from theme when adding/removing
r659 setKeyValueAt(0.0, qVariantFromValue(m_currentValue));
Jani Honkonen
Add animations to pie. Works but has some visual issues when adding slices.
r618 setKeyValueAt(1.0, qVariantFromValue(endValue));
}
Jani Honkonen
Rename PieSliceLayout -> PieSliceData. A "layout" is a bad name for this.
r668 PieSliceData PieSliceAnimation::currentSliceValue()
Jani Honkonen
Add animations to pie. Works but has some visual issues when adding slices.
r618 {
Jani Honkonen
Fix add/remove animation for pie and apply colors from theme when adding/removing
r659 // NOTE:
// We must use an internal current value because QVariantAnimation::currentValue() is updated
// before the animation is actually started. So if we get 2 updateValue() calls in a row the currentValue()
// will have the end value set from the first call and the second call will interpolate that instead of
// the original current value as it was before the first call.
return m_currentValue;
Jani Honkonen
Add animations to pie. Works but has some visual issues when adding slices.
r618 }
QVariant PieSliceAnimation::interpolated(const QVariant &start, const QVariant &end, qreal progress) const
{
Jani Honkonen
Rename PieSliceLayout -> PieSliceData. A "layout" is a bad name for this.
r668 PieSliceData startValue = qVariantValue<PieSliceData>(start);
PieSliceData endValue = qVariantValue<PieSliceData>(end);
Jani Honkonen
Add animations to pie. Works but has some visual issues when adding slices.
r618
Jani Honkonen
Rename PieSliceLayout -> PieSliceData. A "layout" is a bad name for this.
r668 PieSliceData result;
Jani Honkonen
Add animations to pie. Works but has some visual issues when adding slices.
r618 result = endValue;
result.m_center = linearPos(startValue.m_center, endValue.m_center, progress);
result.m_radius = linearPos(startValue.m_radius, endValue.m_radius, progress);
result.m_startAngle = linearPos(startValue.m_startAngle, endValue.m_startAngle, progress);
result.m_angleSpan = linearPos(startValue.m_angleSpan, endValue.m_angleSpan, progress);
Jani Honkonen
Adding PIMPL to pie
r669 result.m_slicePen = linearPos(startValue.m_slicePen, endValue.m_slicePen, progress);
result.m_sliceBrush = linearPos(startValue.m_sliceBrush, endValue.m_sliceBrush, progress);
Jani Honkonen
pie: finetuning donut animations...
r1758 result.m_innerRadius = linearPos(startValue.m_innerRadius, endValue.m_innerRadius, progress);
Jani Honkonen
Add animations to pie. Works but has some visual issues when adding slices.
r618
return qVariantFromValue(result);
}
void PieSliceAnimation::updateCurrentValue(const QVariant &value)
{
Jani Honkonen
Fix add/remove animation for pie and apply colors from theme when adding/removing
r659 if (state() != QAbstractAnimation::Stopped) { //workaround
Jani Honkonen
Rename PieSliceLayout -> PieSliceData. A "layout" is a bad name for this.
r668 m_currentValue = qVariantValue<PieSliceData>(value);
Jani Honkonen
Refactor graphical side of pie to simplify the implementation.
r1074 m_sliceItem->setLayout(m_currentValue);
Jani Honkonen
Fix add/remove animation for pie and apply colors from theme when adding/removing
r659 }
Jani Honkonen
Add animations to pie. Works but has some visual issues when adding slices.
r618 }
QTCOMMERCIALCHART_END_NAMESPACE