##// END OF EJS Templates
HG_REPOSITORIES » LPP » INSTRUMENTATION » USERS » JEANDET » qtcharts
RSS

Clone from http://code.qt.io/qt/qtcharts.git

Fix resetting animation options mid-animation....
Fix resetting animation options mid-animation. Setting animation options while animations were running could cause crash if layout in old animation didn't match the current layout, as animation options setting didn't destroy or stop old animations when it created new ones. Change-Id: If45ee8daf3facd49ce7dd127bb37678a31e6a2d3 Reviewed-by: Tomi Korpipää <tomi.korpipaa@digia.com>
Miikka Heikkinen - - Load All Authors

File last commit:

r2483:f494279b6366
r2555:8f0e18a7e02c
Show More
polardomain.cpp
91 lines | 2.5 KiB | text/x-c | CppLexer
/ src / domain / polardomain.cpp
History | Source | Raw |Copy content |Copy permalink
Miikka Heikkinen
Add Polar chart support...
 r2483 /****************************************************************************
**
** 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 "polardomain_p.h"
#include "qabstractaxis_p.h"
#include <qmath.h>
QTCOMMERCIALCHART_BEGIN_NAMESPACE
PolarDomain::PolarDomain(QObject *parent)
: AbstractDomain(parent)
{
}
PolarDomain::~PolarDomain()
{
}
void PolarDomain::setSize(const QSizeF &size)
{
Q_ASSERT(size.width() == size.height());
m_radius = size.height() / 2;
m_center = QPointF(m_radius, m_radius);
AbstractDomain::setSize(size);
}
QPointF PolarDomain::calculateGeometryPoint(const QPointF &point, bool &ok) const
{
qreal r;
qreal a = toAngularCoordinate(point.x(), ok);
if (ok)
r = toRadialCoordinate(point.y(), ok);
if (ok) {
return m_center + polarCoordinateToPoint(a, r);
} else {
qWarning() << "Logarithm of negative value is undefined. Empty layout returned.";
return QPointF();
}
}
QVector<QPointF> PolarDomain::calculateGeometryPoints(const QList<QPointF> &vector) const
{
QVector<QPointF> result;
result.resize(vector.count());
bool ok;
qreal r;
qreal a;
for (int i = 0; i < vector.count(); ++i) {
a = toAngularCoordinate(vector[i].x(), ok);
if (ok)
r = toRadialCoordinate(vector[i].y(), ok);
if (ok) {
result[i] = m_center + polarCoordinateToPoint(a, r);
} else {
qWarning() << "Logarithm of negative value is undefined. Empty layout returned.";
return QVector<QPointF>();
}
}
return result;
}
QPointF PolarDomain::polarCoordinateToPoint(qreal angularCoordinate, qreal radialCoordinate) const
{
qreal dx = qSin(angularCoordinate * (M_PI / 180)) * radialCoordinate;
qreal dy = qCos(angularCoordinate * (M_PI / 180)) * radialCoordinate;
return QPointF(dx, -dy);
}
#include "moc_polardomain_p.cpp"
QTCOMMERCIALCHART_END_NAMESPACE