##// END OF EJS Templates
Added trivial useOpenGL series test to qmlchartproperties manual test...
Added trivial useOpenGL series test to qmlchartproperties manual test Change-Id: Ic7960c91ab6971d5f9317967333370cd2557af15 Reviewed-by: Titta Heikkala <titta.heikkala@theqtcompany.com>

File last commit:

r2776:bc1f6aa59d42
r2839:6c0b6c8fb385
Show More
polarchartlogvalueaxisradial.cpp
94 lines | 3.3 KiB | text/x-c | CppLexer
/ src / charts / axis / logvalueaxis / polarchartlogvalueaxisradial.cpp
Miikka Heikkinen
Add Polar chart support...
r2483 /****************************************************************************
**
Titta Heikkala
Copyright header changes...
r2776 ** Copyright (C) 2015 The Qt Company Ltd
Miikka Heikkinen
Add Polar chart support...
r2483 ** All rights reserved.
Titta Heikkala
Copyright header changes...
r2776 ** For any questions to The Qt Company, please use contact form at http://qt.io
Miikka Heikkinen
Add Polar chart support...
r2483 **
Titta Heikkala
Updated license headers...
r2740 ** This file is part of the Qt Charts module.
Miikka Heikkinen
Add Polar chart support...
r2483 **
Titta Heikkala
Updated license headers...
r2740 ** Licensees holding valid commercial license for Qt may use this file in
** accordance with the Qt License Agreement provided with the Software
** or, alternatively, in accordance with the terms contained in a written
Titta Heikkala
Copyright header changes...
r2776 ** agreement between you and The Qt Company.
Miikka Heikkinen
Add Polar chart support...
r2483 **
** If you have questions regarding the use of this file, please use
Titta Heikkala
Updated license headers...
r2740 ** contact form at http://qt.io
Miikka Heikkinen
Add Polar chart support...
r2483 **
****************************************************************************/
Titta Heikkala
Fix include syntax...
r2714 #include <private/polarchartlogvalueaxisradial_p.h>
#include <private/abstractchartlayout_p.h>
#include <private/chartpresenter_p.h>
#include <QtCharts/QLogValueAxis>
#include <QtCore/QtMath>
#include <QtCore/QDebug>
Titta Heikkala
Fix QNX build issue...
r2775 #include <cmath>
Miikka Heikkinen
Add Polar chart support...
r2483
Titta Heikkala
Qt Charts project file structure change...
r2712 QT_CHARTS_BEGIN_NAMESPACE
Miikka Heikkinen
Add Polar chart support...
r2483
PolarChartLogValueAxisRadial::PolarChartLogValueAxisRadial(QLogValueAxis *axis, QGraphicsItem *item)
: PolarChartAxisRadial(axis, item)
{
QObject::connect(axis, SIGNAL(baseChanged(qreal)), this, SLOT(handleBaseChanged(qreal)));
QObject::connect(axis, SIGNAL(labelFormatChanged(QString)), this, SLOT(handleLabelFormatChanged(QString)));
}
PolarChartLogValueAxisRadial::~PolarChartLogValueAxisRadial()
{
}
QVector<qreal> PolarChartLogValueAxisRadial::calculateLayout() const
{
QLogValueAxis *logValueAxis = static_cast<QLogValueAxis *>(axis());
Titta Heikkala
Fix QNX build issue...
r2775 const qreal logMax = std::log10(logValueAxis->max()) / std::log10(logValueAxis->base());
const qreal logMin = std::log10(logValueAxis->min()) / std::log10(logValueAxis->base());
Miikka Heikkinen
Add Polar chart support...
r2483 const qreal innerEdge = logMin < logMax ? logMin : logMax;
const qreal outerEdge = logMin > logMax ? logMin : logMax;
const qreal delta = (axisGeometry().width() / 2.0) / qAbs(logMax - logMin);
Titta Heikkala
Fix QNX build issue...
r2775 const qreal initialSpan = (qCeil(innerEdge) - innerEdge) * delta;
int tickCount = qAbs(qCeil(logMax) - qCeil(logMin));
Miikka Heikkinen
Add Polar chart support...
r2483
// Extra tick if outer edge is exactly at the tick
Titta Heikkala
Fix QNX build issue...
r2775 if (outerEdge == qCeil(outerEdge))
Miikka Heikkinen
Add Polar chart support...
r2483 tickCount++;
QVector<qreal> points;
points.resize(tickCount);
for (int i = 0; i < tickCount; ++i) {
qreal radialCoordinate = initialSpan + (delta * qreal(i));
points[i] = radialCoordinate;
}
return points;
}
void PolarChartLogValueAxisRadial::createAxisLabels(const QVector<qreal> &layout)
{
QLogValueAxis *logValueAxis = static_cast<QLogValueAxis *>(axis());
setLabels(createLogValueLabels(logValueAxis->min(),
logValueAxis->max(),
logValueAxis->base(),
layout.size(),
logValueAxis->labelFormat()));
}
void PolarChartLogValueAxisRadial::handleBaseChanged(qreal base)
{
Q_UNUSED(base);
QGraphicsLayoutItem::updateGeometry();
if (presenter())
presenter()->layout()->invalidate();
}
void PolarChartLogValueAxisRadial::handleLabelFormatChanged(const QString &format)
{
Q_UNUSED(format);
QGraphicsLayoutItem::updateGeometry();
if (presenter())
presenter()->layout()->invalidate();
}
#include "moc_polarchartlogvalueaxisradial_p.cpp"
Titta Heikkala
Qt Charts project file structure change...
r2712 QT_CHARTS_END_NAMESPACE