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+/****************************************************************************
+**
+** 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 "polarchartlogvalueaxisangular_p.h"
+#include "abstractchartlayout_p.h"
+#include "chartpresenter_p.h"
+#include "qlogvalueaxis.h"
+#include <qmath.h>
+#include <QDebug>
+
+QTCOMMERCIALCHART_BEGIN_NAMESPACE
+
+PolarChartLogValueAxisAngular::PolarChartLogValueAxisAngular(QLogValueAxis *axis, QGraphicsItem *item)
+ : PolarChartAxisAngular(axis, item)
+{
+ QObject::connect(axis, SIGNAL(baseChanged(qreal)), this, SLOT(handleBaseChanged(qreal)));
+ QObject::connect(axis, SIGNAL(labelFormatChanged(QString)), this, SLOT(handleLabelFormatChanged(QString)));
+}
+
+PolarChartLogValueAxisAngular::~PolarChartLogValueAxisAngular()
+{
+}
+
+QVector<qreal> PolarChartLogValueAxisAngular::calculateLayout() const
+{
+ QLogValueAxis *logValueAxis = static_cast<QLogValueAxis *>(axis());
+ const qreal logMax = log10(logValueAxis->max()) / log10(logValueAxis->base());
+ const qreal logMin = log10(logValueAxis->min()) / log10(logValueAxis->base());
+ const qreal startEdge = logMin < logMax ? logMin : logMax;
+ const qreal delta = 360.0 / qAbs(logMax - logMin);
+ const qreal initialSpan = (ceil(startEdge) - startEdge) * delta;
+ int tickCount = qAbs(ceil(logMax) - ceil(logMin));
+
+ QVector<qreal> points;
+ points.resize(tickCount);
+
+ for (int i = 0; i < tickCount; ++i) {
+ qreal angularCoordinate = initialSpan + (delta * qreal(i));
+ points[i] = angularCoordinate;
+ }
+
+ return points;
+}
+
+void PolarChartLogValueAxisAngular::createAxisLabels(const QVector<qreal> &layout)
+{
+ QLogValueAxis *logValueAxis = static_cast<QLogValueAxis *>(axis());
+ setLabels(createLogValueLabels(logValueAxis->min(),
+ logValueAxis->max(),
+ logValueAxis->base(),
+ layout.size(),
+ logValueAxis->labelFormat()));
+}
+
+void PolarChartLogValueAxisAngular::handleBaseChanged(qreal base)
+{
+ Q_UNUSED(base);
+ QGraphicsLayoutItem::updateGeometry();
+ if (presenter())
+ presenter()->layout()->invalidate();
+}
+
+void PolarChartLogValueAxisAngular::handleLabelFormatChanged(const QString &format)
+{
+ Q_UNUSED(format);
+ QGraphicsLayoutItem::updateGeometry();
+ if (presenter())
+ presenter()->layout()->invalidate();
+}
+
+#include "moc_polarchartlogvalueaxisangular_p.cpp"
+
+QTCOMMERCIALCHART_END_NAMESPACE