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Added parametric zoom on QChart....
Added parametric zoom on QChart. Signed-off-by: jeandet <alexis.jeandet@member.fsf.org>

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logvalueaxisx.cpp
85 lines | 2.9 KiB | text/x-c | CppLexer
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Charts module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "charts.h"
#include <QtCharts/QChart>
#include <QtCharts/QLineSeries>
#include <QtCharts/QLogValueAxis>
#include <QtCharts/QCategoryAxis>
class LogValueAxisX: public Chart
{
public:
QString name() { return "LogValueAxisX"; }
QString category() { return QObject::tr("Axis"); }
QString subCategory() { return QObject::tr("Log"); }
QChart *createChart(const DataTable &table)
{
QChart *chart = new QChart();
chart->setTitle("LogValue X , Value Y");
QString name("Series ");
int nameIndex = 0;
foreach (DataList list, table) {
QLineSeries *series = new QLineSeries(chart);
foreach (Data data, list)
series->append(data.first);
series->setName(name + QString::number(nameIndex));
nameIndex++;
chart->addSeries(series);
}
chart->createDefaultAxes();
QLogValueAxis *axis = new QLogValueAxis();
axis->setBase(1.2);
foreach (QAbstractSeries *series, chart->series())
chart->setAxisX(axis, series);
return chart;
}
};
class LogValueAxisTitleX: public LogValueAxisX
{
public:
QString name() { return "LogValueAxisXTitle"; }
QChart *createChart(const DataTable &table)
{
QChart *chart = LogValueAxisX::createChart(table);
chart->axisX()->setTitleText("Axis X");
chart->axisY()->setTitleText("Axis Y");
chart->setTitle("Log Value X , Value Y, title");
return chart;
}
};
DECLARE_CHART(LogValueAxisX);
DECLARE_CHART(LogValueAxisTitleX);