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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the BM project on Qt Labs.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 or 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of
** this file. Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
** http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/
#ifndef BMMISC_H
#define BMMISC_H
#include <QVector>
#include <QString>
#include <QStringList>
#include <QImage>
#include <QDateTime>
#include <QSqlQuery>
class BMMisc
{
public:
static bool getTimestamp(
const QStringList &args, int pos, QString *timestamp, QString *error = 0);
static void printJSONOutput(const QString &s);
static void printHTMLOutput(const QString &s);
static void printHTMLErrorPage(const QString &s);
static void printImageOutput(
const QImage &image, const QString &format, const QString &error, bool httpHeader = true);
static bool getLastInsertId(QSqlQuery *query, int *id);
static QString lastQueryError(const QSqlQuery &query);
static qreal normalizedDifference(qreal a, qreal b);
static QString getOption(const QStringList &args, const QString &name, int offset = 0);
static bool getOption(
const QStringList &args, const QString &option, QStringList *values, int nvalues, int nskip,
QString *error = 0);
static bool getMultiOption(
const QStringList &args, const QString &option, QStringList *values, QString *error,
bool unique = true);
static bool hasOption(const QStringList &args, const QString &option);
static qreal median(const QList<qreal> &values);
static qreal v2y(
const qreal v, const qreal ymax, const qreal vmin, const qreal yfact, const qreal ydefault);
static QDateTime createCurrDateTime(int timestamp);
static QString secs2daysText(const int secs, const uint precision);
static bool saveImageToFile(const QImage &image, const QString &fileName, QString *error);
static QString ageColor(const int secs);
static QString redToGreenColor(
qreal val, qreal minAbsVal, qreal maxAbsVal, bool higherIsBetter = false);
static QString diffColor(qreal diff, bool higherIsbetter = false);
static bool lowerIsBetter(const QString &metric);
static qreal log2val(qreal val, const QString &metric);
static qreal log2diff(qreal val1, qreal val2, const QString &metric);
static bool normalize(QList<qreal> &v);
static QString compactDateString(int timestamp);
};
#endif // BMMISC_H
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