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/**************************************************************************
**
** This file is part of Qt Creator Analyzer Tools
**
** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** Commercial Usage
**
** 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 Nokia.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
**
**************************************************************************/
#include "callgrindhelper.h"
#include <cstdlib>
#include <QtGui/QColor>
#include <QtCore/QMap>
#include <QtCore/QString>
using namespace Callgrind::Internal;
QColor CallgrindHelper::colorForString(const QString &text)
{
static QMap<QString, QColor> colorCache;
if (colorCache.contains(text))
return colorCache.value(text);
// Minimum lightness of 100 to be readable with black text.
const QColor color = QColor::fromHsl(((qreal)qrand() / RAND_MAX * 359),
((qreal)qrand() / RAND_MAX * 255),
((qreal)qrand() / RAND_MAX * 127) + 128);
colorCache[text] = color;
return color;
}
QColor CallgrindHelper::colorForCostRatio(qreal ratio)
{
ratio = qBound(0.0, ratio, 1.0);
return QColor::fromHsv(120 - ratio * 120, 255, 255, (-((ratio-1) * (ratio-1))) * 120 + 120);
}
QString CallgrindHelper::toPercent(float costs, const QLocale &locale)
{
if (costs > 99.9f)
return locale.toString(100) + locale.percent();
else if (costs > 9.99f)
return locale.toString(costs, 'f', 1) + locale.percent();
else if (costs > 0.009f)
return locale.toString(costs, 'f', 2) + locale.percent();
else
return QString("<") + locale.toString(0.01f) + locale.percent();
}
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