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