Add callgrind plugin.

Merge-request: 284
Reviewed-by: hjk <qtc-committer@nokia.com>

src/plugins/callgrind/callgrindhelper.h

@@ -0,0 +1,65 @@
+/**************************************************************************
+**
+** 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.
+**
+**************************************************************************/
+
+#ifndef CALLGRINDHELPER_H
+#define CALLGRINDHELPER_H
+
+#include <QtCore/QLocale>
+
+QT_BEGIN_NAMESPACE
+class QColor;
+class QString;
+QT_END_NAMESPACE
+
+namespace Callgrind {
+namespace Internal {
+
+namespace CallgrindHelper
+{
+    /**
+     * Returns color for a specific string, the string<->color mapping is cached
+     */
+    QColor colorForString(const QString &text);
+
+    /**
+     * Returns color for a specific cost ratio
+     * \param ratio The cost ratio, ratio should be of [0,1]
+     */
+    QColor colorForCostRatio(qreal ratio);
+
+    /**
+     * Returns a proper percent representation of a float limited to 5 chars
+     */
+    QString toPercent(float costs, const QLocale &locale = QLocale());
+}
+
+}
+}
+
+#endif // CALLGRINDHELPER_H