/******************************************************************************** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).** All rights reserved.** Contact: Nokia Corporation (qt-info@nokia.com)**** This file is part of the QtGui module of the Qt Toolkit.**** $QT_BEGIN_LICENSE:LGPL$** No Commercial Usage** This file contains pre-release code and may not be distributed.** You may use this file in accordance with the terms and conditions** contained in the Technology Preview License Agreement accompanying** this package.**** 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.**** In addition, as a special exception, Nokia gives you certain additional** rights. These rights are described in the Nokia Qt LGPL Exception** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.**** If you have questions regarding the use of this file, please contact** Nokia at qt-info@nokia.com.****************** $QT_END_LICENSE$******************************************************************************/#ifndef QRGB_H#define QRGB_H#include <QtCore/qglobal.h>QT_BEGIN_HEADERQT_BEGIN_NAMESPACEQT_MODULE(Gui)typedef unsigned int QRgb; // RGB tripletconst QRgb RGB_MASK = 0x00ffffff; // masks RGB valuesQ_GUI_EXPORT_INLINE int qRed(QRgb rgb) // get red part of RGB{ return ((rgb >> 16) & 0xff); }Q_GUI_EXPORT_INLINE int qGreen(QRgb rgb) // get green part of RGB{ return ((rgb >> 8) & 0xff); }Q_GUI_EXPORT_INLINE int qBlue(QRgb rgb) // get blue part of RGB{ return (rgb & 0xff); }Q_GUI_EXPORT_INLINE int qAlpha(QRgb rgb) // get alpha part of RGBA{ return ((rgb >> 24) & 0xff); }Q_GUI_EXPORT_INLINE QRgb qRgb(int r, int g, int b)// set RGB value{ return (0xffu << 24) | ((r & 0xff) << 16) | ((g & 0xff) << 8) | (b & 0xff); }Q_GUI_EXPORT_INLINE QRgb qRgba(int r, int g, int b, int a)// set RGBA value{ return ((a & 0xff) << 24) | ((r & 0xff) << 16) | ((g & 0xff) << 8) | (b & 0xff); }Q_GUI_EXPORT_INLINE int qGray(int r, int g, int b)// convert R,G,B to gray 0..255{ return (r*11+g*16+b*5)/32; }Q_GUI_EXPORT_INLINE int qGray(QRgb rgb) // convert RGB to gray 0..255{ return qGray(qRed(rgb), qGreen(rgb), qBlue(rgb)); }Q_GUI_EXPORT_INLINE bool qIsGray(QRgb rgb){ return qRed(rgb) == qGreen(rgb) && qRed(rgb) == qBlue(rgb); }QT_END_NAMESPACEQT_END_HEADER#endif // QRGB_H