| /**************************************************************************** |
| ** |
| ** Copyright (C) 2011 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. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** GNU Lesser General Public License Usage |
| ** 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. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU General |
| ** Public License version 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 the GNU General |
| ** Public License version 3.0 requirements will be met: |
| ** http://www.gnu.org/copyleft/gpl.html. |
| ** |
| ** Other Usage |
| ** Alternatively, this file may be used in accordance with the terms and |
| ** conditions contained in a signed written agreement between you and Nokia. |
| ** |
| ** |
| ** |
| ** |
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| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #ifndef QRGB_H |
| #define QRGB_H |
| |
| #include <QtCore/qglobal.h> |
| |
| QT_BEGIN_HEADER |
| |
| QT_BEGIN_NAMESPACE |
| |
| QT_MODULE(Gui) |
| |
| typedef unsigned int QRgb; // RGB triplet |
| |
| const QRgb RGB_MASK = 0x00ffffff; // masks RGB values |
| |
| Q_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; } |
| |
| 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_NAMESPACE |
| |
| QT_END_HEADER |
| |
| #endif // QRGB_H |