diff options
Diffstat (limited to 'src/gui/painting/qrgb.h')
| -rw-r--r-- | src/gui/painting/qrgb.h | 62 |
1 files changed, 13 insertions, 49 deletions
diff --git a/src/gui/painting/qrgb.h b/src/gui/painting/qrgb.h index fe8306109b..150d889d33 100644 --- a/src/gui/painting/qrgb.h +++ b/src/gui/painting/qrgb.h @@ -1,41 +1,5 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtGui module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only #ifndef QRGB_H #define QRGB_H @@ -49,36 +13,36 @@ QT_BEGIN_NAMESPACE typedef unsigned int QRgb; // RGB triplet // non-namespaced Qt global variable -const Q_DECL_UNUSED QRgb RGB_MASK = 0x00ffffff; // masks RGB values + inline constexpr QRgb RGB_MASK = 0x00ffffff; // masks RGB values -inline Q_DECL_CONSTEXPR int qRed(QRgb rgb) // get red part of RGB +inline constexpr int qRed(QRgb rgb) // get red part of RGB { return ((rgb >> 16) & 0xff); } -inline Q_DECL_CONSTEXPR int qGreen(QRgb rgb) // get green part of RGB +inline constexpr int qGreen(QRgb rgb) // get green part of RGB { return ((rgb >> 8) & 0xff); } -inline Q_DECL_CONSTEXPR int qBlue(QRgb rgb) // get blue part of RGB +inline constexpr int qBlue(QRgb rgb) // get blue part of RGB { return (rgb & 0xff); } -inline Q_DECL_CONSTEXPR int qAlpha(QRgb rgb) // get alpha part of RGBA +inline constexpr int qAlpha(QRgb rgb) // get alpha part of RGBA { return rgb >> 24; } -inline Q_DECL_CONSTEXPR QRgb qRgb(int r, int g, int b)// set RGB value +inline constexpr QRgb qRgb(int r, int g, int b) // set RGB value { return (0xffu << 24) | ((r & 0xffu) << 16) | ((g & 0xffu) << 8) | (b & 0xffu); } -inline Q_DECL_CONSTEXPR QRgb qRgba(int r, int g, int b, int a)// set RGBA value +inline constexpr QRgb qRgba(int r, int g, int b, int a) // set RGBA value { return ((a & 0xffu) << 24) | ((r & 0xffu) << 16) | ((g & 0xffu) << 8) | (b & 0xffu); } -inline Q_DECL_CONSTEXPR int qGray(int r, int g, int b)// convert R,G,B to gray 0..255 +inline constexpr int qGray(int r, int g, int b) // convert R,G,B to gray 0..255 { return (r*11+g*16+b*5)/32; } -inline Q_DECL_CONSTEXPR int qGray(QRgb rgb) // convert RGB to gray 0..255 +inline constexpr int qGray(QRgb rgb) // convert RGB to gray 0..255 { return qGray(qRed(rgb), qGreen(rgb), qBlue(rgb)); } -inline Q_DECL_CONSTEXPR bool qIsGray(QRgb rgb) +inline constexpr bool qIsGray(QRgb rgb) { return qRed(rgb) == qGreen(rgb) && qRed(rgb) == qBlue(rgb); } -inline Q_DECL_RELAXED_CONSTEXPR QRgb qPremultiply(QRgb x) +inline constexpr QRgb qPremultiply(QRgb x) { const uint a = qAlpha(x); uint t = (x & 0xff00ff) * a; |