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Diffstat (limited to 'src/system/Qt3DSTypes.cpp')
-rw-r--r-- | src/system/Qt3DSTypes.cpp | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/system/Qt3DSTypes.cpp b/src/system/Qt3DSTypes.cpp new file mode 100644 index 0000000..25d41c8 --- /dev/null +++ b/src/system/Qt3DSTypes.cpp @@ -0,0 +1,54 @@ +/**************************************************************************** +** +** Copyright (C) 1993-2009 NVIDIA Corporation. +** Copyright (C) 2017 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of Qt 3D Studio. +** +** $QT_BEGIN_LICENSE:GPL$ +** 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 General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3 or (at your option) 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.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-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "SystemPrefix.h" + +//============================================================================== +// Namespace +//============================================================================== +namespace Q3DStudio { + +//============================================================================== +/** + * Return 2^inBitCount - 1. + * @param inBitCount number of bits available + * @param inUnsigned true if all bits are available + * @return the higest number the bits can represent + */ +INT32 Q3DStudio_maxbits(const INT32 inBitCount, const BOOL inUnsigned) +{ + Q3DStudio_ASSERT(inBitCount < 32); + if (inUnsigned) + return (1 << inBitCount) - 1; + else + return (1 << (inBitCount - 1)) - 1; +} + +} // namespace Q3DStudio |