49 lines
1.6 KiB
C++
49 lines
1.6 KiB
C++
/*
|
|
* Modern effects for a modern Streamer
|
|
* Copyright (C) 2018 Michael Fabian Dirks
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
|
|
*/
|
|
|
|
#pragma once
|
|
#include <type_traits>
|
|
|
|
template<typename Enum>
|
|
struct enable_bitmask_operators {
|
|
static const bool enable = false;
|
|
};
|
|
|
|
template<typename Enum>
|
|
typename std::enable_if<enable_bitmask_operators<Enum>::enable, Enum>::type
|
|
operator |(Enum lhs, Enum rhs) {
|
|
using underlying = typename std::underlying_type<Enum>::type;
|
|
return static_cast<Enum> (
|
|
static_cast<underlying>(lhs) |
|
|
static_cast<underlying>(rhs)
|
|
);
|
|
}
|
|
|
|
template<typename Enum>
|
|
typename std::enable_if<enable_bitmask_operators<Enum>::enable, Enum>::type
|
|
operator &(Enum lhs, Enum rhs) {
|
|
using underlying = typename std::underlying_type<Enum>::type;
|
|
return static_cast<Enum> (
|
|
static_cast<underlying>(lhs) &
|
|
static_cast<underlying>(rhs)
|
|
);
|
|
}
|
|
|
|
#define ENABLE_BITMASK_OPERATORS(x) template<> struct enable_bitmask_operators<x> { static const bool enable = true; };
|