You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
35 lines
991 B
35 lines
991 B
/*
|
|
* Copyright 2016 Google Inc.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license that can be
|
|
* found in the LICENSE file.
|
|
*/
|
|
#ifndef SkEnumOperators_DEFINED
|
|
#define SkEnumOperators_DEFINED
|
|
|
|
#include "SkTLogic.h"
|
|
|
|
namespace skstd {
|
|
template <typename T> struct is_bitmask_enum : std::false_type {};
|
|
}
|
|
|
|
template <typename E> SK_WHEN(skstd::is_bitmask_enum<E>::value, E) operator|(E l, E r) {
|
|
using U = skstd::underlying_type_t<E>;
|
|
return static_cast<E>(static_cast<U>(l) | static_cast<U>(r));
|
|
}
|
|
|
|
template <typename E> SK_WHEN(skstd::is_bitmask_enum<E>::value, E&) operator|=(E& l, E r) {
|
|
return l = l | r;
|
|
}
|
|
|
|
template <typename E> SK_WHEN(skstd::is_bitmask_enum<E>::value, E) operator&(E l, E r) {
|
|
using U = skstd::underlying_type_t<E>;
|
|
return static_cast<E>(static_cast<U>(l) & static_cast<U>(r));
|
|
}
|
|
|
|
template <typename E> SK_WHEN(skstd::is_bitmask_enum<E>::value, E&) operator&=(E& l, E r) {
|
|
return l = l & r;
|
|
}
|
|
|
|
#endif // SkEnumOperators_DEFINED
|