#define SkTemplates_DEFINED
#include "SkTypes.h"
-#include <limits>
#include <limits.h>
#include <new>
);
}
-/** SkTSetBit<N, T>::value is a T with the Nth bit set. */
-template<unsigned N, typename T = uintmax_t> struct SkTSetBit {
- static const T value = static_cast<T>(1) << N;
- SK_COMPILE_ASSERT(sizeof(T)*CHAR_BIT > N, SkTSetBit_N_too_large);
- SK_COMPILE_ASSERT(std::numeric_limits<T>::is_integer, SkTSetBit_T_must_be_integer);
- SK_COMPILE_ASSERT(!std::numeric_limits<T>::is_signed, SkTSetBit_T_must_be_unsigned);
- SK_COMPILE_ASSERT(std::numeric_limits<T>::radix == 2, SkTSetBit_T_radix_must_be_2);
-};
-
/** \class SkAutoTCallVProc
Call a function when this goes out of scope. The template uses two
/** SkOTSetUSHORTBit<N>::value is an SK_OT_USHORT with the Nth BE bit set. */
template <unsigned N> struct SkOTSetUSHORTBit {
- static const uint16_t bit = SkTSetBit<N, uint16_t>::value;
+ SK_COMPILE_ASSERT(N < 16, NTooBig);
+ static const uint16_t bit = 1u << N;
static const SK_OT_USHORT value = SkTEndian_SwapBE16(bit);
};
-/** SkOTSetUSHORTBit<N>::value is an SK_OT_ULONG with the Nth BE bit set. */
+/** SkOTSetULONGBit<N>::value is an SK_OT_ULONG with the Nth BE bit set. */
template <unsigned N> struct SkOTSetULONGBit {
- static const uint32_t bit = SkTSetBit<N, uint32_t>::value;
+ SK_COMPILE_ASSERT(N < 32, NTooBig);
+ static const uint32_t bit = 1u << N;
static const SK_OT_ULONG value = SkTEndian_SwapBE32(bit);
};