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1 /* | 1 /* |
2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef SkOTTableTypes_DEFINED | 8 #ifndef SkOTTableTypes_DEFINED |
9 #define SkOTTableTypes_DEFINED | 9 #define SkOTTableTypes_DEFINED |
10 | 10 |
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41 * SkOTTableTAG<T>::value is the big endian value of an OpenType table tag. | 41 * SkOTTableTAG<T>::value is the big endian value of an OpenType table tag. |
42 * It may be directly compared with raw big endian table data. | 42 * It may be directly compared with raw big endian table data. |
43 */ | 43 */ |
44 static const SK_OT_ULONG value = SkTEndian_SwapBE32( | 44 static const SK_OT_ULONG value = SkTEndian_SwapBE32( |
45 SkSetFourByteTag(T::TAG0, T::TAG1, T::TAG2, T::TAG3) | 45 SkSetFourByteTag(T::TAG0, T::TAG1, T::TAG2, T::TAG3) |
46 ); | 46 ); |
47 }; | 47 }; |
48 | 48 |
49 /** SkOTSetUSHORTBit<N>::value is an SK_OT_USHORT with the Nth BE bit set. */ | 49 /** SkOTSetUSHORTBit<N>::value is an SK_OT_USHORT with the Nth BE bit set. */ |
50 template <unsigned N> struct SkOTSetUSHORTBit { | 50 template <unsigned N> struct SkOTSetUSHORTBit { |
51 static const uint16_t bit = SkTSetBit<N, uint16_t>::value; | 51 SK_COMPILE_ASSERT(N < 16, NTooBig); |
| 52 static const uint16_t bit = 1u << N; |
52 static const SK_OT_USHORT value = SkTEndian_SwapBE16(bit); | 53 static const SK_OT_USHORT value = SkTEndian_SwapBE16(bit); |
53 }; | 54 }; |
54 | 55 |
55 /** SkOTSetUSHORTBit<N>::value is an SK_OT_ULONG with the Nth BE bit set. */ | 56 /** SkOTSetULONGBit<N>::value is an SK_OT_ULONG with the Nth BE bit set. */ |
56 template <unsigned N> struct SkOTSetULONGBit { | 57 template <unsigned N> struct SkOTSetULONGBit { |
57 static const uint32_t bit = SkTSetBit<N, uint32_t>::value; | 58 SK_COMPILE_ASSERT(N < 32, NTooBig); |
| 59 static const uint32_t bit = 1u << N; |
58 static const SK_OT_ULONG value = SkTEndian_SwapBE32(bit); | 60 static const SK_OT_ULONG value = SkTEndian_SwapBE32(bit); |
59 }; | 61 }; |
60 | 62 |
61 #endif | 63 #endif |
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