| Hal Canary | c640d0d | 2018-06-13 09:59:02 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2018 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | #ifndef SkTo_DEFINED |
| 8 | #define SkTo_DEFINED |
| 9 | |
| Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 10 | #include "include/core/SkTypes.h" |
| 11 | #include "include/private/SkTFitsIn.h" |
| Hal Canary | c640d0d | 2018-06-13 09:59:02 -0400 | [diff] [blame] | 12 | |
| 13 | template <typename D, typename S> constexpr D SkTo(S s) { |
| 14 | return SkASSERT(SkTFitsIn<D>(s)), |
| 15 | static_cast<D>(s); |
| 16 | } |
| 17 | |
| 18 | template <typename S> constexpr int8_t SkToS8(S x) { return SkTo<int8_t>(x); } |
| 19 | template <typename S> constexpr uint8_t SkToU8(S x) { return SkTo<uint8_t>(x); } |
| 20 | template <typename S> constexpr int16_t SkToS16(S x) { return SkTo<int16_t>(x); } |
| 21 | template <typename S> constexpr uint16_t SkToU16(S x) { return SkTo<uint16_t>(x); } |
| 22 | template <typename S> constexpr int32_t SkToS32(S x) { return SkTo<int32_t>(x); } |
| 23 | template <typename S> constexpr uint32_t SkToU32(S x) { return SkTo<uint32_t>(x); } |
| 24 | template <typename S> constexpr int SkToInt(S x) { return SkTo<int>(x); } |
| 25 | template <typename S> constexpr unsigned SkToUInt(S x) { return SkTo<unsigned>(x); } |
| 26 | template <typename S> constexpr size_t SkToSizeT(S x) { return SkTo<size_t>(x); } |
| 27 | |
| 28 | #endif // SkTo_DEFINED |