| /* |
| * Copyright 2018 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| #ifndef SkTo_DEFINED |
| #define SkTo_DEFINED |
| |
| #include "include/private/base/SkAssert.h" |
| #include "include/private/base/SkTFitsIn.h" |
| |
| #include <cstddef> |
| #include <cstdint> |
| |
| template <typename D, typename S> constexpr D SkTo(S s) { |
| return SkASSERT(SkTFitsIn<D>(s)), |
| static_cast<D>(s); |
| } |
| |
| template <typename S> constexpr int8_t SkToS8(S x) { return SkTo<int8_t>(x); } |
| template <typename S> constexpr uint8_t SkToU8(S x) { return SkTo<uint8_t>(x); } |
| template <typename S> constexpr int16_t SkToS16(S x) { return SkTo<int16_t>(x); } |
| template <typename S> constexpr uint16_t SkToU16(S x) { return SkTo<uint16_t>(x); } |
| template <typename S> constexpr int32_t SkToS32(S x) { return SkTo<int32_t>(x); } |
| template <typename S> constexpr uint32_t SkToU32(S x) { return SkTo<uint32_t>(x); } |
| template <typename S> constexpr int64_t SkToS64(S x) { return SkTo<int64_t>(x); } |
| template <typename S> constexpr uint64_t SkToU64(S x) { return SkTo<uint64_t>(x); } |
| template <typename S> constexpr int SkToInt(S x) { return SkTo<int>(x); } |
| template <typename S> constexpr unsigned SkToUInt(S x) { return SkTo<unsigned>(x); } |
| template <typename S> constexpr size_t SkToSizeT(S x) { return SkTo<size_t>(x); } |
| |
| /** @return false or true based on the condition |
| */ |
| template <typename T> static constexpr bool SkToBool(const T& x) { |
| return (bool)x; |
| } |
| |
| #endif // SkTo_DEFINED |
