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 10 #include "include/core/SkTypes.h" 11 #include "include/private/SkTFitsIn.h" 12 SkTo(S s)13template <typename D, typename S> constexpr D SkTo(S s) { 14 return SkASSERT(SkTFitsIn<D>(s)), 15 static_cast<D>(s); 16 } 17 SkToS8(S x)18template <typename S> constexpr int8_t SkToS8(S x) { return SkTo<int8_t>(x); } SkToU8(S x)19template <typename S> constexpr uint8_t SkToU8(S x) { return SkTo<uint8_t>(x); } SkToS16(S x)20template <typename S> constexpr int16_t SkToS16(S x) { return SkTo<int16_t>(x); } SkToU16(S x)21template <typename S> constexpr uint16_t SkToU16(S x) { return SkTo<uint16_t>(x); } SkToS32(S x)22template <typename S> constexpr int32_t SkToS32(S x) { return SkTo<int32_t>(x); } SkToU32(S x)23template <typename S> constexpr uint32_t SkToU32(S x) { return SkTo<uint32_t>(x); } SkToInt(S x)24template <typename S> constexpr int SkToInt(S x) { return SkTo<int>(x); } SkToUInt(S x)25template <typename S> constexpr unsigned SkToUInt(S x) { return SkTo<unsigned>(x); } SkToSizeT(S x)26template <typename S> constexpr size_t SkToSizeT(S x) { return SkTo<size_t>(x); } 27 28 #endif // SkTo_DEFINED 29