skia2/include/private/SkTo.h
Hal Canary 2a2f675926 SkTypes: extract SkTo
Change-Id: I8de790d5013db2105ad885fa2683303d7c250b09
Reviewed-on: https://skia-review.googlesource.com/133620
Reviewed-by: Mike Klein <mtklein@google.com>
2018-06-12 15:03:21 +00:00

29 lines
1.1 KiB
C++

/*
* 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 "SkTypes.h"
#include "SkTFitsIn.h"
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 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); }
#endif // SkTo_DEFINED