53 lines
1.6 KiB
C
53 lines
1.6 KiB
C
|
/*
|
||
|
|
* Copyright 2022 Google LLC
|
||
|
|
*
|
||
|
|
* Use of this source code is governed by a BSD-style license that can be
|
||
|
|
* found in the LICENSE file.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef SkAPI_DEFINED
|
||
|
|
#define SkAPI_DEFINED
|
||
|
|
|
||
|
|
#include "include/private/base/SkLoadUserConfig.h" // IWYU pragma: keep
|
||
|
|
|
||
|
|
// If SKIA_IMPLEMENTATION is defined as 1, that signals we are building Skia and should
|
||
|
|
// export our symbols. If it is not set (or set to 0), then Skia is being used by a client
|
||
|
|
// and we should not export our symbols.
|
||
|
|
#if !defined(SKIA_IMPLEMENTATION)
|
||
|
|
#define SKIA_IMPLEMENTATION 0
|
||
|
|
#endif
|
||
|
|
|
||
|
|
// If we are compiling Skia is being as a DLL, we need to be sure to export all of our public
|
||
|
|
// APIs to that DLL. If a client is using Skia which was compiled as a DLL, we need to instruct
|
||
|
|
// the linker to use the symbols from that DLL. This is the goal of the SK_API define.
|
||
|
|
#if !defined(SK_API)
|
||
|
|
#if defined(SKIA_DLL)
|
||
|
|
#if defined(_MSC_VER)
|
||
|
|
#if SKIA_IMPLEMENTATION
|
||
|
|
#define SK_API __declspec(dllexport)
|
||
|
|
#else
|
||
|
|
#define SK_API __declspec(dllimport)
|
||
|
|
#endif
|
||
|
|
#else
|
||
|
|
#define SK_API __attribute__((visibility("default")))
|
||
|
|
#endif
|
||
|
|
#else
|
||
|
|
#define SK_API
|
||
|
|
#endif
|
||
|
|
#endif
|
||
|
|
|
||
|
|
// SK_SPI is functionally identical to SK_API, but used within src to clarify that it's less stable
|
||
|
|
#if !defined(SK_SPI)
|
||
|
|
#define SK_SPI SK_API
|
||
|
|
#endif
|
||
|
|
|
||
|
|
// See https://clang.llvm.org/docs/AttributeReference.html#availability
|
||
|
|
// The API_AVAILABLE macro comes from <os/availability.h> on MacOS
|
||
|
|
#if defined(SK_ENABLE_API_AVAILABLE)
|
||
|
|
# define SK_API_AVAILABLE API_AVAILABLE
|
||
|
|
#else
|
||
|
|
# define SK_API_AVAILABLE(...)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|