/* * HEIF codec. * Copyright (c) 2017-2026 Dirk Farin * * This file is part of libheif. * * libheif is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation, either version 3 of * the License, or (at your option) any later version. * * libheif is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with libheif. If not, see . */ #ifndef LIBHEIF_HEIF_EXPORT_H #define LIBHEIF_HEIF_EXPORT_H // LIBHEIF_API marks the symbols that are exported from the shared library. // // This macro lives in its own tiny, dependency-free header so that every // public header can pull it in without creating include cycles. In particular, // heif_library.h and heif_error.h are mutually dependent (heif_library.h needs // the heif_error type while heif_error.h needs LIBHEIF_API), so the macro // cannot live in either of them if both are to compile standalone. #if (defined(_WIN32) || defined __CYGWIN__) && !defined(LIBHEIF_STATIC_BUILD) #ifdef LIBHEIF_EXPORTS #define LIBHEIF_API __declspec(dllexport) #else #define LIBHEIF_API __declspec(dllimport) #endif #elif defined(HAVE_VISIBILITY) && HAVE_VISIBILITY #ifdef LIBHEIF_EXPORTS #define LIBHEIF_API __attribute__((__visibility__("default"))) #else #define LIBHEIF_API #endif #else #define LIBHEIF_API #endif #endif // LIBHEIF_HEIF_EXPORT_H