1*b2055c35SXin Li // Copyright 2012 Google Inc. All Rights Reserved. 2*b2055c35SXin Li // 3*b2055c35SXin Li // Use of this source code is governed by a BSD-style license 4*b2055c35SXin Li // that can be found in the COPYING file in the root of the source 5*b2055c35SXin Li // tree. An additional intellectual property rights grant can be found 6*b2055c35SXin Li // in the file PATENTS. All contributing project authors may 7*b2055c35SXin Li // be found in the AUTHORS file in the root of the source tree. 8*b2055c35SXin Li // ----------------------------------------------------------------------------- 9*b2055c35SXin Li // 10*b2055c35SXin Li // Metadata types and functions. 11*b2055c35SXin Li // 12*b2055c35SXin Li 13*b2055c35SXin Li #ifndef WEBP_IMAGEIO_METADATA_H_ 14*b2055c35SXin Li #define WEBP_IMAGEIO_METADATA_H_ 15*b2055c35SXin Li 16*b2055c35SXin Li #include "webp/types.h" 17*b2055c35SXin Li 18*b2055c35SXin Li #ifdef __cplusplus 19*b2055c35SXin Li extern "C" { 20*b2055c35SXin Li #endif 21*b2055c35SXin Li 22*b2055c35SXin Li typedef struct MetadataPayload { 23*b2055c35SXin Li uint8_t* bytes; 24*b2055c35SXin Li size_t size; 25*b2055c35SXin Li } MetadataPayload; 26*b2055c35SXin Li 27*b2055c35SXin Li typedef struct Metadata { 28*b2055c35SXin Li MetadataPayload exif; 29*b2055c35SXin Li MetadataPayload iccp; 30*b2055c35SXin Li MetadataPayload xmp; 31*b2055c35SXin Li } Metadata; 32*b2055c35SXin Li 33*b2055c35SXin Li #define METADATA_OFFSET(x) offsetof(Metadata, x) 34*b2055c35SXin Li 35*b2055c35SXin Li void MetadataInit(Metadata* const metadata); 36*b2055c35SXin Li void MetadataPayloadDelete(MetadataPayload* const payload); 37*b2055c35SXin Li void MetadataFree(Metadata* const metadata); 38*b2055c35SXin Li 39*b2055c35SXin Li // Stores 'metadata' to 'payload->bytes', returns false on allocation error. 40*b2055c35SXin Li int MetadataCopy(const char* metadata, size_t metadata_len, 41*b2055c35SXin Li MetadataPayload* const payload); 42*b2055c35SXin Li 43*b2055c35SXin Li #ifdef __cplusplus 44*b2055c35SXin Li } // extern "C" 45*b2055c35SXin Li #endif 46*b2055c35SXin Li 47*b2055c35SXin Li #endif // WEBP_IMAGEIO_METADATA_H_ 48