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// Copyright 2012 Google Inc. All Rights Reserved.
// Use of this source code is governed by a BSD-style license
// that can be found in the COPYING file in the root of the source
// tree. An additional intellectual property rights grant can be found
// in the file PATENTS. All contributing project authors may
// be found in the AUTHORS file in the root of the source tree.
// -----------------------------------------------------------------------------
// Metadata types and functions.
#include "webp/types.h"
#ifdef __cplusplus
extern "C" {
typedef struct MetadataPayload {
uint8_t* bytes;
size_t size;
} MetadataPayload;
typedef struct Metadata {
MetadataPayload exif;
MetadataPayload iccp;
MetadataPayload xmp;
} Metadata;
#define METADATA_OFFSET(x) offsetof(Metadata, x)
void MetadataInit(Metadata* const metadata);
void MetadataPayloadDelete(MetadataPayload* const payload);
void MetadataFree(Metadata* const metadata);
// Stores 'metadata' to 'payload->bytes', returns false on allocation error.
int MetadataCopy(const char* metadata, size_t metadata_len,
MetadataPayload* const payload);
#ifdef __cplusplus
} // extern "C"