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