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/*
* Copyright 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef IMG_UTILS_TIFF_WRITABLE
#define IMG_UTILS_TIFF_WRITABLE
#include <img_utils/Orderable.h>
#include <img_utils/EndianUtils.h>
#include <img_utils/Output.h>
#include <cutils/compiler.h>
#include <utils/Errors.h>
#include <utils/RefBase.h>
#include <stdint.h>
namespace android {
namespace img_utils {
/**
* TiffWritable subclasses represent TIFF metadata objects that can be written
* to an EndianOutput object. This is used for TIFF entries and IFDs.
*/
class ANDROID_API TiffWritable : public Orderable, public LightRefBase<TiffWritable> {
public:
TiffWritable();
virtual ~TiffWritable();
/**
* Write the data to the output. The given offset is used to calculate
* the header offset for values written. The offset is defined
* relative to the beginning of the TIFF header, and is word aligned.
*
* Returns OK on success, or a negative error code on failure.
*/
virtual status_t writeData(uint32_t offset, /*out*/EndianOutput* out) const = 0;
/**
* Get the size of the data to write.
*/
virtual size_t getSize() const = 0;
};
} /*namespace img_utils*/
} /*namespace android*/
#endif /*IMG_UTILS_TIFF_WRITABLE*/
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