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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_BYTE_ARRAY_OUTPUT_H
#define IMG_UTILS_BYTE_ARRAY_OUTPUT_H
#include <img_utils/Output.h>
#include <utils/Errors.h>
#include <utils/Vector.h>
#include <cutils/compiler.h>
#include <stdint.h>
namespace android {
namespace img_utils {
/**
* Utility class that accumulates written bytes into a buffer.
*/
class ANDROID_API ByteArrayOutput : public Output {
public:
ByteArrayOutput();
virtual ~ByteArrayOutput();
/**
* Open this ByteArrayOutput.
*
* Returns OK on success, or a negative error code.
*/
virtual status_t open();
/**
* Write bytes from the given buffer. The number of bytes given in the count
* argument will be written. Bytes will be written from the given buffer starting
* at the index given in the offset argument.
*
* Returns OK on success, or a negative error code.
*/
virtual status_t write(const uint8_t* buf, size_t offset, size_t count);
/**
* Close this ByteArrayOutput.
*
* Returns OK on success, or a negative error code.
*/
virtual status_t close();
/**
* Get current size of the array of bytes written.
*/
virtual size_t getSize() const;
/**
* Get pointer to array of bytes written. It is not valid to use this pointer if
* open, write, or close is called after this method.
*/
virtual const uint8_t* getArray() const;
protected:
Vector<uint8_t> mByteArray;
};
} /*namespace img_utils*/
} /*namespace android*/
#endif /*IMG_UTILS_BYTE_ARRAY_OUTPUT_H*/
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