1e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk/* 2e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk * Copyright 2014 The Android Open Source Project 3e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk * 4e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk * Licensed under the Apache License, Version 2.0 (the "License"); 5e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk * you may not use this file except in compliance with the License. 6e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk * You may obtain a copy of the License at 7e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk * 8e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk * http://www.apache.org/licenses/LICENSE-2.0 9e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk * 10e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk * Unless required by applicable law or agreed to in writing, software 11e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk * distributed under the License is distributed on an "AS IS" BASIS, 12e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk * See the License for the specific language governing permissions and 14e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk * limitations under the License. 15e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk */ 16e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk 17e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk#ifndef IMG_UTILS_BYTE_ARRAY_OUTPUT_H 18e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk#define IMG_UTILS_BYTE_ARRAY_OUTPUT_H 19e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk 20e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk#include <img_utils/Output.h> 21e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk 22e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk#include <utils/Errors.h> 23e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk#include <utils/Vector.h> 24e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk 25e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk#include <cutils/compiler.h> 26e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk#include <stdint.h> 27e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk 28e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunknamespace android { 29e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunknamespace img_utils { 30e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk 31e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk/** 32e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk * Utility class that accumulates written bytes into a buffer. 33e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk */ 34e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunkclass ANDROID_API ByteArrayOutput : public Output { 35e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk public: 36e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk 37e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk ByteArrayOutput(); 38e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk 39e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk virtual ~ByteArrayOutput(); 40e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk 41e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk /** 42e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk * Open this ByteArrayOutput. 43e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk * 44e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk * Returns OK on success, or a negative error code. 45e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk */ 46e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk virtual status_t open(); 47e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk 48e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk /** 49e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk * Write bytes from the given buffer. The number of bytes given in the count 50e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk * argument will be written. Bytes will be written from the given buffer starting 51e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk * at the index given in the offset argument. 52e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk * 53e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk * Returns OK on success, or a negative error code. 54e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk */ 55e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk virtual status_t write(const uint8_t* buf, size_t offset, size_t count); 56e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk 57e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk /** 58e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk * Close this ByteArrayOutput. 59e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk * 60e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk * Returns OK on success, or a negative error code. 61e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk */ 62e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk virtual status_t close(); 63e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk 64e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk /** 65e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk * Get current size of the array of bytes written. 66e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk */ 67e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk virtual size_t getSize() const; 68e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk 69e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk /** 70e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk * Get pointer to array of bytes written. It is not valid to use this pointer if 71e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk * open, write, or close is called after this method. 72e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk */ 73e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk virtual const uint8_t* getArray() const; 74e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk 75e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk protected: 76e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk Vector<uint8_t> mByteArray; 77e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk}; 78e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk 79e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk} /*namespace img_utils*/ 80e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk} /*namespace android*/ 81e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk 82e507721000647a7d8afe44c63ef7fd04ef8971b1Ruben Brunk#endif /*IMG_UTILS_BYTE_ARRAY_OUTPUT_H*/ 83