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Diffstat (limited to 'media/img_utils/include/img_utils/ByteArrayOutput.h')
-rw-r--r-- | media/img_utils/include/img_utils/ByteArrayOutput.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/media/img_utils/include/img_utils/ByteArrayOutput.h b/media/img_utils/include/img_utils/ByteArrayOutput.h new file mode 100644 index 0000000..ba73977 --- /dev/null +++ b/media/img_utils/include/img_utils/ByteArrayOutput.h @@ -0,0 +1,82 @@ +/* + * 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*/ |