// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef _ESP_JPG_DECODE_H_
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#define _ESP_JPG_DECODE_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stddef.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include "esp_err.h"
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typedef enum {
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JPG_SCALE_NONE,
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JPG_SCALE_2X,
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JPG_SCALE_4X,
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JPG_SCALE_8X,
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JPG_SCALE_MAX = JPG_SCALE_8X
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} jpg_scale_t;
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typedef size_t (* jpg_reader_cb)(void * arg, size_t index, uint8_t *buf, size_t len);
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typedef bool (* jpg_writer_cb)(void * arg, uint16_t x, uint16_t y, uint16_t w, uint16_t h, uint8_t *data);
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esp_err_t esp_jpg_decode(size_t len, jpg_scale_t scale, jpg_reader_cb reader, jpg_writer_cb writer, void * arg);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _ESP_JPG_DECODE_H_ */
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