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/*
 * libmedia-thumbnail
 *
 * Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. All rights reserved.
 *
 * Contact: Hyunjun Ko <zzoon.ko@samsung.com>
 *
 * 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 _IMGCODEC_PARSER_H_
#define _IMGCODEC_PARSER_H_

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

#define		MINIMUM_HEADER_BYTES	8

#define		PNG_HEADER_LENGTH	8
#define		JPG_HEADER_LENGTH	2
#define		GIF_HEADER_LENGTH	3
#define		BMP_HEADER_LENGTH	2
#define		WBMP_HEADER_LENGTH	2

#define		JPG_HEADER_TYPE_LENGTH 2
#define		JPG_BLOCK_SIZE_LENGTH 2
#define		JPG_IMAGE_SIZE_LENGTH 8

#define		FILE_READ_SIZE		4096

typedef enum {
	IMG_CODEC_UNKNOWN_TYPE			= -2,
	IMG_CODEC_BIG_PROGRESSIVE_JPEG	= -1,
	IMG_CODEC_NONE					= 0,
	IMG_CODEC_GIF						= (1 << 0),
	IMG_CODEC_PNG						= (1 << 1),
	IMG_CODEC_WBMP					= (1 << 2),
	IMG_CODEC_JPEG						= (1 << 3),
	IMG_CODEC_BMP						= (1 << 4),
	IMG_CODEC_TIF						= (1 << 5),
	IMG_CODEC_AGIF						= (1 << 6),
	IMG_CODEC_PROGRESSIVE_JPEG		= (1 << 7),
	IMG_CODEC_DRM					= (1 << 8),
}  ImgCodecType;

typedef struct _stream {
	FILE *fd;
	unsigned int buffpos;
	unsigned int filepos;
	unsigned int filesize;
	unsigned int buffend;
	unsigned int debugpos;
	unsigned char *buffer;
} IFEGSTREAMCTRL;

int ImgGetImageInfo(const char *filePath, ImgCodecType *type, unsigned int *width, unsigned int *height);

#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif