92 lines
1.9 KiB
C
92 lines
1.9 KiB
C
/*
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* sff.h
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*
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* Author Karsten Keil <kkeil@linux-pingi.de>
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*
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* Copyright 2011 by Karsten Keil <kkeil@linux-pingi.de>
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*
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* This code is free software; you can redistribute it and/or modify
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* it under the terms of the GNU LESSER GENERAL PUBLIC LICENSE
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* version 2.1 as published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU LESSER GENERAL PUBLIC LICENSE for more details.
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*
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*/
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#ifndef _SFF_H
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#define _SFF_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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#include "mc_buffer.h"
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#define SFF_MAGIC_HEAD 0x66666653
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#define SFF_VERSION 1
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#define SFF_RT_PAGEHEAD 0xfe
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#define SFF_FILE_HEADER_SIZE 20
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struct sff_file_head {
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uint32_t magic;
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uint8_t version;
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uint8_t reserved;
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uint16_t userinfo;
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uint16_t pagecount;
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uint16_t o_firstpageheader;
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uint32_t o_lastpageheader;
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uint32_t o_docend;
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};
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#define SFF_PAGE_HEADER_SIZE 18
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struct sff_page_head {
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uint8_t rectype;
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uint8_t pageheaderlen;
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uint8_t res_vertical;
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uint8_t res_horizontal;
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uint8_t coding;
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uint8_t reserved;
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uint16_t linelen;
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uint16_t pagelen;
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uint32_t o_previous_page;
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uint32_t o_next_page;
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};
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enum SFFState {
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SFF_Begin = 0,
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SFF_Header,
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SFF_PageHeader,
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SFF_PageData,
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SFF_PageDone,
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SFF_DocEnd,
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};
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struct sff_page;
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struct sff_state {
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enum SFFState state;
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struct sff_file_head fh;
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int page_cnt;
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struct sff_page *firstpage;
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struct sff_page *lastpage;
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size_t data_size;
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size_t size;
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unsigned char *data;
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unsigned char *dp; /* current byte */
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unsigned char *ep; /* last byte */
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};
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int SFF_Put_Data(struct sff_state *, unsigned char *, int);
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int SFF_WriteTiff(struct sff_state *, char *);
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int SFF_ReadTiff(struct sff_state *, char *);
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#ifdef __cplusplus
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}
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#endif
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#endif
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