55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
|
/* Copyright (C) 2001-2019 Artifex Software, Inc.
|
||
|
|
All Rights Reserved.
|
||
|
|
|
||
|
|
This software is provided AS-IS with no warranty, either express or
|
||
|
|
implied.
|
||
|
|
|
||
|
|
This software is distributed under license and may not be copied,
|
||
|
|
modified or distributed except as expressly authorized under the terms
|
||
|
|
of the license contained in the file LICENSE in this distribution.
|
||
|
|
|
||
|
|
Refer to licensing information at http://www.artifex.com or contact
|
||
|
|
Artifex Software, Inc., 1305 Grant Avenue - Suite 200, Novato,
|
||
|
|
CA 94945, U.S.A., +1(415)492-9861, for further information.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
jbig2dec
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _JBIG2_SEGMENT_H
|
||
|
|
#define _JBIG2_SEGMENT_H
|
||
|
|
|
||
|
|
/* segment header routines */
|
||
|
|
|
||
|
|
struct _Jbig2Segment {
|
||
|
|
uint32_t number;
|
||
|
|
uint8_t flags;
|
||
|
|
uint32_t page_association;
|
||
|
|
size_t data_length;
|
||
|
|
int referred_to_segment_count;
|
||
|
|
uint32_t *referred_to_segments;
|
||
|
|
uint32_t rows;
|
||
|
|
void *result;
|
||
|
|
};
|
||
|
|
|
||
|
|
Jbig2Segment *jbig2_parse_segment_header(Jbig2Ctx *ctx, uint8_t *buf, size_t buf_size, size_t *p_header_size);
|
||
|
|
int jbig2_parse_segment(Jbig2Ctx *ctx, Jbig2Segment *segment, const uint8_t *segment_data);
|
||
|
|
void jbig2_free_segment(Jbig2Ctx *ctx, Jbig2Segment *segment);
|
||
|
|
Jbig2Segment *jbig2_find_segment(Jbig2Ctx *ctx, uint32_t number);
|
||
|
|
|
||
|
|
/* region segment info */
|
||
|
|
|
||
|
|
typedef struct {
|
||
|
|
uint32_t width;
|
||
|
|
uint32_t height;
|
||
|
|
uint32_t x;
|
||
|
|
uint32_t y;
|
||
|
|
Jbig2ComposeOp op;
|
||
|
|
uint8_t flags;
|
||
|
|
} Jbig2RegionSegmentInfo;
|
||
|
|
|
||
|
|
void jbig2_get_region_segment_info(Jbig2RegionSegmentInfo *info, const uint8_t *segment_data);
|
||
|
|
|
||
|
|
#endif /* _JBIG2_SEGMENT_H */
|