Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/jbig2dec/jbig2_segment.h @ 43:202a1f38a622

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FIX: New added code snippets did not yet account for the changed return values from "_fromto()"
author Franz Glasner <fzglas.hg@dom66.de>
date Sat, 11 Oct 2025 17:15:08 +0200
parents b50eed0cc0ef
children
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1 /* Copyright (C) 2001-2023 Artifex Software, Inc.
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2 All Rights Reserved.
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4 This software is provided AS-IS with no warranty, either express or
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5 implied.
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7 This software is distributed under license and may not be copied,
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8 modified or distributed except as expressly authorized under the terms
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9 of the license contained in the file LICENSE in this distribution.
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11 Refer to licensing information at http://www.artifex.com or contact
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12 Artifex Software, Inc., 39 Mesa Street, Suite 108A, San Francisco,
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13 CA 94129, USA, for further information.
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14 */
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16 /*
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17 jbig2dec
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18 */
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20 #ifndef _JBIG2_SEGMENT_H
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21 #define _JBIG2_SEGMENT_H
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23 /* segment header routines */
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25 struct _Jbig2Segment {
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26 uint32_t number;
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27 uint8_t flags;
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28 uint32_t page_association;
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29 size_t data_length;
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30 int referred_to_segment_count;
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31 uint32_t *referred_to_segments;
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32 uint32_t rows;
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33 void *result;
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34 };
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36 Jbig2Segment *jbig2_parse_segment_header(Jbig2Ctx *ctx, uint8_t *buf, size_t buf_size, size_t *p_header_size);
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37 int jbig2_parse_segment(Jbig2Ctx *ctx, Jbig2Segment *segment, const uint8_t *segment_data);
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38 void jbig2_free_segment(Jbig2Ctx *ctx, Jbig2Segment *segment);
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39 Jbig2Segment *jbig2_find_segment(Jbig2Ctx *ctx, uint32_t number);
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41 /* region segment info */
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43 typedef struct {
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44 uint32_t width;
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45 uint32_t height;
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46 uint32_t x;
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47 uint32_t y;
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48 Jbig2ComposeOp op;
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49 uint8_t flags;
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50 } Jbig2RegionSegmentInfo;
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52 void jbig2_get_region_segment_info(Jbig2RegionSegmentInfo *info, const uint8_t *segment_data);
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53
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54 #endif /* _JBIG2_SEGMENT_H */