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comparison mupdf-source/thirdparty/jbig2dec/jbig2_page.h @ 2:b50eed0cc0ef upstream

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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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1:1d09e1dec1d9 2:b50eed0cc0ef
1 /* Copyright (C) 2001-2023 Artifex Software, Inc.
2 All Rights Reserved.
3
4 This software is provided AS-IS with no warranty, either express or
5 implied.
6
7 This software is distributed under license and may not be copied,
8 modified or distributed except as expressly authorized under the terms
9 of the license contained in the file LICENSE in this distribution.
10
11 Refer to licensing information at http://www.artifex.com or contact
12 Artifex Software, Inc., 39 Mesa Street, Suite 108A, San Francisco,
13 CA 94129, USA, for further information.
14 */
15
16 /*
17 jbig2dec
18 */
19
20 #ifndef _JBIG2_PAGE_H
21 #define _JBIG2_PAGE_H
22
23 /* the page structure handles decoded page
24 results. it's allocated by a 'page info'
25 segment and marked complete by an 'end of page'
26 segment.
27 */
28 typedef enum {
29 JBIG2_PAGE_FREE,
30 JBIG2_PAGE_NEW,
31 JBIG2_PAGE_COMPLETE,
32 JBIG2_PAGE_RETURNED,
33 JBIG2_PAGE_RELEASED
34 } Jbig2PageState;
35
36 struct _Jbig2Page {
37 Jbig2PageState state;
38 uint32_t number;
39 uint32_t height, width; /* in pixels */
40 uint32_t x_resolution, y_resolution; /* in pixels per meter */
41 uint16_t stripe_size;
42 bool striped;
43 uint32_t end_row;
44 uint8_t flags;
45 Jbig2Image *image;
46 };
47
48 int jbig2_page_info(Jbig2Ctx *ctx, Jbig2Segment *segment, const uint8_t *segment_data);
49 int jbig2_end_of_stripe(Jbig2Ctx *ctx, Jbig2Segment *segment, const uint8_t *segment_data);
50 int jbig2_end_of_page(Jbig2Ctx *ctx, Jbig2Segment *segment, const uint8_t *segment_data);
51 int jbig2_page_add_result(Jbig2Ctx *ctx, Jbig2Page *page, Jbig2Image *src, uint32_t x, uint32_t y, Jbig2ComposeOp op);
52
53 #endif /* _JBIG2_PAGE_H */