Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/jbig2dec/jbig2_page.h @ 21:2f43e400f144

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Provide an "all" target to build both the sdist and the wheel
author Franz Glasner <fzglas.hg@dom66.de>
date Fri, 19 Sep 2025 10:28:53 +0200
parents b50eed0cc0ef
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /* Copyright (C) 2001-2023 Artifex Software, Inc.
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2 All Rights Reserved.
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3
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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_PAGE_H
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21 #define _JBIG2_PAGE_H
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23 /* the page structure handles decoded page
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24 results. it's allocated by a 'page info'
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25 segment and marked complete by an 'end of page'
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26 segment.
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27 */
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28 typedef enum {
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29 JBIG2_PAGE_FREE,
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30 JBIG2_PAGE_NEW,
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31 JBIG2_PAGE_COMPLETE,
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32 JBIG2_PAGE_RETURNED,
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33 JBIG2_PAGE_RELEASED
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34 } Jbig2PageState;
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36 struct _Jbig2Page {
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37 Jbig2PageState state;
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38 uint32_t number;
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39 uint32_t height, width; /* in pixels */
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40 uint32_t x_resolution, y_resolution; /* in pixels per meter */
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41 uint16_t stripe_size;
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42 bool striped;
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43 uint32_t end_row;
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44 uint8_t flags;
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45 Jbig2Image *image;
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46 };
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48 int jbig2_page_info(Jbig2Ctx *ctx, Jbig2Segment *segment, const uint8_t *segment_data);
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49 int jbig2_end_of_stripe(Jbig2Ctx *ctx, Jbig2Segment *segment, const uint8_t *segment_data);
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50 int jbig2_end_of_page(Jbig2Ctx *ctx, Jbig2Segment *segment, const uint8_t *segment_data);
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51 int jbig2_page_add_result(Jbig2Ctx *ctx, Jbig2Page *page, Jbig2Image *src, uint32_t x, uint32_t y, Jbig2ComposeOp op);
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53 #endif /* _JBIG2_PAGE_H */