Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/jbig2dec/jbig2_halftone.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
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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_HALFTONE_H
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21 #define _JBIG2_HALFTONE_H
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23 typedef struct {
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24 int n_patterns;
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25 Jbig2Image **patterns;
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26 uint32_t HPW, HPH;
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27 } Jbig2PatternDict;
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29 /* Table 24 */
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30 typedef struct {
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31 bool HDMMR;
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32 uint32_t HDPW;
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33 uint32_t HDPH;
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34 uint32_t GRAYMAX;
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35 int HDTEMPLATE;
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36 } Jbig2PatternDictParams;
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38 /* Table 33 */
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39 typedef struct {
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40 byte flags;
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41 uint32_t HGW;
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42 uint32_t HGH;
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43 int32_t HGX;
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44 int32_t HGY;
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45 uint16_t HRX;
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46 uint16_t HRY;
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47 bool HMMR;
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48 int HTEMPLATE;
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49 bool HENABLESKIP;
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50 Jbig2ComposeOp HCOMBOP;
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51 bool HDEFPIXEL;
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52 } Jbig2HalftoneRegionParams;
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54 void jbig2_hd_release(Jbig2Ctx *ctx, Jbig2PatternDict *dict);
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56 int jbig2_halftone_region(Jbig2Ctx *ctx, Jbig2Segment *segment, const byte *segment_data);
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57 int jbig2_pattern_dictionary(Jbig2Ctx *ctx, Jbig2Segment *segment, const byte *segment_data);
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59 #endif /* _JBIG2_HALFTONE_H */