Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/source/fitz/bidi-imp.h @ 22:d77477b4e151

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Let _int_rc() also handle (i.e. ignore) a local version suffix
author Franz Glasner <fzglas.hg@dom66.de>
date Fri, 19 Sep 2025 12:05:57 +0200
parents b50eed0cc0ef
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #ifndef MUPDF_BIDI_IMP_H
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2 #define MUPDF_BIDI_IMP_H
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4 /* For use with Bidi Reference Implementation
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5 For more information see the associated file bidi-std.c
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7 Credits:
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8 -------
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9 Written by: Asmus Freytag
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10 Command line interface by: Rick McGowan
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11 Verification (v24): Doug Felt
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13 Disclaimer and legal rights:
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14 ---------------------------
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15 Copyright (C) 1999-2009, ASMUS, Inc. All Rights Reserved.
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16 Distributed under the Terms of Use in http://www.unicode.org/copyright.html.
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18 THIS SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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19 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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20 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
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21 IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN THIS NOTICE
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22 BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES,
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23 OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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24 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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25 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THE SOFTWARE.
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26 */
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28 /* Bidirectional Character Types
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29 * as defined by the Unicode Bidirectional Algorithm Table 3-7.
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30 * The list of bidirectional character types here is not grouped the
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31 * same way as the table 3-7, since the numeric values for the types
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32 * are chosen to keep the state and action tables compact.
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33 */
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34 enum
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35 {
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36 /* input types */
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37 /* ON MUST be zero, code relies on ON = N = 0 */
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38 BDI_ON = 0, /* Other Neutral */
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39 BDI_L, /* Left-to-right Letter */
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40 BDI_R, /* Right-to-left Letter */
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41 BDI_AN, /* Arabic Number */
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42 BDI_EN, /* European Number */
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43 BDI_AL, /* Arabic Letter (Right-to-left) */
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44 BDI_NSM, /* Non-spacing Mark */
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45 BDI_CS, /* Common Separator */
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46 BDI_ES, /* European Separator */
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47 BDI_ET, /* European Terminator (post/prefix e.g. $ and %) */
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49 /* resolved types */
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50 BDI_BN, /* Boundary neutral (type of RLE etc after explicit levels)*/
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52 /* input types, */
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53 BDI_S, /* Segment Separator (TAB) used only in L1 */
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54 BDI_WS, /* White space used only in L1 */
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55 BDI_B, /* Paragraph Separator (aka as PS) */
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57 /* types for explicit controls */
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58 BDI_RLO, /* these are used only in X1-X9 */
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59 BDI_RLE,
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60 BDI_LRO,
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61 BDI_LRE,
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62 BDI_PDF,
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64 /* resolved types, also resolved directions */
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65 BDI_N = BDI_ON /* alias, where ON, WS and S are treated the same */
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66 };
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68 typedef int fz_bidi_level; /* Note: Max level is 125 */
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69 typedef uint8_t fz_bidi_chartype;
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71 enum
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72 {
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73 BIDI_LEVEL_MAX = 125 /* Updated for 6.3.0 */
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74 };
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76 void fz_bidi_resolve_neutrals(fz_bidi_level baselevel, fz_bidi_chartype *pcls, const fz_bidi_level *plevel, size_t cch);
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77 void fz_bidi_resolve_implicit(const fz_bidi_chartype *pcls, fz_bidi_level *plevel, size_t cch);
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78 void fz_bidi_resolve_weak(fz_context *ctx, fz_bidi_level baselevel, fz_bidi_chartype *pcls, fz_bidi_level *plevel, size_t cch);
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79 void fz_bidi_resolve_whitespace(fz_bidi_level baselevel, const fz_bidi_chartype *pcls, fz_bidi_level *plevel, size_t cch);
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80 size_t fz_bidi_resolve_explicit(fz_bidi_level level, fz_bidi_chartype dir, fz_bidi_chartype *pcls, fz_bidi_level *plevel, size_t cch, fz_bidi_level nNest);
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81 size_t fz_bidi_resolve_paragraphs(fz_bidi_chartype *types, size_t cch);
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83 #endif