Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/harfbuzz/src/hb-ot-shaper-syllabic.cc @ 46:7ee69f120f19 default tip

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
>>>>> tag v1.26.5+1 for changeset b74429b0f5c4
author Franz Glasner <fzglas.hg@dom66.de>
date Sat, 11 Oct 2025 17:17:30 +0200
parents b50eed0cc0ef
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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1 /*
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2 * Copyright © 2021 Behdad Esfahbod.
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3 *
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4 * This is part of HarfBuzz, a text shaping library.
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5 *
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6 * Permission is hereby granted, without written agreement and without
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7 * license or royalty fees, to use, copy, modify, and distribute this
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8 * software and its documentation for any purpose, provided that the
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9 * above copyright notice and the following two paragraphs appear in
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10 * all copies of this software.
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11 *
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12 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
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13 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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14 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
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15 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
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16 * DAMAGE.
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17 *
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18 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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19 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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20 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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21 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
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22 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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23 */
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24
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25 #include "hb.hh"
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26
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27 #ifndef HB_NO_OT_SHAPE
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29 #include "hb-ot-shaper-syllabic.hh"
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30
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31
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32 bool
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33 hb_syllabic_insert_dotted_circles (hb_font_t *font,
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34 hb_buffer_t *buffer,
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35 unsigned int broken_syllable_type,
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36 unsigned int dottedcircle_category,
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37 int repha_category,
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38 int dottedcircle_position)
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39 {
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40 if (unlikely (buffer->flags & HB_BUFFER_FLAG_DO_NOT_INSERT_DOTTED_CIRCLE))
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41 return false;
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42 if (likely (!(buffer->scratch_flags & HB_BUFFER_SCRATCH_FLAG_HAS_BROKEN_SYLLABLE)))
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43 return false;
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44
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45 hb_codepoint_t dottedcircle_glyph;
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46 if (!font->get_nominal_glyph (0x25CCu, &dottedcircle_glyph))
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47 return false;
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48
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49 hb_glyph_info_t dottedcircle = {0};
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50 dottedcircle.codepoint = 0x25CCu;
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51 dottedcircle.ot_shaper_var_u8_category() = dottedcircle_category;
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52 if (dottedcircle_position != -1)
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53 dottedcircle.ot_shaper_var_u8_auxiliary() = dottedcircle_position;
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54 dottedcircle.codepoint = dottedcircle_glyph;
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55
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56 buffer->clear_output ();
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57
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58 buffer->idx = 0;
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59 unsigned int last_syllable = 0;
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60 while (buffer->idx < buffer->len && buffer->successful)
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61 {
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62 unsigned int syllable = buffer->cur().syllable();
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63 if (unlikely (last_syllable != syllable && (syllable & 0x0F) == broken_syllable_type))
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64 {
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65 last_syllable = syllable;
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66
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67 hb_glyph_info_t ginfo = dottedcircle;
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68 ginfo.cluster = buffer->cur().cluster;
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69 ginfo.mask = buffer->cur().mask;
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70 ginfo.syllable() = buffer->cur().syllable();
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71
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72 /* Insert dottedcircle after possible Repha. */
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73 if (repha_category != -1)
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74 {
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75 while (buffer->idx < buffer->len && buffer->successful &&
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76 last_syllable == buffer->cur().syllable() &&
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77 buffer->cur().ot_shaper_var_u8_category() == (unsigned) repha_category)
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78 (void) buffer->next_glyph ();
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79 }
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80
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81 (void) buffer->output_info (ginfo);
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82 }
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83 else
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84 (void) buffer->next_glyph ();
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85 }
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86 buffer->sync ();
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87 return true;
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88 }
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89
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90 HB_INTERNAL bool
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91 hb_syllabic_clear_var (const hb_ot_shape_plan_t *plan,
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92 hb_font_t *font,
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93 hb_buffer_t *buffer)
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94 {
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95 HB_BUFFER_DEALLOCATE_VAR (buffer, syllable);
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96 return false;
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97 }
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98
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
99
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
100 #endif