annotate mupdf-source/thirdparty/harfbuzz/src/hb-ot-shape-normalize.hh @ 22:d77477b4e151

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 /*
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2 * Copyright © 2012 Google, Inc.
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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 * Google Author(s): Behdad Esfahbod
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25 */
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27 #ifndef HB_OT_SHAPE_NORMALIZE_HH
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28 #define HB_OT_SHAPE_NORMALIZE_HH
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30 #include "hb.hh"
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33 /* buffer var allocations, used during the normalization process */
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34 #define glyph_index() var1.u32
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36 struct hb_ot_shape_plan_t;
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38 enum hb_ot_shape_normalization_mode_t {
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39 HB_OT_SHAPE_NORMALIZATION_MODE_NONE,
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40 HB_OT_SHAPE_NORMALIZATION_MODE_DECOMPOSED,
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41 HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS, /* Never composes base-to-base */
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42 HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS_NO_SHORT_CIRCUIT, /* Always fully decomposes and then recompose back */
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44 HB_OT_SHAPE_NORMALIZATION_MODE_AUTO, /* See hb-ot-shape-normalize.cc for logic. */
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45 HB_OT_SHAPE_NORMALIZATION_MODE_DEFAULT = HB_OT_SHAPE_NORMALIZATION_MODE_AUTO
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46 };
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48 HB_INTERNAL void _hb_ot_shape_normalize (const hb_ot_shape_plan_t *shaper,
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49 hb_buffer_t *buffer,
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50 hb_font_t *font);
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51
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53 struct hb_ot_shape_normalize_context_t
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54 {
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55 const hb_ot_shape_plan_t *plan;
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56 hb_buffer_t *buffer;
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57 hb_font_t *font;
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58 hb_unicode_funcs_t *unicode;
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59 const hb_codepoint_t not_found;
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60 bool (*decompose) (const hb_ot_shape_normalize_context_t *c,
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61 hb_codepoint_t ab,
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62 hb_codepoint_t *a,
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63 hb_codepoint_t *b);
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64 bool (*compose) (const hb_ot_shape_normalize_context_t *c,
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65 hb_codepoint_t a,
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66 hb_codepoint_t b,
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67 hb_codepoint_t *ab);
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68 };
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71 #endif /* HB_OT_SHAPE_NORMALIZE_HH */