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1 /* |
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2 * Copyright © 2011 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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26 |
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27 #include "hb-font-private.hh" /* Shall be first since may include windows.h */ |
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28 |
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29 #include "hb-open-type-private.hh" |
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30 |
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31 #include "hb-ot-hhea-table.hh" |
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32 #include "hb-ot-hmtx-table.hh" |
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33 |
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34 #include <string.h> |
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35 |
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36 |
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37 |
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38 #if 0 |
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39 struct hb_tt_font_t |
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40 { |
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41 const struct hhea *hhea; |
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42 hb_blob_t *hhea_blob; |
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43 }; |
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44 |
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45 |
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46 static hb_tt_font_t * |
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47 _hb_tt_font_create (hb_font_t *font) |
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48 { |
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49 /* TODO Remove this object altogether */ |
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50 hb_tt_font_t *tt = (hb_tt_font_t *) calloc (1, sizeof (hb_tt_font_t)); |
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51 |
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52 tt->hhea_blob = Sanitizer<hhea>::sanitize (font->face->reference_table (HB_OT_TAG_hhea)); |
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53 tt->hhea = Sanitizer<hhea>::lock_instance (tt->hhea_blob); |
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54 |
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55 return tt; |
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56 } |
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57 |
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58 static void |
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59 _hb_tt_font_destroy (hb_tt_font_t *tt) |
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60 { |
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61 hb_blob_destroy (tt->hhea_blob); |
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62 |
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63 free (tt); |
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64 } |
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65 |
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66 static inline const hhea& |
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67 _get_hhea (hb_face_t *face) |
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68 { |
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69 return likely (face->tt && face->tt->hhea) ? *face->tt->hhea : Null(hhea); |
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70 } |
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71 |
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72 |
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73 /* |
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74 * hb_tt_font_funcs_t |
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75 */ |
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76 |
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77 #endif |