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1 /*
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2 * Copyright © 2019 Ebrahim Byagowi
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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 #ifndef HB_OT_H_IN
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26 #error "Include <hb-ot.h> instead."
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27 #endif
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28
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29 #ifndef HB_OT_META_H
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30 #define HB_OT_META_H
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31
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32 #include "hb.h"
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33
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34 HB_BEGIN_DECLS
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35
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36 /**
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37 * hb_ot_meta_tag_t:
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38 * @HB_OT_META_TAG_DESIGN_LANGUAGES: Design languages. Text, using only
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39 * Basic Latin (ASCII) characters. Indicates languages and/or scripts
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40 * for the user audiences that the font was primarily designed for.
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41 * @HB_OT_META_TAG_SUPPORTED_LANGUAGES: Supported languages. Text, using
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42 * only Basic Latin (ASCII) characters. Indicates languages and/or scripts
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43 * that the font is declared to be capable of supporting.
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44 *
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45 * Known metadata tags from https://docs.microsoft.com/en-us/typography/opentype/spec/meta
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46 *
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47 * Since: 2.6.0
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48 **/
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49 typedef enum {
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50 /*
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51 HB_OT_META_TAG_APPL = HB_TAG ('a','p','p','l'),
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52 HB_OT_META_TAG_BILD = HB_TAG ('b','i','l','d'),
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53 */
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54 HB_OT_META_TAG_DESIGN_LANGUAGES = HB_TAG ('d','l','n','g'),
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55 HB_OT_META_TAG_SUPPORTED_LANGUAGES = HB_TAG ('s','l','n','g'),
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56
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57 _HB_OT_META_TAG_MAX_VALUE = HB_TAG_MAX_SIGNED /*< skip >*/
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58 } hb_ot_meta_tag_t;
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59
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60 HB_EXTERN unsigned int
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61 hb_ot_meta_get_entry_tags (hb_face_t *face,
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62 unsigned int start_offset,
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63 unsigned int *entries_count, /* IN/OUT. May be NULL. */
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64 hb_ot_meta_tag_t *entries /* OUT. May be NULL. */);
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65
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66 HB_EXTERN hb_blob_t *
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67 hb_ot_meta_reference_entry (hb_face_t *face, hb_ot_meta_tag_t meta_tag);
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68
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69 HB_END_DECLS
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70
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71 #endif /* HB_OT_META_H */
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