hb-ot-meta.h (2553B)
1 /* 2 * Copyright © 2019 Ebrahim Byagowi 3 * 4 * This is part of HarfBuzz, a text shaping library. 5 * 6 * Permission is hereby granted, without written agreement and without 7 * license or royalty fees, to use, copy, modify, and distribute this 8 * software and its documentation for any purpose, provided that the 9 * above copyright notice and the following two paragraphs appear in 10 * all copies of this software. 11 * 12 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR 13 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES 14 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN 15 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH 16 * DAMAGE. 17 * 18 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, 19 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 20 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS 21 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO 22 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. 23 */ 24 25 #if !defined(HB_OT_H_IN) && !defined(HB_NO_SINGLE_HEADER_ERROR) 26 #error "Include <hb-ot.h> instead." 27 #endif 28 29 #ifndef HB_OT_META_H 30 #define HB_OT_META_H 31 32 #include "hb.h" 33 34 HB_BEGIN_DECLS 35 36 /** 37 * hb_ot_meta_tag_t: 38 * @HB_OT_META_TAG_DESIGN_LANGUAGES: Design languages. Text, using only 39 * Basic Latin (ASCII) characters. Indicates languages and/or scripts 40 * for the user audiences that the font was primarily designed for. 41 * @HB_OT_META_TAG_SUPPORTED_LANGUAGES: Supported languages. Text, using 42 * only Basic Latin (ASCII) characters. Indicates languages and/or scripts 43 * that the font is declared to be capable of supporting. 44 * 45 * Known metadata tags from https://docs.microsoft.com/en-us/typography/opentype/spec/meta 46 * 47 * Since: 2.6.0 48 **/ 49 typedef enum { 50 /* 51 HB_OT_META_TAG_APPL = HB_TAG ('a','p','p','l'), 52 HB_OT_META_TAG_BILD = HB_TAG ('b','i','l','d'), 53 */ 54 HB_OT_META_TAG_DESIGN_LANGUAGES = HB_TAG ('d','l','n','g'), 55 HB_OT_META_TAG_SUPPORTED_LANGUAGES = HB_TAG ('s','l','n','g'), 56 57 /*< private >*/ 58 _HB_OT_META_TAG_MAX_VALUE = HB_TAG_MAX_SIGNED /*< skip >*/ 59 } hb_ot_meta_tag_t; 60 61 HB_EXTERN unsigned int 62 hb_ot_meta_get_entry_tags (hb_face_t *face, 63 unsigned int start_offset, 64 unsigned int *entries_count, /* IN/OUT. May be NULL. */ 65 hb_ot_meta_tag_t *entries /* OUT. May be NULL. */); 66 67 HB_EXTERN hb_blob_t * 68 hb_ot_meta_reference_entry (hb_face_t *face, hb_ot_meta_tag_t meta_tag); 69 70 HB_END_DECLS 71 72 #endif /* HB_OT_META_H */