jpayne@69: /*
jpayne@69:  * Copyright © 2019  Ebrahim Byagowi
jpayne@69:  *
jpayne@69:  *  This is part of HarfBuzz, a text shaping library.
jpayne@69:  *
jpayne@69:  * Permission is hereby granted, without written agreement and without
jpayne@69:  * license or royalty fees, to use, copy, modify, and distribute this
jpayne@69:  * software and its documentation for any purpose, provided that the
jpayne@69:  * above copyright notice and the following two paragraphs appear in
jpayne@69:  * all copies of this software.
jpayne@69:  *
jpayne@69:  * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
jpayne@69:  * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
jpayne@69:  * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
jpayne@69:  * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
jpayne@69:  * DAMAGE.
jpayne@69:  *
jpayne@69:  * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
jpayne@69:  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
jpayne@69:  * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
jpayne@69:  * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
jpayne@69:  * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
jpayne@69:  */
jpayne@69: 
jpayne@69: #ifndef HB_OT_H_IN
jpayne@69: #error "Include <hb-ot.h> instead."
jpayne@69: #endif
jpayne@69: 
jpayne@69: #ifndef HB_OT_META_H
jpayne@69: #define HB_OT_META_H
jpayne@69: 
jpayne@69: #include "hb.h"
jpayne@69: 
jpayne@69: HB_BEGIN_DECLS
jpayne@69: 
jpayne@69: /**
jpayne@69:  * hb_ot_meta_tag_t:
jpayne@69:  * @HB_OT_META_TAG_DESIGN_LANGUAGES: Design languages. Text, using only
jpayne@69:  * Basic Latin (ASCII) characters. Indicates languages and/or scripts
jpayne@69:  * for the user audiences that the font was primarily designed for.
jpayne@69:  * @HB_OT_META_TAG_SUPPORTED_LANGUAGES: Supported languages. Text, using
jpayne@69:  * only Basic Latin (ASCII) characters. Indicates languages and/or scripts
jpayne@69:  * that the font is declared to be capable of supporting.
jpayne@69:  *
jpayne@69:  * Known metadata tags from https://docs.microsoft.com/en-us/typography/opentype/spec/meta
jpayne@69:  *
jpayne@69:  * Since: 2.6.0
jpayne@69:  **/
jpayne@69: typedef enum {
jpayne@69: /*
jpayne@69:    HB_OT_META_TAG_APPL		= HB_TAG ('a','p','p','l'),
jpayne@69:    HB_OT_META_TAG_BILD		= HB_TAG ('b','i','l','d'),
jpayne@69: */
jpayne@69:   HB_OT_META_TAG_DESIGN_LANGUAGES	= HB_TAG ('d','l','n','g'),
jpayne@69:   HB_OT_META_TAG_SUPPORTED_LANGUAGES	= HB_TAG ('s','l','n','g'),
jpayne@69: 
jpayne@69:   _HB_OT_META_TAG_MAX_VALUE = HB_TAG_MAX_SIGNED /*< skip >*/
jpayne@69: } hb_ot_meta_tag_t;
jpayne@69: 
jpayne@69: HB_EXTERN unsigned int
jpayne@69: hb_ot_meta_get_entry_tags (hb_face_t        *face,
jpayne@69: 			   unsigned int      start_offset,
jpayne@69: 			   unsigned int     *entries_count, /* IN/OUT.  May be NULL. */
jpayne@69: 			   hb_ot_meta_tag_t *entries        /* OUT.     May be NULL. */);
jpayne@69: 
jpayne@69: HB_EXTERN hb_blob_t *
jpayne@69: hb_ot_meta_reference_entry (hb_face_t *face, hb_ot_meta_tag_t meta_tag);
jpayne@69: 
jpayne@69: HB_END_DECLS
jpayne@69: 
jpayne@69: #endif /* HB_OT_META_H */