harfbuzz/src/hb-ot-meta.cc

78 lines
2.3 KiB
C++

/*
* Copyright © 2019 Ebrahim Byagowi
*
* This is part of HarfBuzz, a text shaping library.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and its documentation for any purpose, provided that the
* above copyright notice and the following two paragraphs appear in
* all copies of this software.
*
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*/
#include "hb.hh"
#ifndef HB_NO_META
#include "hb-ot-meta-table.hh"
/**
* SECTION:hb-ot-meta
* @title: hb-ot-meta
* @short_description: OpenType Metadata
* @include: hb-ot.h
*
* Functions for fetching metadata from fonts.
**/
/**
* hb_ot_meta_reference_entry:
* @face: a face object
* @start_offset: iteration's start offset
* @entries_count:(inout) (allow-none): buffer size as input, filled size as output
* @entries: (out caller-allocates) (array length=entries_count): entries tags buffer
*
* Return value: Number of all available feature types.
*
* Since: 2.6.0
**/
unsigned int
hb_ot_meta_get_entry_tags (hb_face_t *face,
unsigned int start_offset,
unsigned int *entries_count, /* IN/OUT. May be NULL. */
hb_ot_meta_tag_t *entries /* OUT. May be NULL. */)
{
return face->table.meta->get_entries (start_offset, entries_count, entries);
}
/**
* hb_ot_meta_reference_entry:
* @face: a #hb_face_t object.
* @meta_tag: tag of metadata you like to have.
*
* It fetches metadata entry of a given tag from a font.
*
* Returns: (transfer full): A blob containing the blob.
*
* Since: 2.6.0
**/
hb_blob_t *
hb_ot_meta_reference_entry (hb_face_t *face, hb_ot_meta_tag_t meta_tag)
{
return face->table.meta->reference_entry (meta_tag);
}
#endif