84 lines
2.4 KiB
C++
84 lines
2.4 KiB
C++
/*
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* Copyright © 2017 Google, Inc.
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*
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* This is part of HarfBuzz, a text shaping library.
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*
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* Permission is hereby granted, without written agreement and without
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* license or royalty fees, to use, copy, modify, and distribute this
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* software and its documentation for any purpose, provided that the
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* above copyright notice and the following two paragraphs appear in
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* all copies of this software.
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*
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
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* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*
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* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
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* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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*
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* Google Author(s): Behdad Esfahbod
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*/
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#ifndef HB_AAT_LAYOUT_HH
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#define HB_AAT_LAYOUT_HH
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#include "hb.hh"
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#include "hb-ot-shape.hh"
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struct hb_aat_feature_mapping_t
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{
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hb_tag_t otFeatureTag;
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uint16_t aatFeatureType;
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uint16_t selectorToEnable;
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uint16_t selectorToDisable;
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static inline int cmp (const void *key_, const void *entry_)
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{
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hb_tag_t key = * (unsigned int *) key_;
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const hb_aat_feature_mapping_t * entry = (const hb_aat_feature_mapping_t *) entry_;
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return key < entry->otFeatureTag ? -1 :
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key > entry->otFeatureTag ? 1 :
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0;
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}
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};
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HB_INTERNAL const hb_aat_feature_mapping_t *
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hb_aat_layout_find_feature_mapping (hb_tag_t tag);
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HB_INTERNAL void
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hb_aat_layout_compile_map (const hb_aat_map_builder_t *mapper,
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hb_aat_map_t *map);
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HB_INTERNAL hb_bool_t
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hb_aat_layout_has_substitution (hb_face_t *face);
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HB_INTERNAL void
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hb_aat_layout_substitute (hb_ot_shape_plan_t *plan,
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hb_font_t *font,
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hb_buffer_t *buffer);
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HB_INTERNAL hb_bool_t
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hb_aat_layout_has_positioning (hb_face_t *face);
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HB_INTERNAL void
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hb_aat_layout_position (hb_ot_shape_plan_t *plan,
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hb_font_t *font,
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hb_buffer_t *buffer);
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HB_INTERNAL hb_bool_t
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hb_aat_layout_has_tracking (hb_face_t *face);
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HB_INTERNAL void
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hb_aat_layout_track (hb_ot_shape_plan_t *plan,
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hb_font_t *font,
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hb_buffer_t *buffer);
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#endif /* HB_AAT_LAYOUT_HH */
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