109 lines
3.0 KiB
C++
109 lines
3.0 KiB
C++
/*
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* Copyright © 2010 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_OT_SHAPE_HH
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#define HB_OT_SHAPE_HH
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#include "hb.hh"
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#include "hb-ot-map.hh"
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#include "hb-aat-map.hh"
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#include "hb-shape-plan.hh"
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struct hb_ot_shape_plan_t
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{
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hb_segment_properties_t props;
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const struct hb_ot_complex_shaper_t *shaper;
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hb_ot_map_t map;
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hb_aat_map_t aat_map;
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const void *data;
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hb_mask_t frac_mask, numr_mask, dnom_mask;
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hb_mask_t rtlm_mask;
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hb_mask_t kern_mask;
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hb_mask_t trak_mask;
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bool requested_kerning : 1;
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bool requested_tracking : 1;
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bool has_frac : 1;
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bool has_gpos_mark : 1;
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bool fallback_glyph_classes : 1;
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bool fallback_kerning : 1;
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bool fallback_mark_positioning : 1;
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bool apply_gpos : 1;
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bool apply_kerx : 1;
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bool apply_kern : 1;
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bool apply_morx : 1;
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bool apply_trak : 1;
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inline void collect_lookups (hb_tag_t table_tag, hb_set_t *lookups) const
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{
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unsigned int table_index;
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switch (table_tag) {
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case HB_OT_TAG_GSUB: table_index = 0; break;
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case HB_OT_TAG_GPOS: table_index = 1; break;
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default: return;
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}
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map.collect_lookups (table_index, lookups);
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}
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inline void substitute (hb_font_t *font, hb_buffer_t *buffer) const { map.substitute (this, font, buffer); }
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inline void position (hb_font_t *font, hb_buffer_t *buffer) const { map.position (this, font, buffer); }
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void init (void)
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{
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memset (this, 0, sizeof (*this));
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map.init ();
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aat_map.init ();
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}
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void fini (void) {
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map.fini ();
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aat_map.fini ();
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}
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};
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struct hb_ot_shape_planner_t
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{
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/* In the order that they are filled in. */
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hb_face_t *face;
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hb_segment_properties_t props;
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hb_ot_map_builder_t map;
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hb_aat_map_builder_t aat_map;
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bool apply_morx : 1;
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const struct hb_ot_complex_shaper_t *shaper;
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HB_INTERNAL hb_ot_shape_planner_t (const hb_shape_plan_t *master_plan);
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HB_INTERNAL void compile (hb_ot_shape_plan_t &plan,
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const int *coords,
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unsigned int num_coords);
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};
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#endif /* HB_OT_SHAPE_HH */
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