2008-01-23 22:14:38 +01:00
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/*
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2011-04-21 23:14:28 +02:00
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* Copyright © 2007,2008,2009 Red Hat, Inc.
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2012-05-11 01:25:34 +02:00
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* Copyright © 2010,2011,2012 Google, Inc.
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2008-01-23 22:14:38 +01:00
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*
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2010-04-22 06:11:43 +02:00
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* This is part of HarfBuzz, a text shaping library.
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2008-01-23 22:14:38 +01:00
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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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* Red Hat Author(s): Behdad Esfahbod
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2010-10-27 23:39:01 +02:00
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* Google Author(s): Behdad Esfahbod
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2008-01-23 22:14:38 +01:00
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*/
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2011-08-17 14:19:59 +02:00
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#ifndef HB_OT_LAYOUT_GDEF_TABLE_HH
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#define HB_OT_LAYOUT_GDEF_TABLE_HH
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2006-12-28 12:42:37 +01:00
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2018-08-26 07:36:36 +02:00
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#include "hb-ot-layout-common.hh"
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2006-12-28 12:42:37 +01:00
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2018-08-26 07:36:36 +02:00
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#include "hb-font.hh"
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2009-08-04 03:40:20 +02:00
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2010-07-23 21:11:18 +02:00
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2012-08-28 23:57:49 +02:00
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namespace OT {
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2008-01-23 21:50:38 +01:00
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2008-01-23 10:36:40 +01:00
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/*
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* Attachment List Table
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*/
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2007-07-06 17:29:21 +02:00
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2018-01-10 03:07:30 +01:00
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typedef ArrayOf<HBUINT16> AttachPoint; /* Array of contour point indices--in
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2008-01-23 10:36:40 +01:00
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* increasing numerical order */
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2008-01-23 06:20:48 +01:00
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2009-05-20 05:58:54 +02:00
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struct AttachList
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{
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2018-12-16 20:08:10 +01:00
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unsigned int get_attach_points (hb_codepoint_t glyph_id,
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unsigned int start_offset,
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unsigned int *point_count /* IN/OUT */,
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unsigned int *point_array /* OUT */) const
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2009-05-26 18:00:28 +02:00
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{
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2012-11-25 01:13:55 +01:00
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unsigned int index = (this+coverage).get_coverage (glyph_id);
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2009-05-26 18:40:10 +02:00
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if (index == NOT_COVERED)
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{
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2009-11-04 22:36:14 +01:00
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if (point_count)
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*point_count = 0;
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return 0;
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2009-05-26 18:40:10 +02:00
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}
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2009-11-04 22:36:14 +01:00
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2009-05-26 18:24:16 +02:00
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const AttachPoint &points = this+attachPoint[index];
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2018-11-25 03:36:57 +01:00
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if (point_count)
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{
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hb_array_t<const HBUINT16> array = points.sub_array (start_offset, point_count);
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unsigned int count = array.len;
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2009-11-04 22:36:14 +01:00
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for (unsigned int i = 0; i < count; i++)
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point_array[i] = array[i];
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}
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2009-05-26 18:40:10 +02:00
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2009-11-04 22:36:14 +01:00
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return points.len;
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2009-05-26 18:00:28 +02:00
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}
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2007-07-06 17:29:21 +02:00
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2018-12-16 20:08:10 +01:00
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bool sanitize (hb_sanitize_context_t *c) const
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2015-02-17 15:27:44 +01:00
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{
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2012-11-23 21:32:14 +01:00
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TRACE_SANITIZE (this);
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2015-09-29 15:57:02 +02:00
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return_trace (coverage.sanitize (c, this) && attachPoint.sanitize (c, this));
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2009-08-04 20:33:23 +02:00
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}
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2012-07-24 21:40:37 +02:00
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protected:
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2009-05-17 06:15:51 +02:00
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OffsetTo<Coverage>
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coverage; /* Offset to Coverage table -- from
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2007-07-06 17:29:21 +02:00
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* beginning of AttachList table */
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2009-05-17 06:54:25 +02:00
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OffsetArrayOf<AttachPoint>
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attachPoint; /* Array of AttachPoint tables
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* in Coverage Index order */
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2010-05-10 22:57:29 +02:00
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public:
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2010-05-11 01:01:17 +02:00
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DEFINE_SIZE_ARRAY (4, attachPoint);
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2007-07-06 17:29:21 +02:00
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};
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/*
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* Ligature Caret Table
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*/
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2009-05-20 05:58:54 +02:00
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struct CaretValueFormat1
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{
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2008-01-24 00:02:28 +01:00
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friend struct CaretValue;
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private:
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2018-12-16 20:08:10 +01:00
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hb_position_t get_caret_value (hb_font_t *font, hb_direction_t direction) const
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2009-05-20 05:58:54 +02:00
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{
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2011-05-11 06:04:15 +02:00
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return HB_DIRECTION_IS_HORIZONTAL (direction) ? font->em_scale_x (coordinate) : font->em_scale_y (coordinate);
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2007-07-06 17:29:21 +02:00
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}
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2008-01-23 06:20:48 +01:00
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2018-12-16 20:08:10 +01:00
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bool sanitize (hb_sanitize_context_t *c) const
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2015-02-17 15:27:44 +01:00
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{
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2012-11-23 21:32:14 +01:00
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TRACE_SANITIZE (this);
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2015-09-29 15:57:02 +02:00
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return_trace (c->check_struct (this));
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2009-08-04 20:33:23 +02:00
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}
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2012-07-24 21:40:37 +02:00
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protected:
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2018-01-10 03:07:30 +01:00
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HBUINT16 caretValueFormat; /* Format identifier--format = 1 */
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2018-02-26 10:08:00 +01:00
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FWORD coordinate; /* X or Y value, in design units */
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2010-05-10 22:57:29 +02:00
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public:
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DEFINE_SIZE_STATIC (4);
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2007-07-06 17:29:21 +02:00
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};
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2009-05-20 05:58:54 +02:00
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struct CaretValueFormat2
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{
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2008-01-24 00:02:28 +01:00
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friend struct CaretValue;
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private:
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2018-12-16 20:08:10 +01:00
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hb_position_t get_caret_value (hb_font_t *font, hb_direction_t direction, hb_codepoint_t glyph_id) const
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2009-05-20 05:58:54 +02:00
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{
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2010-04-29 09:59:06 +02:00
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hb_position_t x, y;
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2018-11-05 10:01:58 +01:00
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font->get_glyph_contour_point_for_origin (glyph_id, caretValuePoint, direction, &x, &y);
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return HB_DIRECTION_IS_HORIZONTAL (direction) ? x : y;
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2007-07-06 17:29:21 +02:00
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}
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2008-01-23 06:20:48 +01:00
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2018-12-16 20:08:10 +01:00
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bool sanitize (hb_sanitize_context_t *c) const
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2015-02-17 15:27:44 +01:00
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{
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2012-11-23 21:32:14 +01:00
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TRACE_SANITIZE (this);
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2015-09-29 15:57:02 +02:00
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return_trace (c->check_struct (this));
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2009-08-04 20:33:23 +02:00
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}
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2012-07-24 21:40:37 +02:00
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protected:
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2018-01-10 03:07:30 +01:00
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HBUINT16 caretValueFormat; /* Format identifier--format = 2 */
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HBUINT16 caretValuePoint; /* Contour point index on glyph */
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2010-05-10 22:57:29 +02:00
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public:
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DEFINE_SIZE_STATIC (4);
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2007-07-06 17:29:21 +02:00
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};
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2009-05-20 05:58:54 +02:00
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struct CaretValueFormat3
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{
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2008-01-24 00:02:28 +01:00
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friend struct CaretValue;
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2018-12-16 20:08:10 +01:00
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hb_position_t get_caret_value (hb_font_t *font, hb_direction_t direction,
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const VariationStore &var_store) const
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2009-05-20 05:58:54 +02:00
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{
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2010-10-27 18:30:46 +02:00
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return HB_DIRECTION_IS_HORIZONTAL (direction) ?
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2016-09-10 02:03:11 +02:00
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font->em_scale_x (coordinate) + (this+deviceTable).get_x_delta (font, var_store) :
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font->em_scale_y (coordinate) + (this+deviceTable).get_y_delta (font, var_store);
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2008-01-23 06:20:48 +01:00
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}
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2018-12-16 20:08:10 +01:00
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bool sanitize (hb_sanitize_context_t *c) const
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2015-02-17 15:27:44 +01:00
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{
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2012-11-23 21:32:14 +01:00
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TRACE_SANITIZE (this);
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2015-09-29 15:57:02 +02:00
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return_trace (c->check_struct (this) && deviceTable.sanitize (c, this));
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2009-08-04 20:33:23 +02:00
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}
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2012-07-24 21:40:37 +02:00
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protected:
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2018-01-10 03:07:30 +01:00
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HBUINT16 caretValueFormat; /* Format identifier--format = 3 */
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2018-02-26 10:08:00 +01:00
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FWORD coordinate; /* X or Y value, in design units */
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2009-05-20 06:00:09 +02:00
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OffsetTo<Device>
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deviceTable; /* Offset to Device table for X or Y
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2007-07-06 17:29:21 +02:00
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* value--from beginning of CaretValue
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* table */
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2010-05-10 22:57:29 +02:00
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public:
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DEFINE_SIZE_STATIC (6);
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2007-07-06 17:29:21 +02:00
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};
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2009-05-20 05:58:54 +02:00
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struct CaretValue
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{
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2018-12-16 20:08:10 +01:00
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hb_position_t get_caret_value (hb_font_t *font,
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2016-09-10 02:03:11 +02:00
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hb_direction_t direction,
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hb_codepoint_t glyph_id,
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2016-09-10 09:22:24 +02:00
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const VariationStore &var_store) const
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2009-05-20 05:58:54 +02:00
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{
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2009-05-18 01:47:54 +02:00
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switch (u.format) {
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2016-09-10 02:03:11 +02:00
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case 1: return u.format1.get_caret_value (font, direction);
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2011-05-11 06:02:02 +02:00
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case 2: return u.format2.get_caret_value (font, direction, glyph_id);
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2016-09-10 02:03:11 +02:00
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case 3: return u.format3.get_caret_value (font, direction, var_store);
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2007-07-06 17:29:21 +02:00
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default:return 0;
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}
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}
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2018-12-16 20:08:10 +01:00
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bool sanitize (hb_sanitize_context_t *c) const
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2015-02-17 15:27:44 +01:00
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{
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2012-11-23 21:32:14 +01:00
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TRACE_SANITIZE (this);
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2015-09-29 15:57:02 +02:00
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if (!u.format.sanitize (c)) return_trace (false);
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2009-08-04 20:33:23 +02:00
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switch (u.format) {
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2015-09-29 15:57:02 +02:00
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case 1: return_trace (u.format1.sanitize (c));
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case 2: return_trace (u.format2.sanitize (c));
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case 3: return_trace (u.format3.sanitize (c));
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default:return_trace (true);
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2009-08-04 20:33:23 +02:00
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}
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}
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2012-07-24 21:40:37 +02:00
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protected:
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2007-07-06 17:29:21 +02:00
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union {
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2018-01-10 03:07:30 +01:00
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HBUINT16 format; /* Format identifier */
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2010-05-11 01:45:41 +02:00
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CaretValueFormat1 format1;
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CaretValueFormat2 format2;
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CaretValueFormat3 format3;
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2007-07-06 17:29:21 +02:00
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} u;
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2010-05-11 00:08:46 +02:00
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public:
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2010-05-11 00:47:48 +02:00
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DEFINE_SIZE_UNION (2, format);
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2007-07-06 17:29:21 +02:00
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};
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2008-01-23 10:36:40 +01:00
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2009-05-20 05:58:54 +02:00
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struct LigGlyph
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{
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2018-12-16 20:08:10 +01:00
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unsigned int get_lig_carets (hb_font_t *font,
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hb_direction_t direction,
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hb_codepoint_t glyph_id,
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const VariationStore &var_store,
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unsigned int start_offset,
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unsigned int *caret_count /* IN/OUT */,
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hb_position_t *caret_array /* OUT */) const
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2009-05-26 18:40:10 +02:00
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{
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2018-11-25 03:36:57 +01:00
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if (caret_count)
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{
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hb_array_t <const OffsetTo<CaretValue> > array = carets.sub_array (start_offset, caret_count);
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unsigned int count = array.len;
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2009-11-04 22:36:14 +01:00
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for (unsigned int i = 0; i < count; i++)
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2016-09-10 02:03:11 +02:00
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caret_array[i] = (this+array[i]).get_caret_value (font, direction, glyph_id, var_store);
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2009-11-04 22:36:14 +01:00
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}
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2009-05-26 18:40:10 +02:00
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2009-11-04 22:36:14 +01:00
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return carets.len;
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2009-05-26 18:40:10 +02:00
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}
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2008-01-24 00:02:28 +01:00
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2018-12-16 20:08:10 +01:00
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bool sanitize (hb_sanitize_context_t *c) const
|
2015-02-17 15:27:44 +01:00
|
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{
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2012-11-23 21:32:14 +01:00
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TRACE_SANITIZE (this);
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2015-09-29 15:57:02 +02:00
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return_trace (carets.sanitize (c, this));
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2009-08-04 20:33:23 +02:00
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}
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2012-07-24 21:40:37 +02:00
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protected:
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2009-05-17 06:54:25 +02:00
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OffsetArrayOf<CaretValue>
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2009-08-15 00:32:56 +02:00
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carets; /* Offset array of CaretValue tables
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2009-05-23 00:54:24 +02:00
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* --from beginning of LigGlyph table
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* --in increasing coordinate order */
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2010-05-10 22:57:29 +02:00
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public:
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2010-05-11 01:01:17 +02:00
|
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DEFINE_SIZE_ARRAY (2, carets);
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2008-01-23 10:36:40 +01:00
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};
|
2008-01-23 07:38:10 +01:00
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2009-05-20 05:58:54 +02:00
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struct LigCaretList
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{
|
2018-12-16 20:08:10 +01:00
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unsigned int get_lig_carets (hb_font_t *font,
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hb_direction_t direction,
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hb_codepoint_t glyph_id,
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const VariationStore &var_store,
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unsigned int start_offset,
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unsigned int *caret_count /* IN/OUT */,
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hb_position_t *caret_array /* OUT */) const
|
2009-05-26 18:00:28 +02:00
|
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|
{
|
2012-11-25 01:13:55 +01:00
|
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|
unsigned int index = (this+coverage).get_coverage (glyph_id);
|
2009-05-26 18:40:10 +02:00
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|
if (index == NOT_COVERED)
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{
|
2009-11-04 22:36:14 +01:00
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if (caret_count)
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*caret_count = 0;
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return 0;
|
2009-05-26 18:40:10 +02:00
|
|
|
}
|
|
|
|
const LigGlyph &lig_glyph = this+ligGlyph[index];
|
2016-09-10 02:03:11 +02:00
|
|
|
return lig_glyph.get_lig_carets (font, direction, glyph_id, var_store, start_offset, caret_count, caret_array);
|
2009-05-26 18:00:28 +02:00
|
|
|
}
|
2008-01-23 21:50:38 +01:00
|
|
|
|
2018-12-16 20:08:10 +01:00
|
|
|
bool sanitize (hb_sanitize_context_t *c) const
|
2015-02-17 15:27:44 +01:00
|
|
|
{
|
2012-11-23 21:32:14 +01:00
|
|
|
TRACE_SANITIZE (this);
|
2015-09-29 15:57:02 +02:00
|
|
|
return_trace (coverage.sanitize (c, this) && ligGlyph.sanitize (c, this));
|
2009-08-04 20:33:23 +02:00
|
|
|
}
|
|
|
|
|
2012-07-24 21:40:37 +02:00
|
|
|
protected:
|
2009-05-17 06:15:51 +02:00
|
|
|
OffsetTo<Coverage>
|
|
|
|
coverage; /* Offset to Coverage table--from
|
2008-01-23 21:50:38 +01:00
|
|
|
* beginning of LigCaretList table */
|
2009-05-17 06:54:25 +02:00
|
|
|
OffsetArrayOf<LigGlyph>
|
|
|
|
ligGlyph; /* Array of LigGlyph tables
|
|
|
|
* in Coverage Index order */
|
2010-05-10 22:57:29 +02:00
|
|
|
public:
|
2010-05-11 01:01:17 +02:00
|
|
|
DEFINE_SIZE_ARRAY (4, ligGlyph);
|
2008-01-23 21:50:38 +01:00
|
|
|
};
|
|
|
|
|
2009-05-26 21:38:53 +02:00
|
|
|
|
|
|
|
struct MarkGlyphSetsFormat1
|
|
|
|
{
|
2018-12-16 20:08:10 +01:00
|
|
|
bool covers (unsigned int set_index, hb_codepoint_t glyph_id) const
|
2009-05-26 21:38:53 +02:00
|
|
|
{ return (this+coverage[set_index]).get_coverage (glyph_id) != NOT_COVERED; }
|
|
|
|
|
2018-12-16 20:08:10 +01:00
|
|
|
bool sanitize (hb_sanitize_context_t *c) const
|
2015-02-17 15:27:44 +01:00
|
|
|
{
|
2012-11-23 21:32:14 +01:00
|
|
|
TRACE_SANITIZE (this);
|
2015-09-29 15:57:02 +02:00
|
|
|
return_trace (coverage.sanitize (c, this));
|
2009-08-04 20:33:23 +02:00
|
|
|
}
|
|
|
|
|
2012-07-24 21:40:37 +02:00
|
|
|
protected:
|
2018-01-10 03:07:30 +01:00
|
|
|
HBUINT16 format; /* Format identifier--format = 1 */
|
2017-01-23 05:28:56 +01:00
|
|
|
ArrayOf<LOffsetTo<Coverage> >
|
2009-05-26 21:38:53 +02:00
|
|
|
coverage; /* Array of long offsets to mark set
|
|
|
|
* coverage tables */
|
2010-05-10 22:57:29 +02:00
|
|
|
public:
|
2010-05-11 01:01:17 +02:00
|
|
|
DEFINE_SIZE_ARRAY (4, coverage);
|
2009-05-26 21:38:53 +02:00
|
|
|
};
|
|
|
|
|
|
|
|
struct MarkGlyphSets
|
|
|
|
{
|
2018-12-16 20:08:10 +01:00
|
|
|
bool covers (unsigned int set_index, hb_codepoint_t glyph_id) const
|
2009-05-26 21:38:53 +02:00
|
|
|
{
|
|
|
|
switch (u.format) {
|
2010-05-11 01:45:41 +02:00
|
|
|
case 1: return u.format1.covers (set_index, glyph_id);
|
2009-05-26 21:38:53 +02:00
|
|
|
default:return false;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2018-12-16 20:08:10 +01:00
|
|
|
bool sanitize (hb_sanitize_context_t *c) const
|
2015-02-17 15:27:44 +01:00
|
|
|
{
|
2012-11-23 21:32:14 +01:00
|
|
|
TRACE_SANITIZE (this);
|
2015-09-29 15:57:02 +02:00
|
|
|
if (!u.format.sanitize (c)) return_trace (false);
|
2009-08-04 20:33:23 +02:00
|
|
|
switch (u.format) {
|
2015-09-29 15:57:02 +02:00
|
|
|
case 1: return_trace (u.format1.sanitize (c));
|
|
|
|
default:return_trace (true);
|
2009-08-04 20:33:23 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-07-24 21:40:37 +02:00
|
|
|
protected:
|
2009-05-26 21:38:53 +02:00
|
|
|
union {
|
2018-01-10 03:07:30 +01:00
|
|
|
HBUINT16 format; /* Format identifier */
|
2010-05-11 01:45:41 +02:00
|
|
|
MarkGlyphSetsFormat1 format1;
|
2009-05-26 21:38:53 +02:00
|
|
|
} u;
|
2010-05-11 00:08:46 +02:00
|
|
|
public:
|
2010-05-11 00:47:48 +02:00
|
|
|
DEFINE_SIZE_UNION (2, format);
|
2009-05-26 21:38:53 +02:00
|
|
|
};
|
|
|
|
|
|
|
|
|
2008-01-23 10:36:40 +01:00
|
|
|
/*
|
2018-04-12 11:08:19 +02:00
|
|
|
* GDEF -- Glyph Definition
|
|
|
|
* https://docs.microsoft.com/en-us/typography/opentype/spec/gdef
|
2008-01-23 10:36:40 +01:00
|
|
|
*/
|
2008-01-23 07:38:10 +01:00
|
|
|
|
2018-08-26 10:25:54 +02:00
|
|
|
|
2009-05-20 05:58:54 +02:00
|
|
|
struct GDEF
|
|
|
|
{
|
2018-11-29 21:04:34 +01:00
|
|
|
enum { tableTag = HB_OT_TAG_GDEF };
|
2008-01-23 08:01:37 +01:00
|
|
|
|
2012-04-12 19:23:59 +02:00
|
|
|
enum GlyphClasses {
|
2009-05-19 00:44:54 +02:00
|
|
|
UnclassifiedGlyph = 0,
|
|
|
|
BaseGlyph = 1,
|
|
|
|
LigatureGlyph = 2,
|
|
|
|
MarkGlyph = 3,
|
2009-08-18 22:41:59 +02:00
|
|
|
ComponentGlyph = 4
|
2009-05-19 00:44:54 +02:00
|
|
|
};
|
2008-01-24 12:03:45 +01:00
|
|
|
|
2018-12-17 19:01:01 +01:00
|
|
|
bool has_data () const { return version.to_int (); }
|
|
|
|
bool has_glyph_classes () const { return glyphClassDef != 0; }
|
2018-12-16 20:08:10 +01:00
|
|
|
unsigned int get_glyph_class (hb_codepoint_t glyph) const
|
2009-05-26 18:24:16 +02:00
|
|
|
{ return (this+glyphClassDef).get_class (glyph); }
|
2018-12-16 20:08:10 +01:00
|
|
|
void get_glyphs_in_class (unsigned int klass, hb_set_t *glyphs) const
|
2017-12-16 17:07:37 +01:00
|
|
|
{ (this+glyphClassDef).add_class (glyphs, klass); }
|
2008-01-23 07:38:10 +01:00
|
|
|
|
2018-12-17 19:01:01 +01:00
|
|
|
bool has_mark_attachment_types () const { return markAttachClassDef != 0; }
|
2018-12-16 20:08:10 +01:00
|
|
|
unsigned int get_mark_attachment_type (hb_codepoint_t glyph) const
|
2009-05-26 18:24:16 +02:00
|
|
|
{ return (this+markAttachClassDef).get_class (glyph); }
|
|
|
|
|
2018-12-17 19:01:01 +01:00
|
|
|
bool has_attach_points () const { return attachList != 0; }
|
2018-12-16 20:08:10 +01:00
|
|
|
unsigned int get_attach_points (hb_codepoint_t glyph_id,
|
|
|
|
unsigned int start_offset,
|
|
|
|
unsigned int *point_count /* IN/OUT */,
|
|
|
|
unsigned int *point_array /* OUT */) const
|
2009-11-04 22:36:14 +01:00
|
|
|
{ return (this+attachList).get_attach_points (glyph_id, start_offset, point_count, point_array); }
|
2008-01-23 07:38:10 +01:00
|
|
|
|
2018-12-17 19:01:01 +01:00
|
|
|
bool has_lig_carets () const { return ligCaretList != 0; }
|
2018-12-16 20:08:10 +01:00
|
|
|
unsigned int get_lig_carets (hb_font_t *font,
|
|
|
|
hb_direction_t direction,
|
|
|
|
hb_codepoint_t glyph_id,
|
|
|
|
unsigned int start_offset,
|
|
|
|
unsigned int *caret_count /* IN/OUT */,
|
|
|
|
hb_position_t *caret_array /* OUT */) const
|
2016-09-10 02:03:11 +02:00
|
|
|
{ return (this+ligCaretList).get_lig_carets (font,
|
|
|
|
direction, glyph_id, get_var_store(),
|
|
|
|
start_offset, caret_count, caret_array); }
|
2008-01-23 07:38:10 +01:00
|
|
|
|
2018-12-17 19:01:01 +01:00
|
|
|
bool has_mark_sets () const { return version.to_int () >= 0x00010002u && markGlyphSetsDef != 0; }
|
2018-12-16 20:08:10 +01:00
|
|
|
bool mark_set_covers (unsigned int set_index, hb_codepoint_t glyph_id) const
|
2016-09-10 01:05:17 +02:00
|
|
|
{ return version.to_int () >= 0x00010002u && (this+markGlyphSetsDef).covers (set_index, glyph_id); }
|
2009-05-26 21:38:53 +02:00
|
|
|
|
2018-12-17 19:01:01 +01:00
|
|
|
bool has_var_store () const { return version.to_int () >= 0x00010003u && varStore != 0; }
|
|
|
|
const VariationStore &get_var_store () const
|
2016-09-10 09:22:24 +02:00
|
|
|
{ return version.to_int () >= 0x00010003u ? this+varStore : Null(VariationStore); }
|
2016-09-10 01:22:45 +02:00
|
|
|
|
2010-10-28 04:37:59 +02:00
|
|
|
/* glyph_props is a 16-bit integer where the lower 8-bit have bits representing
|
2018-10-19 17:49:21 +02:00
|
|
|
* glyph class and other bits, and high 8-bit the mark attachment type (if any).
|
2010-10-28 04:37:59 +02:00
|
|
|
* Not to be confused with lookup_props which is very similar. */
|
2018-12-16 20:08:10 +01:00
|
|
|
unsigned int get_glyph_props (hb_codepoint_t glyph) const
|
2010-10-28 04:37:59 +02:00
|
|
|
{
|
|
|
|
unsigned int klass = get_glyph_class (glyph);
|
|
|
|
|
2018-09-16 19:33:48 +02:00
|
|
|
static_assert (((unsigned int) HB_OT_LAYOUT_GLYPH_PROPS_BASE_GLYPH == (unsigned int) LookupFlag::IgnoreBaseGlyphs), "");
|
|
|
|
static_assert (((unsigned int) HB_OT_LAYOUT_GLYPH_PROPS_LIGATURE == (unsigned int) LookupFlag::IgnoreLigatures), "");
|
|
|
|
static_assert (((unsigned int) HB_OT_LAYOUT_GLYPH_PROPS_MARK == (unsigned int) LookupFlag::IgnoreMarks), "");
|
2013-10-17 20:47:33 +02:00
|
|
|
|
2010-10-28 04:37:59 +02:00
|
|
|
switch (klass) {
|
2013-10-17 20:47:33 +02:00
|
|
|
default: return 0;
|
2012-11-16 22:34:29 +01:00
|
|
|
case BaseGlyph: return HB_OT_LAYOUT_GLYPH_PROPS_BASE_GLYPH;
|
|
|
|
case LigatureGlyph: return HB_OT_LAYOUT_GLYPH_PROPS_LIGATURE;
|
2010-10-28 04:37:59 +02:00
|
|
|
case MarkGlyph:
|
|
|
|
klass = get_mark_attachment_type (glyph);
|
2012-11-16 22:34:29 +01:00
|
|
|
return HB_OT_LAYOUT_GLYPH_PROPS_MARK | (klass << 8);
|
2010-10-28 04:37:59 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2018-11-25 21:59:18 +01:00
|
|
|
HB_INTERNAL bool is_blacklisted (hb_blob_t *blob,
|
|
|
|
hb_face_t *face) const;
|
|
|
|
|
2018-08-26 10:25:54 +02:00
|
|
|
struct accelerator_t
|
|
|
|
{
|
2018-12-16 20:08:10 +01:00
|
|
|
void init (hb_face_t *face)
|
2018-11-25 22:38:36 +01:00
|
|
|
{
|
|
|
|
this->table = hb_sanitize_context_t().reference_table<GDEF> (face);
|
|
|
|
if (unlikely (this->table->is_blacklisted (this->table.get_blob (), face)))
|
|
|
|
{
|
|
|
|
hb_blob_destroy (this->table.get_blob ());
|
|
|
|
this->table = hb_blob_get_empty ();
|
|
|
|
}
|
|
|
|
}
|
2018-08-26 10:25:54 +02:00
|
|
|
|
2018-12-17 19:01:01 +01:00
|
|
|
void fini () { this->table.destroy (); }
|
2018-08-26 10:25:54 +02:00
|
|
|
|
2018-11-11 05:52:15 +01:00
|
|
|
hb_blob_ptr_t<GDEF> table;
|
2018-08-26 10:25:54 +02:00
|
|
|
};
|
2010-10-28 04:37:59 +02:00
|
|
|
|
2018-12-17 19:01:01 +01:00
|
|
|
unsigned int get_size () const
|
2018-09-02 03:34:50 +02:00
|
|
|
{
|
|
|
|
return min_size +
|
|
|
|
(version.to_int () >= 0x00010002u ? markGlyphSetsDef.static_size : 0) +
|
|
|
|
(version.to_int () >= 0x00010003u ? varStore.static_size : 0);
|
|
|
|
}
|
|
|
|
|
2018-12-16 20:08:10 +01:00
|
|
|
bool subset (hb_subset_context_t *c) const
|
2018-12-14 00:10:48 +01:00
|
|
|
{
|
|
|
|
TRACE_SUBSET (this);
|
|
|
|
struct GDEF *out = c->serializer->embed (*this);
|
|
|
|
if (unlikely (!out)) return_trace (false);
|
|
|
|
|
|
|
|
out->glyphClassDef.serialize_subset (c, this+glyphClassDef, out);
|
|
|
|
out->attachList.set (0);//TODO(subset) serialize_subset (c, this+attachList, out);
|
|
|
|
out->ligCaretList.set (0);//TODO(subset) serialize_subset (c, this+ligCaretList, out);
|
|
|
|
out->markAttachClassDef.serialize_subset (c, this+markAttachClassDef, out);
|
|
|
|
|
|
|
|
if (version.to_int () >= 0x00010002u)
|
|
|
|
out->markGlyphSetsDef.set (0);// TODO(subset) serialize_subset (c, this+markGlyphSetsDef, out);
|
|
|
|
|
|
|
|
if (version.to_int () >= 0x00010003u)
|
|
|
|
out->varStore.set (0);// TODO(subset) serialize_subset (c, this+varStore, out);
|
|
|
|
|
|
|
|
return_trace (true);
|
|
|
|
}
|
|
|
|
|
2018-12-16 20:08:10 +01:00
|
|
|
bool sanitize (hb_sanitize_context_t *c) const
|
2018-09-02 03:34:50 +02:00
|
|
|
{
|
|
|
|
TRACE_SANITIZE (this);
|
|
|
|
return_trace (version.sanitize (c) &&
|
|
|
|
likely (version.major == 1) &&
|
|
|
|
glyphClassDef.sanitize (c, this) &&
|
|
|
|
attachList.sanitize (c, this) &&
|
|
|
|
ligCaretList.sanitize (c, this) &&
|
|
|
|
markAttachClassDef.sanitize (c, this) &&
|
|
|
|
(version.to_int () < 0x00010002u || markGlyphSetsDef.sanitize (c, this)) &&
|
|
|
|
(version.to_int () < 0x00010003u || varStore.sanitize (c, this)));
|
|
|
|
}
|
|
|
|
|
2012-07-24 21:40:37 +02:00
|
|
|
protected:
|
2016-02-22 03:44:45 +01:00
|
|
|
FixedVersion<>version; /* Version of the GDEF table--currently
|
2016-09-10 01:22:45 +02:00
|
|
|
* 0x00010003u */
|
2009-05-17 06:09:20 +02:00
|
|
|
OffsetTo<ClassDef>
|
|
|
|
glyphClassDef; /* Offset to class definition table
|
2008-01-23 07:38:10 +01:00
|
|
|
* for glyph type--from beginning of
|
2008-01-23 10:36:40 +01:00
|
|
|
* GDEF header (may be Null) */
|
2009-05-17 06:09:20 +02:00
|
|
|
OffsetTo<AttachList>
|
|
|
|
attachList; /* Offset to list of glyphs with
|
2008-01-23 07:38:10 +01:00
|
|
|
* attachment points--from beginning
|
2008-01-23 10:36:40 +01:00
|
|
|
* of GDEF header (may be Null) */
|
2009-05-17 06:09:20 +02:00
|
|
|
OffsetTo<LigCaretList>
|
|
|
|
ligCaretList; /* Offset to list of positioning points
|
2008-01-23 07:38:10 +01:00
|
|
|
* for ligature carets--from beginning
|
2008-01-23 10:36:40 +01:00
|
|
|
* of GDEF header (may be Null) */
|
2009-05-17 06:09:20 +02:00
|
|
|
OffsetTo<ClassDef>
|
|
|
|
markAttachClassDef; /* Offset to class definition table for
|
2008-01-23 07:38:10 +01:00
|
|
|
* mark attachment type--from beginning
|
2008-01-23 10:36:40 +01:00
|
|
|
* of GDEF header (may be Null) */
|
2009-05-26 21:38:53 +02:00
|
|
|
OffsetTo<MarkGlyphSets>
|
2016-09-10 01:05:17 +02:00
|
|
|
markGlyphSetsDef; /* Offset to the table of mark set
|
2009-05-26 21:38:53 +02:00
|
|
|
* definitions--from beginning of GDEF
|
|
|
|
* header (may be NULL). Introduced
|
2016-09-10 01:22:45 +02:00
|
|
|
* in version 0x00010002. */
|
2017-01-23 05:28:56 +01:00
|
|
|
LOffsetTo<VariationStore>
|
2016-09-10 01:22:45 +02:00
|
|
|
varStore; /* Offset to the table of Item Variation
|
|
|
|
* Store--from beginning of GDEF
|
|
|
|
* header (may be NULL). Introduced
|
|
|
|
* in version 0x00010003. */
|
2010-05-10 22:38:32 +02:00
|
|
|
public:
|
2016-09-10 01:05:17 +02:00
|
|
|
DEFINE_SIZE_MIN (12);
|
2008-01-23 07:38:10 +01:00
|
|
|
};
|
|
|
|
|
2018-08-27 00:11:24 +02:00
|
|
|
struct GDEF_accelerator_t : GDEF::accelerator_t {};
|
2009-05-18 02:28:01 +02:00
|
|
|
|
2012-11-17 03:49:54 +01:00
|
|
|
} /* namespace OT */
|
2012-08-28 23:57:49 +02:00
|
|
|
|
2010-07-23 21:11:18 +02:00
|
|
|
|
2011-08-17 14:19:59 +02:00
|
|
|
#endif /* HB_OT_LAYOUT_GDEF_TABLE_HH */
|