| /* |
| * Copyright © 2018 Google, Inc. |
| * Copyright © 2018 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. |
| * |
| * Google Author(s): Behdad Esfahbod |
| */ |
| |
| #ifndef HB_AAT_LAYOUT_TRAK_TABLE_HH |
| #define HB_AAT_LAYOUT_TRAK_TABLE_HH |
| |
| #include "hb-aat-layout-common-private.hh" |
| #include "hb-open-type-private.hh" |
| |
| #define HB_AAT_TAG_trak HB_TAG('t','r','a','k') |
| |
| |
| namespace AAT { |
| |
| |
| struct TrackTableEntry |
| { |
| inline bool sanitize (hb_sanitize_context_t *c) const |
| { |
| TRACE_SANITIZE (this); |
| return_trace (c->check_struct (this)); |
| } |
| |
| protected: |
| Fixed track; /* Track value for this record. */ |
| HBUINT16 trackNameID; /* The 'name' table index for this track */ |
| OffsetTo<UnsizedArrayOf<Fixed> > |
| values; /* Offset from start of tracking table to |
| * per-size tracking values for this track. */ |
| |
| public: |
| DEFINE_SIZE_STATIC (8); |
| }; |
| |
| struct TrackData |
| { |
| inline bool sanitize (hb_sanitize_context_t *c) const |
| { |
| TRACE_SANITIZE (this); |
| return_trace (c->check_struct (this)); |
| } |
| |
| protected: |
| HBUINT16 nTracks; /* Number of separate tracks included in this table. */ |
| HBUINT16 nSizes; /* Number of point sizes included in this table. */ |
| LOffsetTo<UnsizedArrayOf<Fixed> > |
| sizeTable; |
| TrackTableEntry trackTable[VAR];/* Array[nSizes] of size values. */ |
| |
| public: |
| DEFINE_SIZE_ARRAY (8, trackTable); |
| }; |
| |
| struct trak |
| { |
| static const hb_tag_t tableTag = HB_AAT_TAG_trak; |
| |
| inline bool sanitize (hb_sanitize_context_t *c) const |
| { |
| TRACE_SANITIZE (this); |
| return_trace (c->check_struct (this)); |
| } |
| |
| protected: |
| FixedVersion<> version; /* Version of the tracking table--currently |
| * 0x00010000u for version 1.0. */ |
| HBUINT16 format; /* Format of the tracking table */ |
| OffsetTo<TrackData> horizOffset; /* TrackData for horizontal text */ |
| OffsetTo<TrackData> vertOffset; /* TrackData for vertical text */ |
| HBUINT16 reserved; /* Reserved. Set to 0. */ |
| |
| public: |
| DEFINE_SIZE_MIN (12); |
| }; |
| |
| } /* namespace AAT */ |
| |
| |
| #endif /* HB_AAT_LAYOUT_TRAK_TABLE_HH */ |