xref: /aosp_15_r20/external/skia/src/sfnt/SkOTTable_hmtx.h (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1 /*
2  * Copyright 2022 Google Inc.
3  *
4  * Use of this source code is governed by a BSD-style license that can be
5  * found in the LICENSE file.
6  */
7 
8 #ifndef SkOTTable_hmtx_DEFINED
9 #define SkOTTable_hmtx_DEFINED
10 
11 #include "src/base/SkEndian.h"
12 #include "src/sfnt/SkOTTableTypes.h"
13 
14 #pragma pack(push, 1)
15 
16 struct SkOTTableHorizontalMetrics {
17     static const SK_OT_CHAR TAG0 = 'h';
18     static const SK_OT_CHAR TAG1 = 'm';
19     static const SK_OT_CHAR TAG2 = 't';
20     static const SK_OT_CHAR TAG3 = 'x';
21     static const SK_OT_ULONG TAG = SkOTTableTAG<SkOTTableHorizontalMetrics>::value;
22 
23     struct FullMetric {
24         SK_OT_USHORT advanceWidth;
25         SK_OT_SHORT lsb;
26     } longHorMetric[1/*hhea::numberOfHMetrics*/];
27     struct ShortMetric {
28         SK_OT_SHORT lsb;
29     }; /* maxp::numGlyphs - hhea::numberOfHMetrics */
30 };
31 
32 #pragma pack(pop)
33 
34 #endif
35