1 /* 2 * Copyright 2012 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_hhea_DEFINED 9 #define SkOTTable_hhea_DEFINED 10 11 #include "SkEndian.h" 12 #include "SkOTTableTypes.h" 13 14 #pragma pack(push, 1) 15 16 struct SkOTTableHorizontalHeader { 17 static const SK_OT_CHAR TAG0 = 'h'; 18 static const SK_OT_CHAR TAG1 = 'h'; 19 static const SK_OT_CHAR TAG2 = 'e'; 20 static const SK_OT_CHAR TAG3 = 'a'; 21 static const SK_OT_ULONG TAG = SkOTTableTAG<SkOTTableHorizontalHeader>::value; 22 23 SK_OT_Fixed version; 24 static const SK_OT_Fixed version1 = SkTEndian_SwapBE32(0x00010000); 25 SK_OT_FWORD Ascender; 26 SK_OT_FWORD Descender; 27 SK_OT_FWORD LineGap; 28 SK_OT_UFWORD advanceWidthMax; 29 SK_OT_FWORD minLeftSideBearing; 30 SK_OT_FWORD minRightSideBearing; 31 SK_OT_FWORD xMaxExtent; 32 SK_OT_SHORT caretSlopeRise; 33 SK_OT_SHORT caretSlopeRun; 34 SK_OT_SHORT caretOffset; 35 SK_OT_SHORT Reserved24; 36 SK_OT_SHORT Reserved26; 37 SK_OT_SHORT Reserved28; 38 SK_OT_SHORT Reserved30; 39 struct MetricDataFormat { 40 enum Value : SK_OT_SHORT { 41 CurrentFormat = SkTEndian_SwapBE16(0), 42 } value; 43 } metricDataFormat; 44 SK_OT_USHORT numberOfHMetrics; 45 }; 46 47 #pragma pack(pop) 48 49 50 #include <stddef.h> 51 static_assert(offsetof(SkOTTableHorizontalHeader, numberOfHMetrics) == 34, "SkOTTableHorizontalHeader_numberOfHMetrics_not_at_34"); 52 static_assert(sizeof(SkOTTableHorizontalHeader) == 36, "sizeof_SkOTTableHorizontalHeader_not_36"); 53 54 #endif 55