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      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_OS_2_VA_DEFINED
      9 #define SkOTTable_OS_2_VA_DEFINED
     10 
     11 #include "SkEndian.h"
     12 #include "SkIBMFamilyClass.h"
     13 #include "SkOTTableTypes.h"
     14 #include "SkPanose.h"
     15 #include "SkTypedEnum.h"
     16 
     17 #pragma pack(push, 1)
     18 
     19 //Original V0 TT
     20 struct SkOTTableOS2_VA {
     21     SK_OT_USHORT version;
     22     //SkOTTableOS2_VA::VERSION and SkOTTableOS2_V0::VERSION are both 0.
     23     //The only way to differentiate these two versions is by the size of the table.
     24     static const SK_OT_USHORT VERSION = SkTEndian_SwapBE16(0);
     25 
     26     SK_OT_SHORT xAvgCharWidth;
     27     struct WeightClass {
     28         SK_TYPED_ENUM(Value, SK_OT_USHORT,
     29             ((UltraLight, SkTEndian_SwapBE16(1)))
     30             ((ExtraLight, SkTEndian_SwapBE16(2)))
     31             ((Light, SkTEndian_SwapBE16(3)))
     32             ((SemiLight, SkTEndian_SwapBE16(4)))
     33             ((Medium, SkTEndian_SwapBE16(5)))
     34             ((SemiBold, SkTEndian_SwapBE16(6)))
     35             ((Bold, SkTEndian_SwapBE16(7)))
     36             ((ExtraBold, SkTEndian_SwapBE16(8)))
     37             ((UltraBold, SkTEndian_SwapBE16(9)))
     38             SK_SEQ_END,
     39         (value)SK_SEQ_END)
     40     } usWeightClass;
     41     struct WidthClass {
     42         SK_TYPED_ENUM(Value, SK_OT_USHORT,
     43             ((UltraCondensed, SkTEndian_SwapBE16(1)))
     44             ((ExtraCondensed, SkTEndian_SwapBE16(2)))
     45             ((Condensed, SkTEndian_SwapBE16(3)))
     46             ((SemiCondensed, SkTEndian_SwapBE16(4)))
     47             ((Medium, SkTEndian_SwapBE16(5)))
     48             ((SemiExpanded, SkTEndian_SwapBE16(6)))
     49             ((Expanded, SkTEndian_SwapBE16(7)))
     50             ((ExtraExpanded, SkTEndian_SwapBE16(8)))
     51             ((UltraExpanded, SkTEndian_SwapBE16(9)))
     52             SK_SEQ_END,
     53         (value)SK_SEQ_END)
     54     } usWidthClass;
     55     union Type {
     56         struct Field {
     57             //8-15
     58             SK_OT_BYTE_BITFIELD(
     59                 Reserved08,
     60                 Reserved09,
     61                 Reserved10,
     62                 Reserved11,
     63                 Reserved12,
     64                 Reserved13,
     65                 Reserved14,
     66                 Reserved15)
     67             //0-7
     68             SK_OT_BYTE_BITFIELD(
     69                 Reserved00,
     70                 Restricted,
     71                 PreviewPrint,
     72                 Editable,
     73                 Reserved04,
     74                 Reserved05,
     75                 Reserved06,
     76                 Reserved07)
     77         } field;
     78         struct Raw {
     79             static const SK_OT_USHORT Installable = SkTEndian_SwapBE16(0);
     80             static const SK_OT_USHORT RestrictedMask = SkTEndian_SwapBE16(1 << 1);
     81             static const SK_OT_USHORT PreviewPrintMask = SkTEndian_SwapBE16(1 << 2);
     82             static const SK_OT_USHORT EditableMask = SkTEndian_SwapBE16(1 << 3);
     83             SK_OT_USHORT value;
     84         } raw;
     85     } fsType;
     86     SK_OT_SHORT ySubscriptXSize;
     87     SK_OT_SHORT ySubscriptYSize;
     88     SK_OT_SHORT ySubscriptXOffset;
     89     SK_OT_SHORT ySubscriptYOffset;
     90     SK_OT_SHORT ySuperscriptXSize;
     91     SK_OT_SHORT ySuperscriptYSize;
     92     SK_OT_SHORT ySuperscriptXOffset;
     93     SK_OT_SHORT ySuperscriptYOffset;
     94     SK_OT_SHORT yStrikeoutSize;
     95     SK_OT_SHORT yStrikeoutPosition;
     96     SkIBMFamilyClass sFamilyClass;
     97     SkPanose panose;
     98     SK_OT_ULONG ulCharRange[4];
     99     SK_OT_CHAR achVendID[4];
    100     union Selection {
    101         struct Field {
    102             //8-15
    103             SK_OT_BYTE_BITFIELD(
    104                 Reserved08,
    105                 Reserved09,
    106                 Reserved10,
    107                 Reserved11,
    108                 Reserved12,
    109                 Reserved13,
    110                 Reserved14,
    111                 Reserved15)
    112             //0-7
    113             SK_OT_BYTE_BITFIELD(
    114                 Italic,
    115                 Underscore,
    116                 Negative,
    117                 Outlined,
    118                 Strikeout,
    119                 Bold,
    120                 Reserved06,
    121                 Reserved07)
    122         } field;
    123         struct Raw {
    124             static const SK_OT_USHORT ItalicMask = SkTEndian_SwapBE16(1 << 0);
    125             static const SK_OT_USHORT UnderscoreMask = SkTEndian_SwapBE16(1 << 1);
    126             static const SK_OT_USHORT NegativeMask = SkTEndian_SwapBE16(1 << 2);
    127             static const SK_OT_USHORT OutlinedMask = SkTEndian_SwapBE16(1 << 3);
    128             static const SK_OT_USHORT StrikeoutMask = SkTEndian_SwapBE16(1 << 4);
    129             static const SK_OT_USHORT BoldMask = SkTEndian_SwapBE16(1 << 5);
    130             SK_OT_USHORT value;
    131         } raw;
    132     } fsSelection;
    133     SK_OT_USHORT usFirstCharIndex;
    134     SK_OT_USHORT usLastCharIndex;
    135 };
    136 
    137 #pragma pack(pop)
    138 
    139 
    140 SK_COMPILE_ASSERT(sizeof(SkOTTableOS2_VA) == 68, sizeof_SkOTTableOS2_VA_not_68);
    141 
    142 #endif
    143