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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_V0_DEFINED
      9 #define SkOTTable_OS_2_V0_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 struct SkOTTableOS2_V0 {
     20     SK_OT_USHORT version;
     21     //SkOTTableOS2_VA::VERSION and SkOTTableOS2_V0::VERSION are both 0.
     22     //The only way to differentiate these two versions is by the size of the table.
     23     static const SK_OT_USHORT VERSION = SkTEndian_SwapBE16(0);
     24 
     25     SK_OT_SHORT xAvgCharWidth;
     26     struct WeightClass {
     27         SK_TYPED_ENUM(Value, SK_OT_USHORT,
     28             ((Thin, SkTEndian_SwapBE16(100)))
     29             ((ExtraLight, SkTEndian_SwapBE16(200)))
     30             ((Light, SkTEndian_SwapBE16(300)))
     31             ((Normal, SkTEndian_SwapBE16(400)))
     32             ((Medium, SkTEndian_SwapBE16(500)))
     33             ((SemiBold, SkTEndian_SwapBE16(600)))
     34             ((Bold, SkTEndian_SwapBE16(700)))
     35             ((ExtraBold, SkTEndian_SwapBE16(800)))
     36             ((Black, SkTEndian_SwapBE16(900)))
     37             SK_SEQ_END,
     38         SK_SEQ_END)
     39         SK_OT_USHORT value;
     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 = 0;
     80             static const SK_OT_USHORT RestrictedMask = SkOTSetUSHORTBit<1>::value;
     81             static const SK_OT_USHORT PreviewPrintMask = SkOTSetUSHORTBit<2>::value;
     82             static const SK_OT_USHORT EditableMask = SkOTSetUSHORTBit<3>::value;
     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                 Regular,
    121                 Reserved07)
    122         } field;
    123         struct Raw {
    124             static const SK_OT_USHORT ItalicMask = SkOTSetUSHORTBit<0>::value;
    125             static const SK_OT_USHORT UnderscoreMask = SkOTSetUSHORTBit<1>::value;
    126             static const SK_OT_USHORT NegativeMask = SkOTSetUSHORTBit<2>::value;
    127             static const SK_OT_USHORT OutlinedMask = SkOTSetUSHORTBit<3>::value;
    128             static const SK_OT_USHORT StrikeoutMask = SkOTSetUSHORTBit<4>::value;
    129             static const SK_OT_USHORT BoldMask = SkOTSetUSHORTBit<5>::value;
    130             static const SK_OT_USHORT RegularMask = SkOTSetUSHORTBit<6>::value;
    131             SK_OT_USHORT value;
    132         } raw;
    133     } fsSelection;
    134     SK_OT_USHORT usFirstCharIndex;
    135     SK_OT_USHORT usLastCharIndex;
    136     //version0
    137     SK_OT_SHORT sTypoAscender;
    138     SK_OT_SHORT sTypoDescender;
    139     SK_OT_SHORT sTypoLineGap;
    140     SK_OT_USHORT usWinAscent;
    141     SK_OT_USHORT usWinDescent;
    142 };
    143 
    144 #pragma pack(pop)
    145 
    146 
    147 SK_COMPILE_ASSERT(sizeof(SkOTTableOS2_V0) == 78, sizeof_SkOTTableOS2_V0_not_78);
    148 
    149 #endif
    150