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      1 /*
      2  * Copyright 2013 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 SkTTCFHeader_DEFINED
      9 #define SkTTCFHeader_DEFINED
     10 
     11 #include "SkOTTableTypes.h"
     12 
     13 #pragma pack(push, 1)
     14 
     15 struct SkTTCFHeader {
     16     SK_SFNT_ULONG ttcTag;
     17     static const SK_OT_CHAR TAG0 = 't';
     18     static const SK_OT_CHAR TAG1 = 't';
     19     static const SK_OT_CHAR TAG2 = 'c';
     20     static const SK_OT_CHAR TAG3 = 'f';
     21     static const SK_OT_ULONG TAG = SkOTTableTAG<SkTTCFHeader>::value;
     22 
     23     SK_OT_Fixed version;
     24     static const SK_OT_Fixed version_1 = SkTEndian_SwapBE32(1 << 16);
     25     static const SK_OT_Fixed version_2 = SkTEndian_SwapBE32(2 << 16);
     26 
     27     SK_OT_ULONG numOffsets;
     28     //SK_OT_ULONG offset[numOffsets]
     29 
     30     struct Version2Ext {
     31         SK_OT_ULONG dsigType;
     32         struct dsigType_None {
     33             static const SK_OT_CHAR TAG0 = 0;
     34             static const SK_OT_CHAR TAG1 = 0;
     35             static const SK_OT_CHAR TAG2 = 0;
     36             static const SK_OT_CHAR TAG3 = 0;
     37             static const SK_OT_ULONG TAG = SkOTTableTAG<dsigType_None>::value;
     38         };
     39         struct dsigType_Format1 {
     40             static const SK_OT_CHAR TAG0 = 'D';
     41             static const SK_OT_CHAR TAG1 = 'S';
     42             static const SK_OT_CHAR TAG2 = 'I';
     43             static const SK_OT_CHAR TAG3 = 'G';
     44             static const SK_OT_ULONG TAG = SkOTTableTAG<dsigType_Format1>::value;
     45         };
     46         SK_OT_ULONG dsigLength; //Length of DSIG table (in bytes).
     47         SK_OT_ULONG dsigOffset; //Offset of DSIG table from the beginning of file (in bytes).
     48     };// version2ext (if version == version_2)
     49 };
     50 
     51 #pragma pack(pop)
     52 
     53 
     54 SK_COMPILE_ASSERT(sizeof(SkTTCFHeader) == 12, sizeof_SkTTCFHeader_not_12);
     55 
     56 #endif
     57