#include "harfbuzz-open-private.h"
struct GDEFHeader {
+ /* TODO */
+
+ private:
Fixed version; /* Version of the GDEF table--initially
* 0x00010000 */
Offset glyphClassDef; /* Offset to class definition table
* mark attachment type--from beginning
* of GDEF header (may be NULL) */
};
+ASSERT_SIZE (GDEFHeader, 12);
struct GlyphClassDef : ClassDef {
static const uint16_t BaseGlyph = 0x0001u;
static const uint16_t ComponentGlyph = 0x0004u;
};
+struct AttachPoint;
struct AttachList {
- /* XXX */
+ /* AttachPoint tables, in Coverage Index order */
+ /* TODO get attach lists */
+/* DEFINE_INDIRECT_OFFSET_ARRAY_TYPE (AttachPoint, attachPoint, glyphCount, get_coverage);
+
+// get_coverage
+
+ inline Coverage* get_default_language_system (void) {
+ if (!defaultLangSys)
+ return NULL;
+ return (LangSys *)((char*)this + defaultLangSys);
+ }
+
+*/
+ private:
Offset coverage; /* Offset to Coverage table -- from
* beginning of AttachList table */
USHORT glyphCount; /* Number of glyphs with attachment
* tables--from beginning of AttachList
* table--in Coverage Index order */
};
+ASSERT_SIZE (AttachList, 4);
struct AttachPoint {
- /* XXX */
+ /* TODO */
+ private:
USHORT pointCount; /* Number of attachment points on
* this glyph */
USHORT pointIndex[]; /* Array of contour point indices--in
* increasing numerical order */
};
+ASSERT_SIZE (AttachPoint, 2);
/*
* Ligature Caret Table
struct CaretValue;
struct LigCaretList {
- /* XXX */
+ /* TODO */
+ private:
Offset coverage; /* Offset to Coverage table--from
* beginning of LigCaretList table */
USHORT ligGlyphCount; /* Number of ligature glyphs */
* LigCaretList table--in Coverage
* Index order */
};
+ASSERT_SIZE (LigCaretList, 4);
struct LigGlyph {
/* Caret value tables, in increasing coordinate order */
DEFINE_OFFSET_ARRAY_TYPE (CaretValue, caretValue, caretCount);
- /* XXX */
+ /* TODO */
+ private:
USHORT caretCount; /* Number of CaretValues for this
* ligature (components - 1) */
Offset caretValue[]; /* Array of offsets to CaretValue
* table--in increasing coordinate
* order */
};
+ASSERT_SIZE (LigGlyph, 2);
struct CaretValueFormat1 {
- USHORT caretValueFormat; /* Format identifier--format = 1 */
- SHORT coordinate; /* X or Y value, in design units */
inline int get_caret_value (int ppem) const {
- return /* XXX garbage */ coordinate / ppem;
+ return /* TODO garbage */ coordinate / ppem;
}
+
+ private:
+ USHORT caretValueFormat; /* Format identifier--format = 1 */
+ SHORT coordinate; /* X or Y value, in design units */
};
+ASSERT_SIZE (CaretValueFormat1, 4);
struct CaretValueFormat2 {
- USHORT caretValueFormat; /* Format identifier--format = 2 */
- USHORT caretValuePoint; /* Contour point index on glyph */
inline int get_caret_value (int ppem) const {
- return /* XXX garbage */ 0 / ppem;
+ return /* TODO garbage */ 0 / ppem;
}
+
+ private:
+ USHORT caretValueFormat; /* Format identifier--format = 2 */
+ USHORT caretValuePoint; /* Contour point index on glyph */
};
+ASSERT_SIZE (CaretValueFormat2, 4);
struct CaretValueFormat3 {
+
inline const Device* get_device (void) const {
return (const Device*)((const char*)this + deviceTable);
}
+ inline int get_caret_value (int ppem) const {
+ return /* TODO garbage */ (coordinate + get_device()->get_delta (ppem)) / ppem;
+ }
+
+ private:
USHORT caretValueFormat; /* Format identifier--format = 3 */
SHORT coordinate; /* X or Y value, in design units */
Offset deviceTable; /* Offset to Device table for X or Y
* value--from beginning of CaretValue
* table */
-
- inline int get_caret_value (int ppem) const {
- return /* XXX garbage */ (coordinate + get_device()->get_delta (ppem)) / ppem;
- }
};
+ASSERT_SIZE (CaretValueFormat3, 6);
struct CaretValue {
DEFINE_NON_INSTANTIABLE(CaretValue);
}
}
+ private:
union {
USHORT caretValueFormat; /* Format identifier */
CaretValueFormat1 format1;
CaretValueFormat2 format2;
CaretValueFormat3 format3;
- /* XXX old HarfBuzz code has a format 4 here! */
+ /* FIXME old HarfBuzz code has a format 4 here! */
} u;
};
* All OpenType fonts use Motorola-style byte ordering (Big Endian):" */
-DEFINE_INT_TYPE_STRUCT (BYTE, u, 8); /* 8-bit unsigned integer. */
-DEFINE_INT_TYPE_STRUCT (CHAR, , 8); /* 8-bit signed integer. */
-DEFINE_INT_TYPE_STRUCT (USHORT, u, 16); /* 16-bit unsigned integer. */
+DEFINE_INT_TYPE_STRUCT (BYTE, u, 8); /* 8-bit unsigned integer. */
+ASSERT_SIZE (BYTE, 1);
+DEFINE_INT_TYPE_STRUCT (CHAR, , 8); /* 8-bit signed integer. */
+ASSERT_SIZE (CHAR, 1);
+DEFINE_INT_TYPE_STRUCT (USHORT, u, 16); /* 16-bit unsigned integer. */
+ASSERT_SIZE (USHORT, 2);
DEFINE_INT_TYPE_STRUCT (SHORT, , 16); /* 16-bit signed integer. */
+ASSERT_SIZE (SHORT, 2);
DEFINE_INT_TYPE_STRUCT (ULONG, u, 32); /* 32-bit unsigned integer. */
+ASSERT_SIZE (ULONG, 4);
DEFINE_INT_TYPE_STRUCT (LONG, , 32); /* 32-bit signed integer. */
+ASSERT_SIZE (LONG, 4);
/* Date represented in number of seconds since 12:00 midnight, January 1,
* 1904. The value is represented as a signed 64-bit integer. */
DEFINE_INT_TYPE_STRUCT (LONGDATETIME, , 64);
/* 32-bit signed fixed-point number (16.16) */
-struct Fixed : LONG {
+struct Fixed {
+ inline Fixed& operator = (int32_t v) { i = (int16_t) (v >> 16); f = (uint16_t) v; return *this; } \
+ inline operator int32_t(void) const { return (((int32_t) i) << 16) + (uint16_t) f; } \
+ inline bool operator== (Fixed o) const { return i == o.i && f == o.f; } \
+
inline operator double(void) const { return (uint32_t) this / 65536.; }
- inline int16_t int_part (void) const { return (uint32_t) this >> 16; }
- inline int16_t frac_part (void) const { return (uint32_t) this & 0xffff; }
+ inline int16_t int_part (void) const { return i; }
+ inline uint16_t frac_part (void) const { return f; }
+
+ private:
+ SHORT i;
+ USHORT f;
};
+ASSERT_SIZE (Fixed, 4);
/* Smallest measurable distance in the em space. */
struct FUNIT;
/* 16-bit signed integer (SHORT) that describes a quantity in FUnits. */
struct FWORD : SHORT {
};
+ASSERT_SIZE (FWORD, 2);
/* 16-bit unsigned integer (USHORT) that describes a quantity in FUnits. */
struct UFWORD : USHORT {
};
+ASSERT_SIZE (UFWORD, 2);
/* 16-bit signed fixed number with the low 14 bits of fraction (2.14). */
struct F2DOT14 : SHORT {
inline operator double() const { return (uint32_t) this / 16384.; }
};
+ASSERT_SIZE (F2DOT14, 2);
/* Array of four uint8s (length = 32 bits) used to identify a script, language
* system, feature, or baseline */
inline operator const char* (void) const { return (const char *)this; }
inline operator char* (void) { return (char *)this; }
- private: char v[4];
+ private:
+ char v[4];
};
+ASSERT_SIZE (Tag, 4);
/* Glyph index number, same as uint16 (length = 16 bits) */
DEFINE_INT_TYPE_STRUCT (GlyphID, u, 16);
+ASSERT_SIZE (GlyphID, 2);
/* Offset to a table, same as uint16 (length = 16 bits), NULL offset = 0x0000 */
DEFINE_INT_TYPE_STRUCT (Offset, u, 16);
+ASSERT_SIZE (Offset, 2);
/* CheckSum */
struct CheckSum : ULONG {
return Sum;
}
};
+ASSERT_SIZE (CheckSum, 4);
/*
struct USHORT_Version : USHORT {
};
+ASSERT_SIZE (USHORT_Version, 2);
struct Fixed_Version : Fixed {
inline int16_t major (void) const { return this->int_part(); }
inline int16_t minor (void) const { return this->frac_part(); }
};
+ASSERT_SIZE (Fixed_Version, 4);
/*
struct TTCHeader;
typedef struct TableDirectory {
+
+ friend struct OpenTypeFontFile;
+
+ inline const Tag& get_tag (void) const { return tag; }
+ inline unsigned long get_checksum (void) const { return checkSum; }
+ inline unsigned long get_offset (void) const { return offset; }
+ inline unsigned long get_length (void) const { return length; }
+
+ private:
Tag tag; /* 4-byte identifier. */
CheckSum checkSum; /* CheckSum for this table. */
ULONG offset; /* Offset from beginning of TrueType font
* file. */
ULONG length; /* Length of this table. */
} OpenTypeTable;
+ASSERT_SIZE (TableDirectory, 16);
typedef struct OffsetTable {
/* OpenTypeTables, in no particular order */
DEFINE_ARRAY_TYPE (TableDirectory, tableDir, numTables);
// TODO: Implement find_table
+ private:
Tag sfnt_version; /* '\0\001\0\00' if TrueType / 'OTTO' if CFF */
USHORT numTables; /* Number of tables. */
USHORT searchRange; /* (Maximum power of 2 <= numTables) x 16 */
USHORT rangeShift; /* NumTables x 16-searchRange. */
TableDirectory tableDir[]; /* TableDirectory entries. numTables items */
} OpenTypeFontFace;
+ASSERT_SIZE (OffsetTable, 12);
/*
* TrueType Collections
/* OpenTypeFontFaces, in no particular order */
DEFINE_OFFSET_ARRAY_TYPE (OffsetTable, offsetTable, numFonts);
+ private:
Tag ttcTag; /* TrueType Collection ID string: 'ttcf' */
ULONG version; /* Version of the TTC Header (1.0 or 2.0),
* 0x00010000 or 0x00020000 */
ULONG offsetTable[]; /* Array of offsets to the OffsetTable for each font
* from the beginning of the file */
};
+ASSERT_SIZE (TTCHeader, 12);
/*
case TTCTag: return ((TTCHeader&)*this)[i];
}
}
+ inline const Tag& get_tag (void) const { return tag; }
+ private:
Tag tag; /* 4-byte identifier. */
};
+ASSERT_SIZE (OpenTypeFontFile, 4);
Offset offset; /* Offset from beginning of object holding
* the Record */
} ScriptRecord, LangSysRecord, FeatureRecord;
+ASSERT_SIZE (Record, 6);
struct ScriptList {
/* Scripts, in sorted alphabetical tag order */
DEFINE_RECORD_ARRAY_TYPE (Script, scriptRecord, scriptCount);
+ private:
USHORT scriptCount; /* Number of ScriptRecords */
ScriptRecord scriptRecord[]; /* Array of ScriptRecords--listed alphabetically
* by ScriptTag */
};
+ASSERT_SIZE (ScriptList, 2);
struct Script {
/* LangSys', in sorted alphabetical tag order */
return (LangSys *)((char*)this + defaultLangSys);
}
+ private:
Offset defaultLangSys; /* Offset to DefaultLangSys table--from
* beginning of Script table--may be NULL */
USHORT langSysCount; /* Number of LangSysRecords for this script--
LangSysRecord langSysRecord[];/* Array of LangSysRecords--listed
* alphabetically by LangSysTag */
};
+ASSERT_SIZE (Script, 4);
struct LangSys {
/* Feature indices, in no particular order */
return reqFeatureIndex;;
}
+ private:
Offset lookupOrder; /* = NULL (reserved for an offset to a
* reordering table) */
USHORT reqFeatureIndex;/* Index of a feature required for this
USHORT featureIndex[]; /* Array of indices into the FeatureList--in
* arbitrary order. featureCount entires long */
};
+ASSERT_SIZE (LangSys, 6);
struct FeatureList {
/* Feature indices, in sorted alphabetical tag order */
DEFINE_RECORD_ARRAY_TYPE (Feature, featureRecord, featureCount);
+ private:
USHORT featureCount; /* Number of FeatureRecords in this table */
FeatureRecord featureRecord[];/* Array of FeatureRecords--zero-based (first
* feature has FeatureIndex = 0)--listed
* alphabetically by FeatureTag */
};
+ASSERT_SIZE (FeatureList, 2);
struct Feature {
/* LookupList indices, in no particular order */
// TODO: implement get_feature_params()
+ private:
Offset featureParams; /* Offset to Feature Parameters table (if one
* has been defined for the feature), relative
* to the beginning of the Feature Table; = NULL
* feature--zero-based (first lookup is
* LookupListIndex = 0) */
};
+ASSERT_SIZE (Feature, 4);
struct LookupList {
/* Lookup indices, in sorted alphabetical tag order */
DEFINE_OFFSET_ARRAY_TYPE (Lookup, lookupOffset, lookupCount);
+ private:
USHORT lookupCount; /* Number of lookups in this table */
Offset lookupOffset[]; /* Array of offsets to Lookup tables--from
* beginning of LookupList--zero based (first
* lookup is Lookup index = 0) */
};
+ASSERT_SIZE (LookupList, 2);
struct LookupFlag : USHORT {
static const uint16_t RightToLeft = 0x0001u;
static const uint16_t Reserved = 0x00F0u;
static const uint16_t MarkAttachmentType = 0xFF00u;
};
+ASSERT_SIZE (LookupFlag, 2);
struct Lookup {
/* SubTables, in the desired order */
inline bool ignore_marks (void) const { return lookupFlag & LookupFlag::IgnoreMarks; }
inline bool get_mark_attachment_type (void) const { return lookupFlag & LookupFlag::MarkAttachmentType; }
+ inline uint16_t get_type (void) const { return lookupType; }
+ inline uint16_t get_flag (void) const { return lookupFlag; }
+
+ private:
USHORT lookupType; /* Different enumerations for GSUB and GPOS */
USHORT lookupFlag; /* Lookup qualifiers */
USHORT subTableCount; /* Number of SubTables for this lookup */
Offset subTableOffset[];/* Array of offsets to SubTables-from
* beginning of Lookup table */
};
+ASSERT_SIZE (Lookup, 6);
/*
* Coverage Table
return -1;
}
+ private:
USHORT coverageFormat; /* Format identifier--format = 1 */
USHORT glyphCount; /* Number of glyphs in the GlyphArray */
GlyphID glyphArray[]; /* Array of GlyphIDs--in numerical order */
};
+ASSERT_SIZE (CoverageFormat1, 4);
struct CoverageRangeRecord {
return -1;
}
+ private:
GlyphID start; /* First GlyphID in the range */
GlyphID end; /* Last GlyphID in the range */
USHORT startCoverageIndex; /* Coverage Index of first GlyphID in
* range */
};
+ASSERT_SIZE (CoverageRangeRecord, 6);
struct CoverageFormat2 {
/* CoverageRangeRecords, in sorted numerical start order */
return -1;
}
+ private:
USHORT coverageFormat; /* Format identifier--format = 2 */
USHORT rangeCount; /* Number of CoverageRangeRecords */
CoverageRangeRecord rangeRecord[]; /* Array of glyph ranges--ordered by
* Start GlyphID. rangeCount entries
* long */
};
+ASSERT_SIZE (CoverageFormat2, 4);
struct Coverage {
DEFINE_NON_INSTANTIABLE(Coverage);
}
}
+ private:
union {
USHORT coverageFormat; /* Format identifier */
CoverageFormat1 format1;
return 0;
}
+ private:
USHORT classFormat; /* Format identifier--format = 1 */
GlyphID startGlyph; /* First GlyphID of the classValueArray */
USHORT glyphCount; /* Size of the classValueArray */
USHORT classValueArray[]; /* Array of Class Values--one per GlyphID */
};
+ASSERT_SIZE (ClassDefFormat1, 6);
struct ClassRangeRecord {
return 0;
}
+ private:
GlyphID start; /* First GlyphID in the range */
GlyphID end; /* Last GlyphID in the range */
- USHORT classValue; /* Applied to all glyphs in the range
- */
+ USHORT classValue; /* Applied to all glyphs in the range */
};
+ASSERT_SIZE (ClassRangeRecord, 6);
struct ClassDefFormat2 {
/* ClassRangeRecords, in sorted numerical start order */
return 0;
}
+ private:
USHORT classFormat; /* Format identifier--format = 2 */
USHORT rangeCount; /* Number of Number of ClassRangeRecords */
ClassRangeRecord rangeRecord[]; /* Array of glyph ranges--ordered by
* Start GlyphID */
};
+ASSERT_SIZE (ClassDefFormat2, 4);
struct ClassDef {
DEFINE_NON_INSTANTIABLE(ClassDef);
}
}
+ private:
union {
USHORT classFormat; /* Format identifier */
ClassDefFormat1 format1;
return 0;
}
+ private:
USHORT startSize; /* Smallest size to correct--in ppem */
USHORT endSize; /* Largest size to correct--in ppem */
USHORT deltaFormat; /* Format of DeltaValue array data: 1, 2, or 3 */
USHORT deltaValue[]; /* Array of compressed data */
};
+ASSERT_SIZE (Device, 6);
struct GSUBGPOSHeader {
+/*
+ inline unsigned int get_size (void) const {
+ return offsetof (GSUBGPOSHeader, padding);
+ }
+ */
+
DEFINE_LIST_ACCESSOR(Script, script); /* get_script_list and script(i) */
DEFINE_LIST_ACCESSOR(Feature, feature);/* get_feature_list and feature(i) */
DEFINE_LIST_ACCESSOR(Lookup, lookup); /* get_lookup_list and lookup(i) */
+ private:
Fixed_Version version; /* Version of the GSUB/GPOS table--initially set
* to 0x00010000 */
Offset scriptList; /* Offset to ScriptList table--from beginning of
Offset lookupList; /* Offset to LookupList table--from beginning of
* GSUB/GPOS table */
};
+ASSERT_SIZE (GSUBGPOSHeader, 10);
#endif /* HARFBUZZ_OPEN_PRIVATE_H */
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