projects / apple / icu.git / blame
| Commit | Line | Data |
|---|---|---|
| b75a7d8f | 1 | /* |
| b75a7d8f | 2 | * |
| 374ca955 | 3 | * (C) Copyright IBM Corp. 1998-2004 - All Rights Reserved |
| b75a7d8f A |
4 | * |
| 5 | */ | |
| 6 | ||
| 7 | #ifndef __LOOKUPS_H | |
| 8 | #define __LOOKUPS_H | |
| 9 | ||
| 10 | /** | |
| 11 | * \file | |
| 12 | * \internal | |
| 13 | */ | |
| 14 | ||
| 15 | #include "LETypes.h" | |
| 16 | #include "OpenTypeTables.h" | |
| 17 | ||
| 18 | U_NAMESPACE_BEGIN | |
| 19 | ||
| 20 | enum LookupFlags | |
| 21 | { | |
| 22 | lfBaselineIsLogicalEnd = 0x0001, // The MS spec. calls this flag "RightToLeft" but this name is more accurate | |
| 23 | lfIgnoreBaseGlyphs = 0x0002, | |
| 24 | lfIgnoreLigatures = 0x0004, | |
| 25 | lfIgnoreMarks = 0x0008, | |
| 26 | lfReservedMask = 0x00F0, | |
| 27 | lfMarkAttachTypeMask = 0xFF00, | |
| 28 | lfMarkAttachTypeShift = 8 | |
| 29 | }; | |
| 30 | ||
| 31 | struct LookupSubtable | |
| 32 | { | |
| 33 | le_uint16 subtableFormat; | |
| 34 | Offset coverageTableOffset; | |
| 35 | ||
| 36 | le_int32 getGlyphCoverage(LEGlyphID glyphID) const; | |
| 37 | le_int32 getGlyphCoverage(Offset tableOffset, LEGlyphID glyphID) const; | |
| 38 | }; | |
| 39 | ||
| 40 | struct LookupTable | |
| 41 | { | |
| 42 | le_uint16 lookupType; | |
| 43 | le_uint16 lookupFlags; | |
| 44 | le_uint16 subTableCount; | |
| 45 | Offset subTableOffsetArray[ANY_NUMBER]; | |
| 46 | ||
| 47 | const LookupSubtable *getLookupSubtable(le_uint16 subtableIndex) const; | |
| 48 | }; | |
| 49 | ||
| 50 | struct LookupListTable | |
| 51 | { | |
| 52 | le_uint16 lookupCount; | |
| 53 | Offset lookupTableOffsetArray[ANY_NUMBER]; | |
| 54 | ||
| 55 | const LookupTable *getLookupTable(le_uint16 lookupTableIndex) const; | |
| 56 | }; | |
| 57 | ||
| 58 | inline le_int32 LookupSubtable::getGlyphCoverage(LEGlyphID glyphID) const | |
| 59 | { | |
| 60 | return getGlyphCoverage(coverageTableOffset, glyphID); | |
| 61 | } | |
| 62 | ||
| 63 | U_NAMESPACE_END | |
| 64 | #endif |