os/textandloc/fontservices/textshaperplugin/IcuSource/layout/Lookups.cpp
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib.
     1 /*
     2  *
     3  * (C) Copyright IBM Corp. 1998-2004 - All Rights Reserved
     4  *
     5  */
     6 
     7 #include "LETypes.h"
     8 #include "OpenTypeTables.h"
     9 #include "Lookups.h"
    10 #include "CoverageTables.h"
    11 #include "LESwaps.h"
    12 
    13 U_NAMESPACE_BEGIN
    14 
    15 const LookupTable *LookupListTable::getLookupTable(le_uint16 lookupTableIndex) const
    16 {
    17     if (lookupTableIndex >= SWAPW(lookupCount)) {
    18         return 0;
    19     }
    20 
    21     Offset lookupTableOffset = lookupTableOffsetArray[lookupTableIndex];
    22 
    23     return (const LookupTable *) ((char *) this + SWAPW(lookupTableOffset));
    24 }
    25 
    26 const LookupSubtable *LookupTable::getLookupSubtable(le_uint16 subtableIndex) const
    27 {
    28     if (subtableIndex >= SWAPW(subTableCount)) {
    29         return 0;
    30     }
    31 
    32     Offset subtableOffset = subTableOffsetArray[subtableIndex];
    33 
    34     return (const LookupSubtable *) ((char *) this + SWAPW(subtableOffset));
    35 }
    36 
    37 le_int32 LookupSubtable::getGlyphCoverage(Offset tableOffset, LEGlyphID glyphID) const
    38 {
    39     const CoverageTable *coverageTable = (const CoverageTable *) ((char *) this + SWAPW(tableOffset));
    40 
    41     return coverageTable->getGlyphCoverage(glyphID);
    42 }
    43 
    44 U_NAMESPACE_END