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Viewing changes to source/layout/SubstitutionLookups.cpp

  • Committer: Package Import Robot
  • Author(s): Jay Berkenbilt
  • Date: 2005-11-19 11:29:31 UTC
  • mfrom: (1.1.2)
  • Revision ID: package-import@ubuntu.com-20051119112931-vcizkrp10tli4enw
Tags: 3.4-3
Explicitly build with g++ 3.4.  The current ICU fails its test suite
with 4.0 but not with 3.4.  Future versions should work properly with
4.0.

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source/layout/SubstitutionLookups.cpp
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/*
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 * @(#)SubstitutionLookups.cpp  1.6 00/03/15
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 *
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 * (C) Copyright IBM Corp. 1998, 1999, 2000 - All Rights Reserved
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 *
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 */
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#include "LETypes.h"
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#include "LEFontInstance.h"
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#include "OpenTypeTables.h"
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#include "GlyphSubstitutionTables.h"
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#include "GlyphIterator.h"
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#include "LookupProcessor.h"
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#include "SubstitutionLookups.h"
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#include "CoverageTables.h"
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#include "LESwaps.h"
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U_NAMESPACE_BEGIN
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/*
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    NOTE: This could be optimized somewhat by keeping track
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    of the previous sequenceIndex in the loop and doing next()
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    or prev() of the delta between that and the current
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    sequenceIndex instead of always resetting to the front.
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*/
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void SubstitutionLookup::applySubstitutionLookups(
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        LookupProcessor *lookupProcessor,
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        SubstitutionLookupRecord *substLookupRecordArray,
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        le_uint16 substCount,
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        GlyphIterator *glyphIterator,
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        const LEFontInstance *fontInstance,
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        le_int32 position)
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{
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    GlyphIterator tempIterator(*glyphIterator);
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    for (le_uint16 subst = 0; subst < substCount; subst += 1) {
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        le_uint16 sequenceIndex = SWAPW(substLookupRecordArray[subst].sequenceIndex);
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        le_uint16 lookupListIndex = SWAPW(substLookupRecordArray[subst].lookupListIndex);
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        tempIterator.setCurrStreamPosition(position);
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        tempIterator.next(sequenceIndex);
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        lookupProcessor->applySingleLookup(lookupListIndex, &tempIterator, fontInstance);
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    }
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}
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U_NAMESPACE_END