os/textandloc/fontservices/textshaperplugin/IcuSource/layout/GlyphLookupTables.cpp
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution.
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/*
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 *
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 * (C) Copyright IBM Corp. 1998-2004 - All Rights Reserved
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 *
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 */
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#include "LETypes.h"
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#include "OpenTypeTables.h"
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#include "ScriptAndLanguage.h"
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#include "GlyphLookupTables.h"
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#include "LESwaps.h"
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U_NAMESPACE_BEGIN
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le_bool GlyphLookupTableHeader::coversScript(LETag scriptTag) const
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{
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    const ScriptListTable *scriptListTable = (const ScriptListTable *) ((char *)this + SWAPW(scriptListOffset));
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    return scriptListOffset != 0 && scriptListTable->findScript(scriptTag) != NULL;
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}
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le_bool GlyphLookupTableHeader::coversScriptAndLanguage(LETag scriptTag, LETag languageTag, le_bool exactMatch) const
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{
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    const ScriptListTable *scriptListTable = (const ScriptListTable *) ((char *)this + SWAPW(scriptListOffset));
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    const LangSysTable    *langSysTable    = scriptListTable->findLanguage(scriptTag, languageTag, exactMatch);
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    // FIXME: could check featureListOffset, lookupListOffset, and lookup count...
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    // Note: don't have to SWAPW langSysTable->featureCount to check for non-zero.
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    return langSysTable != NULL && langSysTable->featureCount != 0;
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}
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U_NAMESPACE_END