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firebird-mirror/extern/icu/source/layout/GlyphLookupTables.cpp

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2005-05-28 00:45:31 +02:00
/*
*
* (C) Copyright IBM Corp. 1998-2004 - All Rights Reserved
*
*/
#include "LETypes.h"
#include "OpenTypeTables.h"
#include "ScriptAndLanguage.h"
#include "GlyphLookupTables.h"
#include "LESwaps.h"
U_NAMESPACE_BEGIN
le_bool GlyphLookupTableHeader::coversScript(LETag scriptTag) const
{
const ScriptListTable *scriptListTable = (const ScriptListTable *) ((char *)this + SWAPW(scriptListOffset));
return scriptListOffset != 0 && scriptListTable->findScript(scriptTag) != NULL;
}
le_bool GlyphLookupTableHeader::coversScriptAndLanguage(LETag scriptTag, LETag languageTag, le_bool exactMatch) const
{
const ScriptListTable *scriptListTable = (const ScriptListTable *) ((char *)this + SWAPW(scriptListOffset));
const LangSysTable *langSysTable = scriptListTable->findLanguage(scriptTag, languageTag, exactMatch);
// FIXME: could check featureListOffset, lookupListOffset, and lookup count...
// Note: don't have to SWAPW langSysTable->featureCount to check for non-zero.
return langSysTable != NULL && langSysTable->featureCount != 0;
}
U_NAMESPACE_END