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-rw-r--r--Build/source/libs/icu/icu-49.1/layout/GlyphPosnLookupProc.cpp161
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diff --git a/Build/source/libs/icu/icu-49.1/layout/GlyphPosnLookupProc.cpp b/Build/source/libs/icu/icu-49.1/layout/GlyphPosnLookupProc.cpp
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+++ b/Build/source/libs/icu/icu-49.1/layout/GlyphPosnLookupProc.cpp
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+/*
+ * (C) Copyright IBM Corp. 1998 - 2010 - All Rights Reserved
+ *
+ */
+
+#include "LETypes.h"
+#include "LEFontInstance.h"
+#include "OpenTypeTables.h"
+#include "ICUFeatures.h"
+#include "Lookups.h"
+#include "ScriptAndLanguage.h"
+#include "GlyphDefinitionTables.h"
+#include "GlyphPositioningTables.h"
+#include "SinglePositioningSubtables.h"
+#include "PairPositioningSubtables.h"
+#include "CursiveAttachmentSubtables.h"
+#include "MarkToBasePosnSubtables.h"
+#include "MarkToLigaturePosnSubtables.h"
+#include "MarkToMarkPosnSubtables.h"
+//#include "ContextualPositioningSubtables.h"
+#include "ContextualSubstSubtables.h"
+#include "ExtensionSubtables.h"
+#include "LookupProcessor.h"
+#include "GlyphPosnLookupProc.h"
+#include "LESwaps.h"
+
+U_NAMESPACE_BEGIN
+
+// Aside from the names, the contextual positioning subtables are
+// the same as the contextual substitution subtables.
+typedef ContextualSubstitutionSubtable ContextualPositioningSubtable;
+typedef ChainingContextualSubstitutionSubtable ChainingContextualPositioningSubtable;
+
+GlyphPositioningLookupProcessor::GlyphPositioningLookupProcessor(
+ const GlyphPositioningTableHeader *glyphPositioningTableHeader,
+ LETag scriptTag,
+ LETag languageTag,
+ const FeatureMap *featureMap,
+ le_int32 featureMapCount,
+ le_bool featureOrder,
+ LEErrorCode& success)
+ : LookupProcessor(
+ (char *) glyphPositioningTableHeader,
+ SWAPW(glyphPositioningTableHeader->scriptListOffset),
+ SWAPW(glyphPositioningTableHeader->featureListOffset),
+ SWAPW(glyphPositioningTableHeader->lookupListOffset),
+ scriptTag,
+ languageTag,
+ featureMap,
+ featureMapCount,
+ featureOrder,
+ success
+ )
+{
+ // anything?
+}
+
+GlyphPositioningLookupProcessor::GlyphPositioningLookupProcessor()
+{
+}
+
+le_uint32 GlyphPositioningLookupProcessor::applySubtable(const LookupSubtable *lookupSubtable, le_uint16 lookupType,
+ GlyphIterator *glyphIterator,
+ const LEFontInstance *fontInstance,
+ LEErrorCode& success) const
+{
+ if (LE_FAILURE(success)) {
+ return 0;
+ }
+
+ le_uint32 delta = 0;
+
+ switch(lookupType)
+ {
+ case 0:
+ break;
+
+ case gpstSingle:
+ {
+ const SinglePositioningSubtable *subtable = (const SinglePositioningSubtable *) lookupSubtable;
+
+ delta = subtable->process(glyphIterator, fontInstance);
+ break;
+ }
+
+ case gpstPair:
+ {
+ const PairPositioningSubtable *subtable = (const PairPositioningSubtable *) lookupSubtable;
+
+ delta = subtable->process(glyphIterator, fontInstance);
+ break;
+ }
+
+ case gpstCursive:
+ {
+ const CursiveAttachmentSubtable *subtable = (const CursiveAttachmentSubtable *) lookupSubtable;
+
+ delta = subtable->process(glyphIterator, fontInstance);
+ break;
+ }
+
+ case gpstMarkToBase:
+ {
+ const MarkToBasePositioningSubtable *subtable = (const MarkToBasePositioningSubtable *) lookupSubtable;
+
+ delta = subtable->process(glyphIterator, fontInstance);
+ break;
+ }
+
+ case gpstMarkToLigature:
+ {
+ const MarkToLigaturePositioningSubtable *subtable = (const MarkToLigaturePositioningSubtable *) lookupSubtable;
+
+ delta = subtable->process(glyphIterator, fontInstance);
+ break;
+ }
+
+ case gpstMarkToMark:
+ {
+ const MarkToMarkPositioningSubtable *subtable = (const MarkToMarkPositioningSubtable *) lookupSubtable;
+
+ delta = subtable->process(glyphIterator, fontInstance);
+ break;
+ }
+
+ case gpstContext:
+ {
+ const ContextualPositioningSubtable *subtable = (const ContextualPositioningSubtable *) lookupSubtable;
+
+ delta = subtable->process(this, glyphIterator, fontInstance, success);
+ break;
+ }
+
+ case gpstChainedContext:
+ {
+ const ChainingContextualPositioningSubtable *subtable = (const ChainingContextualPositioningSubtable *) lookupSubtable;
+
+ delta = subtable->process(this, glyphIterator, fontInstance, success);
+ break;
+ }
+
+ case gpstExtension:
+ {
+ const ExtensionSubtable *subtable = (const ExtensionSubtable *) lookupSubtable;
+
+ delta = subtable->process(this, lookupType, glyphIterator, fontInstance, success);
+ break;
+ }
+
+ default:
+ break;
+ }
+
+ return delta;
+}
+
+GlyphPositioningLookupProcessor::~GlyphPositioningLookupProcessor()
+{
+}
+
+U_NAMESPACE_END