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-rw-r--r--Build/source/libs/icu/icu-xetex/layout/ClassDefinitionTables.cpp120
1 files changed, 120 insertions, 0 deletions
diff --git a/Build/source/libs/icu/icu-xetex/layout/ClassDefinitionTables.cpp b/Build/source/libs/icu/icu-xetex/layout/ClassDefinitionTables.cpp
new file mode 100644
index 00000000000..124c4d0f24d
--- /dev/null
+++ b/Build/source/libs/icu/icu-xetex/layout/ClassDefinitionTables.cpp
@@ -0,0 +1,120 @@
+/*
+ *
+ * (C) Copyright IBM Corp. 1998-2004 - All Rights Reserved
+ *
+ */
+
+#include "LETypes.h"
+#include "OpenTypeTables.h"
+#include "OpenTypeUtilities.h"
+#include "ClassDefinitionTables.h"
+#include "LESwaps.h"
+
+U_NAMESPACE_BEGIN
+
+le_int32 ClassDefinitionTable::getGlyphClass(LEGlyphID glyphID) const
+{
+ switch(SWAPW(classFormat)) {
+ case 0:
+ return 0;
+
+ case 1:
+ {
+ const ClassDefFormat1Table *f1Table = (const ClassDefFormat1Table *) this;
+
+ return f1Table->getGlyphClass(glyphID);
+ }
+
+ case 2:
+ {
+ const ClassDefFormat2Table *f2Table = (const ClassDefFormat2Table *) this;
+
+ return f2Table->getGlyphClass(glyphID);
+ }
+
+ default:
+ return 0;
+ }
+}
+
+le_bool ClassDefinitionTable::hasGlyphClass(le_int32 glyphClass) const
+{
+ switch(SWAPW(classFormat)) {
+ case 0:
+ return 0;
+
+ case 1:
+ {
+ const ClassDefFormat1Table *f1Table = (const ClassDefFormat1Table *) this;
+
+ return f1Table->hasGlyphClass(glyphClass);
+ }
+
+ case 2:
+ {
+ const ClassDefFormat2Table *f2Table = (const ClassDefFormat2Table *) this;
+
+ return f2Table->hasGlyphClass(glyphClass);
+ }
+
+ default:
+ return 0;
+ }
+}
+
+le_int32 ClassDefFormat1Table::getGlyphClass(LEGlyphID glyphID) const
+{
+ TTGlyphID ttGlyphID = (TTGlyphID) LE_GET_GLYPH(glyphID);
+ TTGlyphID firstGlyph = SWAPW(startGlyph);
+ TTGlyphID lastGlyph = firstGlyph + SWAPW(glyphCount);
+
+ if (ttGlyphID >= firstGlyph && ttGlyphID < lastGlyph) {
+ return SWAPW(classValueArray[ttGlyphID - firstGlyph]);
+ }
+
+ return 0;
+}
+
+le_bool ClassDefFormat1Table::hasGlyphClass(le_int32 glyphClass) const
+{
+ le_uint16 count = SWAPW(glyphCount);
+ int i;
+
+ for (i = 0; i < count; i += 1) {
+ if (SWAPW(classValueArray[i]) == glyphClass) {
+ return TRUE;
+ }
+ }
+
+ return FALSE;
+}
+
+le_int32 ClassDefFormat2Table::getGlyphClass(LEGlyphID glyphID) const
+{
+ TTGlyphID ttGlyph = (TTGlyphID) LE_GET_GLYPH(glyphID);
+ le_uint16 rangeCount = SWAPW(classRangeCount);
+ le_int32 rangeIndex =
+ OpenTypeUtilities::getGlyphRangeIndex(ttGlyph, classRangeRecordArray, rangeCount);
+
+ if (rangeIndex < 0) {
+ return 0;
+ }
+
+ return SWAPW(classRangeRecordArray[rangeIndex].rangeValue);
+}
+
+le_bool ClassDefFormat2Table::hasGlyphClass(le_int32 glyphClass) const
+{
+ le_uint16 rangeCount = SWAPW(classRangeCount);
+ int i;
+
+ for (i = 0; i < rangeCount; i += 1) {
+ if (SWAPW(classRangeRecordArray[i].rangeValue) == glyphClass) {
+ return TRUE;
+ }
+ }
+
+ return FALSE;
+}
+
+U_NAMESPACE_END