3 * (C) Copyright IBM Corp. 1998-2013 - All Rights Reserved
7 #ifndef __ARABICSHAPING_H
8 #define __ARABICSHAPING_H
16 #include "OpenTypeTables.h"
22 class ArabicShaping /* not : public UObject because all methods are static */ {
39 MASK_SHAPE_RIGHT = 1, // if this bit set, shapes to right
40 MASK_SHAPE_LEFT = 2, // if this bit set, shapes to left
41 MASK_TRANSPARENT = 4, // if this bit set, is transparent (ignore other bits)
42 MASK_NOSHAPE = 8 // if this bit set, don't shape this char, i.e. tatweel
49 ST_RIGHT = MASK_SHAPE_RIGHT,
50 ST_LEFT = MASK_SHAPE_LEFT,
51 ST_DUAL = MASK_SHAPE_RIGHT | MASK_SHAPE_LEFT,
52 ST_TRANSPARENT = MASK_TRANSPARENT,
53 ST_NOSHAPE_DUAL = MASK_NOSHAPE | ST_DUAL,
54 ST_NOSHAPE_NONE = MASK_NOSHAPE
57 typedef le_int32 ShapeType;
59 static void shape(const LEUnicode *chars, le_int32 offset, le_int32 charCount, le_int32 charMax,
60 le_bool rightToLeft, LEGlyphStorage &glyphStorage);
62 static const FeatureMap *getFeatureMap(le_int32 &count);
65 // forbid instantiation
68 static ShapeType getShapeType(LEUnicode c);
70 static const le_uint8 shapingTypeTable[];
71 static const size_t shapingTypeTableLen;
73 static const ShapeType shapeTypes[];
75 static void adjustTags(le_int32 outIndex, le_int32 shapeOffset, LEGlyphStorage &glyphStorage);