0N/A/*
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0N/A * This code is free software; you can redistribute it and/or modify it
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0N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
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2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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0N/A
0N/A/*
0N/A *
0N/A * (C) Copyright IBM Corp. 1998-2005 - All Rights Reserved
0N/A *
0N/A */
0N/A
0N/A#ifndef __ARABICSHAPING_H
0N/A#define __ARABICSHAPING_H
0N/A
1693N/A/**
1693N/A * \file
1693N/A * \internal
1693N/A */
1693N/A
0N/A#include "LETypes.h"
0N/A#include "OpenTypeTables.h"
0N/A
1693N/AU_NAMESPACE_BEGIN
1693N/A
0N/Aclass LEGlyphStorage;
0N/A
1693N/Aclass ArabicShaping /* not : public UObject because all methods are static */ {
0N/Apublic:
0N/A // Joining types
0N/A enum JoiningTypes
0N/A {
0N/A JT_NON_JOINING = 0,
0N/A JT_JOIN_CAUSING = 1,
0N/A JT_DUAL_JOINING = 2,
0N/A JT_LEFT_JOINING = 3,
0N/A JT_RIGHT_JOINING = 4,
0N/A JT_TRANSPARENT = 5,
0N/A JT_COUNT = 6
0N/A };
0N/A
0N/A // shaping bit masks
0N/A enum ShapingBitMasks
0N/A {
0N/A MASK_SHAPE_RIGHT = 1, // if this bit set, shapes to right
0N/A MASK_SHAPE_LEFT = 2, // if this bit set, shapes to left
0N/A MASK_TRANSPARENT = 4, // if this bit set, is transparent (ignore other bits)
0N/A MASK_NOSHAPE = 8 // if this bit set, don't shape this char, i.e. tatweel
0N/A };
0N/A
0N/A // shaping values
0N/A enum ShapeTypeValues
0N/A {
0N/A ST_NONE = 0,
0N/A ST_RIGHT = MASK_SHAPE_RIGHT,
0N/A ST_LEFT = MASK_SHAPE_LEFT,
0N/A ST_DUAL = MASK_SHAPE_RIGHT | MASK_SHAPE_LEFT,
0N/A ST_TRANSPARENT = MASK_TRANSPARENT,
0N/A ST_NOSHAPE_DUAL = MASK_NOSHAPE | ST_DUAL,
0N/A ST_NOSHAPE_NONE = MASK_NOSHAPE
0N/A };
0N/A
0N/A typedef le_int32 ShapeType;
0N/A
1693N/A static void shape(const LEUnicode *chars, le_int32 offset, le_int32 charCount, le_int32 charMax,
1693N/A le_bool rightToLeft, LEGlyphStorage &glyphStorage);
0N/A
0N/A static const FeatureMap *getFeatureMap(le_int32 &count);
0N/A
0N/Aprivate:
0N/A // forbid instantiation
0N/A ArabicShaping();
0N/A
0N/A static ShapeType getShapeType(LEUnicode c);
0N/A
0N/A static const le_uint8 shapingTypeTable[];
5980N/A static const size_t shapingTypeTableLen;
5980N/A
0N/A static const ShapeType shapeTypes[];
0N/A
1693N/A static void adjustTags(le_int32 outIndex, le_int32 shapeOffset, LEGlyphStorage &glyphStorage);
0N/A};
0N/A
1693N/AU_NAMESPACE_END
0N/A#endif