Mercurial > hg > openjdk > jigsaw > jdk
view src/share/native/sun/font/layout/ArabicShaping.h @ 7317:32778f4f945f
8001031: Better font processing
Reviewed-by: srl, vadim
author | prr |
---|---|
date | Thu, 07 Mar 2013 10:02:20 -0800 |
parents | 00cd9dc3c2b5 |
children |
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/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ /* * * (C) Copyright IBM Corp. 1998-2005 - All Rights Reserved * */ #ifndef __ARABICSHAPING_H #define __ARABICSHAPING_H /** * \file * \internal */ #include "LETypes.h" #include "OpenTypeTables.h" U_NAMESPACE_BEGIN class LEGlyphStorage; class ArabicShaping /* not : public UObject because all methods are static */ { public: // Joining types enum JoiningTypes { JT_NON_JOINING = 0, JT_JOIN_CAUSING = 1, JT_DUAL_JOINING = 2, JT_LEFT_JOINING = 3, JT_RIGHT_JOINING = 4, JT_TRANSPARENT = 5, JT_COUNT = 6 }; // shaping bit masks enum ShapingBitMasks { MASK_SHAPE_RIGHT = 1, // if this bit set, shapes to right MASK_SHAPE_LEFT = 2, // if this bit set, shapes to left MASK_TRANSPARENT = 4, // if this bit set, is transparent (ignore other bits) MASK_NOSHAPE = 8 // if this bit set, don't shape this char, i.e. tatweel }; // shaping values enum ShapeTypeValues { ST_NONE = 0, ST_RIGHT = MASK_SHAPE_RIGHT, ST_LEFT = MASK_SHAPE_LEFT, ST_DUAL = MASK_SHAPE_RIGHT | MASK_SHAPE_LEFT, ST_TRANSPARENT = MASK_TRANSPARENT, ST_NOSHAPE_DUAL = MASK_NOSHAPE | ST_DUAL, ST_NOSHAPE_NONE = MASK_NOSHAPE }; typedef le_int32 ShapeType; static void shape(const LEUnicode *chars, le_int32 offset, le_int32 charCount, le_int32 charMax, le_bool rightToLeft, LEGlyphStorage &glyphStorage); static const FeatureMap *getFeatureMap(le_int32 &count); private: // forbid instantiation ArabicShaping(); static ShapeType getShapeType(LEUnicode c); static const le_uint8 shapingTypeTable[]; static const size_t shapingTypeTableLen; static const ShapeType shapeTypes[]; static void adjustTags(le_int32 outIndex, le_int32 shapeOffset, LEGlyphStorage &glyphStorage); }; U_NAMESPACE_END #endif