| /* |
| * 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. 1998-2004 - All Rights Reserved |
| * |
| */ |
| |
| #ifndef __LOOKUPTABLES_H |
| #define __LOOKUPTABLES_H |
| |
| /** |
| * \file |
| * \internal |
| */ |
| |
| #include "LETypes.h" |
| #include "LayoutTables.h" |
| #include "LETableReference.h" |
| |
| U_NAMESPACE_BEGIN |
| |
| enum LookupTableFormat |
| { |
| ltfSimpleArray = 0, |
| ltfSegmentSingle = 2, |
| ltfSegmentArray = 4, |
| ltfSingleTable = 6, |
| ltfTrimmedArray = 8 |
| }; |
| |
| typedef le_int16 LookupValue; |
| |
| struct LookupTable |
| { |
| le_int16 format; |
| }; |
| |
| struct LookupSegment |
| { |
| TTGlyphID lastGlyph; |
| TTGlyphID firstGlyph; |
| LookupValue value; |
| }; |
| |
| struct LookupSingle |
| { |
| TTGlyphID glyph; |
| LookupValue value; |
| }; |
| |
| struct BinarySearchLookupTable : LookupTable |
| { |
| le_int16 unitSize; |
| le_int16 nUnits; |
| le_int16 searchRange; |
| le_int16 entrySelector; |
| le_int16 rangeShift; |
| |
| const LookupSegment *lookupSegment(const LETableReference &base, const LookupSegment *segments, LEGlyphID glyph, LEErrorCode &success) const; |
| |
| const LookupSingle *lookupSingle(const LETableReference &base, const LookupSingle *entries, LEGlyphID glyph, LEErrorCode &success) const; |
| }; |
| |
| struct SimpleArrayLookupTable : LookupTable |
| { |
| LookupValue valueArray[ANY_NUMBER]; |
| }; |
| LE_VAR_ARRAY(SimpleArrayLookupTable, valueArray) |
| |
| struct SegmentSingleLookupTable : BinarySearchLookupTable |
| { |
| LookupSegment segments[ANY_NUMBER]; |
| }; |
| LE_VAR_ARRAY(SegmentSingleLookupTable, segments) |
| |
| struct SegmentArrayLookupTable : BinarySearchLookupTable |
| { |
| LookupSegment segments[ANY_NUMBER]; |
| }; |
| LE_VAR_ARRAY(SegmentArrayLookupTable, segments) |
| |
| struct SingleTableLookupTable : BinarySearchLookupTable |
| { |
| LookupSingle entries[ANY_NUMBER]; |
| }; |
| LE_VAR_ARRAY(SingleTableLookupTable, entries) |
| |
| struct TrimmedArrayLookupTable : LookupTable |
| { |
| TTGlyphID firstGlyph; |
| TTGlyphID glyphCount; |
| LookupValue valueArray[ANY_NUMBER]; |
| }; |
| LE_VAR_ARRAY(TrimmedArrayLookupTable, valueArray) |
| |
| U_NAMESPACE_END |
| #endif |