0N/A/*
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
2362N/A * published by the Free Software Foundation. Oracle designates this
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
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A *
0N/A */
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#include "LETypes.h"
0N/A#include "LEGlyphStorage.h"
0N/A#include "CanonShaping.h"
0N/A#include "GlyphDefinitionTables.h"
0N/A#include "ClassDefinitionTables.h"
0N/A
1693N/AU_NAMESPACE_BEGIN
1693N/A
1693N/Avoid CanonShaping::sortMarks(le_int32 *indices, const le_int32 *combiningClasses, le_int32 index, le_int32 limit)
0N/A{
0N/A for (le_int32 j = index + 1; j < limit; j += 1) {
0N/A le_int32 i;
0N/A le_int32 v = indices[j];
0N/A le_int32 c = combiningClasses[v];
0N/A
0N/A for (i = j - 1; i >= index; i -= 1) {
0N/A if (c >= combiningClasses[indices[i]]) {
0N/A break;
0N/A }
0N/A
0N/A indices[i + 1] = indices[i];
0N/A }
0N/A
0N/A indices[i + 1] = v;
0N/A }
0N/A}
0N/A
1693N/Avoid CanonShaping::reorderMarks(const LEUnicode *inChars, le_int32 charCount, le_bool rightToLeft,
1693N/A LEUnicode *outChars, LEGlyphStorage &glyphStorage)
0N/A{
5980N/A LEErrorCode success = LE_NO_ERROR;
5980N/A LEReferenceTo<GlyphDefinitionTableHeader> gdefTable(CanonShaping::glyphDefinitionTable, CanonShaping::glyphDefinitionTableLen);
5980N/A LEReferenceTo<ClassDefinitionTable> classTable = gdefTable->getMarkAttachClassDefinitionTable(gdefTable, success);
0N/A le_int32 *combiningClasses = LE_NEW_ARRAY(le_int32, charCount);
0N/A le_int32 *indices = LE_NEW_ARRAY(le_int32, charCount);
0N/A le_int32 i;
0N/A
0N/A for (i = 0; i < charCount; i += 1) {
5980N/A combiningClasses[i] = classTable->getGlyphClass(classTable, (LEGlyphID) inChars[i], success);
0N/A indices[i] = i;
0N/A }
0N/A
0N/A for (i = 0; i < charCount; i += 1) {
0N/A if (combiningClasses[i] != 0) {
0N/A le_int32 mark;
0N/A
0N/A for (mark = i; mark < charCount; mark += 1) {
0N/A if (combiningClasses[mark] == 0) {
0N/A break;
0N/A }
0N/A }
0N/A
0N/A sortMarks(indices, combiningClasses, i, mark);
0N/A }
0N/A }
0N/A
0N/A le_int32 out = 0, dir = 1;
0N/A
0N/A if (rightToLeft) {
0N/A out = charCount - 1;
0N/A dir = -1;
0N/A }
0N/A
0N/A for (i = 0; i < charCount; i += 1, out += dir) {
0N/A le_int32 index = indices[i];
0N/A
0N/A outChars[i] = inChars[index];
5980N/A glyphStorage.setCharIndex(out, index, success);
0N/A }
0N/A
0N/A LE_DELETE_ARRAY(indices);
0N/A LE_DELETE_ARRAY(combiningClasses);
0N/A}
1693N/A
1693N/AU_NAMESPACE_END