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163 lines
4.4 KiB
163 lines
4.4 KiB
/****************************************************************************
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**
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** Taiwan Font utilities for X11
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**
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** Created : 20010130
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**
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** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of the tools module of the Qt GUI Toolkit.
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**
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** This file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free
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** Software Foundation and appearing in the files LICENSE.GPL2
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** and LICENSE.GPL3 included in the packaging of this file.
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** Alternatively you may (at your option) use any later version
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** of the GNU General Public License if such license has been
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** publicly approved by Trolltech ASA (or its successors, if any)
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** and the KDE Free Qt Foundation.
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**
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** Please review the following information to ensure GNU General
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** Public Licensing requirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/.
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** This file may be used under the terms of the Q Public License as
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** defined by Trolltech ASA and appearing in the file LICENSE.QPL
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** included in the packaging of this file. Licensees holding valid Qt
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** Commercial licenses may use this file in accordance with the Qt
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** Commercial License Agreement provided with the Software.
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**
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** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
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** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
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** herein.
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**
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**********************************************************************/
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#include "private/qfontcodecs_p.h"
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#ifndef QT_NO_CODECS
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#ifndef QT_NO_BIG_CODECS
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extern int qt_UnicodeToBig5hkscs(uint wc, uchar *r);
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int QFontBig5Codec::heuristicContentMatch(const char *, int) const
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{
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return 0;
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}
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int QFontBig5Codec::heuristicNameMatch(const char* hint) const
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{
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//qDebug("QFontBig5Codec::heuristicNameMatch(const char* hint = \"%s\")", hint);
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return ( qstricmp(hint, "big5-0") == 0 ||
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qstricmp(hint, "big5.eten-0") == 0 )
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? 13 : 0;
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}
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QFontBig5Codec::QFontBig5Codec()
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{
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//qDebug("QFontBig5Codec::QFontBig5Codec()");
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}
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const char* QFontBig5Codec::name() const
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{
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//qDebug("QFontBig5Codec::name() = \"big5-0\"");
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return "big5-0";
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}
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int QFontBig5Codec::mibEnum() const
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{
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//qDebug("QFontBig5Codec::mibEnum() = -2026");
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return -2026;
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}
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QString QFontBig5Codec::toUnicode(const char* /*chars*/, int /*len*/) const
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{
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return QString::null;
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}
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unsigned short QFontBig5Codec::characterFromUnicode(const QString &str, int pos) const
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{
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uchar c[2];
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if (qt_UnicodeToBig5hkscs((str.unicode() + pos)->unicode(), c) == 2 &&
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c[0] >= 0xa1 && c[0] <= 0xf9 )
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return (c[0] << 8) + c[1];
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return 0;
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}
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QCString QFontBig5Codec::fromUnicode(const QString& uc, int& lenInOut ) const
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{
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//qDebug("QFontBig5Codec::fromUnicode(const QString& uc, int& lenInOut = %d)", lenInOut);
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QCString result(lenInOut * 2 + 1);
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uchar *rdata = (uchar *) result.data();
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const QChar *ucp = uc.unicode();
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for ( int i = 0; i < lenInOut; i++ ) {
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QChar ch(*ucp++);
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uchar c[2];
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#if 0
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if ( ch.row() == 0) {
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if ( ch.cell() == ' ' )
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ch = QChar( 0x3000 );
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else if ( ch.cell() > ' ' && ch.cell() < 127 )
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ch = QChar( ch.cell()-' ', 255 );
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}
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#endif
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if ( qt_UnicodeToBig5hkscs( ch.unicode(), c ) == 2 &&
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c[0] >= 0xa1 && c[0] <= 0xf9 ) {
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*rdata++ = c[0];
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*rdata++ = c[1];
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} else {
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//white square
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*rdata++ = 0xa1;
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*rdata++ = 0xbc;
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}
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}
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lenInOut *=2;
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return result;
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}
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/*! \internal */
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void QFontBig5Codec::fromUnicode(const QChar *in, unsigned short *out, int length) const
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{
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uchar c[2];
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while (length--) {
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if ( in->row() == 0x00 && in->cell() < 0x80 ) {
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// ASCII
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*out = in->cell();
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} else if ( qt_UnicodeToBig5hkscs( in->unicode(), c ) == 2
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&& c[0] >= 0xa1 && c[0] <= 0xf9 ) {
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// Big5-ETen
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*out = (c[0] << 8) | c[1];
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} else {
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// Unknown char
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*out = 0;
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}
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++in;
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++out;
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}
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}
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bool QFontBig5Codec::canEncode( QChar ch ) const
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{
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//qDebug("QFontBig5Codec::canEncode( QChar ch = %02X%02X )", ch.row(), ch.cell());
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uchar c[2];
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return ( qt_UnicodeToBig5hkscs( ch.unicode(), c ) == 2 &&
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c[0] >= 0xa1 && c[0] <= 0xf9 );
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}
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#endif // QT_NO_BIG_CODECS
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#endif // QT_NO_CODECS
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