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Diffstat (limited to 'src/codecs/qfonttwcodec.cpp')
| -rw-r--r-- | src/codecs/qfonttwcodec.cpp | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/src/codecs/qfonttwcodec.cpp b/src/codecs/qfonttwcodec.cpp new file mode 100644 index 000000000..53aef7168 --- /dev/null +++ b/src/codecs/qfonttwcodec.cpp @@ -0,0 +1,162 @@ +/**************************************************************************** +** +** Taiwan Font utilities for X11 +** +** Created : 20010130 +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of the tools module of the TQt GUI Toolkit. +** +** This file may be used under the terms of the GNU General +** Public License versions 2.0 or 3.0 as published by the Free +** Software Foundation and appearing in the files LICENSE.GPL2 +** and LICENSE.GPL3 included in the packaging of this file. +** Alternatively you may (at your option) use any later version +** of the GNU General Public License if such license has been +** publicly approved by Trolltech ASA (or its successors, if any) +** and the KDE Free TQt Foundation. +** +** Please review the following information to ensure GNU General +** Public Licensing retquirements will be met: +** http://trolltech.com/products/qt/licenses/licensing/opensource/. +** If you are unsure which license is appropriate for your use, please +** review the following information: +** http://trolltech.com/products/qt/licenses/licensing/licensingoverview +** or contact the sales department at sales@trolltech.com. +** +** This file may be used under the terms of the Q Public License as +** defined by Trolltech ASA and appearing in the file LICENSE.TQPL +** included in the packaging of this file. Licensees holding valid TQt +** Commercial licenses may use this file in accordance with the TQt +** Commercial License Agreement provided with the Software. +** +** This file is provided "AS IS" with NO WARRANTY OF ANY KIND, +** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted +** herein. +** +**********************************************************************/ + +#include "private/qfontcodecs_p.h" + +#ifndef QT_NO_CODECS +#ifndef QT_NO_BIG_CODECS + +extern int qt_UnicodeToBig5hkscs(uint wc, uchar *r); + + +int TQFontBig5Codec::heuristicContentMatch(const char *, int) const +{ + return 0; +} + + +int TQFontBig5Codec::heuristicNameMatch(const char* hint) const +{ + //qDebug("TQFontBig5Codec::heuristicNameMatch(const char* hint = \"%s\")", hint); + return ( qstricmp(hint, "big5-0") == 0 || + qstricmp(hint, "big5.eten-0") == 0 ) + ? 13 : 0; +} + + +TQFontBig5Codec::TQFontBig5Codec() +{ + //qDebug("TQFontBig5Codec::TQFontBig5Codec()"); +} + + +const char* TQFontBig5Codec::name() const +{ + //qDebug("TQFontBig5Codec::name() = \"big5-0\""); + return "big5-0"; +} + + +int TQFontBig5Codec::mibEnum() const +{ + //qDebug("TQFontBig5Codec::mibEnum() = -2026"); + return -2026; +} + + +TQString TQFontBig5Codec::toUnicode(const char* /*chars*/, int /*len*/) const +{ + return TQString::null; +} + +unsigned short TQFontBig5Codec::characterFromUnicode(const TQString &str, int pos) const +{ + uchar c[2]; + if (qt_UnicodeToBig5hkscs((str.unicode() + pos)->unicode(), c) == 2 && + c[0] >= 0xa1 && c[0] <= 0xf9 ) + return (c[0] << 8) + c[1]; + return 0; +} + +TQCString TQFontBig5Codec::fromUnicode(const TQString& uc, int& lenInOut ) const +{ + //qDebug("TQFontBig5Codec::fromUnicode(const TQString& uc, int& lenInOut = %d)", lenInOut); + TQCString result(lenInOut * 2 + 1); + uchar *rdata = (uchar *) result.data(); + const TQChar *ucp = uc.unicode(); + + for ( int i = 0; i < lenInOut; i++ ) { + TQChar ch(*ucp++); + uchar c[2]; + +#if 0 + if ( ch.row() == 0) { + if ( ch.cell() == ' ' ) + ch = TQChar( 0x3000 ); + else if ( ch.cell() > ' ' && ch.cell() < 127 ) + ch = TQChar( ch.cell()-' ', 255 ); + } +#endif + if ( qt_UnicodeToBig5hkscs( ch.unicode(), c ) == 2 && + c[0] >= 0xa1 && c[0] <= 0xf9 ) { + *rdata++ = c[0]; + *rdata++ = c[1]; + } else { + //white square + *rdata++ = 0xa1; + *rdata++ = 0xbc; + } + } + lenInOut *=2; + return result; +} + +/*! \internal */ +void TQFontBig5Codec::fromUnicode(const TQChar *in, unsigned short *out, int length) const +{ + uchar c[2]; + while (length--) { + if ( in->row() == 0x00 && in->cell() < 0x80 ) { + // ASCII + *out = in->cell(); + } else if ( qt_UnicodeToBig5hkscs( in->unicode(), c ) == 2 + && c[0] >= 0xa1 && c[0] <= 0xf9 ) { + // Big5-ETen + *out = (c[0] << 8) | c[1]; + } else { + // Unknown char + *out = 0; + } + + ++in; + ++out; + } +} + +bool TQFontBig5Codec::canEncode( TQChar ch ) const +{ + //qDebug("TQFontBig5Codec::canEncode( TQChar ch = %02X%02X )", ch.row(), ch.cell()); + uchar c[2]; + return ( qt_UnicodeToBig5hkscs( ch.unicode(), c ) == 2 && + c[0] >= 0xa1 && c[0] <= 0xf9 ); +} + +#endif // QT_NO_BIG_CODECS +#endif // QT_NO_CODECS |