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tqt3/src/codecs/qfontlaocodec.cpp

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/****************************************************************************
**
** Font utilities for X11
**
** Created : 20001101
**
** 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 requirements 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
static unsigned char const unicode_to_mulelao[256] =
{
// U+0E80
0x00, 0xa1, 0xa2, 0x00, 0xa4, 0x00, 0x00, 0xa7,
0xa8, 0x00, 0xaa, 0x00, 0x00, 0xad, 0x00, 0x00,
// U+0E90
0x00, 0x00, 0x00, 0x00, 0xb4, 0xb5, 0xb6, 0xb7,
0x00, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
// U+0EA0
0x00, 0xc1, 0xc2, 0xc3, 0x00, 0xc5, 0x00, 0xc7,
0x00, 0x00, 0xca, 0xcb, 0x00, 0xcd, 0xce, 0xcf,
// U+0EB0
0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
0xd8, 0xd9, 0x00, 0xdb, 0xdc, 0xdd, 0x00, 0x00,
// U+0EC0
0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0x00, 0xe6, 0x00,
0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0x00, 0x00,
// U+0ED0
0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
0xf8, 0xf9, 0x00, 0x00, 0xfc, 0xfd, 0x00, 0x00,
// U+0EE0
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
// U+0EF0
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
TQFontLaoCodec::TQFontLaoCodec()
{
}
const char *TQFontLaoCodec::name() const
{
return "mulelao-1";
}
int TQFontLaoCodec::mibEnum() const
{
return -4242;
}
unsigned short TQFontLaoCodec::characterFromUnicode(const TQString &str, int pos) const
{
const TQChar * const ch = str.unicode() + pos;
if (ch->unicode() < 0x80)
return ch->unicode();
if ( ch->unicode() >= 0x0e80 && ch->unicode() <= 0x0eff )
return unicode_to_mulelao[ch->unicode() - 0x0e80];
return 0;
}
TQCString TQFontLaoCodec::fromUnicode(const TQString& uc, int& lenInOut ) const
{
TQCString rstring( lenInOut+1 );
uchar *rdata = (uchar *) rstring.data();
const TQChar *sdata = uc.unicode();
int i = 0;
for ( ; i < lenInOut; ++i, ++sdata, ++rdata ) {
if ( sdata->unicode() < 0x80 ) {
*rdata = (uchar) sdata->unicode();
} else if ( sdata->unicode() >= 0x0e80 && sdata->unicode() <= 0x0eff ) {
uchar lao = unicode_to_mulelao[sdata->unicode() - 0x0e80];
if ( lao )
*rdata = lao;
else
*rdata = '?';
} else {
*rdata = '?';
}
}
*rdata = 0u;
return rstring;
}
void TQFontLaoCodec::fromUnicode(const TQChar *in, unsigned short *out, int length) const
{
while (length--) {
if ( in->unicode() < 0x80 ) {
*out = (uchar) in->unicode();
} else if ( in->unicode() >= 0x0e80 && in->unicode() <= 0x0eff ) {
*out = unicode_to_mulelao[in->unicode() - 0x0e80];
} else {
*out = 0;
}
++in;
++out;
}
}
int TQFontLaoCodec::heuristicContentMatch(const char *, int) const
{
return -1;
}
bool TQFontLaoCodec::canEncode( TQChar ch ) const
{
return ( ch.unicode() < 0x80 ||
unicode_to_mulelao[ch.unicode() - 0x0e80] != 0x00 );
}
#endif // QT_NO_BIG_CODECS
#endif // QT_NO_CODECS