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329 lines
8.3 KiB
329 lines
8.3 KiB
/****************************************************************************
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**
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** Chinese 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 TQt 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 TQt 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.TQPL
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** included in the packaging of this file. Licensees holding valid TQt
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** Commercial licenses may use this file in accordance with the TQt
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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 TQT_NO_CODECS
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#ifndef TQT_NO_BIG_CODECS
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extern int qt_UnicodeToGbk(uint unicode, uchar *gbchar);
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int TQFontGb2312Codec::heuristicContentMatch(const char *, int) const
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{
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return 0;
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}
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TQFontGb2312Codec::TQFontGb2312Codec()
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{
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//tqDebug("TQFontGb2312Codec::TQFontGb2312Codec()");
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}
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const char* TQFontGb2312Codec::name() const
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{
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//tqDebug("TQFontGb2312Codec::name() = \"gb2312.1980-0\"");
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return "gb2312.1980-0";
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}
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int TQFontGb2312Codec::mibEnum() const
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{
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//tqDebug("TQFontGb2312Codec::mibEnum() = 57");
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return 57;
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}
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TQString TQFontGb2312Codec::toUnicode(const char* /*chars*/, int /*len*/) const
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{
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return TQString::null;
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}
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unsigned short TQFontGb2312Codec::characterFromUnicode(const TQString &str, int pos) const
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{
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uchar buf[4];
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int len = qt_UnicodeToGbk((str.unicode() + pos)->unicode(), buf);
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if (len == 2 && buf[0] > 0xa0 && buf[1] > 0xa0)
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return ((buf[0] & 0x7f) << 8) + (buf[1] & 0x7f);
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return 0;
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}
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TQCString TQFontGb2312Codec::fromUnicode(const TQString& uc, int& lenInOut ) const
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{
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TQCString result(lenInOut * 2 + 1);
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uchar *rdata = (uchar *) result.data();
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const TQChar *ucp = uc.unicode();
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//tqDebug("TQFontGb2312Codec::fromUnicode(const TQString& uc, int& lenInOut = %d)", lenInOut);
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for ( int i = 0; i < lenInOut; i++ ) {
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TQChar ch(*ucp++);
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uchar buf[8];
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int len = qt_UnicodeToGbk( ch.unicode(), buf );
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if ( len == 2 && buf[0] > 0xa0 && buf[1] > 0xa0 ) {
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*rdata++ = buf[0] & 0x7f;
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*rdata++ = buf[1] & 0x7f;
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} else {
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//white square
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*rdata++ = 0x21;
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*rdata++ = 0x75;
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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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void TQFontGb2312Codec::fromUnicode(const TQChar *in, unsigned short *out, int length) const
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{
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int len;
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uchar buf[8];
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while (length--) {
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len = qt_UnicodeToGbk(in->unicode(), buf);
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if ( len == 2 && buf[0] > 0xa0 && buf[1] > 0xa0 ) {
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*out = (((buf[0] << 8) | buf[1]) & 0x7f7f);
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} else {
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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 TQFontGb2312Codec::canEncode( TQChar ch ) const
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{
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uchar buf[4];
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int len = qt_UnicodeToGbk( ch.unicode(), buf );
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//tqDebug("TQFontGb2312Codec::canEncode( TQChar ch = %02X%02X )", ch.row(), ch.cell());
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return ( len == 2 && buf[0] > 0xa0 && buf[1] > 0xa0 );
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}
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//==========================================================================
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int TQFontGbkCodec::heuristicContentMatch(const char *, int) const
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{
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return 0;
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}
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int TQFontGbkCodec::heuristicNameMatch(const char* hint) const
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{
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//tqDebug("TQFontGbkCodec::heuristicNameMatch(const char* hint = \"%s\")", hint);
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return ( tqstricmp(hint, "gbk-0") == 0 ||
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tqstricmp(hint, "gb18030.2000-0") == 0 )
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? 13 : 0;
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}
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TQFontGbkCodec::TQFontGbkCodec()
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{
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//tqDebug("TQFontGbkCodec::TQFontGbkCodec()");
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}
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const char* TQFontGbkCodec::name() const
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{
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//tqDebug("TQFontGbkCodec::name() = \"gbk-0\"");
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return "gbk-0";
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}
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int TQFontGbkCodec::mibEnum() const
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{
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//tqDebug("TQFontGbkCodec::mibEnum() = -113");
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return -113;
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}
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TQString TQFontGbkCodec::toUnicode(const char* /*chars*/, int /*len*/) const
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{
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return TQString::null;
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}
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unsigned short TQFontGbkCodec::characterFromUnicode(const TQString &str, int pos) const
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{
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uchar buf[4];
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int len = qt_UnicodeToGbk((str.unicode() + pos)->unicode(), buf);
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if (len == 2)
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return (buf[0] << 8) + buf[1];
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return 0;
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}
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TQCString TQFontGbkCodec::fromUnicode(const TQString& uc, int& lenInOut ) const
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{
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TQCString result(lenInOut * 2 + 1);
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uchar *rdata = (uchar *) result.data();
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const TQChar *ucp = uc.unicode();
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//tqDebug("TQFontGbkCodec::fromUnicode(const TQString& uc, int& lenInOut = %d)", lenInOut);
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for ( int i = 0; i < lenInOut; i++ ) {
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TQChar ch(*ucp++);
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uchar buf[8];
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int len = qt_UnicodeToGbk( ch.unicode(), buf );
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if ( len == 2 ) {
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*rdata++ = buf[0];
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*rdata++ = buf[1];
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} else {
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//white square
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*rdata++ = 0xa1;
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*rdata++ = 0xf5;
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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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void TQFontGbkCodec::fromUnicode(const TQChar *in, unsigned short *out, int length) const
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{
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uchar buf[8];
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while (length--) {
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*out++ = (qt_UnicodeToGbk(in->unicode(), buf) == 2) ? (buf[0] << 8) | buf[1] : 0;
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++in;
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}
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}
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bool TQFontGbkCodec::canEncode( TQChar ch ) const
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{
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if (ch.unicode() >= 0x4e00 && ch.unicode() <= 0x9fa5)
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return TRUE;
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uchar buf[4];
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int len = qt_UnicodeToGbk( ch.unicode(), buf );
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//tqDebug("TQFontGbkCodec::canEncode( TQChar ch = %02X%02X )", ch.row(), ch.cell());
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return ( len == 2 );
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}
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//==========================================================================
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int TQFontGb18030_0Codec::heuristicContentMatch(const char *, int) const
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{
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return 0;
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}
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TQFontGb18030_0Codec::TQFontGb18030_0Codec()
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{
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//tqDebug("TQFontGb18030_0Codec::TQFontGb18030_0Codec()");
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}
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const char* TQFontGb18030_0Codec::name() const
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{
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//tqDebug("TQFontGb18030_0Codec::name() = \"gb18030-0\"");
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return "gb18030-0";
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}
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int TQFontGb18030_0Codec::mibEnum() const
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{
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//tqDebug("TQFontGb18030_0Codec::mibEnum() = -114");
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return -114;
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}
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TQString TQFontGb18030_0Codec::toUnicode(const char* /*chars*/, int /*len*/) const
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{
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return TQString::null;
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}
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unsigned short
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TQFontGb18030_0Codec::characterFromUnicode(const TQString &str, int pos) const
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{
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const TQChar * const ch = str.unicode() + pos;
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if (ch->row () > 0 && !(ch->row () >= 0xd8 && ch->row () < 0xe0))
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return ch->unicode();
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return 0;
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}
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TQCString TQFontGb18030_0Codec::fromUnicode(const TQString& uc, int& lenInOut ) const
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{
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TQCString result(lenInOut * 2 + 1);
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uchar *rdata = (uchar *) result.data();
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const TQChar *ucp = uc.unicode();
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//tqDebug("TQFontGb18030_0Codec::fromUnicode(const TQString& uc, int& lenInOut = %d)", lenInOut);
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for ( int i = 0; i < lenInOut; i++ ) {
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TQChar ch(*ucp++);
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if (ch.row () > 0 && !(ch.row () >= 0xd8 && ch.row () < 0xe0)) {
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*rdata++ = ch.row();
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*rdata++ = ch.cell();
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} else {
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*rdata++ = 0xff;
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*rdata++ = 0xfd;
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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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void TQFontGb18030_0Codec::fromUnicode(const TQChar *in, unsigned short *out, int length) const
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{
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while (length--) {
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*out = ((in->row () > 0 && !(in->row () >= 0xd8 && in->row () < 0xe0))
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? in->unicode() : 0);
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++in;
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++out;
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}
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}
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bool TQFontGb18030_0Codec::canEncode( TQChar ch ) const
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{
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//tqDebug("TQFontGb18030_0Codec::canEncode( TQChar ch = %02X%02X )", ch.row(), ch.cell());
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return (ch.row () > 0 && !(ch.row () >= 0xd8 && ch.row () < 0xe0));
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}
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//==========================================================================
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#endif // TQT_NO_BIG_CODECS
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#endif // TQT_NO_CODECS
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