217 lines
7.7 KiB
C++
217 lines
7.7 KiB
C++
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/****************************************************************************
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**
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/
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**
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** This file is part of the utils of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <qbytearray.h>
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#include <qlist.h>
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#include <qmap.h>
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#include <qfile.h>
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static QByteArray fileVersion;
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static QList<QByteArray> glyphNames;
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static QList<ushort> glyphNameOffsets;
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static QMap<ushort, ushort> uni_to_agl_map; // sort by code point for bsearch
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static void readGlyphList()
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{
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qDebug("Reading aglfn.txt:");
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QFile f("data/aglfn.txt");
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if (!f.exists())
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qFatal("Couldn't find aglfn.txt");
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f.open(QFile::ReadOnly);
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glyphNames.append(".notdef");
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glyphNameOffsets.append(0);
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uni_to_agl_map.insert(0, 0);
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while (!f.atEnd()) {
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QByteArray line;
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line.resize(1024);
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int len = f.readLine(line.data(), 1024);
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line.resize(len-1);
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int comment = line.indexOf('#');
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if (comment != -1) {
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if (fileVersion.isEmpty()) {
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int commentTableVersion = line.indexOf("Table version:", comment);
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if (commentTableVersion != -1)
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fileVersion = line.mid(commentTableVersion + 15).trimmed();
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}
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line = line.left(comment);
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}
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line = line.trimmed();
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if (line.isEmpty())
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continue;
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QList<QByteArray> l = line.split(';');
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Q_ASSERT(l.size() == 3);
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bool ok;
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ushort codepoint = l[0].toUShort(&ok, 16);
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Q_ASSERT(ok);
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QByteArray glyphName = l[1].trimmed();
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int glyphIndex = glyphNames.indexOf(glyphName);
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if (glyphIndex == -1) {
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glyphIndex = glyphNames.size();
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glyphNameOffsets.append(glyphNameOffsets.last() + glyphNames.last().size() + 1);
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glyphNames.append(glyphName);
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}
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uni_to_agl_map.insert(codepoint, glyphIndex);
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}
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qDebug(" %d unique glyph names found", glyphNames.size());
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}
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static QByteArray createGlyphList()
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{
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qDebug("createGlyphList:");
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QByteArray out;
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out += "static const char glyph_names[] =\n\"";
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int linelen = 2;
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for (int i = 0; i < glyphNames.size(); ++i) {
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if (linelen + glyphNames.at(i).size() + 2 >= 80) {
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linelen = 2;
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out += "\"\n\"";
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}
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linelen += glyphNames.at(i).size() + 2;
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out += glyphNames.at(i) + "\\0";
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}
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if (out.endsWith("\""))
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out.chop(2);
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out += "\"\n;\n\n";
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out += "struct AGLEntry {\n"
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" unsigned short uc;\n"
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" unsigned short index;\n"
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"};\n"
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"\n"
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"inline bool operator<(unsigned short uc, AGLEntry entry)\n"
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"{ return uc < entry.uc; }\n"
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"inline bool operator<(AGLEntry entry, unsigned short uc)\n"
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"{ return entry.uc < uc; }\n"
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"\n"
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"static const AGLEntry unicode_to_agl_map[] = {";
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int i = 0;
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QMap<ushort, ushort>::const_iterator it = uni_to_agl_map.constBegin();
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while (it != uni_to_agl_map.constEnd()) {
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if (i++ % 4 == 0)
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out += "\n ";
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out += " { 0x" + QByteArray::number(it.key(), 16).rightJustified(4, '0') + ", ";
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out += QByteArray::number(glyphNameOffsets.at(it.value())).leftJustified(4, ' ') + " },";
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++it;
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}
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out.chop(1);
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out += "\n};\n\n";
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out += "enum { unicode_to_agl_map_size = sizeof(unicode_to_agl_map) / sizeof(unicode_to_agl_map[0]) };\n\n";
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qDebug(" Glyph names list uses : %d bytes", glyphNameOffsets.last() + glyphNames.last().size() + 1);
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qDebug(" Unicode to Glyph names map uses : %d bytes", uni_to_agl_map.size()*4);
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return out;
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}
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int main(int, char **)
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{
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readGlyphList();
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QByteArray header =
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"/****************************************************************************\n"
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"**\n"
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"** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).\n"
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"** Contact: http://www.qt-project.org/\n"
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"**\n"
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"** This file is part of the QtGui module of the Qt Toolkit.\n"
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"**\n"
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"** $QT_BEGIN_LICENSE:LGPL$\n"
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"** GNU Lesser General Public License Usage\n"
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"** This file may be used under the terms of the GNU Lesser General Public\n"
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"** License version 2.1 as published by the Free Software Foundation and\n"
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"** appearing in the file LICENSE.LGPL included in the packaging of this\n"
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"** file. Please review the following information to ensure the GNU Lesser\n"
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"** General Public License version 2.1 requirements will be met:\n"
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"** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.\n"
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"**\n"
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"** In addition, as a special exception, Nokia gives you certain additional\n"
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"** rights. These rights are described in the Nokia Qt LGPL Exception\n"
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"** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.\n"
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"**\n"
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"** GNU General Public License Usage\n"
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"** Alternatively, this file may be used under the terms of the GNU General\n"
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"** Public License version 3.0 as published by the Free Software Foundation\n"
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"** and appearing in the file LICENSE.GPL included in the packaging of this\n"
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"** file. Please review the following information to ensure the GNU General\n"
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"** Public License version 3.0 requirements will be met:\n"
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"** http://www.gnu.org/copyleft/gpl.html.\n"
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"**\n"
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"** Other Usage\n"
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"** Alternatively, this file may be used in accordance with the terms and\n"
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"** conditions contained in a signed written agreement between you and Nokia.\n"
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"**\n"
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"**\n"
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"**\n"
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"**\n"
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"**\n"
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"**\n"
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"** $QT_END_LICENSE$\n"
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"**\n"
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"****************************************************************************/\n\n";
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QByteArray note =
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"/* This file is autogenerated from the Adobe Glyph List database" +
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(!fileVersion.isEmpty() ? " v" + fileVersion : "") + ". Do not edit */\n\n";
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QFile f("../../src/gui/text/qfontsubset_agl.cpp");
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f.open(QFile::WriteOnly|QFile::Truncate);
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f.write(header);
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f.write(note);
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f.write("namespace {\n\n");
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f.write(createGlyphList());
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f.write("}\n");
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f.close();
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}
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