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