1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#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 =
"// Copyright (C) 2016 The Qt Company Ltd.\n"
"// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only\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();
}
|
