summaryrefslogtreecommitdiff
path: root/src/tools/uic/cpp/cppwriteicondata.cpp
blob: 26cd4b05201d405c12bde76d84dc908810761c3f (plain)
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
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the tools applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "cppwriteicondata.h"
#include "driver.h"
#include "ui4.h"
#include "uic.h"

#include <QtCore/QTextStream>

QT_BEGIN_NAMESPACE

namespace CPP {

static QByteArray transformImageData(QString data)
{
    int baSize = data.length() / 2;
    uchar *ba = new uchar[baSize];
    for (int i = 0; i < baSize; ++i) {
        char h = data[2 * (i)].toLatin1();
        char l = data[2 * (i) + 1].toLatin1();
        uchar r = 0;
        if (h <= '9')
            r += h - '0';
        else
            r += h - 'a' + 10;
        r = r << 4;
        if (l <= '9')
            r += l - '0';
        else
            r += l - 'a' + 10;
        ba[i] = r;
    }
    QByteArray ret(reinterpret_cast<const char *>(ba), baSize);
    delete [] ba;
    return ret;
}

static QByteArray unzipXPM(QString data, ulong& length)
{
#ifndef QT_NO_COMPRESS
    const int lengthOffset = 4;
    QByteArray ba(lengthOffset, ' ');

    // qUncompress() expects the first 4 bytes to be the expected length of the
    // uncompressed data
    ba[0] = (length & 0xff000000) >> 24;
    ba[1] = (length & 0x00ff0000) >> 16;
    ba[2] = (length & 0x0000ff00) >> 8;
    ba[3] = (length & 0x000000ff);
    ba.append(transformImageData(data));
    QByteArray baunzip = qUncompress(ba);
    return baunzip;
#else
    Q_UNUSED(data);
    Q_UNUSED(length);
    return QByteArray();
#endif
}


WriteIconData::WriteIconData(Uic *uic)
    : driver(uic->driver()), output(uic->output()), option(uic->option())
{
}

void WriteIconData::acceptUI(DomUI *node)
{
    TreeWalker::acceptUI(node);
}

void WriteIconData::acceptImages(DomImages *images)
{
    TreeWalker::acceptImages(images);
}

void WriteIconData::acceptImage(DomImage *image)
{
    writeImage(output, option.indent, image);
}

void WriteIconData::writeImage(QTextStream &output, const QString &indent, DomImage *image)
{
    QString img = image->attributeName() + QLatin1String("_data");
    QString data = image->elementData()->text();
    QString fmt = image->elementData()->attributeFormat();
    int size = image->elementData()->attributeLength();

    if (fmt == QLatin1String("XPM.GZ")) {
        ulong length = size;
        QByteArray baunzip = unzipXPM(data, length);
        length = baunzip.size();
        // shouldn't we test the initial 'length' against the
        // resulting 'length' to catch corrupt UIC files?
        int a = 0;
        int column = 0;
        bool inQuote = false;
        output << indent << "static const char* const " << img << "[] = { \n";
        while (baunzip[a] != '\"')
            a++;
        for (; a < (int) length; a++) {
            output << baunzip[a];
            if (baunzip[a] == '\n') {
                column = 0;
            } else if (baunzip[a] == '"') {
                inQuote = !inQuote;
            }

            if (column++ >= 511 && inQuote) {
                output << "\"\n\""; // be nice with MSVC & Co.
                column = 1;
            }
        }

        if (! baunzip.trimmed ().endsWith ("};"))
            output << "};";

        output << "\n\n";
    } else {
        output << indent << "static const unsigned char " << img << "[] = { \n";
        output << indent;
        int a ;
        for (a = 0; a < (int) (data.length()/2)-1; a++) {
            output << "0x" << QString(data[2*a]) << QString(data[2*a+1]) << ',';
            if (a % 12 == 11)
                output << "\n" << indent;
            else
                output << " ";
        }
        output << "0x" << QString(data[2*a]) << QString(data[2*a+1]) << '\n';
        output << "};\n\n";
    }
}

void WriteIconData::writeImage(QIODevice &output, DomImage *image)
{
    QByteArray array = transformImageData(image->elementData()->text());
    output.write(array, array.size());
}

} // namespace CPP

QT_END_NAMESPACE