summaryrefslogtreecommitdiffstats
path: root/util/s60theme/s60themeconvert.cpp
blob: 99f41c2a7b54fd259b27b2ac017960b92f180bf3 (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
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the tools applications 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 "s60themeconvert.h"

#include <QtGui>
#include <QtWebKit>

static const int pictureSize = 256;
static const char* const msgPartNotInTdf = "  Warning: The .tdf file does not have a part for ";
static const char* const msgSvgNotFound = "  Fatal: Could not find part .svg ";

void dumpPartPictures(const QHash<QString, QPicture> &partPictures) {
    foreach (const QString &partKey, partPictures.keys()) {
        QPicture partPicture = partPictures.value(partKey);
        qDebug() << partKey << partPicture.boundingRect();
        QImage image(partPicture.boundingRect().size(), QImage::Format_ARGB32);
        image.fill(Qt::transparent);
        QPainter p(&image);
        partPicture.play(&p);
        image.save(partKey + QString::fromLatin1(".png"));
    }
}

void dumpColors(const QHash<QPair<QString, int>, QColor> &colors) {
    foreach (const QColor &color, colors.values()) {
        const QPair<QString, int> key = colors.key(color);
        qDebug() << key << color;
    }
}

class WebKitSVGRenderer : public QWebView
{
    Q_OBJECT

public:
    WebKitSVGRenderer(QWidget *parent = 0);
    QPicture svgToQPicture(const QString &svgFileName);

private slots:
    void loadFinishedSlot(bool ok);

private:
    QEventLoop m_loop;
    QPicture m_result;
};

WebKitSVGRenderer::WebKitSVGRenderer(QWidget *parent)
    : QWebView(parent)
{

    connect(this, SIGNAL(loadFinished(bool)), SLOT(loadFinishedSlot(bool)));
    setFixedSize(pictureSize, pictureSize);
    QPalette pal = palette();
    pal.setColor(QPalette::Base, Qt::transparent);
    setPalette(pal);
}

QPicture WebKitSVGRenderer::svgToQPicture(const QString &svgFileName)
{
    load(QUrl::fromLocalFile(svgFileName));
    m_loop.exec();
    return m_result;
}

void WebKitSVGRenderer::loadFinishedSlot(bool ok)
{
    // crude error-checking
    if (!ok)
        qDebug() << "Failed loading " << qPrintable(url().toString());

    page()->mainFrame()->evaluateJavaScript(QString::fromLatin1(
        "document.rootElement.preserveAspectRatio.baseVal.align = SVGPreserveAspectRatio.SVG_PRESERVEASPECTRATIO_NONE;"
        "document.rootElement.style.width = '100%';"
        "document.rootElement.style.height = '100%';"
        "document.rootElement.width.baseVal.newValueSpecifiedUnits(SVGLength.SVG_LENGTHTYPE_PERCENTAGE, 100);"
        "document.rootElement.height.baseVal.newValueSpecifiedUnits(SVGLength.SVG_LENGTHTYPE_PERCENTAGE, 100);"
    ));

    m_result = QPicture(); // "Clear"
    QPainter p(&m_result);
    page()->mainFrame()->render(&p);
    p.end();
    m_result.setBoundingRect(QRect(0, 0, pictureSize, pictureSize));

    m_loop.exit();
}

QPair<QString, int> colorIdPair(const QString &colorID)
{
    QPair<QString, int> result;
    QString idText = colorID;
    idText.remove(QRegExp(QString::fromLatin1("[0-9]")));
    if (QS60Style::colorListKeys().contains(idText)) {
        QString idNumber = colorID;
        idNumber.remove(QRegExp(QString::fromLatin1("[a-zA-Z]")));
        result.first = idText;
        result.second = idNumber.toInt();
    }
    return result;
}

bool parseTdfFile(const QString &tdfFile,
        QHash<QString, QString> &partSvgs,
        QHash<QPair<QString, int>, QColor> &colors)
{
    QFile file(tdfFile);
    if (!file.open(QIODevice::ReadOnly))
        return false;

    const QLatin1String elementKey("element");
    const QLatin1String partKey("part");
    const QLatin1String elementIdKey("id");
    const QLatin1String layerKey("layer");
    const QLatin1String layerFileNameKey("filename");
    const QLatin1String layerColourrgbKey("colourrgb");
    const QString annoyingPrefix = QString::fromLatin1("S60_2_6%");

    QXmlStreamReader reader(&file);
    QString partId;
    QPair<QString, int> colorId;
    // Somebody with a sense of aesthetics may implement proper XML parsing, here.
    while (!reader.atEnd()) {
        const QXmlStreamReader::TokenType token = reader.readNext();
        switch (token) {
            case QXmlStreamReader::StartElement:
                if (reader.name() == elementKey || reader.name() == partKey) {
                    QString id = reader.attributes().value(elementIdKey).toString();
                    if (QS60Style::partKeys().contains(id))
                        partId = id;
                    else if (!id.isEmpty() && id.at(id.length()-1).isDigit())
                        colorId = colorIdPair(id);
                    else if (QS60Style::partKeys().contains(id.mid(annoyingPrefix.length())))
                        partId = id.mid(annoyingPrefix.length());
                } else if(reader.name() == layerKey) {
                    if (!partId.isEmpty()) {
                        const QString svgFile = reader.attributes().value(layerFileNameKey).toString();
                        partSvgs.insert(partId, svgFile);
                        partId.clear();
                    } else if (!colorId.first.isEmpty()) {
                        const QColor colorValue(reader.attributes().value(layerColourrgbKey).toString().toInt(NULL, 16));
                        colors.insert(colorId, colorValue);
                        colorId.first.clear();
                    }
                }
                break;
            case QXmlStreamReader::EndElement:
                if (reader.tokenString() == elementKey || reader.name() == partKey)
                    partId.clear();
                break;
            default:
                break;
        }
    }
    return true;
}

bool loadThemeFromTdf(const QString &tdfFile,
        QHash<QString, QPicture> &partPictures,
        QHash<QPair<QString, int>, QColor> &colors)
{
    QHash<QString, QString> parsedPartSvgs;
    QHash<QString, QPicture> parsedPartPictures;
    QHash<QPair<QString, int>, QColor> parsedColors;
    bool success = parseTdfFile(tdfFile, parsedPartSvgs, parsedColors);
    if (!success)
        return false;
    const QString tdfBasePath = QFileInfo(tdfFile).absolutePath();
    WebKitSVGRenderer renderer;
    foreach (const QString &partKey, QS60Style::partKeys()) {
        qDebug() << partKey;
        QString tdfFullName;
        if (parsedPartSvgs.contains(partKey)) {
            tdfFullName = tdfBasePath + QDir::separator() + parsedPartSvgs.value(partKey);
        } else {
            qWarning() << msgPartNotInTdf << partKey;
            tdfFullName = tdfBasePath + QDir::separator() + partKey + QLatin1String(".svg");
        }
        if (!QFile(tdfFullName).exists()) {
            qWarning() << msgSvgNotFound << QDir::toNativeSeparators(tdfFullName);
            return false;
        }
        const QPicture partPicture = renderer.svgToQPicture(tdfFullName);
        parsedPartPictures.insert(partKey, partPicture);
    }
//    dumpPartPictures(parsedPartPictures);
//    dumpColors(colors);
    partPictures = parsedPartPictures;
    colors = parsedColors;
    return true;
}

bool S60ThemeConvert::convertTdfToBlob(const QString &themeTdf, const QString &themeBlob)
{
    QHash<QString, QPicture> partPictures;
    QHash<QPair<QString, int>, QColor> colors;

    if (!::loadThemeFromTdf(themeTdf, partPictures, colors))
        return false;

    QS60Style style;
    style.setS60Theme(partPictures, colors);
    return style.saveS60ThemeToBlob(themeBlob);
}

bool parseDesignFile(const QString &designFile,
        QHash<QPair<QString, int>, QColor> &colors)
{
    const QLatin1String elementKey("element");
    const QLatin1String elementIdKey("id");
    const QLatin1String colorKey("defaultcolour_rgb");
    QFile file(designFile);
    if (!file.open(QIODevice::ReadOnly))
        return false;
    QXmlStreamReader reader(&file);
    QPair<QString, int> colorId;
    // Somebody with a sense of aesthetics may implement proper XML parsing, here.
    while (!reader.atEnd()) {
        const QXmlStreamReader::TokenType token = reader.readNext();
        switch (token) {
            case QXmlStreamReader::StartElement:
                if (reader.name() == elementKey) {
                    const QString colorString = reader.attributes().value(colorKey).toString();
                    if (!colorString.isEmpty()) {
                        const QString colorId = reader.attributes().value(elementIdKey).toString();
                        colors.insert(colorIdPair(colorId), colorString.toInt(NULL, 16));
                    }
                }
            default:
                break;
        }
    }
    return true;
}

bool loadDefaultTheme(const QString &themePath,
        QHash<QString, QPicture> &partPictures,
        QHash<QPair<QString, int>, QColor> &colors)
{
    const QDir dir(themePath);
    if (!dir.exists())
        return false;

    if (!parseDesignFile(themePath + QDir::separator() + QString::fromLatin1("defaultdesign.xml"), colors))
        return false;

    WebKitSVGRenderer renderer;
    foreach (const QString &partKey, QS60Style::partKeys()) {
        const QString partFileName = partKey + QLatin1String(".svg");		
        const QString partFile(dir.absolutePath() + QDir::separator() + partFileName);
        if (!QFile::exists(partFile)) {
            qWarning() << msgSvgNotFound << partFileName;
            return false;
        }
        const QPicture partPicture = renderer.svgToQPicture(partFile);
        partPictures.insert(partKey, partPicture);
    }
    return true;
}

bool S60ThemeConvert::convertDefaultThemeToBlob(const QString &themePath, const QString &themeBlob)
{
    QHash<QString, QPicture> partPictures;
    QHash<QPair<QString, int>, QColor> colors;

    if (!::loadDefaultTheme(themePath, partPictures, colors))
        return false;

    QS60Style style;
    style.setS60Theme(partPictures, colors);
    return style.saveS60ThemeToBlob(themeBlob);
}

#include "s60themeconvert.moc"