1 /*
2 Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies)
3
4 This library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public
6 License as published by the Free Software Foundation; either
7 version 2 of the License, or (at your option) any later version.
8
9 This library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Library General Public License for more details.
13
14 You should have received a copy of the GNU Library General Public License
15 along with this library; see the file COPYING.LIB. If not, write to
16 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 Boston, MA 02110-1301, USA.
18 */
19
20 #include <QtGui>
21 #include <QWebPage>
22 #include <QWebFrame>
23
24 //! [0]
25 class Thumbnailer : public QObject
26 {
27 Q_OBJECT
28
29 public:
30 Thumbnailer(const QUrl &url);
31
32 signals:
33 void finished();
34
35 private slots:
36 void render();
37
38 private:
39 QWebPage page;
40
41 };
42 //! [0]
43
main(int argc,char * argv[])44 int main(int argc, char *argv[])
45 {
46 QApplication app(argc, argv);
47
48 Thumbnailer thumbnail(QUrl("http://qt.nokia.com"));
49
50 QObject::connect(&thumbnail, SIGNAL(finished()),
51 &app, SLOT(quit()));
52
53 return app.exec();
54 }
55
56 //! [1]
Thumbnailer(const QUrl & url)57 Thumbnailer::Thumbnailer(const QUrl &url)
58 {
59 page.mainFrame()->load(url);
60 connect(&page, SIGNAL(loadFinished(bool)),
61 this, SLOT(render()));
62 }
63 //! [1]
64
65 //! [2]
render()66 void Thumbnailer::render()
67 {
68 page.setViewportSize(page.mainFrame()->contentsSize());
69 QImage image(page.viewportSize(), QImage::Format_ARGB32);
70 QPainter painter(&image);
71
72 page.mainFrame()->render(&painter);
73 painter.end();
74
75 QImage thumbnail = image.scaled(400, 400);
76 thumbnail.save("thumbnail.png");
77
78 emit finished();
79 }
80 //! [2]
81 #include "main.moc"
82