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
|
/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the examples 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 <QtGui>
#include "coloritem.h"
#include "robot.h"
#include <math.h>
//! [0]
int main(int argc, char **argv)
{
QApplication app(argc, argv);
qsrand(QTime(0,0,0).secsTo(QTime::currentTime()));
//! [0]
//! [1]
QGraphicsScene scene(-200, -200, 400, 400);
for (int i = 0; i < 10; ++i) {
ColorItem *item = new ColorItem;
item->setPos(::sin((i * 6.28) / 10.0) * 150,
::cos((i * 6.28) / 10.0) * 150);
scene.addItem(item);
}
Robot *robot = new Robot;
robot->scale(1.2, 1.2);
robot->setPos(0, -20);
scene.addItem(robot);
//! [1]
//! [2]
QGraphicsView view(&scene);
view.setRenderHint(QPainter::Antialiasing);
view.setViewportUpdateMode(QGraphicsView::BoundingRectViewportUpdate);
view.setBackgroundBrush(QColor(230, 200, 167));
view.setWindowTitle("Drag and Drop Robot");
view.show();
return app.exec();
}
//! [2]
|