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
|
/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
#include "coloritem.h"
#include "robot.h"
#include <math.h>
class GraphicsView : public QGraphicsView
{
public:
GraphicsView(QGraphicsScene *scene) : QGraphicsView(scene)
{
}
protected:
virtual void resizeEvent(QResizeEvent *event)
{
#if defined(Q_OS_SYMBIAN)
fitInView(sceneRect(), Qt::KeepAspectRatio);
#endif
}
};
//! [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]
GraphicsView view(&scene);
view.setRenderHint(QPainter::Antialiasing);
view.setViewportUpdateMode(QGraphicsView::BoundingRectViewportUpdate);
view.setBackgroundBrush(QColor(230, 200, 167));
view.setWindowTitle("Drag and Drop Robot");
#if defined(Q_OS_SYMBIAN)
view.showMaximized();
#else
view.show();
#endif
return app.exec();
}
//! [2]
|