blob: b0c5d6b59ba10d0296ca421ac142a22d8cadd82a (
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
|
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include <QApplication>
#include <QGraphicsScene>
#include <QGraphicsView>
#include "coloritem.h"
#include "robot.h"
#include <cmath>
class GraphicsView : public QGraphicsView
{
public:
using QGraphicsView::QGraphicsView;
protected:
void resizeEvent(QResizeEvent *) override
{
}
};
//! [0]
int main(int argc, char **argv)
{
QApplication app(argc, argv);
//! [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->setTransform(QTransform::fromScale(1.2, 1.2), true);
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");
view.show();
return app.exec();
}
//! [2]
|