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
|
/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights. These rights are described in the Digia 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef MAIN_WINDOW_H
#define MAIN_WINDOW_H
#include <QtGui>
#include <QPixmap>
class DemoTextItem;
class ImageItem;
class MainWindow : public QGraphicsView
{
Q_OBJECT
public:
MainWindow(QWidget *parent = 0);
~MainWindow();
void enableMask(bool enable);
void toggleFullscreen();
int performBenchmark();
void switchTimerOnOff(bool on);
void start();
QGraphicsScene *scene;
QGraphicsWidget* mainSceneRoot;
bool loop;
// FPS stuff:
QList<QTime> frameTimeList;
QList<float> fpsHistory;
float currentFps;
float fpsMedian;
DemoTextItem *fpsLabel;
protected:
// Overridden methods:
void showEvent(QShowEvent *event);
void keyPressEvent(QKeyEvent *event);
void resizeEvent(QResizeEvent *event);
void drawBackground(QPainter *painter, const QRectF &rect);
void drawItems(QPainter *painter, int numItems, QGraphicsItem ** items, const QStyleOptionGraphicsItem* options);
void focusInEvent(QFocusEvent *event);
void focusOutEvent(QFocusEvent *event);
private slots:
void tick();
private:
void setupWidget();
void setupSceneItems();
void drawBackgroundToPixmap();
void setupScene();
bool measureFps();
void forceFpsMedianCalculation();
void checkAdapt();
void setRenderingSystem();
QTimer updateTimer;
QTime demoStartTime;
QTime fpsTime;
QPixmap background;
ImageItem *companyLogo;
ImageItem *qtLogo;
bool doneAdapt;
bool useTimer;
DemoTextItem *pausedLabel;
};
#endif // MAIN_WINDOW_H
|
