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
|
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** 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 either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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 1.0, 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://www.qtsoftware.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#include "animateditem.h"
#include <QtGui/qbitmap.h>
#include <QtGui/qpainter.h>
AnimatedPixmapItem::AnimatedPixmapItem(const QList<QPixmap> &animation,
QGraphicsScene *scene)
: QGraphicsItem(0, scene), currentFrame(0), vx(0), vy(0)
{
for (int i = 0; i < animation.size(); ++i) {
QPixmap pixmap = animation.at(i);
Frame frame;
frame.pixmap = pixmap;
frame.shape = QPainterPath();
frame.boundingRect = pixmap.rect();
frames << frame;
}
}
void AnimatedPixmapItem::setFrame(int frame)
{
if (!frames.isEmpty()) {
prepareGeometryChange();
currentFrame = frame % frames.size();
}
}
void AnimatedPixmapItem::advance(int phase)
{
if (phase == 1)
moveBy(vx, vy);
}
QRectF AnimatedPixmapItem::boundingRect() const
{
return frames.at(currentFrame).boundingRect;
}
QPainterPath AnimatedPixmapItem::shape() const
{
const Frame &f = frames.at(currentFrame);
if (f.shape.isEmpty()) {
QPainterPath path;
path.addRegion(f.pixmap.createHeuristicMask());
const_cast<Frame &>(f).shape = path;
}
return f.shape;
}
void AnimatedPixmapItem::paint(QPainter *painter, const QStyleOptionGraphicsItem * /*option*/,
QWidget * /*widget*/)
{
painter->drawPixmap(0, 0, frames.at(currentFrame).pixmap);
}
|
