blob: 8bde9b5d45afb5d1cd9451c49117e8a2e00e6768 (
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
|
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "imageitem.h"
#include "gestures.h"
#include <QPainter>
#include <QEvent>
ImageItem::ImageItem(const QImage &image)
{
setImage(image);
}
void ImageItem::setImage(const QImage &image)
{
image_ = image;
pixmap_ = QPixmap::fromImage(image.scaled(400, 400, Qt::KeepAspectRatio));
update();
}
QImage ImageItem::image() const
{
return image_;
}
QRectF ImageItem::boundingRect() const
{
const QSize size = pixmap_.size();
return QRectF(0, 0, size.width(), size.height());
}
void ImageItem::paint(QPainter *painter, const QStyleOptionGraphicsItem*, QWidget*)
{
painter->drawPixmap(0, 0, pixmap_);
}
GestureImageItem::GestureImageItem(const QImage &image)
: ImageItem(image)
{
grabGesture(Qt::PanGesture);
grabGesture(ThreeFingerSlideGesture::Type);
}
bool GestureImageItem::event(QEvent *event)
{
if (event->type() == QEvent::Gesture) {
qDebug("gestureimageitem: gesture triggered");
return true;
}
return ImageItem::event(event);
}
#include "moc_imageitem.cpp"
|