Unity 8
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PreviewZoomableImage.qml
1 /*
2  * Copyright (C) 2014 Canonical, Ltd.
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation; version 3.
7  *
8  * This program is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11  * GNU General Public License for more details.
12  *
13  * You should have received a copy of the GNU General Public License
14  * along with this program. If not, see <http://www.gnu.org/licenses/>.
15  */
16 
17 import QtQuick 2.0
18 import Ubuntu.Components 0.1
19 import "../../Components"
20 
21 /*! \brief Preview widget for image.
22 
23  This widget shows image contained in widgetData["source"],
24  can be zoomable accordingly with widgetData["zoomable"].
25  */
26 
27 PreviewWidget {
28  id: root
29  implicitHeight: units.gu(22)
30 
31  property Item rootItem: QuickUtils.rootItem(root)
32 
33  LazyImage {
34  id: lazyImage
35  objectName: "lazyImage"
36  anchors {
37  top: parent.top
38  bottom: parent.bottom
39  horizontalCenter: parent.horizontalCenter
40  }
41  scaleTo: "height"
42  source: widgetData["source"]
43 
44  borderSource: mouseArea.pressed ? "radius_pressed.sci" : "radius_idle.sci"
45 
46  MouseArea {
47  id: mouseArea
48  anchors.fill: parent
49  onClicked: {
50  overlay.initialX = rootItem.mapFromItem(parent, 0, 0).x;
51  overlay.initialY = rootItem.mapFromItem(parent, 0, 0).y;
52  overlay.show();
53  }
54  }
55  }
56 
57  PreviewOverlay {
58  id: overlay
59  objectName: "overlay"
60  parent: rootItem
61  width: parent.width
62  height: parent.height
63  initialScale: lazyImage.height / rootItem.height
64 
65  delegate: ZoomableImage {
66  anchors.fill: parent
67  source: widgetData["source"]
68  zoomable: widgetData["zoomable"] ? widgetData["zoomable"] : false
69  }
70  }
71 }