blob: 0e815ccd9c04a6d6fbbffe97e00c391781b46e11 (
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
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
|
/****************************************************************************
**
** Copyright (C) 2019 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the manual tests of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
import QtQuick 2.14
Item {
width: 640
height: 480
Rectangle {
id: map
color: "aqua"
x: (parent.width - width) / 2
y: (parent.height - height) / 2
width: image.width
height: image.height
transform: Rotation { id: tilt; origin.x: width / 2; origin.y: height / 2; axis { x: 1; y: 0; z: 0 } }
WheelHandler {
id: wheelHandler
objectName: "vertical mouse wheel for scaling"
property: "scale"
onWheel: console.log("rotation " + event.angleDelta + " scaled " + rotation + " @ " + point.position + " => " + map.scale)
}
WheelHandler {
id: horizontalWheelHandler
objectName: "horizontal mouse wheel for side-scrolling"
property: "x"
orientation: Qt.Horizontal
}
Image {
id: image
anchors.centerIn: parent
fillMode: Image.PreserveAspectFit
source: "resources/map.svgz"
Component.onCompleted: { width = implicitWidth; height = implicitHeight }
}
Text {
anchors.centerIn: parent
text: image.sourceSize.width + " x " + image.sourceSize.height +
" scale " + map.scale.toFixed(2) + " active scale " + pinch.activeScale.toFixed(2)
}
}
DragHandler {
objectName: "single-point drag"
target: map
}
DragHandler {
id: tiltHandler
objectName: "two-point tilt"
minimumPointCount: 2
maximumPointCount: 2
xAxis.enabled: false
target: null
onTranslationChanged: tilt.angle = translation.y / -2
}
PinchHandler {
id: pinch
objectName: "two-point pinch"
target: map
minimumScale: 0.1
maximumScale: 10
xAxis.enabled: false
yAxis.enabled: false
onActiveChanged: if (!active) reRenderIfNecessary()
grabPermissions: PinchHandler.TakeOverForbidden // don't allow takeover if pinch has started
}
function reRenderIfNecessary() {
var newSourceWidth = image.sourceSize.width * pinch.scale
var ratio = newSourceWidth / image.sourceSize.width
if (ratio > 1.1 || ratio < 0.9)
image.sourceSize.width = newSourceWidth
}
}
|
