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
|
// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
import QtQuick
import QtQuick.Controls
import QtMultimedia
Item {
id: topItem
height: column.height
//! [0]
required property Camera camera
property bool mIsFlashSupported: camera.isFlashModeSupported(Camera.FlashOn)
property bool mIsTorchSupported: camera.isTorchModeSupported(Camera.TorchOn)
//! [0]
// Because the function 'camera.isFlashModeSupported()' is not a reactive binding
// we must explicitly check if the flash mode is still supported when we change
// the camera-device.
Connections {
target: camera
function onCameraDeviceChanged() {
topItem.mIsFlashSupported = camera.isFlashModeSupported(Camera.FlashOn)
topItem.mIsTorchSupported = camera.isTorchModeSupported(Camera.TorchOn)
}
}
Column {
id: column
//! [1]
Switch {
id: flashModeControl
visible: topItem.mIsFlashSupported
checked: topItem.camera.flashMode === Camera.FlashOn
opacity: checked ? 0.75 : 0.25
text: "Flash"
contentItem: Text {
text: flashModeControl.text
color: "white"
leftPadding: flashModeControl.indicator.width + flashModeControl.spacing
}
onClicked: topItem.camera.flashMode = checked ? Camera.FlashOn : Camera.FlashOff
}
//! [1]
Switch {
id: torchModeControl
visible: topItem.mIsTorchSupported
checked: topItem.camera.torchMode === Camera.FlashOn
opacity: checked ? 0.75 : 0.25
text: "Torch"
contentItem: Text {
text: torchModeControl.text
color: "white"
leftPadding: torchModeControl.indicator.width + torchModeControl.spacing
}
onClicked: topItem.camera.torchMode = checked ? Camera.TorchOn : Camera.TorchOff
}
}
}
|
