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import QtQuick 2.0
import QtMultimedia 5.0
MouseArea {
id: focusRoot
signal searchAndLock
onClicked: {
camera.focus.focusPointMode = Camera.FocusPointCustom
camera.focus.customFocusPoint = viewfinder.mapPointToSourceNormalized(Qt.point(mouse.x, mouse.y))
focusRoot.searchAndLock()
}
Item {
id: zones
anchors.fill: parent
property color focusAreaColor
property real focusAreaScale: 1
Repeater {
model: camera.focus.focusZones
Rectangle {
border {
width: Math.round(2 * root.contentScale)
color: zones.focusAreaColor
}
radius: 8 * root.contentScale
color: "transparent"
scale: zones.focusAreaScale
// Map from the relative, normalized frame coordinates
property rect mappedRect: viewfinder.mapNormalizedRectToItem(area);
Connections {
target: viewfinder
onContentRectChanged: {
mappedRect = viewfinder.mapNormalizedRectToItem(area);
}
}
x: mappedRect.x - (width - mappedRect.width) / 2
y: mappedRect.y - (height - mappedRect.height) / 2
width: Math.round(120 * root.contentScale)
height: width
Rectangle {
anchors.fill: parent
anchors.margins: -1.5
color: "transparent"
border.width: 1
border.color: "black"
radius: parent.radius + 2
}
Rectangle {
anchors.fill: parent
anchors.margins: 1 + parent.border.width / 2 + 0.5
color: "transparent"
border.width: 1
border.color: "black"
radius: parent.radius - 3
}
}
}
states: [
State {
name: "unlocked"; when: camera.lockStatus === Camera.Unlocked
PropertyChanges { target: zones; opacity: 0; focusAreaColor: "red" }
},
State {
name: "searching"; when: camera.lockStatus === Camera.Searching
PropertyChanges { target: zones; opacity: 1; focusAreaColor: "white" }
},
State {
name: "locked"; when: camera.lockStatus === Camera.Locked
PropertyChanges { target: zones; opacity: 0; focusAreaColor: "green" }
}
]
transitions: [
Transition {
to: "searching"
NumberAnimation { properties: "opacity"; duration: 60 }
SequentialAnimation {
NumberAnimation {
target: zones; property: "focusAreaScale"; from: 1; to: 1.3; duration: 150
}
PauseAnimation { duration: 20 }
NumberAnimation {
target: zones; property: "focusAreaScale"; easing.period: 1; easing.amplitude: 1.4
easing.type: Easing.OutElastic; from: 1.3; to: 1
duration: 450
}
}
},
Transition {
from: "searching"
SequentialAnimation {
PauseAnimation { duration: 1500 }
NumberAnimation { properties: "opacity"; duration: 60 }
}
}
]
}
}
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