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import QtQuick
import QtQuick.Controls
Page {
id: root
implicitWidth: 550
implicitHeight: 300
contentItem: Control {
id: container
property real iscale: 1
property size fitSize: {
const ss = image.sourceSize;
const ratio = ss.width / ss.height;
return ratio < width/height ? Qt.size(height * ratio, height) : Qt.size(width, width / ratio);
}
contentItem: Flickable {
id: flickable
clip: true
leftMargin: Math.max(0, width - contentWidth) / 2 // Centering the content
topMargin: Math.max(0, height - contentHeight) / 2
contentWidth: container.fitSize.width
contentHeight: container.fitSize.height
rebound: Transition {}
boundsBehavior: Flickable.StopAtBounds
ScrollBar.vertical: ScrollBar {}
ScrollBar.horizontal: ScrollBar {}
Image {
id: image
cache: false
smooth: false
asynchronous: true
retainWhileLoading: true
source: apiRoot + "/sensor/image"
width: flickable.contentWidth
height: flickable.contentHeight
function updateImage() {
// console.log("updateImage. visible: ", visible)
if (image.source == apiRoot + "/sensor/image")
image.source = apiRoot + "/sensor/image2"
else
image.source = apiRoot + "/sensor/image"
// console.log("\nflickImg.width: ", flickImg.width,
// "\nflickImg.height: ", flickImg.height,
// "\nimg.width: ", img.width,
// "\nimg.width: ", img.height,
// "\nimg.width: ", img.scale,
// "\nimg.imgRatio: ", img.imgRatio,
// "\n----------------------------------------"
// );
}
Shortcut {
sequence: "ctrl+m"
onActivated: smooth = !smooth
}
onStatusChanged: {
if (!visible)
return;
// console.log(image.source)
if (status == Image.Ready) {
updateImage();
++imageFpsTimer.fpsCounter;
}
}
MouseArea {
hoverEnabled: true
anchors.fill: parent
onWheel: function(e) {
const { width, height } = container.fitSize;
const mousePos = Qt.point(mouseX, mouseY);
// container.iscale += e.angleDelta.y / 120;
if (e.angleDelta.y < 0) {
container.iscale /= 1.2
} else {
container.iscale *= 1.2
}
flickable.resizeContent(width * container.iscale, height * container.iscale, mousePos);
flickable.returnToBounds();
}
}
Timer {
id: imageFpsTimer
interval: 1000
repeat: true
running: visible
property int fpsCounter: 0
onTriggered: {
fpsLabel.text = qsTr("Fps") + ": " + fpsCounter
fpsCounter = 0
image.updateImage()
}
}
}
}
background: Rectangle { color: "#121314" }
}
}
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