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main.qml
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import QtQuick 2.7
import QtQuick.Window 2.2
import QtQuick.Dialogs 1.2
import QtQuick.Layouts 1.0
import QtQuick.Controls 2.0
import QtQuick.Controls.Material 2.0
import QtQuick.Controls.Styles 1.4
import QtMultimedia 5.5
import Qt.labs.settings 1.0
import Qt3D.Core 2.0
import "qrc:/thymio-ar"
//import "qrc:/thymio-vpl2" as VPL2
import QtSensors 5.0
import MarkerModel 1.0
import Qt3D.Extras 2.0
ApplicationWindow {
id: window
title: qsTr("Thymio AR demo")
visible: true
width: 960
height: 600
header: ToolBar {
RowLayout {
anchors.fill: parent
Repeater {
model: (camera.cameraStatus === Camera.ActiveStatus && vision) ? vision.landmarks : 0
delegate: ToolButton {
contentItem: Item {
Image {
source: modelData.icon
x: parent.height * 0.1
height: parent.height * 0.8
width: parent.height * 0.8
}
ProgressBar {
width: parent.width
to: 0.5
value: modelData.confidence
anchors.bottom: parent.bottom
}
}
}
}
Item {
Layout.fillWidth: true
}
CheckBox {
id: checkboxUseTransMem
width: 300
text: "Use TransMem"
scale: 0.5
font.bold: true
font.pointSize: 30
checked: true
}
CheckBox {
id: checkboxShowProtagonist
x: 400
width: 50
text: "Show protagonist"
scale: 0.5
font.bold: true
font.pointSize: 30
checked: true
}
ToolButton {
contentItem: Image {
anchors.centerIn: parent
source: "icons/ic_filter_center_focus_black_24px.svg"
}
onClicked: vision.calibrationRunning = true;
}
}
}
Camera {
id: camera
// For the logitec c920 webcam the following viewfinder resolutions work:
// "640x480" / "1280x720" / "1600X986" / "1920x1080" */
viewfinder.resolution: "1280x720"
captureMode: Camera.CaptureViewfinder
cameraState: Camera.LoadedState
// Uncomment the following statement to use a second camera on a laptop (not the internal one)
//deviceId: QtMultimedia.availableCameras[1].deviceId // hack to use second camera on laptop
}
/*
// On some devices there occurs a "CameraBin error: Internal data flow error." when using am usb camera.
// Using this hack restarts the camera after the error occured and bypasses the problem.
Timer {
running: true
interval: 3000
onTriggered: {
camera.stop();
camera.start();
}
}
*/
// Timer to update the marker model.
Timer {
running: true
interval: 20
onTriggered: markermodel.updateModel();
repeat: true
}
Vision {
id: vision
active: true
// for NVidia Shield K1
gyroscopeToCameraTransform: Qt.matrix4x4(
0, 1, 0, 0,
-1, 0, 0, 0,
0, 0, -1, 0,
0, 0, 0, 1
)
landmarks: [
Landmark {
id: worldCenterLandmark
identifier: "world"
fileName: ":/assets/markers/worldcenter.xml"
property string icon: "assets/markers/worldcenter_tracker.png"
},
Landmark {
id: orangeHouseLandmark
identifier: "orangeHouse"
fileName: ":/assets/markers/orangehouse.xml"
property string icon: "assets/markers/orangehouse_tracker.png"
},
Landmark {
id: adaHouseLandmark
identifier: "adaHouse"
fileName: ":/assets/markers/adahouse.xml"
property string icon: "assets/markers/adahouse_tracker.png"
}
]
}
property rect cameraRect
VideoOutput {
id: videoOutput
anchors.fill: parent
source: camera
filters: [vision]
fillMode: VideoOutput.PreserveAspectCrop
onContentRectChanged: cameraRect = mapNormalizedRectToItem(Qt.rect(0, 0, 1, 1));
}
Component.onCompleted: {
camera.start();
}
Component.onDestruction: {
camera.stop();
}
MarkerModel {
id: markermodel
worldCenterMarker: worldCenterLandmark
worldCenterRelativeMarkers: [orangeHouseLandmark, adaHouseLandmark]
// Model specific parameter:
useTransMem: checkboxUseTransMem.checked
}
Scene3d {
anchors.fill: parent
camera: worldCenterLandmark.relativePose
lens: vision.lens
Entity {
OrangeHouse {
id: orangeHouse
poseRelativeToWorldCenter: orangeHouseLandmark.relativePose
enabled: orangeHouseLandmark.visible
}
AdaHouse {
id: adaHouse
poseRelativeToWorldCenter: adaHouseLandmark.relativePose
enabled: adaHouseLandmark.visible
}
// Very simplistic illustration of an "protagonist" walking through the scene.
Protagonist {
enabled: (worldCenterLandmark.visible || orangeHouseLandmark.visible || adaHouseLandmark.visible) && checkboxShowProtagonist.checked
}
}
WorldCenter {
id: worldCenter
enabled: worldCenterLandmark.visible
}
}
// calibration rectangle
Rectangle {
visible: vision.calibrationRunning
x: cameraRect.x + (vision.calibrationRight ? cameraRect.width - cameraRect.height : 0)
y: cameraRect.y
height: cameraRect.height
width: cameraRect.height
opacity: 0.5
transform: [
Scale {
xScale: 1 / cameraRect.height
yScale: 1 / cameraRect.height
},
Matrix4x4 {
matrix: vision.calibrationTransform
},
Scale {
xScale: cameraRect.height
yScale: cameraRect.height
}
]
}
// calibration progress bar
ProgressBar {
visible: vision.calibrationRunning
width: parent.width / 3
anchors.bottom: parent.bottom
anchors.bottomMargin: parent.height / 3
anchors.horizontalCenter: parent.horizontalCenter
value: vision.calibrationProgress
}
}