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import QtQuick
import QtQuick.Window
import QtQuick3D
import QtQuick.Controls
Window {
id: window
width: 1280
height: 720
visible: true
Rectangle {
// the offscreen rendered content
id: srcItem
visible: false
width: 256
height: 256
color: "lightgreen"
Rectangle {
anchors.centerIn: parent
width: 140
height: 140
color: "yellow"
NumberAnimation on rotation {
running: animationCheckbox.checked
from: 0
to: 90
loops: Animation.Infinite
}
}
}
View3D {
id: sceneView
anchors.fill: parent
focus: true
environment: SceneEnvironment {
id: environment
probeExposure: 0.05
clearColor: "#cceeff"
backgroundMode: SceneEnvironment.Color
}
PerspectiveCamera {
id: camera
position: Qt.vector3d(0, 0, 0)
}
Model {
position: Qt.vector3d(0, 0, -300)
source: "#Rectangle"
materials: [
DefaultMaterial {
lighting: DefaultMaterial.NoLighting
diffuseMap: Texture {
id: texture
sourceItem: srcItem
}
}
]
}
// References Texture
Model {
position: Qt.vector3d(-150, 0, -300)
source: "#Sphere"
NumberAnimation on eulerRotation.y {
running: animation3DCheckbox.checked
duration: 4000
from: 0
to: 360
loops: Animation.Infinite
}
NumberAnimation on eulerRotation.z {
running: animation3DCheckbox.checked
duration: 8000
from: 0
to: 360
loops: Animation.Infinite
}
materials: [
DefaultMaterial {
lighting: DefaultMaterial.NoLighting
diffuseMap: texture
}
]
}
// References another Texture's sourceItem
Model {
position: Qt.vector3d(150, 0, -300)
source: "#Cube"
NumberAnimation on eulerRotation.y {
running: animation3DCheckbox.checked
duration: 1000
from: 0
to: 90
loops: Animation.Infinite
}
materials: [
DefaultMaterial {
lighting: DefaultMaterial.NoLighting
diffuseMap: Texture {
sourceItem: texture.sourceItem
onSourceItemChanged: console.log("source item for cube is now " + sourceItem)
}
}
]
}
// Uses an inline item tree in sourceItem, not affected by the buttons
Model {
visible: coneCheckbox.checked
position: Qt.vector3d(0, 70, -300)
source: "#Cone"
NumberAnimation on eulerRotation.y {
running: animation3DCheckbox.checked
duration: 1000
from: 0
to: 90
loops: Animation.Infinite
}
materials: [
DefaultMaterial {
lighting: DefaultMaterial.NoLighting
diffuseMap: Texture {
sourceItem: Rectangle {
width: Math.round(coneTexSizeSlider.value)
height: Math.round(coneTexSizeSlider.value)
color: "transparent"
Rectangle {
color: "lightgreen"
width: 192
height: 192
anchors.centerIn: parent
Rectangle {
anchors.centerIn: parent
width: 128
height: 128
color: "yellow"
NumberAnimation on rotation {
running: animationCheckbox.checked
from: 0
to: 90
loops: Animation.Infinite
}
}
}
}
}
}
]
}
}
Component {
id: sourceItemComponent
Rectangle {
width: 500
height: 500
gradient: "NightFade"
CheckBox {
text: "Some quick control in a texture :D"
checked: true
}
Rectangle {
anchors.centerIn: parent
color: "blue"
width: 140
height: 140
NumberAnimation on rotation {
running: animationCheckbox.checked
from: 0
to: 90
loops: Animation.Infinite
}
}
}
}
Component {
id: textureProviderSourceItemComponent
Image {
width: 1024
height: 1024
sourceSize.width: 1024
sourceSize.height: 1024
property string src: "qt_logo_rect.png"
source: src // url, so use a separate src string property
function switchSource() {
if (src === "qt_logo_rect.png")
src = "qt_logo.png";
else
src = "qt_logo_rect.png";
console.log("Image.source is now " + source);
}
}
}
Component {
id: layerSourceItemComponent
Rectangle {
layer.enabled: true // the difference to sourceItemComponent lies in here
width: 500
height: 500
color: "lightGray"
CheckBox {
text: "Some quick control in a texture :D"
checked: true
}
Rectangle {
anchors.centerIn: parent
color: "blue"
width: 140
height: 140
NumberAnimation on rotation {
running: animationCheckbox.checked
from: 0
to: 90
loops: Animation.Infinite
}
}
}
}
Column {
Button {
text: "Assign new sourceItem (implicit layer on Quick3D side)"
onClicked: {
console.log("assigning new implicit layer-based sourceItem");
const item = sourceItemComponent.createObject(sourceItemContainer);
texture.sourceItem = item;
}
}
Row {
Button {
text: "Assign new sourceItem (texture provider, non-layer)"
onClicked: {
console.log("assigning new non-layer sourceItem");
const item = textureProviderSourceItemComponent.createObject(sourceItemContainer);
texture.sourceItem = item;
}
}
Button {
text: "Change Image.source"
onClicked: texture.sourceItem.switchSource()
}
}
Button {
text: "Assign new sourceItem (explicit layer on Quick side)"
onClicked: {
console.log("assigning new explicit layer-based sourceItem");
const item = layerSourceItemComponent.createObject(sourceItemContainer);
texture.sourceItem = item;
}
}
Button {
text: "Set sourceItem null"
onClicked: {
console.log("sourceItem destroy and set to null");
if (texture.sourceItem)
texture.sourceItem.destroy();
texture.sourceItem = null;
}
}
Button {
text: "Destroy sourceItem"
onClicked: {
console.log("sourceItem destroy");
if (texture.sourceItem)
texture.sourceItem.destroy()
}
}
CheckBox {
id: animationCheckbox
text: "Animate quick content (layer only)"
}
CheckBox {
id: animation3DCheckbox
text: "Animate 3D objects"
}
CheckBox {
id: coneCheckbox
text: "Show Cone with inline,\nsemi-transparent sourceItem"
checked: true
}
Column {
Label {
text: "Cone sourceItem size: " + Math.round(coneTexSizeSlider.value) + "x" + Math.round(coneTexSizeSlider.value)
}
Slider {
id: coneTexSizeSlider
value: 256
from: 32
to: 1024
}
}
}
Item {
id: sourceItemContainer
visible: false
}
}
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