forked from kscience/visionforge
Handle property clearing in updates.
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parent
66ea23ad60
commit
216be4a6a1
@ -3,6 +3,7 @@ package ru.mipt.npm.sat
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import hep.dataforge.names.toName
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import hep.dataforge.vision.solid.Solid
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import hep.dataforge.vision.solid.clear
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import hep.dataforge.vision.solid.color
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import hep.dataforge.vision.solid.invoke
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import hep.dataforge.vision.three.server.*
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@ -42,7 +43,7 @@ fun main() {
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val targetVision = sat[target] as Solid
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targetVision.color("red")
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delay(300)
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targetVision.color("darkgreen")
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targetVision.color.clear()
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delay(10)
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}
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}
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@ -57,6 +57,9 @@ public interface Vision : Described {
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*/
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public fun setProperty(name: Name, item: MetaItem<*>?, notify: Boolean = true)
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/**
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* Subscribe on property updates. The subscription is bound to the given [scope] and canceled when the scope is canceled
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*/
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public fun onPropertyChange(scope: CoroutineScope, callback: suspend (Name) -> Unit)
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/**
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@ -81,7 +84,7 @@ public interface Vision : Described {
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public suspend fun notifyPropertyChanged(propertyName: Name): Unit
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/**
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* Update this vision using external meta. Children are not updated.
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* Update this vision using a dif represented by [VisionChange].
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*/
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public fun update(change: VisionChange)
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@ -3,12 +3,14 @@ package hep.dataforge.vision
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import hep.dataforge.meta.Config
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import hep.dataforge.meta.MetaItem
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import hep.dataforge.meta.MutableMeta
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import hep.dataforge.meta.asMetaItem
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import hep.dataforge.meta.descriptors.NodeDescriptor
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import hep.dataforge.meta.descriptors.defaultItem
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import hep.dataforge.meta.descriptors.get
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import hep.dataforge.meta.update
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import hep.dataforge.names.Name
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import hep.dataforge.names.asName
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import hep.dataforge.names.plus
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import hep.dataforge.values.Null
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import hep.dataforge.values.ValueType
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import hep.dataforge.vision.Vision.Companion.STYLE_KEY
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import kotlinx.coroutines.CoroutineScope
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@ -27,6 +29,7 @@ internal data class PropertyListener(
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val action: (name: Name) -> Unit,
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)
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@Serializable
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@SerialName("vision")
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public open class VisionBase : Vision {
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@ -100,6 +103,8 @@ public open class VisionBase : Vision {
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}
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}
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//TODO check memory consumption for the flow
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@Transient
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private val propertyInvalidationFlow: MutableSharedFlow<Name> = MutableSharedFlow()
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@ -116,13 +121,30 @@ public open class VisionBase : Vision {
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propertyInvalidationFlow.emit(propertyName)
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}
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public fun configure(block: MutableMeta<*>.() -> Unit) {
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getOrCreateConfig().block()
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public fun configure(block: suspend MutableMeta<*>.() -> Unit) {
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scope.launch {
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getOrCreateConfig().block()
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}
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}
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override fun update(change: VisionChange) {
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fun updateProperties(at: Name, item: MetaItem<*>) {
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when (item) {
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is MetaItem.ValueItem -> {
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if (item.value == Null) {
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setProperty(at, null)
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} else
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setProperty(at, item)
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}
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is MetaItem.NodeItem -> item.node.items.forEach { (token, childItem) ->
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updateProperties(at + token, childItem)
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}
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}
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}
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change.properties?.let {
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getOrCreateConfig().update(it)
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updateProperties(Name.EMPTY, it.asMetaItem())
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}
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}
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@ -3,6 +3,7 @@ package hep.dataforge.vision
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import hep.dataforge.meta.*
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import hep.dataforge.names.Name
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import hep.dataforge.names.plus
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import hep.dataforge.values.Null
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import kotlinx.coroutines.*
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import kotlinx.coroutines.flow.Flow
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import kotlinx.coroutines.flow.flow
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@ -30,7 +31,8 @@ public class VisionChangeBuilder : VisionContainerBuilder<Vision> {
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public fun propertyChanged(visionName: Name, propertyName: Name, item: MetaItem<*>?) {
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if (visionName == Name.EMPTY) {
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propertyChange[propertyName] = item
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//Write property removal as [Null]
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propertyChange[propertyName] = (item ?: Null.asMetaItem())
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} else {
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getOrPutChild(visionName).propertyChanged(Name.EMPTY, propertyName, item)
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}
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@ -112,6 +114,10 @@ public fun Vision.flowChanges(
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coroutineScope {
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collectChange(Name.EMPTY, this@flowChanges) { collector }
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//Send initial vision state
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val initialChange = VisionChange(vision = isolate(manager))
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emit(initialChange)
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while (currentCoroutineContext().isActive) {
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//Wait for changes to accumulate
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delay(collectionDuration)
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@ -134,14 +134,6 @@ public class VisionServer internal constructor(
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try {
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withContext(visionManager.context.coroutineContext) {
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val initialVision = VisionChange(vision = vision)
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val initialJson = visionManager.jsonFormat.encodeToString(
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VisionChange.serializer(),
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initialVision
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)
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outgoing.send(Frame.Text(initialJson))
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vision.flowChanges(visionManager, updateInterval.milliseconds).collect { update ->
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val json = visionManager.jsonFormat.encodeToString(
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VisionChange.serializer(),
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@ -0,0 +1,51 @@
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package hep.dataforge.vision.solid
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import hep.dataforge.meta.MutableItemProvider
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import hep.dataforge.meta.set
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import hep.dataforge.meta.value
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import hep.dataforge.names.Name
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import hep.dataforge.values.Value
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import hep.dataforge.values.asValue
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import hep.dataforge.values.string
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import hep.dataforge.vision.Colors
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import hep.dataforge.vision.VisionBuilder
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@VisionBuilder
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public class ColorAccessor(private val parent: MutableItemProvider, private val colorKey: Name) {
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public var value: Value?
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get() = parent.getItem(colorKey).value
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set(value) {
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parent[colorKey] = value
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}
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}
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public var ColorAccessor?.string: String?
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get() = this?.value?.string
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set(value) {
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this?.value = value?.asValue()
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}
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/**
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* Set [webcolor](https://en.wikipedia.org/wiki/Web_colors) as string
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*/
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public operator fun ColorAccessor?.invoke(webColor: String) {
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this?.value = webColor.asValue()
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}
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/**
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* Set color as RGB integer
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*/
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public operator fun ColorAccessor?.invoke(rgb: Int) {
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this?.value = Colors.rgbToString(rgb).asValue()
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}
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/**
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* Set color as RGB
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*/
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public operator fun ColorAccessor?.invoke(r: UByte, g: UByte, b: UByte) {
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this?.value = Colors.rgbToString(r, g, b).asValue()
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}
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public fun ColorAccessor?.clear(){
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this?.value = null
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}
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@ -6,51 +6,13 @@ import hep.dataforge.meta.descriptors.attributes
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import hep.dataforge.names.Name
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import hep.dataforge.names.asName
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import hep.dataforge.names.plus
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import hep.dataforge.values.Value
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import hep.dataforge.values.ValueType
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import hep.dataforge.values.asValue
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import hep.dataforge.values.string
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import hep.dataforge.vision.*
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import hep.dataforge.vision.solid.SolidMaterial.Companion.MATERIAL_COLOR_KEY
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import hep.dataforge.vision.solid.SolidMaterial.Companion.MATERIAL_KEY
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import hep.dataforge.vision.solid.SolidMaterial.Companion.MATERIAL_OPACITY_KEY
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@VisionBuilder
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public class ColorAccessor(private val parent: MutableItemProvider, private val colorKey: Name) {
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public var value: Value?
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get() = parent.getItem(colorKey).value
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set(value) {
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parent[colorKey] = value
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}
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}
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public var ColorAccessor?.string: String?
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get() = this?.value?.string
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set(value) {
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this?.value = value?.asValue()
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}
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/**
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* Set [webcolor](https://en.wikipedia.org/wiki/Web_colors) as string
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*/
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public operator fun ColorAccessor?.invoke(webColor: String) {
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this?.value = webColor.asValue()
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}
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/**
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* Set color as RGB integer
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*/
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public operator fun ColorAccessor?.invoke(rgb: Int) {
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this?.value = Colors.rgbToString(rgb).asValue()
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}
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/**
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* Set color as RGB
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*/
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public operator fun ColorAccessor?.invoke(r: UByte, g: UByte, b: UByte) {
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this?.value = Colors.rgbToString(r, g, b).asValue()
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}
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@VisionBuilder
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public class SolidMaterial : Scheme() {
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