Add direct canvas customization for DeviceDrawable2D

CHANGELOG.md

@@ -8,6 +8,7 @@
 - Shortcuts to access all Controls devices in a magix network.
 - `DeviceClient` properly evaluates lifecycle and logs
 - `PeerConnection` API for direct device-device binary sharing
+- DeviceDrawable2D intermediate visualization implementation
 
 ### Changed
 - Constructor properties return `DeviceState` in order to be able to subscribe to them

build.gradle.kts

@@ -7,7 +7,7 @@ plugins {
 
 allprojects {
     group = "space.kscience"
-    version = "0.4.0-dev-4"
+    version = "0.4.0-dev-5"
     repositories{
         google()
     }

controls-constructor/src/commonMain/kotlin/space/kscience/controls/constructor/devices/LimitSwitch.kt

@@ -14,7 +14,7 @@ import space.kscience.dataforge.context.Context
 
 
 /**
- * Virtual [LimitSwitch]
+ * A device that detects if a motor hits the end of its range
  */
 public class LimitSwitch(
     context: Context,

controls-constructor/src/commonMain/kotlin/space/kscience/controls/constructor/internalState.kt

@@ -11,7 +11,7 @@ import kotlinx.coroutines.flow.emptyFlow
  */
 private class VirtualDeviceState<T>(
     initialValue: T,
-    private val callback: (T) -> Unit = {},
+    private val callback: (T) -> Unit = {}
 ) : MutableDeviceState<T> {
     private val flow = MutableStateFlow(initialValue)
     override val valueFlow: Flow<T> get() = flow
@@ -34,7 +34,7 @@ private class VirtualDeviceState<T>(
  */
 public fun <T> MutableDeviceState(
     initialValue: T,
-    callback: (T) -> Unit = {},
+    callback: (T) -> Unit = {}
 ): MutableDeviceState<T> = VirtualDeviceState(initialValue, callback)
 
 

controls-visualisation-compose/README.md

@@ -0,0 +1,21 @@
+# Module controls-visualisation-compose
+
+Visualisation extension using compose-multiplatform
+
+## Usage
+
+## Artifact:
+
+The Maven coordinates of this project are `space.kscience:controls-visualisation-compose:0.4.0-dev-4`.
+
+**Gradle Kotlin DSL:**
+```kotlin
+repositories {
+    maven("https://repo.kotlin.link")
+    mavenCentral()
+}
+
+dependencies {
+    implementation("space.kscience:controls-visualisation-compose:0.4.0-dev-4")
+}
+```

controls-visualisation-compose/build.gradle.kts

@@ -18,27 +18,13 @@ kscience {
     useContextReceivers()
     commonMain {
         api(projects.controlsConstructor)
-        api("io.github.koalaplot:koalaplot-core:0.6.0")
-    }
-}
-
-kotlin {
-    sourceSets {
-        commonMain {
-            dependencies {
+        api(libs.koala.plots)
         api(compose.foundation)
         api(compose.material3)
         @OptIn(ExperimentalComposeLibrary::class)
         api(compose.desktop.components.splitPane)
     }
 }
-//        jvmMain {
-//            dependencies {
-//                implementation(compose.desktop.currentOs)
-//            }
-//        }
-    }
-}
 
 
 readme {

controls-visualisation-compose/src/commonMain/kotlin/DeviceDrawable2D.kt

@@ -0,0 +1,64 @@
+package space.kscience.controls.compose
+
+import androidx.compose.runtime.Immutable
+import androidx.compose.ui.geometry.Offset
+import androidx.compose.ui.geometry.Size
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.drawscope.DrawScope
+import androidx.compose.ui.graphics.drawscope.rotate
+
+/**
+ * A single 2D drawable
+ */
+@Immutable
+public sealed interface DeviceDrawable2D {
+
+    public fun DrawScope.draw()
+
+    override fun equals(other: Any?): Boolean
+}
+
+@Immutable
+public data class CircleDrawable2D(val position: Offset, val radius: Float, val color: Color) : DeviceDrawable2D {
+    override fun DrawScope.draw() {
+        drawCircle(color, radius = radius, center = position)
+    }
+}
+
+@Drawable2DBuilder
+public fun DeviceDrawable2DStore.circle(id: String, position: Offset, radius: Float, color: Color) {
+    emit(id, CircleDrawable2D(position, radius, color))
+}
+
+@Immutable
+public data class RectangleDrawable2D(
+    val position: Offset,
+    val rectangleSize: Size,
+    val color: Color,
+    val rotateDegrees: Float = 0f,
+) : DeviceDrawable2D {
+    override fun DrawScope.draw() {
+        rotate(rotateDegrees) {
+            drawRect(
+                color = color,
+                topLeft = Offset(
+                    (position.x - rectangleSize.width / 2),
+                    (position.y - rectangleSize.height / 2)
+                ),
+                size = Size(rectangleSize.width, rectangleSize.height)
+            )
+        }
+    }
+}
+
+@Drawable2DBuilder
+public fun DeviceDrawable2DStore.rectangle(
+    id: String,
+    position: Offset,
+    rectangleSize: Size,
+    color: Color,
+    rotateDegrees: Float = 0f,
+) {
+    emit(id, RectangleDrawable2D(position, rectangleSize, color, rotateDegrees))
+}
+

controls-visualisation-compose/src/commonMain/kotlin/DeviceDrawable2DStore.kt

@@ -0,0 +1,94 @@
+package space.kscience.controls.compose
+
+import androidx.compose.foundation.Canvas
+import androidx.compose.runtime.*
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.geometry.Size
+import androidx.compose.ui.graphics.drawscope.DrawScope
+import androidx.compose.ui.graphics.drawscope.clipRect
+import androidx.compose.ui.layout.onGloballyPositioned
+import androidx.compose.ui.unit.toSize
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.flow.*
+import kotlinx.coroutines.launch
+import space.kscience.controls.api.Device
+import space.kscience.controls.constructor.DeviceState
+import space.kscience.controls.spec.DevicePropertySpec
+import space.kscience.controls.spec.propertyFlow
+
+@DslMarker
+public annotation class Drawable2DBuilder
+
+@Drawable2DBuilder
+public class DeviceDrawable2DStore(public val scope: CoroutineScope, public val size: Size) {
+    public val drawableFlow: MutableStateFlow<Map<String, DeviceDrawable2D>> = MutableStateFlow(emptyMap())
+}
+
+public fun DeviceDrawable2DStore.emit(id: String, drawable2D: DeviceDrawable2D) {
+    drawableFlow.value += (id to drawable2D)
+}
+
+public fun DeviceDrawable2DStore.emitAll(drawables: Map<String, DeviceDrawable2D>) {
+    drawableFlow.value += drawables
+}
+
+
+/**
+ * Fill drawables from a flow
+ */
+public fun DeviceDrawable2DStore.observe(id: String, flow: Flow<DeviceDrawable2D>): Job = flow.onEach {
+    drawableFlow.value += (id to it)
+}.launchIn(scope)
+
+/**
+ * Observe single [DeviceState]
+ */
+public fun <T> DeviceDrawable2DStore.observeState(
+    state: DeviceState<T>,
+    id: String = state.toString(),
+    transform: suspend DeviceDrawable2DStore.(T) -> DeviceDrawable2D,
+): Job = observe(id, state.valueFlow.map { transform(this, it) })
+
+/**
+ * Observe a single [Device] property
+ */
+public fun <T, D : Device, P : DevicePropertySpec<D, T>> DeviceDrawable2DStore.observeProperty(
+    device: D,
+    devicePropertySpec: DevicePropertySpec<D, T>,
+    id: String = devicePropertySpec.toString(),
+    transform: suspend DeviceDrawable2DStore.(T) -> DeviceDrawable2D,
+): Job = observe(id, device.propertyFlow(devicePropertySpec).map { transform(this, it) })
+
+@Composable
+public fun Device2DCanvas(
+    modifier: Modifier = Modifier,
+    onDraw: DrawScope.() -> Unit = {},
+    flowBuilder: suspend DeviceDrawable2DStore.() -> Unit,
+) {
+    val coroutineScope = rememberCoroutineScope()
+    var canvasSize by remember { mutableStateOf(Size(100f, 100f)) }
+
+    val store = remember(canvasSize) {
+        DeviceDrawable2DStore(coroutineScope, canvasSize).apply {
+            coroutineScope.launch {
+                flowBuilder()
+            }
+        }
+    }
+
+    val drawables by store.drawableFlow.collectAsState()
+
+    key(store) {
+        Canvas(modifier.onGloballyPositioned {
+            canvasSize = it.size.toSize()
+        }) {
+            clipRect {
+                drawables.values.forEach {
+                    with(it) { draw() }
+                }
+                onDraw()
+            }
+        }
+    }
+}

demo/car/build.gradle.kts

@@ -37,8 +37,8 @@ kotlin{
 }
 
 tasks.withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile>().configureEach {
-    kotlinOptions {
-        freeCompilerArgs = freeCompilerArgs + listOf("-Xjvm-default=all", "-Xopt-in=kotlin.RequiresOptIn")
+    compilerOptions {
+        freeCompilerArgs.addAll("-Xjvm-default=all")
     }
 }
 

demo/constructor/src/jvmMain/kotlin/Plotter.kt

@@ -1,19 +1,29 @@
 package space.kscience.controls.demo.constructor
 
-import androidx.compose.foundation.Canvas
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxHeight
 import androidx.compose.foundation.layout.fillMaxSize
-import androidx.compose.material.MaterialTheme
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.material3.Button
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
 import androidx.compose.runtime.*
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.geometry.Offset
 import androidx.compose.ui.geometry.Size
 import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.unit.dp
 import androidx.compose.ui.window.Window
 import androidx.compose.ui.window.application
+import kotlinx.coroutines.Job
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.launchIn
 import kotlinx.coroutines.flow.onEach
 import kotlinx.coroutines.isActive
+import kotlinx.coroutines.launch
+import org.jetbrains.compose.splitpane.ExperimentalSplitPaneApi
+import org.jetbrains.compose.splitpane.HorizontalSplitPane
+import space.kscience.controls.compose.*
 import space.kscience.controls.constructor.*
 import space.kscience.controls.constructor.devices.LimitSwitch
 import space.kscience.controls.constructor.devices.StepDrive
@@ -131,14 +141,20 @@ private class PlotterModel(
     }
 }
 
+private val range = -1000..1000
+
+@OptIn(ExperimentalSplitPaneApi::class)
 suspend fun main() = application {
     Window(title = "Pid regulator simulator", onCloseRequest = ::exitApplication) {
         window.minimumSize = Dimension(400, 400)
 
-        val points = remember { mutableStateListOf<PlotterPoint>() }
-        var position by remember { mutableStateOf(XY<Meters>(0, 0)) }
+        val scope = rememberCoroutineScope()
 
-        LaunchedEffect(Unit) {
+        var updateJob: Job? = remember { null }
+
+        var points by remember { mutableStateOf<List<PlotterPoint>>(emptyList()) }
+
+        val plotterModel = remember {
             val context = Context {
                 plugin(DeviceManager)
                 plugin(ClockManager)
@@ -146,53 +162,81 @@ suspend fun main() = application {
 
             /* Here goes the device definition block */
 
-            val plotterModel = PlotterModel(context) { plotterPoint ->
-                points.add(plotterPoint)
+            PlotterModel(context) { plotterPoint ->
+                points += plotterPoint
             }
-
-            /* Start visualization program */
-
-            plotterModel.xy.valueFlow.onEach {
-                position = it
-            }.launchIn(this)
-
-            /* run program */
-
-
-            val range = -1000..1000
-//            plotterModel.plotter.modernArt(range, range)
-            plotterModel.plotter.square(range, range)
-
         }
 
-
         /* Here goes the visualization block */
 
         MaterialTheme {
-            Canvas(modifier = Modifier.fillMaxSize()) {
-                fun toOffset(x: NumericalValue<Meters>, y: NumericalValue<Meters>): Offset {
-                    val canvasX = (x - xRange.start) / (xRange.endInclusive - xRange.start) * size.width
-                    val canvasY = (y - yRange.start) / (yRange.endInclusive - yRange.start) * size.height
-                    return Offset(canvasX.toFloat(), canvasY.toFloat())
+            HorizontalSplitPane {
+                first(200.dp) {
+                    Column(modifier = Modifier.fillMaxHeight()) {
+                        Button({
+                            updateJob?.cancel()
+                            updateJob = scope.launch {
+                                plotterModel.plotter.square(range, range)
+                            }
+                        }, modifier = Modifier.fillMaxWidth()) {
+                            Text("Rectangle")
+                        }
+                        Button({
+                            updateJob?.cancel()
+                            updateJob = scope.launch {
+                                plotterModel.plotter.modernArt(range, range)
+                            }
+                        }, modifier = Modifier.fillMaxWidth()) {
+                            Text("Modern Art")
+                        }
+                        Button({
+                            updateJob?.cancel()
+                        }, modifier = Modifier.fillMaxWidth()) {
+                            Text("Stop")
+                        }
                     }
 
-                val center = toOffset(position.x, position.y)
+                }
+                second {
+                    Device2DCanvas(modifier = Modifier.fillMaxSize()) {
+                        fun xToPx(x: NumericalValue<Meters>): Float =
+                            ((x - xRange.start) / (xRange.endInclusive - xRange.start) * size.width).toFloat()
+
+                        fun yToPx(y: NumericalValue<Meters>): Float =
+                            ((y - yRange.start) / (yRange.endInclusive - yRange.start) * size.height).toFloat()
 
 
-                drawRect(
-                    Color.LightGray,
-                    topLeft = Offset(0f, center.y - 5f),
-                    size = Size(size.width, 10f)
+                        fun toOffset(xy: XY<Meters>): Offset = Offset(xToPx(xy.x), yToPx(xy.y))
+
+                        observeState(plotterModel.y, "beam") { y ->
+                            RectangleDrawable2D(
+                                position = Offset(size.width / 2, yToPx(y)),
+                                rectangleSize = Size(size.width, 10f),
+                                color = Color.LightGray
                             )
-
-                drawCircle(Color.Black, radius = 10f, center = center)
-
-
-                points.forEach {
-                    drawCircle(it.color, radius = 2f, center = toOffset(it.x, it.y))
-                }
-            }
-        }
                         }
 
+                        observeState(plotterModel.xy, "head") { xy ->
+                            CircleDrawable2D(
+                                position = toOffset(xy),
+                                radius = 10f,
+                                color = Color.Black
+                            )
+                        }
+
+                        snapshotFlow { points }.onEach {
+                            it.forEachIndexed { index, plotterPoint ->
+                                circle(
+                                    "point[$index]",
+                                    Offset(xToPx(plotterPoint.x), yToPx(plotterPoint.y)),
+                                    radius = 5f,
+                                    color = plotterPoint.color
+                                )
+                            }
+                        }.launchIn(scope)
+                    }
+                }
+            }
+        }
+    }
 }

demo/echo/build.gradle.kts

@@ -21,8 +21,8 @@ kotlin{
 }
 
 tasks.withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile>().configureEach {
-    kotlinOptions {
-        freeCompilerArgs = freeCompilerArgs + listOf("-Xjvm-default=all", "-Xopt-in=kotlin.RequiresOptIn")
+    compilerOptions {
+        freeCompilerArgs.addAll("-Xjvm-default=all")
     }
 }
 

demo/many-devices/build.gradle.kts

@@ -26,8 +26,8 @@ kotlin{
 
 
 tasks.withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile>().configureEach {
-    kotlinOptions {
-        freeCompilerArgs = freeCompilerArgs + listOf("-Xjvm-default=all", "-Xopt-in=kotlin.RequiresOptIn")
+    compilerOptions {
+        freeCompilerArgs.addAll("-Xjvm-default=all")
     }
 }
 

gradle/libs.versions.toml

@@ -81,7 +81,9 @@ visionforge-markdown = { module = "space.kscience:visionforge-markdown", version
 visionforge-server = { module = "space.kscience:visionforge-server", version.ref = "visionforge" }
 visionforge-compose-html = { module = "space.kscience:visionforge-compose-html", version.ref = "visionforge" }
 
-sciprog-maps-compose = "space.kscience:maps-kt-compose:0.3.0"
+sciprog-maps-compose = { module = "space.kscience:maps-kt-compose", version = "0.3.0" }
+
+koala-plots = { module = "io.github.koalaplot:koalaplot-core", version = "0.6.1" }
 
 # Buildscript
 

magix/magix-java-endpoint/build.gradle.kts

@@ -1,5 +1,3 @@
-import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
-import space.kscience.gradle.KScienceVersions
 import space.kscience.gradle.Maturity
 
 plugins {
@@ -17,19 +15,6 @@ dependencies {
     implementation(spclibs.kotlinx.coroutines.jdk9)
 }
 
-//java {
-//    sourceCompatibility = KScienceVersions.JVM_TARGET
-//    targetCompatibility = KScienceVersions.JVM_TARGET
-//}
-
-
-//FIXME https://youtrack.jetbrains.com/issue/KT-52815/Compiler-option-Xjdk-release-fails-to-compile-mixed-projects
-tasks.withType<KotlinCompile>{
-    kotlinOptions {
-        freeCompilerArgs -= "-Xjdk-release=11"
-    }
-}
-
 readme {
     maturity = Maturity.EXPERIMENTAL
 }