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add ComposGraph3d demo
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‎demoProjects/ComposeGraph3d/.gitignore‎

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*.iml
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.gradle
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/local.properties
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/.idea/caches
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/.idea/libraries
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/.idea/modules.xml
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/.idea/workspace.xml
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/.idea/navEditor.xml
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/.idea/assetWizardSettings.xml
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.DS_Store
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/build
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/captures
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.externalNativeBuild
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.cxx
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local.properties

‎demoProjects/ComposeGraph3d/.idea/.gitignore‎

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‎demoProjects/ComposeGraph3d/app/.gitignore‎

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/build

‎demoProjects/ComposeGraph3d/app/build.gradle‎

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plugins {
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id 'com.android.application'
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id 'org.jetbrains.kotlin.android'
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}
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android {
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namespace 'android.support.composegraph3d'
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compileSdk 33
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defaultConfig {
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applicationId "android.support.composegraph3d"
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minSdk 25
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targetSdk 33
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versionCode 1
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versionName "1.0"
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testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
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vectorDrawables {
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useSupportLibrary true
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}
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}
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buildTypes {
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release {
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minifyEnabled false
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proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
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}
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}
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compileOptions {
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sourceCompatibility JavaVersion.VERSION_1_8
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targetCompatibility JavaVersion.VERSION_1_8
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}
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kotlinOptions {
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jvmTarget = '1.8'
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}
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buildFeatures {
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compose true
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}
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composeOptions {
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kotlinCompilerExtensionVersion '1.2.0'
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}
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packagingOptions {
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resources {
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excludes += '/META-INF/{AL2.0,LGPL2.1}'
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}
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}
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}
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dependencies {
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implementation 'androidx.core:core-ktx:1.7.0'
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implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.3.1'
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implementation 'androidx.activity:activity-compose:1.3.1'
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implementation "androidx.compose.ui:ui:$compose_ui_version"
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implementation "androidx.compose.ui:ui-tooling-preview:$compose_ui_version"
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implementation 'androidx.compose.material:material:1.2.0'
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testImplementation 'junit:junit:4.13.2'
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androidTestImplementation 'androidx.test.ext:junit:1.1.5'
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androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
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androidTestImplementation "androidx.compose.ui:ui-test-junit4:$compose_ui_version"
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debugImplementation "androidx.compose.ui:ui-tooling:$compose_ui_version"
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debugImplementation "androidx.compose.ui:ui-test-manifest:$compose_ui_version"
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}

‎demoProjects/ComposeGraph3d/app/proguard-rules.pro‎

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# Add project specific ProGuard rules here.
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# You can control the set of applied configuration files using the
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# proguardFiles setting in build.gradle.
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#
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# For more details, see
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# http://developer.android.com/guide/developing/tools/proguard.html
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# If your project uses WebView with JS, uncomment the following
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# and specify the fully qualified class name to the JavaScript interface
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# class:
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#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
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# public *;
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#}
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# Uncomment this to preserve the line number information for
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# debugging stack traces.
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#-keepattributes SourceFile,LineNumberTable
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# If you keep the line number information, uncomment this to
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# hide the original source file name.
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#-renamesourcefileattribute SourceFile

‎demoProjects/ComposeGraph3d/app/src/androidTest/java/android/support/composegraph3d/ExampleInstrumentedTest.kt‎

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package android.support.composegraph3d
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import androidx.test.platform.app.InstrumentationRegistry
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import androidx.test.ext.junit.runners.AndroidJUnit4
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import org.junit.Test
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import org.junit.runner.RunWith
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import org.junit.Assert.*
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/**
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* Instrumented test, which will execute on an Android device.
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*
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* See [testing documentation](http://d.android.com/tools/testing).
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*/
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@RunWith(AndroidJUnit4::class)
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class ExampleInstrumentedTest {
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@Test
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fun useAppContext() {
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// Context of the app under test.
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val appContext = InstrumentationRegistry.getInstrumentation().targetContext
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assertEquals("android.support.composegraph3d", appContext.packageName)
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}
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}

‎demoProjects/ComposeGraph3d/app/src/main/AndroidManifest.xml‎

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<?xml version="1.0" encoding="utf-8"?>
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:tools="http://schemas.android.com/tools">
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<application
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android:allowBackup="true"
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android:dataExtractionRules="@xml/data_extraction_rules"
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android:fullBackupContent="@xml/backup_rules"
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android:icon="@mipmap/ic_launcher"
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android:label="@string/app_name"
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android:supportsRtl="true"
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android:theme="@style/Theme.ComposeGraph3d"
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tools:targetApi="31">
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<activity
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android:name=".MainActivity"
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android:exported="true"
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android:label="@string/app_name"
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android:theme="@style/Theme.ComposeGraph3d">
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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</activity>
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</application>
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</manifest>

‎demoProjects/ComposeGraph3d/app/src/main/java/android/support/composegraph3d/MainActivity.kt‎

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package android.support.composegraph3d
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import android.os.Bundle
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import android.support.composegraph3d.lib.Graph
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import android.support.composegraph3d.ui.theme.ComposeGraph3dTheme
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import androidx.activity.ComponentActivity
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import androidx.activity.compose.setContent
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import androidx.compose.foundation.Canvas
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import androidx.compose.foundation.background
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import androidx.compose.foundation.gestures.detectDragGestures
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import androidx.compose.foundation.layout.*
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import androidx.compose.material.MaterialTheme
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import androidx.compose.material.Surface
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import androidx.compose.material.Text
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import androidx.compose.runtime.*
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.geometry.Offset
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import androidx.compose.ui.graphics.Color
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import androidx.compose.ui.graphics.drawscope.scale
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import androidx.compose.ui.input.pointer.pointerInput
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import androidx.compose.ui.layout.HorizontalAlignmentLine
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import androidx.compose.ui.layout.onPlaced
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import androidx.compose.ui.tooling.preview.Preview
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import androidx.compose.ui.unit.dp
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import kotlinx.coroutines.isActive
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class MainActivity : ComponentActivity() {
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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setContent {
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ComposeGraph3dTheme {
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// A surface container using the 'background' color from the theme
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Surface(
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modifier = Modifier.fillMaxSize(),
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color = MaterialTheme.colors.background
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) {
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Greeting("Android")
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}
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}
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}
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}
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}
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@Composable
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fun Greeting(name: String) {
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val w = 600
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val h = 600
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Column(
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modifier = Modifier
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.background(Color.LightGray)
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.fillMaxSize()
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) {
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Text(text = "Hello $name!")
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Graph3D(
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Modifier.fillMaxWidth().aspectRatio(1f)
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.background(Color.White))
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Text(text = "Hello $name!")
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}
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}
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@Composable
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fun Graph3D(modifier: Modifier) {
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var graph = remember { Graph() }
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val time = remember { mutableStateOf(System.nanoTime()) }
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LaunchedEffect(Unit) {
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while (isActive) {
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withFrameNanos {
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time.value = System.nanoTime()
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}
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}
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}
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var bitmap = graph.getImageForTime(time.value)
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Canvas(modifier = modifier
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.onPlaced {
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graph.setSize(it.size.width, it.size.width)
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}
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.pointerInput(Unit) {
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detectDragGestures(
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onDragStart = {
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graph.dragStart(it)
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},
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onDragEnd = {
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graph.dragStopped()
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},
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onDragCancel = {
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graph.dragStopped()
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},
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onDrag = { change, dragAmount ->
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graph.drag(change, dragAmount)
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}
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)
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}) {
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scale(2.0f, pivot = Offset(0f,0f)) {
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drawImage(bitmap)
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}
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}
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}
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@Preview(showBackground = true)
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@Composable
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fun DefaultPreview() {
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ComposeGraph3dTheme {
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Greeting("Android")
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}
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}

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