Recognize some textstyle (#257)

- Overhaul text layout
- Fix rounded corners modifying already rounded corners
- Support box position in Document Data
- Allow interpolating between gradients with different opacity stops
- De-dupe gradient stops
- Add support for gradient opacity stops

.github/workflows/analyze-and-test.yaml

@@ -10,11 +10,11 @@ jobs:
     name: Flutter analyze
     strategy:
       matrix:
-        flutter: ['beta']
+        flutter: ['stable']
     runs-on: macos-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: subosito/flutter-action@v1
+      - uses: subosito/flutter-action@v2
         with:
           channel: ${{ matrix.flutter }}
       - run: flutter doctor
@@ -22,8 +22,8 @@ jobs:
       - run: flutter pub get
         working-directory: example
       - run: flutter analyze
-      - run: flutter test test # https://github.com/flutter/flutter/issues/20907
-      - run: flutter test test
+      - run: flutter test
+      - run: flutter test
         working-directory: example
       - run: flutter pub run tool/prepare_submit.dart
       - name: "check for uncommitted changes"
@@ -34,14 +34,13 @@ jobs:
               && exit 1)
         shell: bash
   build_web_version:
-    name: Check that the web version compile
+    name: Check that the web version can compile
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: subosito/flutter-action@v1
+      - uses: subosito/flutter-action@v2
         with:
-          channel: 'beta'
-      - run: flutter config --enable-web
+          channel: 'stable'
       - run: flutter precache web
       - run: flutter pub get
         working-directory: example

.github/workflows/publish-on-pub.yaml

@@ -8,9 +8,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: subosito/flutter-action@v1
+      - uses: subosito/flutter-action@v2
         with:
-          channel: 'beta'
+          channel: 'stable'
       - run: flutter pub get
       - run: flutter pub run tool/publish/comment_dependency_overrides.dart
       - run: flutter pub get

.gitignore

@@ -3,6 +3,7 @@ _*
 
 !.gitignore
 !.github
+!.pubignore
 
 **/failures/*.png
 

.pubignore

@@ -0,0 +1,15 @@
+.dart_tool/
+.packages
+build/
+doc/api/
+*.iml
+_*
+.*
+**/failures/*.png
+test/golden/
+test/goldens/
+example/assets/
+example/android/
+example/ios/
+example/macos/
+example/web/

CHANGELOG.md

@@ -1,3 +1,89 @@
+
+## [2.2.0]
+Apply the latest fixes from Lottie-Android:
+
+- Overhaul text layout
+- Fix rounded corners modifying already rounded corners
+- Support box position in Document Data
+- Allow interpolating between gradients with different opacity stops
+- Add support for gradient opacity stops
+
+## [2.1.0]
+- Improve the cache to ensure that there is not an empty frame each time we load an animation.  
+  The method `AssetLottie('anim.json').load()` returns a `SynchronousFuture` if it has been loaded previously.
+- Expose the `LottieCache` singleton.
+  It allows to change the cache behaviour and clear the entries.
+
+```dart
+void main() {
+  Lottie.cache.maximumSize = 10;
+  Lottie.cache.clear();
+  Lottie.cache.evict(NetworkLottie('https://lottie.com/anim.json'));
+}
+```
+
+## [2.0.0]
+- **Breaking change**: the lottie widget will be smaller if it relies on the intrinsic size of the composition. 
+
+Previously the lottie parser was automatically multiplying the size of the composition by `window.devicePixelRatio`.
+This was incorrect as it results in a widget of a different size depending on the pixel ratio of the monitor. 
+Furthermore, it created some bugs when the property `window.devicePixelRatio` was not available immediately at the start
+of the app (on Android release builds). 
+
+The code can be adapted to specify explicitly the size of the animation with `width`, `height` and `fit` properties.
+
+```dart
+Scaffold(
+  body: Center(
+    child: Lottie.asset(
+      'assets/LottieLogo1.json',
+      height: 800,
+      fit: BoxFit.contain,
+    ),
+  ),
+);
+```
+
+## [1.4.3]
+- Fixed some lints with Flutter 3.3. 
+
+## [1.4.2]
+- Use `FilterQuality.low` as default to draw image layers.
+
+## [1.4.1]
+- Allow `AlignmentGeometry` for `alignment`.
+
+## [1.4.0]
+- Added `filterQuality` property to control the performance vs quality trade-off to use when drawing images
+
+## [1.3.0]
+- Added support for rounded corners on shapes and rects
+- Add support for text in dynamic properties (`ValueDelegate`)
+
+Example:
+
+```dart
+Lottie.asset(
+  'assets/DynamicText.json',
+  delegates: LottieDelegates(values: [
+    ValueDelegate.text(
+      ['Text layer'], // The path to the text element to change
+      value: 'The new text',
+    ),
+  ]),
+)
+```
+
+- Improve stroke with offset
+- Add support for reversed polystar paths
+- Enforce order of operations to avoid rounding errors
+
+## [1.2.2]
+- Internal maintenance: fix lints for Flutter 2.10
+
+## [1.2.1]
+- Fix: Revert Cubic to `PathInterpolator.cubic`
+
 ## [1.2.0]
 - Add support for gaussian blurs.
 

README.md

@@ -23,7 +23,7 @@ import 'package:lottie/lottie.dart';
 void main() => runApp(const MyApp());
 
 class MyApp extends StatelessWidget {
-  const MyApp({Key? key}) : super(key: key);
+  const MyApp({super.key});
 
   @override
   Widget build(BuildContext context) {
@@ -61,10 +61,10 @@ import 'package:lottie/lottie.dart';
 void main() => runApp(const MyApp());
 
 class MyApp extends StatefulWidget {
-  const MyApp({Key? key}) : super(key: key);
+  const MyApp({super.key});
 
   @override
-  _MyAppState createState() => _MyAppState();
+  State<MyApp> createState() => _MyAppState();
 }
 
 class _MyAppState extends State<MyApp> with TickerProviderStateMixin {
@@ -136,10 +136,10 @@ This example shows how to load and parse a Lottie composition from a json file.
 
 ```dart
 class MyWidget extends StatefulWidget {
-  const MyWidget({Key? key}) : super(key: key);
+  const MyWidget({super.key});
 
   @override
-  _MyWidgetState createState() => _MyWidgetState();
+  State<MyWidget> createState() => _MyWidgetState();
 }
 
 class _MyWidgetState extends State<MyWidget> {
@@ -182,7 +182,7 @@ a specific position and size.
 class CustomDrawer extends StatelessWidget {
   final LottieComposition composition;
 
-  const CustomDrawer(this.composition, {Key? key}) : super(key: key);
+  const CustomDrawer(this.composition, {super.key});
 
   @override
   Widget build(BuildContext context) {

analysis_options.yaml

@@ -10,14 +10,17 @@ linter:
     always_declare_return_types: true
     avoid_dynamic_calls: true
     avoid_escaping_inner_quotes: true
+    avoid_final_parameters: true
+    avoid_returning_null_for_future: true
     avoid_setters_without_getters: true
+    cancel_subscriptions: true
     cast_nullable_to_non_nullable: true
     close_sinks: true
     no_adjacent_strings_in_list: true
     no_default_cases: true
     omit_local_variable_types: true
     only_throw_errors: true
-    prefer_interpolation_to_compose_strings: true
+    prefer_relative_imports: true
     prefer_single_quotes: true
     sort_child_properties_last: true
     sort_pub_dependencies: true
@@ -27,3 +30,4 @@ linter:
     unnecessary_statements: true
     unsafe_html: true
     use_raw_strings: true
+    use_super_parameters: true

example/README.md

@@ -9,7 +9,7 @@ import 'package:lottie/lottie.dart';
 void main() => runApp(const MyApp());
 
 class MyApp extends StatelessWidget {
-  const MyApp({Key? key}) : super(key: key);
+  const MyApp({super.key});
 
   @override
   Widget build(BuildContext context) {

example/android/.gitignore

@@ -5,3 +5,9 @@ gradle-wrapper.jar
 /gradlew.bat
 /local.properties
 GeneratedPluginRegistrant.java
+
+# Remember to never publicly share your keystore.
+# See https://flutter.dev/docs/deployment/android#reference-the-keystore-from-the-app
+key.properties
+**/*.keystore
+**/*.jks

example/android/app/build.gradle

@@ -8,7 +8,7 @@ if (localPropertiesFile.exists()) {
 
 def flutterRoot = localProperties.getProperty('flutter.sdk')
 if (flutterRoot == null) {
-    throw new Exception("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
+    throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
 }
 
 def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
@@ -26,23 +26,28 @@ apply plugin: 'kotlin-android'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 28
+    compileSdkVersion flutter.compileSdkVersion
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
 
     sourceSets {
         main.java.srcDirs += 'src/main/kotlin'
     }
 
-    lintOptions {
-        disable 'InvalidPackage'
-    }
-
     defaultConfig {
-        applicationId "com.github.xvrh.lottie.sample"
-        minSdkVersion 16
-        targetSdkVersion 28
+        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
+        applicationId "com.github.xvrh.lottie.example"
+        minSdkVersion flutter.minSdkVersion
+        targetSdkVersion flutter.targetSdkVersion
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
-        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
 
     buildTypes {
@@ -60,7 +65,4 @@ flutter {
 
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
-    testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'androidx.test:runner:1.1.1'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
 }

example/android/app/src/debug/AndroidManifest.xml

@@ -1,5 +1,5 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.github.xvrh.lottie.sample">
+    package="com.github.xvrh.lottie.example">
     <!-- Flutter needs it to communicate with the running application
          to allow setting breakpoints, to provide hot reload, etc.
     -->

example/android/app/src/main/AndroidManifest.xml

@@ -1,21 +1,25 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.github.xvrh.lottie.sample">
-    <!-- io.flutter.app.FlutterApplication is an android.app.Application that
-         calls FlutterMain.startInitialization(this); in its onCreate method.
-         In most cases you can leave this as-is, but you if you want to provide
-         additional functionality it is fine to subclass or reimplement
-         FlutterApplication and put your custom class here. -->
-    <application
-        android:name="io.flutter.app.FlutterApplication"
+    package="com.github.xvrh.lottie.example">
+   <application
         android:label="example"
+        android:name="${applicationName}"
         android:icon="@mipmap/ic_launcher">
         <activity
             android:name=".MainActivity"
+            android:exported="true"
             android:launchMode="singleTop"
             android:theme="@style/LaunchTheme"
             android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
             android:hardwareAccelerated="true"
             android:windowSoftInputMode="adjustResize">
+            <!-- Specifies an Android theme to apply to this Activity as soon as
+                 the Android process has started. This theme is visible to the user
+                 while the Flutter UI initializes. After that, this theme continues
+                 to determine the Window background behind the Flutter UI. -->
+            <meta-data
+              android:name="io.flutter.embedding.android.NormalTheme"
+              android:resource="@style/NormalTheme"
+              />
             <intent-filter>
                 <action android:name="android.intent.action.MAIN"/>
                 <category android:name="android.intent.category.LAUNCHER"/>

example/android/app/src/main/kotlin/com/github/xvrh/lottie/example/MainActivity.kt

@@ -0,0 +1,6 @@
+package com.github.xvrh.lottie.example
+
+import io.flutter.embedding.android.FlutterActivity
+
+class MainActivity: FlutterActivity() {
+}

example/android/app/src/main/kotlin/com/github/xvrh/lottie/sample/MainActivity.kt

@@ -1,12 +0,0 @@
-package com.github.xvrh.lottie.sample
-
-import androidx.annotation.NonNull;
-import io.flutter.embedding.android.FlutterActivity
-import io.flutter.embedding.engine.FlutterEngine
-import io.flutter.plugins.GeneratedPluginRegistrant
-
-class MainActivity: FlutterActivity() {
-    override fun configureFlutterEngine(@NonNull flutterEngine: FlutterEngine) {
-        GeneratedPluginRegistrant.registerWith(flutterEngine);
-    }
-}

example/android/app/src/main/res/drawable-v21/launch_background.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Modify this file to customize your launch splash screen -->
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="?android:colorBackground" />
+
+    <!-- You can insert your own image assets here -->
+    <!-- <item>
+        <bitmap
+            android:gravity="center"
+            android:src="@mipmap/launch_image" />
+    </item> -->
+</layer-list>

example/android/app/src/main/res/values-night/styles.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is on -->
+    <style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar">
+        <!-- Show a splash screen on the activity. Automatically removed when
+             Flutter draws its first frame -->
+        <item name="android:windowBackground">@drawable/launch_background</item>
+    </style>
+    <!-- Theme applied to the Android Window as soon as the process has started.
+         This theme determines the color of the Android Window while your
+         Flutter UI initializes, as well as behind your Flutter UI while its
+         running.
+
+         This Theme is only used starting with V2 of Flutter's Android embedding. -->
+    <style name="NormalTheme" parent="@android:style/Theme.Black.NoTitleBar">
+        <item name="android:windowBackground">?android:colorBackground</item>
+    </style>
+</resources>

example/android/app/src/main/res/values/styles.xml

@@ -1,8 +1,18 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar">
+    <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is off -->
+    <style name="LaunchTheme" parent="@android:style/Theme.Light.NoTitleBar">
         <!-- Show a splash screen on the activity. Automatically removed when
              Flutter draws its first frame -->
         <item name="android:windowBackground">@drawable/launch_background</item>
     </style>
+    <!-- Theme applied to the Android Window as soon as the process has started.
+         This theme determines the color of the Android Window while your
+         Flutter UI initializes, as well as behind your Flutter UI while its
+         running.
+
+         This Theme is only used starting with V2 of Flutter's Android embedding. -->
+    <style name="NormalTheme" parent="@android:style/Theme.Light.NoTitleBar">
+        <item name="android:windowBackground">?android:colorBackground</item>
+    </style>
 </resources>

example/android/app/src/profile/AndroidManifest.xml

@@ -1,5 +1,5 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.github.xvrh.lottie.sample">
+    package="com.github.xvrh.lottie.example">
     <!-- Flutter needs it to communicate with the running application
          to allow setting breakpoints, to provide hot reload, etc.
     -->

example/android/build.gradle

@@ -1,12 +1,12 @@
 buildscript {
-    ext.kotlin_version = '1.3.50'
+    ext.kotlin_version = '1.6.10'
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.5.0'
+        classpath 'com.android.tools.build:gradle:4.1.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
@@ -14,7 +14,7 @@ buildscript {
 allprojects {
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
 }
 

example/android/gradle.properties

@@ -1,4 +1,3 @@
 org.gradle.jvmargs=-Xmx1536M
-android.enableR8=true
 android.useAndroidX=true
 android.enableJetifier=true

example/android/gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.2-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.7-all.zip

example/android/settings.gradle

@@ -1,15 +1,11 @@
 include ':app'
 
-def flutterProjectRoot = rootProject.projectDir.parentFile.toPath()
+def localPropertiesFile = new File(rootProject.projectDir, "local.properties")
+def properties = new Properties()
 
-def plugins = new Properties()
-def pluginsFile = new File(flutterProjectRoot.toFile(), '.flutter-plugins')
-if (pluginsFile.exists()) {
-    pluginsFile.withReader('UTF-8') { reader -> plugins.load(reader) }
-}
+assert localPropertiesFile.exists()
+localPropertiesFile.withReader("UTF-8") { reader -> properties.load(reader) }
 
-plugins.each { name, path ->
-    def pluginDirectory = flutterProjectRoot.resolve(path).resolve('android').toFile()
-    include ":$name"
-    project(":$name").projectDir = pluginDirectory
-}
+def flutterSdkPath = properties.getProperty("flutter.sdk")
+assert flutterSdkPath != null, "flutter.sdk not set in local.properties"
+apply from: "$flutterSdkPath/packages/flutter_tools/gradle/app_plugin_loader.gradle"

example/assets/Tests/BeyondBounds.json

@@ -0,0 +1 @@
+{"v":"5.8.2","fr":23.9759979248047,"ip":0,"op":71.9999937681822,"w":400,"h":400,"nm":"BeyondBounds","ddd":0,"assets":[],"layers":[{"ddd":0,"ind":1,"ty":4,"nm":"Shape Layer 1","sr":1,"ks":{"o":{"a":0,"k":100,"ix":11},"r":{"a":0,"k":0,"ix":10},"p":{"a":0,"k":[200,200,0],"ix":2,"l":2},"a":{"a":0,"k":[0,0,0],"ix":1,"l":2},"s":{"a":0,"k":[100,100,100],"ix":6,"l":2}},"ao":0,"shapes":[{"ty":"gr","it":[{"d":1,"ty":"el","s":{"a":0,"k":[510.547,510.547],"ix":2},"p":{"a":0,"k":[0,0],"ix":3},"nm":"Ellipse Path 1","mn":"ADBE Vector Shape - Ellipse","hd":false},{"ty":"fl","c":{"a":0,"k":[1,0,0,1],"ix":4},"o":{"a":0,"k":100,"ix":5},"r":1,"bm":0,"nm":"Fill 1","mn":"ADBE Vector Graphic - Fill","hd":false},{"ty":"tr","p":{"a":0,"k":[0,0],"ix":2},"a":{"a":0,"k":[0,0],"ix":1},"s":{"a":0,"k":[100,100],"ix":3},"r":{"a":0,"k":0,"ix":6},"o":{"a":0,"k":100,"ix":7},"sk":{"a":0,"k":0,"ix":4},"sa":{"a":0,"k":0,"ix":5},"nm":"Transform"}],"nm":"Ellipse 1","np":2,"cix":2,"bm":0,"ix":1,"mn":"ADBE Vector Group","hd":false}],"ip":0,"op":71.9999937681822,"st":0,"bm":0}],"markers":[]}

example/assets/Tests/Framerate.json

@@ -0,0 +1 @@
+{"v":"5.9.6","fr":3,"ip":0,"op":3,"w":200,"h":200,"nm":"Comp 1","ddd":0,"assets":[],"layers":[{"ddd":0,"ind":1,"ty":4,"nm":"Shape Layer 1","sr":1,"ks":{"o":{"a":0,"k":100,"ix":11},"r":{"a":0,"k":0,"ix":10},"p":{"a":1,"k":[{"i":{"x":0.833,"y":0.833},"o":{"x":0.167,"y":0.167},"t":0,"s":[30,30,0],"to":[21.667,21.667,0],"ti":[-21.667,-21.667,0]},{"t":2,"s":[160,160,0]}],"ix":2,"l":2},"a":{"a":0,"k":[0,0,0],"ix":1,"l":2},"s":{"a":0,"k":[100,100,100],"ix":6,"l":2}},"ao":0,"shapes":[{"ty":"gr","it":[{"ty":"rc","d":1,"s":{"a":0,"k":[58.742,58.742],"ix":2},"p":{"a":0,"k":[0,0],"ix":3},"r":{"a":0,"k":0,"ix":4},"nm":"Rectangle Path 1","mn":"ADBE Vector Shape - Rect","hd":false},{"ty":"fl","c":{"a":0,"k":[1,0,0,1],"ix":4},"o":{"a":0,"k":100,"ix":5},"r":1,"bm":0,"nm":"Fill 1","mn":"ADBE Vector Graphic - Fill","hd":false},{"ty":"tr","p":{"a":0,"k":[0,0],"ix":2},"a":{"a":0,"k":[0,0],"ix":1},"s":{"a":0,"k":[100,100],"ix":3},"r":{"a":0,"k":0,"ix":6},"o":{"a":0,"k":100,"ix":7},"sk":{"a":0,"k":0,"ix":4},"sa":{"a":0,"k":0,"ix":5},"nm":"Transform"}],"nm":"Rectangle 1","np":2,"cix":2,"bm":0,"ix":1,"mn":"ADBE Vector Group","hd":false}],"ip":0,"op":3,"st":0,"ct":1,"bm":0}],"markers":[]}

example/assets/Tests/LargeComposition.json

@@ -0,0 +1 @@
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example/assets/Tests/OpacityStops.json

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example/assets/Tests/ReversedStar.json

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example/assets/Tests/RoundedCorners.json

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+          "hd": false
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+  ],
+  "markers": []
+}

example/assets/Tests/RoundedWithAlreadyRoundedCorners.json

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+                "k": 0,
+                "ix": 3
+              },
+              "m": 1,
+              "ix": 2,
+              "nm": "Taglia tracciati 1",
+              "mn": "ADBE Vector Filter - Trim",
+              "hd": false
+            },
+            {
+              "ty": "rd",
+              "nm": "Angoli arrotondati 1",
+              "r": {
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+              },
+              "ix": 3,
+              "mn": "ADBE Vector Filter - RC",
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+            }
+          ],
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+  ],
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+  ],
+  "markers": []
+}

example/assets/Tests/SplitPathTransform.json

@@ -0,0 +1 @@
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example/assets/Tests/Thumb.json

@@ -0,0 +1 @@
+{"v":"5.9.6","fr":29.9700012207031,"ip":0,"op":190.000007738859,"w":24,"h":24,"nm":"Thumb","ddd":0,"assets":[],"layers":[{"ddd":0,"ind":1,"ty":4,"nm":"Shape Layer 1","sr":1,"ks":{"o":{"a":0,"k":100,"ix":11},"r":{"a":0,"k":0,"ix":10},"p":{"a":0,"k":[12,12,0],"ix":2,"l":2},"a":{"a":0,"k":[0,0,0],"ix":1,"l":2},"s":{"a":0,"k":[100,100,100],"ix":6,"l":2}},"ao":0,"shapes":[{"ty":"gr","it":[{"ty":"sr","sy":1,"d":1,"pt":{"a":0,"k":5,"ix":3},"p":{"a":0,"k":[0,0],"ix":4},"r":{"a":0,"k":0,"ix":5},"ir":{"a":0,"k":5,"ix":6},"is":{"a":0,"k":0,"ix":8},"or":{"a":0,"k":12,"ix":7},"os":{"a":0,"k":0,"ix":9},"ix":1,"nm":"Polystar Path 1","mn":"ADBE Vector Shape - Star","hd":false},{"ty":"st","c":{"a":0,"k":[1,0.922702133656,0,1],"ix":3},"o":{"a":0,"k":100,"ix":4},"w":{"a":0,"k":2,"ix":5},"lc":1,"lj":1,"ml":4,"bm":0,"nm":"Stroke 1","mn":"ADBE Vector Graphic - Stroke","hd":false},{"ty":"fl","c":{"a":0,"k":[1,0,0,1],"ix":4},"o":{"a":0,"k":100,"ix":5},"r":1,"bm":0,"nm":"Fill 1","mn":"ADBE Vector Graphic - Fill","hd":false},{"ty":"tr","p":{"a":0,"k":[0,0],"ix":2},"a":{"a":0,"k":[0,0],"ix":1},"s":{"a":0,"k":[100,100],"ix":3},"r":{"a":0,"k":0,"ix":6},"o":{"a":0,"k":100,"ix":7},"sk":{"a":0,"k":0,"ix":4},"sa":{"a":0,"k":0,"ix":5},"nm":"Transform"}],"nm":"Polystar 1","np":3,"cix":2,"bm":0,"ix":1,"mn":"ADBE Vector Group","hd":false}],"ip":0,"op":190.000007738859,"st":0,"ct":1,"bm":0}],"markers":[]}

example/assets/Tests/TimeStretchAndStartOffset.json

@@ -0,0 +1 @@
+{"v":"5.5.8","fr":60,"ip":0,"op":166,"w":828,"h":1215,"nm":"Залитые дуги 10 + opacity","ddd":0,"assets":[],"layers":[{"ddd":0,"ind":1,"ty":4,"nm":"Sinie 2","td":1,"sr":1.53474205216067,"ks":{"o":{"a":0,"k":100,"ix":11},"r":{"a":0,"k":0,"ix":10},"p":{"a":0,"k":[413.199,607.88,0],"ix":2},"a":{"a":0,"k":[168.949,195.88,0],"ix":1},"s":{"a":0,"k":[207.219,207.219,100],"ix":6}},"ao":0,"shapes":[{"ty":"gr","it":[{"ind":0,"ty":"sh","ix":1,"ks":{"a":0,"k":{"i":[[11.998,6.913],[13.844,0.193],[-28.149,-0.401]],"o":[[-11.991,-6.921],[14.447,24.162],[-7.102,-11.886]],"v":[[5.137,-8.915],[-34.263,-19.764],[34.265,19.754]],"c":true},"ix":2},"nm":"Path 1","mn":"ADBE Vector Shape - Group","hd":false},{"ind":1,"ty":"sh","ix":2,"ks":{"a":0,"k":{"i":[[0,0],[-14.745,-25.464],[0.311,-0.18],[0.113,0],[14.745,25.466],[-0.31,0.179],[-0.114,0]],"o":[[29.425,0.007],[0.178,0.311],[-0.098,0.056],[-29.427,-0.005],[-0.179,-0.31],[0.099,-0.057],[0,0]],"v":[[-35.4,-21.063],[35.964,20.09],[35.725,20.977],[35.403,21.063],[-35.963,-20.09],[-35.725,-20.976],[-35.401,-21.063]],"c":true},"ix":2},"nm":"Path 2","mn":"ADBE Vector Shape - Group","hd":false},{"ty":"fl","c":{"a":0,"k":[0.894117706897,0,1,1],"ix":4},"o":{"a":0,"k":100,"ix":5},"r":1,"bm":0,"nm":"Fill 1","mn":"ADBE Vector Graphic - Fill","hd":false},{"ty":"tr","p":{"a":0,"k":[132.535,174.966],"ix":2},"a":{"a":0,"k":[0,0],"ix":1},"s":{"a":0,"k":[100,100],"ix":3},"r":{"a":0,"k":0,"ix":6},"o":{"a":0,"k":100,"ix":7},"sk":{"a":0,"k":0,"ix":4},"sa":{"a":0,"k":0,"ix":5},"nm":"Transform"}],"nm":"Group 1","np":3,"cix":2,"bm":0,"ix":1,"mn":"ADBE Vector Group","hd":false}],"ip":48,"op":166,"st":-37.8760708166762,"bm":0},{"ddd":0,"ind":2,"ty":4,"nm":"Krug siniy 2","tt":1,"sr":0.98917079207921,"ks":{"o":{"a":0,"k":50,"ix":11},"r":{"a":0,"k":0,"ix":10},"p":{"a":0,"k":[412.455,610.955,0],"ix":2},"a":{"a":0,"k":[135.603,464.717,0],"ix":1},"s":{"a":1,"k":[{"i":{"x":[0.667,0.667,0.667],"y":[0.252,0.252,1]},"o":{"x":[0.333,0.333,0.333],"y":[0,0,0]},"t":55,"s":[0,0,100]},{"t":111.000102732441,"s":[79.385,79.385,100]}],"ix":6}},"ao":0,"shapes":[{"ty":"gr","it":[{"ind":0,"ty":"sh","ix":1,"ks":{"a":0,"k":{"i":[[0,105.185],[105.185,0],[0,-105.185],[-105.186,0]],"o":[[0,-105.185],[-105.186,0],[0,105.185],[105.185,0]],"v":[[190.455,0],[0,-190.455],[-190.455,0],[0,190.456]],"c":true},"ix":2},"nm":"Path 1","mn":"ADBE Vector Shape - Group","hd":false},{"ty":"fl","c":{"a":0,"k":[1,0,0,1],"ix":4},"o":{"a":0,"k":100,"ix":5},"r":1,"bm":0,"nm":"Fill 1","mn":"ADBE Vector Graphic - Fill","hd":false},{"ty":"tr","p":{"a":0,"k":[135.603,464.717],"ix":2},"a":{"a":0,"k":[0,0],"ix":1},"s":{"a":0,"k":[174.179,174.179],"ix":3},"r":{"a":0,"k":0,"ix":6},"o":{"a":0,"k":100,"ix":7},"sk":{"a":0,"k":0,"ix":4},"sa":{"a":0,"k":0,"ix":5},"nm":"Transform"}],"nm":"Group 1","np":2,"cix":2,"bm":0,"ix":1,"mn":"ADBE Vector Group","hd":false}],"ip":48,"op":166,"st":25.2165841584158,"bm":0}],"markers":[]}

example/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

example/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>PreviewsEnabled</key>
+	<false/>
+</dict>
+</plist>

example/ios/Runner.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>PreviewsEnabled</key>
+	<false/>
+</dict>
+</plist>

example/lib/examples/alert_dialog.dart

@@ -5,7 +5,7 @@ import 'package:lottie/lottie.dart';
 void main() => runApp(const App());
 
 class App extends StatelessWidget {
-  const App({Key? key}) : super(key: key);
+  const App({super.key});
 
   @override
   Widget build(BuildContext context) {
@@ -25,7 +25,7 @@ class __PageState extends State<_Page> {
   void initState() {
     super.initState();
 
-    SchedulerBinding.instance!.addPostFrameCallback((_) => _showLoader());
+    SchedulerBinding.instance.addPostFrameCallback((_) => _showLoader());
   }
 
   void _showLoader() {

example/lib/examples/animate_no_repeat.dart

@@ -6,7 +6,7 @@ void main() async {
 }
 
 class App extends StatelessWidget {
-  const App({Key? key}) : super(key: key);
+  const App({super.key});
 
   @override
   Widget build(BuildContext context) {

example/lib/examples/animation_controller.dart

@@ -4,10 +4,10 @@ import 'package:lottie/lottie.dart';
 void main() => runApp(const MyApp());
 
 class MyApp extends StatefulWidget {
-  const MyApp({Key? key}) : super(key: key);
+  const MyApp({super.key});
 
   @override
-  _MyAppState createState() => _MyAppState();
+  State<MyApp> createState() => _MyAppState();
 }
 
 class _MyAppState extends State<MyApp> with TickerProviderStateMixin {

example/lib/examples/animation_full_control.dart

@@ -12,10 +12,10 @@ import 'package:lottie/lottie.dart';
 void main() => runApp(const MyApp());
 
 class MyApp extends StatefulWidget {
-  const MyApp({Key? key}) : super(key: key);
+  const MyApp({super.key});
 
   @override
-  _MyAppState createState() => _MyAppState();
+  State<MyApp> createState() => _MyAppState();
 }
 
 class _MyAppState extends State<MyApp> with TickerProviderStateMixin {

example/lib/examples/blur.dart

@@ -4,7 +4,7 @@ import 'package:lottie/lottie.dart';
 void main() => runApp(const MyApp());
 
 class MyApp extends StatelessWidget {
-  const MyApp({Key? key}) : super(key: key);
+  const MyApp({super.key});
 
   @override
   Widget build(BuildContext context) {

example/lib/examples/cache.dart

@@ -0,0 +1,59 @@
+import 'package:flutter/material.dart';
+import 'package:lottie/lottie.dart';
+
+void main() => runApp(const App());
+
+class App extends StatelessWidget {
+  const App({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      home: Scaffold(body: _Page()),
+    );
+  }
+}
+
+class _Page extends StatefulWidget {
+  @override
+  __PageState createState() => __PageState();
+}
+
+class __PageState extends State<_Page> {
+  var _animationKey = UniqueKey();
+
+  @override
+  void initState() {
+    super.initState();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Column(
+      children: [
+        Lottie.network(
+          'https://assets10.lottiefiles.com/datafiles/QeC7XD39x4C1CIj/data.json',
+          key: _animationKey,
+          fit: BoxFit.contain,
+          width: 200,
+          height: 200,
+        ),
+        ElevatedButton(
+          onPressed: () {
+            Lottie.cache.clear();
+            Lottie.cache.maximumSize = 10;
+          },
+          child: const Text('Clear cache'),
+        ),
+        ElevatedButton(
+          onPressed: () {
+            setState(() {
+              _animationKey = UniqueKey();
+            });
+          },
+          child: const Text('Recreate animation'),
+        ),
+      ],
+    );
+  }
+}

example/lib/examples/custom_draw.dart

@@ -1,12 +1,11 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
-import 'package:flutter/widgets.dart';
 import 'package:lottie/lottie.dart';
 
 void main() => runApp(const MyApp());
 
 class MyApp extends StatelessWidget {
-  const MyApp({Key? key}) : super(key: key);
+  const MyApp({super.key});
 
   @override
   Widget build(BuildContext context) {
@@ -19,10 +18,10 @@ class MyApp extends StatelessWidget {
 }
 
 class MyWidget extends StatefulWidget {
-  const MyWidget({Key? key}) : super(key: key);
+  const MyWidget({super.key});
 
   @override
-  _MyWidgetState createState() => _MyWidgetState();
+  State<MyWidget> createState() => _MyWidgetState();
 }
 
 class _MyWidgetState extends State<MyWidget> {
@@ -61,7 +60,7 @@ class _MyWidgetState extends State<MyWidget> {
 class CustomDrawer extends StatelessWidget {
   final LottieComposition composition;
 
-  const CustomDrawer(this.composition, {Key? key}) : super(key: key);
+  const CustomDrawer(this.composition, {super.key});
 
   @override
   Widget build(BuildContext context) {

example/lib/examples/custom_load.dart

@@ -1,12 +1,11 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
-import 'package:flutter/widgets.dart';
 import 'package:lottie/lottie.dart';
 
 void main() => runApp(const MyApp());
 
 class MyApp extends StatelessWidget {
-  const MyApp({Key? key}) : super(key: key);
+  const MyApp({super.key});
 
   @override
   Widget build(BuildContext context) {
@@ -20,10 +19,10 @@ class MyApp extends StatelessWidget {
 
 //--- example
 class MyWidget extends StatefulWidget {
-  const MyWidget({Key? key}) : super(key: key);
+  const MyWidget({super.key});
 
   @override
-  _MyWidgetState createState() => _MyWidgetState();
+  State<MyWidget> createState() => _MyWidgetState();
 }
 
 class _MyWidgetState extends State<MyWidget> {

example/lib/examples/drop_shadow.dart

@@ -4,7 +4,7 @@ import 'package:lottie/lottie.dart';
 void main() => runApp(const MyApp());
 
 class MyApp extends StatelessWidget {
-  const MyApp({Key? key}) : super(key: key);
+  const MyApp({super.key});
 
   @override
   Widget build(BuildContext context) {

example/lib/examples/dynamic_properties.dart

@@ -1,4 +1,3 @@
-import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_colorpicker/flutter_colorpicker.dart';
 import 'package:lottie/lottie.dart';
@@ -8,10 +7,10 @@ void main() async {
 }
 
 class App extends StatefulWidget {
-  const App({Key? key}) : super(key: key);
+  const App({super.key});
 
   @override
-  _AppState createState() => _AppState();
+  State<App> createState() => _AppState();
 }
 
 class _AppState extends State<App> with TickerProviderStateMixin {
@@ -72,7 +71,7 @@ class _AppState extends State<App> with TickerProviderStateMixin {
                       _color = newColor;
                     });
                   },
-                  showLabel: false,
+                  labelTypes: const [],
                   enableAlpha: false,
                   pickerAreaHeightPercent: 0.8,
                 ),

example/lib/examples/dynamic_text.dart

@@ -7,10 +7,10 @@ void main() async {
 }
 
 class App extends StatefulWidget {
-  const App({Key? key}) : super(key: key);
+  const App({super.key});
 
   @override
-  _AppState createState() => _AppState();
+  State<App> createState() => _AppState();
 }
 
 class _AppState extends State<App> with TickerProviderStateMixin {

example/lib/examples/error_builder.dart

@@ -4,7 +4,7 @@ import 'package:lottie/lottie.dart';
 void main() => runApp(const MyApp());
 
 class MyApp extends StatelessWidget {
-  const MyApp({Key? key}) : super(key: key);
+  const MyApp({super.key});
 
   @override
   Widget build(BuildContext context) {

example/lib/examples/examples.dart

@@ -4,7 +4,7 @@ import 'package:lottie/lottie.dart';
 void main() => runApp(const MyApp());
 
 class MyApp extends StatelessWidget {
-  const MyApp({Key? key}) : super(key: key);
+  const MyApp({super.key});
 
   @override
   Widget build(BuildContext context) {

example/lib/examples/hide_after_complete.dart

@@ -6,10 +6,10 @@ void main() async {
 }
 
 class App extends StatefulWidget {
-  const App({Key? key}) : super(key: key);
+  const App({super.key});
 
   @override
-  _AppState createState() => _AppState();
+  State<App> createState() => _AppState();
 }
 
 class _AppState extends State<App> with TickerProviderStateMixin {

example/lib/examples/markers.dart

@@ -9,10 +9,10 @@ void main() async {
 }
 
 class App extends StatefulWidget {
-  const App({Key? key}) : super(key: key);
+  const App({super.key});
 
   @override
-  _AppState createState() => _AppState();
+  State<App> createState() => _AppState();
 }
 
 class _AppState extends State<App> with TickerProviderStateMixin {
@@ -48,7 +48,7 @@ class _AppState extends State<App> with TickerProviderStateMixin {
 class _LottieDetails extends StatefulWidget {
   final LottieComposition composition;
 
-  const _LottieDetails(this.composition, {Key? key}) : super(key: key);
+  const _LottieDetails(this.composition);
 
   @override
   _LottieDetailsState createState() => _LottieDetailsState();

example/lib/examples/repeat.dart

@@ -4,10 +4,10 @@ import 'package:lottie/lottie.dart';
 void main() => runApp(const MyApp());
 
 class MyApp extends StatefulWidget {
-  const MyApp({Key? key}) : super(key: key);
+  const MyApp({super.key});
 
   @override
-  _MyAppState createState() => _MyAppState();
+  State<MyApp> createState() => _MyAppState();
 }
 
 class _MyAppState extends State<MyApp> with TickerProviderStateMixin {

example/lib/examples/run_once.dart

@@ -12,10 +12,10 @@ void main() async {
 }
 
 class App extends StatefulWidget {
-  const App({Key? key}) : super(key: key);
+  const App({super.key});
 
   @override
-  _AppState createState() => _AppState();
+  State<App> createState() => _AppState();
 }
 
 class _AppState extends State<App> with TickerProviderStateMixin {

example/lib/examples/save_frames.dart

@@ -10,10 +10,10 @@ import 'package:path_provider/path_provider.dart';
 void main() => runApp(const MyApp());
 
 class MyApp extends StatefulWidget {
-  const MyApp({Key? key}) : super(key: key);
+  const MyApp({super.key});
 
   @override
-  _MyAppState createState() => _MyAppState();
+  State<MyApp> createState() => _MyAppState();
 }
 
 class _MyAppState extends State<MyApp> {

example/lib/examples/simple_dynamic_properties.dart

@@ -4,7 +4,7 @@ import 'package:lottie/lottie.dart';
 void main() => runApp(const MyApp());
 
 class MyApp extends StatelessWidget {
-  const MyApp({Key? key}) : super(key: key);
+  const MyApp({super.key});
 
   @override
   Widget build(BuildContext context) {

example/lib/main.dart

@@ -4,7 +4,7 @@ import 'package:lottie/lottie.dart';
 void main() => runApp(const MyApp());
 
 class MyApp extends StatelessWidget {
-  const MyApp({Key? key}) : super(key: key);
+  const MyApp({super.key});
 
   @override
   Widget build(BuildContext context) {

example/lib/main_app.dart

@@ -1,4 +1,3 @@
-import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:logging/logging.dart';
 import 'package:lottie/lottie.dart';
@@ -15,7 +14,7 @@ void main() {
 }
 
 class App extends StatelessWidget {
-  const App({Key? key}) : super(key: key);
+  const App({super.key});
 
   @override
   Widget build(BuildContext context) {
@@ -25,37 +24,37 @@ class App extends StatelessWidget {
         appBar: AppBar(
           title: const Text('Lottie Flutter'),
         ),
-        body: Scrollbar(
-          child: GridView.builder(
-            itemCount: files.length,
-            gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
-                crossAxisCount: 4),
-            itemBuilder: (context, index) {
-              var assetName = files[index];
-              return GestureDetector(
-                onTap: () {
-                  Navigator.push(
-                      context,
-                      MaterialPageRoute<void>(
-                          builder: (context) => Detail(assetName)));
-                },
-                child: _Item(
-                  child: Lottie.asset(
-                    assetName,
-                    onWarning: (w) => _logger.info('$assetName - $w'),
-                    frameBuilder: (context, child, composition) {
-                      return AnimatedOpacity(
-                        opacity: composition == null ? 0 : 1,
-                        duration: const Duration(seconds: 1),
-                        curve: Curves.easeOut,
-                        child: child,
-                      );
-                    },
-                  ),
+        body: GridView.builder(
+          primary: true,
+          itemCount: files.length,
+          gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
+              crossAxisCount: 4),
+          itemBuilder: (context, index) {
+            var assetName = files[index];
+            return GestureDetector(
+              onTap: () {
+                Navigator.push(
+                    context,
+                    MaterialPageRoute<void>(
+                        builder: (context) => Detail(assetName)));
+              },
+              child: _Item(
+                child: Lottie.asset(
+                  assetName,
+                  fit: BoxFit.contain,
+                  onWarning: (w) => _logger.info('$assetName - $w'),
+                  frameBuilder: (context, child, composition) {
+                    return AnimatedOpacity(
+                      opacity: composition == null ? 0 : 1,
+                      duration: const Duration(seconds: 1),
+                      curve: Curves.easeOut,
+                      child: child,
+                    );
+                  },
                 ),
-              );
-            },
-          ),
+              ),
+            );
+          },
         ),
       ),
     );
@@ -65,7 +64,7 @@ class App extends StatelessWidget {
 class _Item extends StatelessWidget {
   final Widget child;
 
-  const _Item({Key? key, required this.child}) : super(key: key);
+  const _Item({required this.child});
 
   @override
   Widget build(BuildContext context) {
@@ -90,10 +89,10 @@ class _Item extends StatelessWidget {
 class Detail extends StatefulWidget {
   final String assetName;
 
-  const Detail(this.assetName, {Key? key}) : super(key: key);
+  const Detail(this.assetName, {super.key});
 
   @override
-  _DetailState createState() => _DetailState();
+  State<Detail> createState() => _DetailState();
 }
 
 class _DetailState extends State<Detail> with TickerProviderStateMixin {

example/lib/sizing_example.dart

@@ -13,7 +13,7 @@ void main() async {
 class App extends StatelessWidget {
   final LottieComposition composition;
 
-  const App({Key? key, required this.composition}) : super(key: key);
+  const App({super.key, required this.composition});
 
   @override
   Widget build(BuildContext context) {
@@ -103,8 +103,7 @@ class _Lottie extends StatefulWidget {
   final AlignmentGeometry? alignment;
 
   const _Lottie(this.composition,
-      {Key? key, this.width, this.height, this.fit, this.alignment})
-      : super(key: key);
+      {this.width, this.height, this.fit, this.alignment});
 
   @override
   __LottieState createState() => __LottieState();

example/lib/tests/airbnb.dart

@@ -6,7 +6,7 @@ void main() async {
 }
 
 class App extends StatelessWidget {
-  const App({Key? key}) : super(key: key);
+  const App({super.key});
 
   @override
   Widget build(BuildContext context) {

example/lib/tests/we_accept.dart

@@ -6,7 +6,7 @@ void main() async {
 }
 
 class App extends StatelessWidget {
-  const App({Key? key}) : super(key: key);
+  const App({super.key});
 
   @override
   Widget build(BuildContext context) {

example/linux/flutter/generated_plugin_registrant.cc

@@ -0,0 +1,11 @@
+//
+//  Generated file. Do not edit.
+//
+
+// clang-format off
+
+#include "generated_plugin_registrant.h"
+
+
+void fl_register_plugins(FlPluginRegistry* registry) {
+}

example/linux/flutter/generated_plugin_registrant.h

@@ -0,0 +1,15 @@
+//
+//  Generated file. Do not edit.
+//
+
+// clang-format off
+
+#ifndef GENERATED_PLUGIN_REGISTRANT_
+#define GENERATED_PLUGIN_REGISTRANT_
+
+#include <flutter_linux/flutter_linux.h>
+
+// Registers Flutter plugins.
+void fl_register_plugins(FlPluginRegistry* registry);
+
+#endif  // GENERATED_PLUGIN_REGISTRANT_

example/linux/flutter/generated_plugins.cmake

@@ -0,0 +1,23 @@
+#
+# Generated file, do not edit.
+#
+
+list(APPEND FLUTTER_PLUGIN_LIST
+)
+
+list(APPEND FLUTTER_FFI_PLUGIN_LIST
+)
+
+set(PLUGIN_BUNDLED_LIBRARIES)
+
+foreach(plugin ${FLUTTER_PLUGIN_LIST})
+  add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/linux plugins/${plugin})
+  target_link_libraries(${BINARY_NAME} PRIVATE ${plugin}_plugin)
+  list(APPEND PLUGIN_BUNDLED_LIBRARIES $<TARGET_FILE:${plugin}_plugin>)
+  list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries})
+endforeach(plugin)
+
+foreach(ffi_plugin ${FLUTTER_FFI_PLUGIN_LIST})
+  add_subdirectory(flutter/ephemeral/.plugin_symlinks/${ffi_plugin}/linux plugins/${ffi_plugin})
+  list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${ffi_plugin}_bundled_libraries})
+endforeach(ffi_plugin)

example/macos/Podfile.lock

@@ -14,9 +14,9 @@ EXTERNAL SOURCES:
     :path: Flutter/ephemeral/.symlinks/plugins/path_provider_macos/macos
 
 SPEC CHECKSUMS:
-  FlutterMacOS: 57701585bf7de1b3fc2bb61f6378d73bbdea8424
-  path_provider_macos: a0a3fd666cb7cd0448e936fb4abad4052961002b
+  FlutterMacOS: ae6af50a8ea7d6103d888583d46bd8328a7e9811
+  path_provider_macos: 3c0c3b4b0d4a76d2bf989a913c2de869c5641a19
 
 PODFILE CHECKSUM: 6eac6b3292e5142cfc23bdeb71848a40ec51c14c
 
-COCOAPODS: 1.10.1
+COCOAPODS: 1.11.3

example/pubspec.lock

@@ -7,14 +7,14 @@ packages:
       name: archive
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.1.2"
+    version: "3.3.5"
   async:
     dependency: transitive
     description:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.5.0"
+    version: "2.9.0"
   boolean_selector:
     dependency: transitive
     description:
@@ -28,56 +28,56 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
-  charcode:
-    dependency: transitive
-    description:
-      name: charcode
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.2.0"
+    version: "1.2.1"
   clock:
     dependency: transitive
     description:
       name: clock
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.1.1"
   collection:
     dependency: transitive
     description:
       name: collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.15.0"
+    version: "1.16.0"
+  convert:
+    dependency: transitive
+    description:
+      name: convert
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.1.1"
   crypto:
     dependency: transitive
     description:
       name: crypto
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.0.1"
+    version: "3.0.2"
   fake_async:
     dependency: transitive
     description:
       name: fake_async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0"
+    version: "1.3.1"
   ffi:
     dependency: transitive
     description:
       name: ffi
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.2"
+    version: "2.0.1"
   file:
     dependency: transitive
     description:
       name: file
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "6.1.2"
+    version: "6.1.4"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -89,14 +89,14 @@ packages:
       name: flutter_colorpicker
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.5.0"
+    version: "1.0.3"
   flutter_lints:
     dependency: "direct dev"
     description:
       name: flutter_lints
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.3"
+    version: "2.0.1"
   flutter_test:
     dependency: "direct dev"
     description: flutter
@@ -108,126 +108,154 @@ packages:
       name: golden_toolkit
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.9.0"
+    version: "0.14.0"
   http:
     dependency: "direct main"
     description:
       name: http
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.13.3"
+    version: "0.13.5"
   http_parser:
     dependency: transitive
     description:
       name: http_parser
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.0.0"
+    version: "4.0.2"
+  js:
+    dependency: transitive
+    description:
+      name: js
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.6.5"
   lints:
     dependency: transitive
     description:
       name: lints
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.1"
+    version: "2.0.1"
   logging:
     dependency: "direct main"
     description:
       name: logging
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.1"
+    version: "1.1.0"
   lottie:
     dependency: "direct main"
     description:
       path: ".."
       relative: true
     source: path
-    version: "1.2.0"
+    version: "2.2.0"
   matcher:
     dependency: transitive
     description:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.12"
+  material_color_utilities:
+    dependency: transitive
+    description:
+      name: material_color_utilities
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.5"
   meta:
     dependency: transitive
     description:
       name: meta
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.0"
+    version: "1.8.0"
   path:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.0"
+    version: "1.8.2"
   path_provider:
     dependency: "direct main"
     description:
       name: path_provider
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.2"
+    version: "2.0.11"
+  path_provider_android:
+    dependency: transitive
+    description:
+      name: path_provider_android
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.22"
+  path_provider_ios:
+    dependency: transitive
+    description:
+      name: path_provider_ios
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.11"
   path_provider_linux:
     dependency: transitive
     description:
       name: path_provider_linux
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.1.7"
   path_provider_macos:
     dependency: transitive
     description:
       name: path_provider_macos
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.0.6"
   path_provider_platform_interface:
     dependency: transitive
     description:
       name: path_provider_platform_interface
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.1"
+    version: "2.0.5"
   path_provider_windows:
     dependency: transitive
     description:
       name: path_provider_windows
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.1"
-  pedantic:
-    dependency: transitive
-    description:
-      name: pedantic
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.11.1"
+    version: "2.1.3"
   platform:
     dependency: transitive
     description:
       name: platform
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.0.0"
+    version: "3.1.0"
   plugin_platform_interface:
     dependency: transitive
     description:
       name: plugin_platform_interface
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.1.3"
+  pointycastle:
+    dependency: transitive
+    description:
+      name: pointycastle
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.6.2"
   process:
     dependency: transitive
     description:
       name: process
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.2.1"
+    version: "4.2.4"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -239,7 +267,7 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.1"
+    version: "1.9.0"
   stack_trace:
     dependency: transitive
     description:
@@ -260,49 +288,49 @@ packages:
       name: string_scanner
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.1.1"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0"
+    version: "1.2.1"
   test_api:
     dependency: transitive
     description:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.3.0"
+    version: "0.4.12"
   typed_data:
     dependency: transitive
     description:
       name: typed_data
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.0"
+    version: "1.3.1"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.2"
   win32:
     dependency: transitive
     description:
       name: win32
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.2.5"
+    version: "3.1.2"
   xdg_directories:
     dependency: transitive
     description:
       name: xdg_directories
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.0"
+    version: "0.2.0+2"
 sdks:
-  dart: ">=2.13.0 <3.0.0"
-  flutter: ">=1.20.0"
+  dart: ">=2.18.4 <3.0.0"
+  flutter: ">=3.3.0"

example/pubspec.yaml

@@ -3,7 +3,7 @@ description: A sample app for the Lottie player
 publish_to: none
 
 environment:
-  sdk: ">=2.12.0-0 <3.0.0"
+  sdk: ">=2.18.0 <3.0.0"
 
 dependencies:
   flutter:
@@ -13,6 +13,7 @@ dependencies:
   logging:
   lottie:
     path: ../
+  path:
   path_provider:
 
 dev_dependencies:

example/web/manifest.json

@@ -0,0 +1,35 @@
+{
+    "name": "example",
+    "short_name": "example",
+    "start_url": ".",
+    "display": "standalone",
+    "background_color": "#0175C2",
+    "theme_color": "#0175C2",
+    "description": "A new Flutter project.",
+    "orientation": "portrait-primary",
+    "prefer_related_applications": false,
+    "icons": [
+        {
+            "src": "icons/Icon-192.png",
+            "sizes": "192x192",
+            "type": "image/png"
+        },
+        {
+            "src": "icons/Icon-512.png",
+            "sizes": "512x512",
+            "type": "image/png"
+        },
+        {
+            "src": "icons/Icon-maskable-192.png",
+            "sizes": "192x192",
+            "type": "image/png",
+            "purpose": "maskable"
+        },
+        {
+            "src": "icons/Icon-maskable-512.png",
+            "sizes": "512x512",
+            "type": "image/png",
+            "purpose": "maskable"
+        }
+    ]
+}

lib/lottie.dart

@@ -10,7 +10,7 @@ export 'src/options.dart' show LottieOptions;
 export 'src/providers/asset_provider.dart' show AssetLottie;
 export 'src/providers/file_provider.dart' show FileLottie;
 export 'src/providers/load_image.dart' show LottieImageProviderFactory;
-export 'src/providers/lottie_provider.dart' show LottieProvider;
+export 'src/providers/lottie_provider.dart' show LottieProvider, LottieCache;
 export 'src/providers/memory_provider.dart' show MemoryLottie;
 export 'src/providers/network_provider.dart' show NetworkLottie;
 export 'src/raw_lottie.dart' show RawLottie;

lib/src/animation/content/base_stroke_content.dart

@@ -196,7 +196,8 @@ abstract class BaseStrokeContent
   void _applyTrimPath(
       Canvas canvas, _PathGroup pathGroup, Matrix4 parentMatrix) {
     L.beginSection('StrokeContent#applyTrimPath');
-    if (pathGroup.trimPath == null) {
+    var trimPath = pathGroup.trimPath;
+    if (trimPath == null) {
       L.endSection('StrokeContent#applyTrimPath');
       return;
     }
@@ -205,13 +206,24 @@ abstract class BaseStrokeContent
       _path.addPath(pathGroup.paths[j].getPath(), Offset.zero,
           matrix4: parentMatrix.storage);
     }
+    var animStartValue = trimPath.start.value / 100;
+    var animEndValue = trimPath.end.value / 100;
+    var animOffsetValue = trimPath.offset.value / 360;
+
+    // If the start-end is ~100, consider it to be the full path.
+    if (animStartValue < 0.01 && animEndValue > 0.99) {
+      canvas.drawPath(_path, paint);
+      L.endSection('StrokeContent#applyTrimPath');
+      return;
+    }
+
     var pathMetrics = _path.computeMetrics().toList();
     var totalLength = pathMetrics.fold<double>(0.0, (a, b) => a + b.length);
 
-    var trimPath = pathGroup.trimPath!;
-    var offsetLength = totalLength * trimPath.offset.value / 360.0;
-    var startLength = totalLength * trimPath.start.value / 100.0 + offsetLength;
-    var endLength = totalLength * trimPath.end.value / 100.0 + offsetLength;
+    var offsetLength = totalLength * animOffsetValue;
+    var startLength = totalLength * animStartValue + offsetLength;
+    var endLength = min(totalLength * animEndValue + offsetLength,
+        startLength + totalLength - 1);
 
     var currentLength = 0.0;
     for (var j = pathGroup.paths.length - 1; j >= 0; j--) {

lib/src/animation/content/content_group.dart

@@ -52,8 +52,8 @@ class ContentGroup implements DrawingContent, PathContent, KeyPathElement {
   List<PathContent>? _pathContents;
   TransformKeyframeAnimation? _transformAnimation;
 
-  ContentGroup(final LottieDrawable lottieDrawable, BaseLayer layer,
-      ShapeGroup shapeGroup)
+  ContentGroup(
+      LottieDrawable lottieDrawable, BaseLayer layer, ShapeGroup shapeGroup)
       : this.copy(
             lottieDrawable,
             layer,

lib/src/animation/content/gradient_stroke_content.dart

@@ -31,8 +31,8 @@ class GradientStrokeContent extends BaseStrokeContent {
   ValueCallbackKeyframeAnimation<List<Color>, List<Color>>?
       _colorCallbackAnimation;
 
-  GradientStrokeContent(final LottieDrawable lottieDrawable, BaseLayer layer,
-      GradientStroke stroke)
+  GradientStrokeContent(
+      LottieDrawable lottieDrawable, BaseLayer layer, GradientStroke stroke)
       : name = stroke.name,
         _type = stroke.gradientType,
         _hidden = stroke.hidden,

lib/src/animation/content/polystar_content.dart

@@ -134,6 +134,9 @@ class PolystarContent implements PathContent, KeyPathElementContent {
     currentAngle = radians(currentAngle);
     // adjust current angle for partial points
     var anglePerPoint = 2 * pi / points;
+    if (_polystarShape.isReversed) {
+      anglePerPoint *= -1;
+    }
     var halfAnglePerPoint = anglePerPoint / 2.0;
     var partialPointAmount = points - points.toInt();
     if (partialPointAmount != 0) {

lib/src/animation/content/rectangle_content.dart

@@ -15,6 +15,7 @@ import 'compound_trim_path_content.dart';
 import 'content.dart';
 import 'key_path_element_content.dart';
 import 'path_content.dart';
+import 'rounded_corners_content.dart';
 import 'trim_path_content.dart';
 
 class RectangleContent implements KeyPathElementContent, PathContent {
@@ -29,6 +30,9 @@ class RectangleContent implements KeyPathElementContent, PathContent {
   final BaseKeyframeAnimation<Object, double> _cornerRadiusAnimation;
 
   final CompoundTrimPathContent _trimPaths = CompoundTrimPathContent();
+
+  /// This corner radius is from a layer item. The first one is from the roundedness on this specific rect.
+  BaseKeyframeAnimation<double, double>? _roundedCornersAnimation;
   bool _isPathValid = false;
 
   RectangleContent(
@@ -61,6 +65,8 @@ class RectangleContent implements KeyPathElementContent, PathContent {
         var trimPath = content;
         _trimPaths.addTrimPath(trimPath);
         trimPath.addListener(invalidate);
+      } else if (content is RoundedCornersContent) {
+        _roundedCornersAnimation = content.roundedCorners;
       }
     }
   }
@@ -82,6 +88,10 @@ class RectangleContent implements KeyPathElementContent, PathContent {
     var halfWidth = size.dx / 2.0;
     var halfHeight = size.dy / 2.0;
     var radius = _cornerRadiusAnimation.value;
+    var roundedCornersAnimation = _roundedCornersAnimation;
+    if (radius == 0 && roundedCornersAnimation != null) {
+      radius = min(roundedCornersAnimation.value, min(halfWidth, halfHeight));
+    }
     var maxRadius = min(halfWidth, halfHeight);
     if (radius > maxRadius) {
       radius = maxRadius;

lib/src/animation/content/rounded_corners_content.dart

@@ -0,0 +1,236 @@
+import 'dart:math' as math;
+import 'dart:ui';
+import '../../lottie_drawable.dart';
+import '../../model/content/rounded_corners.dart';
+import '../../model/content/shape_data.dart';
+import '../../model/cubic_curve_data.dart';
+import '../../model/layer/base_layer.dart';
+import '../../utils.dart';
+import '../keyframe/base_keyframe_animation.dart';
+import 'content.dart';
+import 'shape_modifier_content.dart';
+
+class RoundedCornersContent implements ShapeModifierContent {
+  /// Copied from:
+  /// https://github.com/airbnb/lottie-web/blob/bb71072a26e03f1ca993da60915860f39aae890b/player/js/utils/common.js#L47
+  static const _roundedCornerMagicNumber = 0.5519;
+
+  final LottieDrawable lottieDrawable;
+
+  @override
+  final String name;
+  final BaseKeyframeAnimation<double, double> roundedCorners;
+  ShapeData? shapeData;
+
+  RoundedCornersContent(
+      this.lottieDrawable, BaseLayer layer, RoundedCorners roundedCorners)
+      : name = roundedCorners.name,
+        roundedCorners = roundedCorners.cornerRadius.createAnimation() {
+    layer.addAnimation(this.roundedCorners);
+    this.roundedCorners.addUpdateListener(_onValueChanged);
+  }
+
+  void _onValueChanged() {
+    lottieDrawable.invalidateSelf();
+  }
+
+  @override
+  void setContents(List<Content> contentsBefore, List<Content> contentsAfter) {
+    // Do nothing.
+  }
+
+  /// Rounded corner algorithm:
+  /// Iterate through each vertex.
+  /// If a vertex is a sharp corner, it rounds it.
+  /// If a vertex has control points, it is already rounded, so it does nothing.
+  /// <p>
+  /// To round a vertex:
+  /// Split the vertex into two.
+  /// Move vertex 1 directly towards the previous vertex.
+  /// Set vertex 1's in control point to itself so it is not rounded on that side.
+  /// Extend vertex 1's out control point towards the original vertex.
+  /// <p>
+  /// Repeat for vertex 2:
+  /// Move vertex 2 directly towards the next vertex.
+  /// Set vertex 2's out point to itself so it is not rounded on that side.
+  /// Extend vertex 2's in control point towards the original vertex.
+  /// <p>
+  /// The distance that the vertices and control points are moved are relative to the
+  /// shape's vertex distances and the roundedness set in the animation.
+  @override
+  ShapeData modifyShape(ShapeData startingShapeData) {
+    var startingCurves = startingShapeData.curves;
+    if (startingCurves.length <= 2) {
+      return startingShapeData;
+    }
+    var roundedness = roundedCorners.value;
+    if (roundedness == 0) {
+      return startingShapeData;
+    }
+
+    var modifiedShapeData = _getShapeData(startingShapeData);
+    modifiedShapeData.setInitialPoint(
+        startingShapeData.initialPoint.dx, startingShapeData.initialPoint.dy);
+    var modifiedCurves = modifiedShapeData.curves;
+    var modifiedCurvesIndex = 0;
+    var isClosed = startingShapeData.isClosed;
+
+    // i represents which vertex we are currently on. Refer to the docs of CubicCurveData prior to working with
+    // this code.
+    // When i == 0
+    //    vertex=ShapeData.initialPoint
+    //    inCp=if closed vertex else curves[size - 1].cp2
+    //    outCp=curves[0].cp1
+    // When i == 1
+    //    vertex=curves[0].vertex
+    //    inCp=curves[0].cp2
+    //    outCp=curves[1].cp1.
+    // When i == size - 1
+    //    vertex=curves[size - 1].vertex
+    //    inCp=curves[size - 1].cp2
+    //    outCp=if closed vertex else curves[0].cp1
+    for (var i = 0; i < startingCurves.length; i++) {
+      var startingCurve = startingCurves[i];
+      var previousCurve =
+          startingCurves[floorMod(i - 1, startingCurves.length)];
+      var previousPreviousCurve =
+          startingCurves[floorMod(i - 2, startingCurves.length)];
+      var vertex = (i == 0 && !isClosed)
+          ? startingShapeData.initialPoint
+          : previousCurve.vertex;
+      var inPoint =
+          (i == 0 && !isClosed) ? vertex : previousCurve.controlPoint2;
+      var outPoint = startingCurve.controlPoint1;
+      var previousVertex = previousPreviousCurve.vertex;
+      var nextVertex = startingCurve.vertex;
+
+      // We can't round the corner of the end of a non-closed curve.
+      var isEndOfCurve = !startingShapeData.isClosed &&
+          (i == 0 && i == startingCurves.length - 1);
+      if (inPoint == vertex && outPoint == vertex && !isEndOfCurve) {
+        // This vertex is a point. Round its corners
+        var dxToPreviousVertex = vertex.dx - previousVertex.dx;
+        var dyToPreviousVertex = vertex.dy - previousVertex.dy;
+        var dxToNextVertex = nextVertex.dx - vertex.dx;
+        var dyToNextVertex = nextVertex.dy - vertex.dy;
+
+        var dToPreviousVertex = hypot(dxToPreviousVertex, dyToPreviousVertex);
+        var dToNextVertex = hypot(dxToNextVertex, dyToNextVertex);
+
+        double previousVertexPercent =
+            math.min(roundedness / dToPreviousVertex, 0.5);
+        double nextVertexPercent = math.min(roundedness / dToNextVertex, 0.5);
+
+        // Split the vertex into two and move each vertex towards the previous/next vertex.
+        var newVertex1X =
+            vertex.dx + (previousVertex.dx - vertex.dx) * previousVertexPercent;
+        var newVertex1Y =
+            vertex.dy + (previousVertex.dy - vertex.dy) * previousVertexPercent;
+        var newVertex2X =
+            vertex.dx + (nextVertex.dx - vertex.dx) * nextVertexPercent;
+        var newVertex2Y =
+            vertex.dy + (nextVertex.dy - vertex.dy) * nextVertexPercent;
+
+        // Extend the new vertex control point towards the original vertex.
+        var newVertex1OutPointX =
+            newVertex1X - (newVertex1X - vertex.dx) * _roundedCornerMagicNumber;
+        var newVertex1OutPointY =
+            newVertex1Y - (newVertex1Y - vertex.dy) * _roundedCornerMagicNumber;
+        var newVertex2InPointX =
+            newVertex2X - (newVertex2X - vertex.dx) * _roundedCornerMagicNumber;
+        var newVertex2InPointY =
+            newVertex2Y - (newVertex2Y - vertex.dy) * _roundedCornerMagicNumber;
+
+        // Remap vertex/in/out point to CubicCurveData.
+        // Refer to the docs for CubicCurveData for more info on the difference.
+        var previousCurveData = modifiedCurves[
+            floorMod(modifiedCurvesIndex - 1, modifiedCurves.length)];
+        var currentCurveData = modifiedCurves[modifiedCurvesIndex];
+        previousCurveData.controlPoint2 = Offset(newVertex1X, newVertex1Y);
+        previousCurveData.vertex = Offset(newVertex1X, newVertex1Y);
+        if (i == 0) {
+          modifiedShapeData.setInitialPoint(newVertex1X, newVertex1Y);
+        }
+        currentCurveData.controlPoint1 =
+            Offset(newVertex1OutPointX, newVertex1OutPointY);
+        modifiedCurvesIndex++;
+
+        previousCurveData = currentCurveData;
+        currentCurveData = modifiedCurves[modifiedCurvesIndex];
+        previousCurveData.controlPoint2 =
+            Offset(newVertex2InPointX, newVertex2InPointY);
+        previousCurveData.vertex = Offset(newVertex2X, newVertex2Y);
+        currentCurveData.controlPoint1 = Offset(newVertex2X, newVertex2Y);
+        modifiedCurvesIndex++;
+      } else {
+        // This vertex is not a point. Don't modify it. Refer to the documentation above and for CubicCurveData for mapping a vertex
+        // oriented point to CubicCurveData (path segments).
+        var previousCurveData = modifiedCurves[
+            floorMod(modifiedCurvesIndex - 1, modifiedCurves.length)];
+        var currentCurveData = modifiedCurves[modifiedCurvesIndex];
+        previousCurveData.controlPoint2 = Offset(
+            previousCurve.controlPoint2.dx, previousCurve.controlPoint2.dy);
+        previousCurveData.vertex =
+            Offset(previousCurve.vertex.dx, previousCurve.vertex.dy);
+        currentCurveData.controlPoint1 = Offset(
+            startingCurve.controlPoint1.dx, startingCurve.controlPoint1.dy);
+        modifiedCurvesIndex++;
+      }
+    }
+    return modifiedShapeData;
+  }
+
+  /// Returns a shape data with the correct number of vertices for the rounded corners shape.
+  /// This just returns the object. It does not update any values within the shape.
+
+  ShapeData _getShapeData(ShapeData startingShapeData) {
+    var startingCurves = startingShapeData.curves;
+    var isClosed = startingShapeData.isClosed;
+    var vertices = 0;
+    for (var i = startingCurves.length - 1; i >= 0; i--) {
+      var startingCurve = startingCurves[i];
+      var previousCurve =
+          startingCurves[floorMod(i - 1, startingCurves.length)];
+      var vertex = (i == 0 && !isClosed)
+          ? startingShapeData.initialPoint
+          : previousCurve.vertex;
+      var inPoint =
+          (i == 0 && !isClosed) ? vertex : previousCurve.controlPoint2;
+      var outPoint = startingCurve.controlPoint1;
+
+      var isEndOfCurve = !startingShapeData.isClosed &&
+          (i == 0 && i == startingCurves.length - 1);
+      if (inPoint == vertex && outPoint == vertex && !isEndOfCurve) {
+        vertices += 2;
+      } else {
+        vertices += 1;
+      }
+    }
+    var shapeData = this.shapeData;
+    if (shapeData == null || shapeData.curves.length != vertices) {
+      var newCurves = <CubicCurveData>[];
+      for (var i = 0; i < vertices; i++) {
+        newCurves.add(CubicCurveData());
+      }
+      this.shapeData = shapeData =
+          ShapeData(newCurves, initialPoint: Offset.zero, closed: false);
+    }
+    shapeData.setClosed(isClosed);
+    return shapeData;
+  }
+
+  /// Copied from the API 24+ AOSP source.
+  static int floorMod(int x, int y) {
+    return x - floorDiv(x, y) * y;
+  }
+
+  /// Copied from the API 24+ AOSP source.
+  static int floorDiv(int x, int y) {
+    var r = x ~/ y;
+    // if the signs are different and modulo not zero, round down
+    if ((x ^ y) < 0 && (r * y != x)) {
+      r--;
+    }
+    return r;
+  }
+}

lib/src/animation/content/shape_content.dart

@@ -5,10 +5,11 @@ import '../../model/content/shape_trim_path.dart';
 import '../../model/layer/base_layer.dart';
 import '../../utils.dart';
 import '../../utils/path_factory.dart';
-import '../keyframe/base_keyframe_animation.dart';
+import '../keyframe/shape_keyframe_animation.dart';
 import 'compound_trim_path_content.dart';
 import 'content.dart';
 import 'path_content.dart';
+import 'shape_modifier_content.dart';
 import 'trim_path_content.dart';
 
 class ShapeContent implements PathContent {
@@ -17,7 +18,7 @@ class ShapeContent implements PathContent {
   final ShapePath _shape;
 
   final LottieDrawable lottieDrawable;
-  final BaseKeyframeAnimation<Object, Path> _shapeAnimation;
+  final ShapeKeyframeAnimation _shapeAnimation;
 
   bool _isPathValid = false;
   final _trimPaths = CompoundTrimPathContent();
@@ -35,6 +36,7 @@ class ShapeContent implements PathContent {
 
   @override
   void setContents(List<Content> contentsBefore, List<Content> contentsAfter) {
+    List<ShapeModifierContent>? shapeModifierContents;
     for (var i = 0; i < contentsBefore.length; i++) {
       var content = contentsBefore[i];
       if (content is TrimPathContent &&
@@ -43,8 +45,12 @@ class ShapeContent implements PathContent {
         var trimPath = content;
         _trimPaths.addTrimPath(trimPath);
         trimPath.addListener(_invalidate);
+      } else if (content is ShapeModifierContent) {
+        shapeModifierContents ??= [];
+        shapeModifierContents.add(content);
       }
     }
+    _shapeAnimation.setShapeModifiers(shapeModifierContents);
   }
 
   @override

lib/src/animation/content/shape_modifier_content.dart

@@ -0,0 +1,6 @@
+import '../../model/content/shape_data.dart';
+import 'content.dart';
+
+abstract class ShapeModifierContent extends Content {
+  ShapeData modifyShape(ShapeData shapeData);
+}

lib/src/animation/content/stroke_content.dart

@@ -17,7 +17,7 @@ class StrokeContent extends BaseStrokeContent {
   BaseKeyframeAnimation<ColorFilter, ColorFilter?>? _colorFilterAnimation;
 
   StrokeContent(
-      final LottieDrawable lottieDrawable, BaseLayer layer, ShapeStroke stroke)
+      LottieDrawable lottieDrawable, BaseLayer layer, ShapeStroke stroke)
       : name = stroke.name,
         _hidden = stroke.hidden,
         _colorAnimation = stroke.color.createAnimation(),

lib/src/animation/keyframe/color_keyframe_animation.dart

@@ -4,7 +4,7 @@ import '../../value/keyframe.dart';
 import 'keyframe_animation.dart';
 
 class ColorKeyframeAnimation extends KeyframeAnimation<Color> {
-  ColorKeyframeAnimation(List<Keyframe<Color>> keyframes) : super(keyframes);
+  ColorKeyframeAnimation(super.keyframes);
 
   @override
   Color getValue(Keyframe<Color> keyframe, double keyframeProgress) {

lib/src/animation/keyframe/double_keyframe_animation.dart

@@ -3,7 +3,7 @@ import '../../value/keyframe.dart';
 import 'keyframe_animation.dart';
 
 class DoubleKeyframeAnimation extends KeyframeAnimation<double> {
-  DoubleKeyframeAnimation(List<Keyframe<double>> keyframes) : super(keyframes);
+  DoubleKeyframeAnimation(super.keyframes);
 
   @override
   double getValue(Keyframe<double> keyframe, double keyframeProgress) {

lib/src/animation/keyframe/drop_shadow_keyframe_animation.dart

@@ -10,7 +10,7 @@ import 'base_keyframe_animation.dart';
 import 'color_keyframe_animation.dart';
 
 class DropShadowKeyframeAnimation {
-  static final double _degToRad = math.pi / 180.0;
+  static const double _degToRad = math.pi / 180.0;
 
   final void Function() listener;
   late final ColorKeyframeAnimation _color;

lib/src/animation/keyframe/integer_keyframe_animation.dart

@@ -3,7 +3,7 @@ import '../../value/keyframe.dart';
 import 'keyframe_animation.dart';
 
 class IntegerKeyframeAnimation extends KeyframeAnimation<int> {
-  IntegerKeyframeAnimation(List<Keyframe<int>> keyframes) : super(keyframes);
+  IntegerKeyframeAnimation(super.keyframes);
 
   @override
   int getValue(Keyframe<int> keyframe, double keyframeProgress) {

lib/src/animation/keyframe/keyframe_animation.dart

@@ -1,7 +1,6 @@
-import '../../value/keyframe.dart';
 import 'base_keyframe_animation.dart';
 
 abstract class KeyframeAnimation<T extends Object>
     extends BaseKeyframeAnimation<T, T> {
-  KeyframeAnimation(List<Keyframe<T>> keyframes) : super(keyframes);
+  KeyframeAnimation(super.keyframes);
 }

lib/src/animation/keyframe/path_keyframe.dart

@@ -7,9 +7,9 @@ class PathKeyframe extends Keyframe<Offset> {
   Path? _path;
   final Keyframe<Offset> _pointKeyFrame;
 
-  PathKeyframe(LottieComposition composition, Keyframe<Offset> keyframe)
+  PathKeyframe(LottieComposition super.composition, Keyframe<Offset> keyframe)
       : _pointKeyFrame = keyframe,
-        super(composition,
+        super(
             startValue: keyframe.startValue,
             endValue: keyframe.endValue,
             interpolator: keyframe.interpolator,

lib/src/animation/keyframe/path_keyframe_animation.dart

@@ -7,7 +7,7 @@ class PathKeyframeAnimation extends KeyframeAnimation<Offset> {
   PathKeyframe? _pathMeasureKeyframe;
   late PathMetric _pathMeasure;
 
-  PathKeyframeAnimation(List<Keyframe<Offset>> keyframes) : super(keyframes);
+  PathKeyframeAnimation(super.keyframes);
 
   @override
   Offset getValue(Keyframe<Offset> keyframe, double keyframeProgress) {