API docs for the RepaintBoundary class from the widgets library, for the Dart programming language.

Is your Flutter app suffering from jank — that frustrating stutter during animations or scrolling? This common issue often signals…

60fps sounds like a hardware promise. It isn’t. Flutter gives you the tools to hit it — but only if you understand the rendering pipeline…

Gesture-driven Flutter galleries featuring dynamic hero carousels and virtualized, zoomable infinite masonry spaces. Changelog excerpt: - Optimize virtualized card mounting, widget reuse, repaint isolation, and image-heavy gallery retention controls. - Add `cacheExtent`, `repaintBoundary`, and `contentRevision`options where applicable.

A uniquely designed, highly customizable animated notch bottom navigation bar for Flutter with smooth transitions and glassmorphism support. Changelog excerpt: - **Performance Optimization**: Rewrote `NotchPainter`to use a single continuous path, significantly reducing rendering overhead. - **Repaint Isolation**: Added `RepaintBoundary`to the floating icon to isolate animations from the rest of the UI. - **Modern SDK Support**: Updated to Flutter 3.24.0 and migrated to the `withValues()`API for colors. - **Smoother UX**: Replaced static transitions with `AnimatedOpacity`for tab icons and labels.

Capture Flutter widget screenshots offline with optional blur and local storage. Changelog excerpt: ### ✨ Added - 📸 Widget screenshot capture using `RepaintBoundary` - 🎯 `SnapshotController`for handling capture and save operations - 🧩 `SnapshotWidget`wrapper for easy integration - 💾 Local storage support using `path_provider` - 🌫️ Optional blur functionality using `image`package - 📂 Retrieve saved snapshots from local directory - ⚡ Fully offline functionality (no API / no cloud dependency) ### 🧪 Testing - Widget test for snapshot capture - Verified image byte generation ### 🛠️ Inte[...]

Traceway error tracking and screen recording SDK for Flutter. Changelog excerpt: - Initial release - Exception and error capture with full stack traces - Screen recording (last ~10 seconds) via RepaintBoundary + ffmpeg - Gzip-compressed transport to Traceway backend - Simple widget wrapper API: `Traceway.run()`

A high-performance Flutter drawing and signature canvas with Catmull-Rom bezier smoothing, pressure sensitivity, undo/redo, and PNG export. Changelog excerpt: - Initial release - Catmull-Rom bezier spline smoothing algorithm - Velocity-based pressure sensitivity (thinner at high speed) - Pen, Marker, and Eraser brush types - 9 built-in colors with size slider - Undo / Redo stack (configurable max steps) - PNG export via RepaintBoundary - FlareDrawController — full programmatic control - FlareDrawToolbar — beautiful dark toolbar - FlareDrawConfig — fully customizable - Zero dependencies

Visible watermark overlay for Flutter. Renders user ID, email, or timestamp over protected content to deter screenshots and trace leaks. Changelog excerpt: - feat: initial release - feat: `Watermark`widget with `Stack`+ `IgnorePointer`+ `RepaintBoundary`overlay - feat: `WatermarkStyle`immutable config with opacity, rotation, spacing, staggered mode - feat: `WatermarkPainter`using `ParagraphBuilder`for efficient text tiling - feat: diagonal tiling with staggered rows (brick pattern) for crop resistance - feat: `enabled`flag to toggle watermark without removing from widget tree - test: widget, painter, and style unit tests

Supercharge your Flutter animations! Zero-overhead optimization with auto RepaintBoundary, smart frame skipping, and instant performance gains. Drop-in replacement for standard animation widgets. Changelog excerpt: ✨ **Initial Release**- パフォーマンス最適化アニメーションライブラリ ### 主な機能 - 🚀 **RepaintBoundary自動適用**- 不要な再描画を自動で防止 - ⚡ **スマートフレームスキップ**- 低スペック端末での自動最適化 - 🎯 **値の最適化**- 透明度0、スケール1.0などでTransformをスキップ - 🔧 **グローバル設定**- アニメーション無効化（アクセシビリティ対応） - 📦 **軽量カーブ**- 計算コストの低いFastCurves ### ウィジェット - `FastFadeTransition`- 最適化フェード - `FastScaleTransition`- 最適化スケール - `FastSlideTransition`- 最適化スライド - `FastRotationTransition`- 最適化回転 - `FastAnimatedOpacity`- 最適化AnimatedOpacity - `FastAnimatedContainer`- 最適化AnimatedContainer - `F[...]

Render any Flutter widget into a google_maps_flutter BitmapDescriptor, with caching, proper pixel-ratio handling, and modern Flutter View APIs. Changelog excerpt: ### Added - Initial release of **marker_widget**. - Off-screen renderer that converts any `Widget`into PNG bytes using: - `RenderView`+ `ViewConfiguration`with logical & physical constraints. - `RepaintBoundary`and explicit `PipelineOwner`/ `BuildOwner`lifecycle. - `MarkerIcon`value object that encapsulates: - PNG bytes. - Logical size. - Device pixel ratio. - Conversion to `BitmapDescriptor.bytes`with `MapBitmapScaling`. - `MarkerIconRenderer`: - Configurable default logical [...]

A Flutter plugin for recording widget animation using RepaintBoundary widget and sending it to the platform plugin for conversion to video

Your App Feels Slow. Measuring Is Step One. Here Is Everything Else.