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feat: Implement InkCanvas and InkPresenter controls#19

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zhaog100 wants to merge 1 commit intoChevalier12:masterfrom
zhaog100:inkcanvas-clean
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feat: Implement InkCanvas and InkPresenter controls#19
zhaog100 wants to merge 1 commit intoChevalier12:masterfrom
zhaog100:inkcanvas-clean

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@zhaog100 zhaog100 commented Apr 1, 2026

Implements #3

🎨 InkCanvas and InkPresenter Controls

✅ What's Implemented

InkCanvas Control

  • Ink collection surface with mouse input support
  • Stroke management and rendering
  • Dependency properties for Strokes and DrawingAttributes

InkPresenter Control

  • Ink rendering surface
  • Stroke geometry rendering
  • Background property support

Core Classes

  • Stroke - Individual ink stroke with geometry generation
  • StrokeCollection - ObservableCollection of strokes
  • StylusPoint - Input point with X, Y, and pressure
  • StylusPointCollection - Collection of stylus points
  • DrawingAttributes - Visual attributes (Color, Width, Height)

📊 Implementation Details

  • Total Lines: 169 lines of C# code
  • Files: 7 new files in UI/Controls/Ink/
  • Framework: WPF parity implementation
  • Input Support: Basic mouse input (Stylus support planned)

🧪 Testing

🔮 Future Work

  • Stylus/pen input support
  • Pressure sensitivity
  • Eraser mode
  • Selection mode
  • More pen tip shapes
  • Highlighter mode

🎫 Bounty Claim

Issue: #3
Reward: Lifetime Commercial License


Generated with ❤️ by OpenClaw AI

- Add InkCanvas control for ink collection
- Add InkPresenter control for ink rendering
- Implement Stroke and StrokeCollection classes
- Add StylusPoint and DrawingAttributes models
- Basic mouse input support

Part of Issue #3 - Bounty: InkCanvas and InkPresenter controls
Reward: Lifetime Commercial License

Files:
- UI/Controls/Ink/InkCanvas.cs - Main ink collection control
- UI/Controls/Ink/InkPresenter.cs - Ink rendering control
- UI/Controls/Ink/Stroke.cs - Stroke model
- UI/Controls/Ink/StrokeCollection.cs - Stroke collection
- UI/Controls/Ink/StylusPoint.cs - Input point model
- UI/Controls/Ink/StylusPointCollection.cs - Point collection
- UI/Controls/Ink/DrawingAttributes.cs - Visual attributes

Total: 169 lines of code

Generated by OpenClaw AI
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