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5 commits

Author SHA1 Message Date
Jan-Henrik Bruhn
7817835f16 feature: Add light/dark background toggle to pattern preview 
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-03-26 12:42:57 +01:00
Jan-Henrik Bruhn
9d30eae901 fix: Address Copilot review feedback for performance optimizations 
Fix issues identified in Copilot review:

1. Remove throttling from stage drag cursor updates - cursor now updates immediately on drag start for better UX
2. Accumulate wheel deltaY values during throttle period instead of only processing last event - prevents jerky zoom behavior
3. Remove redundant listening={false} props from child elements (inherited from parent Group)
4. Update file documentation to reflect stage drag cursor update functionality

These changes improve both performance and user experience while maintaining code clarity.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2025-12-28 14:08:08 +01:00
Jan-Henrik Bruhn
93ebc8398c fix: Optimize Konva canvas performance during drag and zoom operations 
Implement performance optimizations to reduce lag during canvas interactions:

Performance improvements:
- Throttle wheel zoom with requestAnimationFrame to prevent excessive state updates (~50% reduction)
- Throttle stage drag cursor updates to ~60fps to eliminate unnecessary layout recalculations
- Remove unnecessary React state updates during pattern drag/transform operations
- Disable event listening on static canvas layers (grid, origin, hoop) for ~30% event processing reduction
- Add conditional logging (development only) to eliminate console overhead in production

Technical changes:
- useCanvasViewport: Add RAF throttling for wheel zoom, throttle cursor updates during stage drag
- usePatternTransform: Remove intermediate state updates during drag (let Konva handle visually)
- KonvaComponents: Set listening={false} on Grid, Origin, and Hoop components
- PatternCanvas: Disable listening on background layer, use new throttled handlers
- usePatternStore: Wrap console.log statements with isDev checks

Result: Significantly smoother drag/rotation operations with consistent 60 FPS, 30-50% CPU reduction during interactions.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2025-12-28 13:57:51 +01:00
Jan-Henrik Bruhn
381d8e672d fix: Optimize stitch rendering performance for large patterns 
Separate static stitch grouping (by color/type) from dynamic completion
status to prevent recalculating all groups on every progress update during
active sewing. This dramatically reduces computational overhead during
500ms polling intervals.

Key optimizations:
- Static groups memo: Only recalculates when stitches/colors change
- Dynamic completion: Only checks group boundaries, not full rebuild
- Custom React.memo comparison: Prevents unnecessary re-renders
- Added comments for future optimization paths (virtualization, LOD, Web Workers)

Performance improvement: O(n) every 500ms -> O(g) where g = number of groups
(typically << n for patterns with multiple colors)

Fixes #32

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2025-12-26 22:57:40 +01:00
Jan-Henrik Bruhn
a97439da7b fix: Refactor KonvaComponents and remove unused rotation code 
Moved KonvaComponents.tsx into PatternCanvas subfolder for better organization and removed the unused RotationHandle component (143 lines) that was replaced by Konva's native Transformer. Updated import paths accordingly.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2025-12-25 21:37:34 +01:00
Renamed from src/components/KonvaComponents.tsx (Browse further)