Controller Software for the Brother PP-1 SKiTCH embroidery machine.
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Jan-Henrik Bruhn 0bd037b98a fix: Resolve pattern rendering and coordinate handling bugs
This commit addresses multiple critical issues in pattern rendering and coordinate handling:

1. Fixed Y-axis offset accumulation in penParser.ts
   - Corrected sign extension logic for 16-bit signed coordinates
   - Changed to interpret full 16-bit value as signed before shifting
   - Prevents coordinate drift and offset accumulation

2. Fixed color assignment for tack stitches in patternConverter.worker.ts
   - Added detection for small finishing stitches after COLOR_CHANGE commands
   - Assigns tack stitches to correct (previous) color instead of new color
   - Uses conservative pattern matching (< 1.0 unit, followed by JUMP)

3. Made jump stitches visible in pattern preview (KonvaComponents.tsx)
   - Render jump stitches in thread color instead of gray
   - Use dashed pattern [8, 4] to distinguish from regular stitches
   - Set appropriate opacity (0.8 completed, 0.5 not completed)
   - Fixed critical bug: include previous position in jump groups to create proper line segments

4. Updated konvaRenderers.ts for consistency
   - Applied same jump stitch rendering logic
   - Ensures consistent behavior across rendering methods

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

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
2025-12-13 18:37:30 +01:00
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