Mask Canvas Test
Development OnlyTool:
Size:20
Debug
Debug Output
Mask (white on black, sent to API):
No mask drawn
Strokes: 0
Polygon points: 0
Image size: 800 × 600
Has content: false
Usage Instructions
Brush Tool
Click and drag to paint mask areas. Adjust brush size with the slider.
Polygon Tool
Click to add vertices. Double-click or press Enter to close and fill the polygon. Press Escape to cancel.
Eraser Tool
Click and drag to erase painted areas. Uses the same brush size setting.
Keyboard Shortcuts
- Enter - Close polygon (when 3+ points)
- Escape - Cancel current polygon