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* Feat(Canvas): Add Lasso tool with Freehand and Polygon modes * Refine Lasso modes behavior and optimisation. * Fix: Pettier * added docs/features/Lasso_tool.md * Fix: Removed restrictions mentioned in PR's conversation: 1. Disabled when there is no visible raster content 2. Lasso is blocked when all inpaint masks are globally hidden. --------- Co-authored-by: dunkeroni <dunkeroni@gmail.com>
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1.6 KiB
Lasso Tool
- The Lasso tool creates selections and inpaint masks by drawing freehand or polygonal regions on the canvas.
How to open the Lasso tool
- Click the Lasso icon in the toolbar.
- Hotkey: press
L(default). The hotkey is shown in the tool's tooltip and can be customized in Hotkeys settings.
Modes
-
Freehand (default)
- Hold the pointer and drag to draw a continuous contour.
- Long segments are broken into intermediate points to keep the line continuous.
- Very long strokes may be simplified after drawing to reduce point count for performance.
-
Polygon
- Click to place points; click the first point (or a point near it) to close the polygon.
- The tool snaps the closing point to the start for precise closures.
Basic interactions
- Switch modes with the mode toggle in the toolbar.
- To close a polygon: click the starting point again or click near it — the tool aligns the final point to the start to complete the shape.
- The selection will be added to the current Inpaint Mask layer. If no Inpaint Mask layer exists, a new one will be created automatically.
Tips & behavior
- Hold
Spaceto temporarily switch to the View tool for panning and zooming; releaseSpaceto return to the Lasso tool and continue drawing. - When using the Polygon mode, you can hold
Shiftto snap points to horizontal, vertical, or 45-degree angles for more precise shapes. - Hold
Ctrl(Windows/Linux) orCommand(macOS) while drawing to subtract from the current selection instead of adding to it.