transparency.viewOpacityMask {on?, id?} shows only the opacity mask on the
canvas as greyscale coverage (luminance, clip and invert applied; the rest of
the art hidden) and enters mask editing; called again it shows the artwork and
keeps editing. The Transparency panel's mask thumbnail runs it on Alt-click and
is outlined in the accent colour while the mask is viewed. The state is
DocState.mask_view (shown while that mask is edited: DocState::shown_mask) and
reaches the renderer as RenderOptions.mask_view.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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| brush | ||
| color | ||
| doc | ||
| effects | ||
| engine | ||
| format | ||
| geom | ||
| mcp | ||
| pathops | ||
| render | ||
| svg | ||
| testkit | ||
| text | ||
| tools | ||
| trace | ||
| ui-egui | ||