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M3.78: Recolor Artwork with colour reduction, methods, presets and Limit to Library

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Recolor Artwork keys colours by identity (model and exact values), so CMYK
colours stay CMYK and lookalikes stay apart. recolor.reduce groups the
selection's colours into rows (k-means in Lab, weighted by use; tints of a
global swatch share its row) with Preserve White/Black/Grays and Limit to
Library; recolor.apply maps rows by Exact, Preserve Tints, Scale Tints, Tints
and Shades or Hue Shift; recolor.randomize shuffles or varies new colours.
The dialog has Assign (rows with merge, separate, exclude, randomize, method,
library) and Edit (hue/saturation wheel with linked or unlinked handles,
brightness, harmony rules) tabs, and Edit Colors gains Recolor with Preset
(1/2/3 Color Job, Color Library). Colour parameters accept colour keys.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
bflatastic
2026-10-05 04:20:27 +07:00
co-authored by Claude Opus 5.5
parent 0c950aae0e
commit fca068a0a7
15 changed files with 1868 additions and 107 deletions
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docs/control-protocol.md
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@@ -82,6 +82,13 @@ canvas while open; `ui.dialog.confirm` keeps the result as one undo step (`edit.
`edit.colors.saturate`) and `ui.dialog.cancel` rolls it back. Global mode answers with an error until tints of global
and spot colours exist; the dialog then stays open.
Recolor Artwork: `ui.recolorDialog {colors?, library?}` opens the `recolor` dialog on the selected art (`colors`: a
count for an n-colour job, or colours to assign as the new colours; `library`: Limit to Library, `""` for the first).
Fields: `rows` (`[{from: [keys], to: key, exclude?}]` as `recolor.reduce` returns them), `colors` (null for Auto),
`method`, `preserveWhite`, `preserveBlack`, `preserveGrays`, `limitTo`, `tab` (`assign` or `edit`), `rule` (harmony
id), `linked`, `preview`. Setting `colors`, a preserve flag or `limitTo` reduces the rows again (also on
`ui.dialog.confirm`). The dialog previews `recolor.apply` on the canvas; confirm keeps it as one undo step.
Library panel: `engine.execute {command: "window.swatchLibrary", params: {library}}` opens the read-only library
panel on a swatch library (`ui.inspect` shows it as `library_panel: {kind, id}`; `library: null` closes it).
Clicking a swatch there runs `swatch.library.add {library, names: [name], apply}` (the active proxy, or the other