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M3.59: tints of global and spot colours, tint swatches and Global colour balance

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A colour linked to a global or spot swatch keeps a tint (Paint::Solid.tint, 1 by default and
left out of files at 100 %): paint.setFill/setStroke {swatch, tint} apply the swatch at that
percentage, swatch edits recolour every linked colour at its own tint, and Color::tinted
resolves it (CMYK and Gray inks scale, RGB mixes toward white). swatch.new saves a tint as a
tint swatch ("Ink 40%") linked to its base. Spot tints separate as that percentage of their
plate (Separations Preview, PDF Separation value) instead of an ink-ratio guess. Adjust Color
Balance's Global mode (tint) shifts the tints of linked colours. The Color panel shows Tint
mode (the swatch chip, its name and a T slider) for linked colours; the Swatches panel
highlights the tint swatch in use. Gradient stops get the same link and tint fields (the
swatch walks cover them), so GradientStop is no longer Copy.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
bflatastic
2026-10-05 02:29:17 +07:00
co-authored by Claude Opus 5.5
parent e94748dc17
commit b2ececc7b4
42 changed files with 918 additions and 277 deletions
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docs/control-protocol.md
+1 -1
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@@ -76,7 +76,7 @@ as `ui.color_guide` (`variation`, `steps`, `amount`). Save Colors as Swatches ru
(one swatch per colour, one undo step).
Edit Colors dialogs: `ui.colorBalanceDialog` opens Adjust Colors (`colorBalance`: fields `mode` `gray`/`rgb`/`cmyk`/
`global`, the channels `r` `g` `b` / `c` `m` `y` `k` / `gray` from −100 to 100, `convert`, `fill`, `stroke`,
`global`, the channels `r` `g` `b` / `c` `m` `y` `k` / `gray` / `tint` (global mode) from −100 to 100, `convert`, `fill`, `stroke`,
`preview`) and `ui.saturateDialog` opens Saturate (`saturate`: `intensity` −100..100, `preview`). Both preview on the
canvas while open; `ui.dialog.confirm` keeps the result as one undo step (`edit.colors.adjustBalance` /
`edit.colors.saturate`) and `ui.dialog.cancel` rolls it back. Global mode answers with an error until tints of global
docs/mcp.md
+16
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@@ -428,3 +428,19 @@ fills and strokes become objects among its members, and its members are expanded
```json
{"name":"run_command","arguments":{"command":"effect.expandAppearance","params":{"ids":[12]}}}
```
## Tints of global and spot colours
A colour linked to a global or spot swatch has a tint (the reference app's T slider): `paint.setFill {swatch,
tint?: 0..100}` (and `paint.setStroke`) applies the swatch at that percentage, linked, so `swatch.edit` recolours it
at its own tint. `paint.proxies` and `document.inspect` show the paint as `{type: "solid", color, swatch, tint}`
(`tint` 0..1, left out at 100 %). `swatch.new {tint?}` with the current fill (or `swatch`) saves a tint swatch,
"Name 40%": `swatch.list` reports it with `tintOf` and `tint`, applying it links to its base at that tint, and it
follows edits of its base. A spot tint prints that percentage of its plate (Separations Preview, PDF Separation
value). `edit.colors.adjustBalance {tint: -100..100}` (Global mode) shifts the tints of the selection's linked
colours and leaves the rest alone.
```json
{"name":"run_command","arguments":{"command":"paint.setFill","params":{"swatch":"Ink","tint":40}}}
{"name":"run_command","arguments":{"command":"edit.colors.adjustBalance","params":{"mode":"global","tint":-20}}}
```