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Part of #885: the Transform effect's dialog takes Transform Each's controls

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Effect › Distort & Transform › Transform… was a plain list of fields.
It now has Transform Each's layout: Scale and Move with sliders, Rotate
with an angle dial, then Copies, Reflect X and Y, the reference point and
Random, kept with the effect so editing it from the Appearance panel
shows them again.

- The effect scales, rotates and reflects about the chosen point of the
  9-point grid (`reference`, the centre by default).
- Random takes a share of each value, drawn from the object's id: each
  object varies its own way and keeps its result on every redraw; a
  group's members move together.
- Copies stop before one reaches past 1e9 pt, and the scale and move are
  capped, so large values can't overflow.
- Transform Each and the effect share the sections and options code; the
  angle dial is a new widget.
- A plain number field now takes the focus when it is a dialog's first
  field, so both dialogs open with Scale › Horizontal ready for typing.

Transform Objects, Transform Patterns and Scale Strokes & Effects are not
in the effect yet: the geometry effects reshape paths only.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
bflatastic
2026-10-10 14:32:10 +07:00
co-authored by Claude Opus 5.5
parent da73a46137
commit 20e5a746bd
12 changed files with 291 additions and 68 deletions
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docs/control-protocol.md
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@@ -130,6 +130,9 @@ effects) prefilled with its values, and `ui.dialog.confirm` runs `effect.setPara
`effect.apply`. Choosing an effect that the list already has returns `{"pending": "effectExists"}` and opens the
`effectExists` question: `ui.dialog.confirm` opens the applied effect's dialog, `ui.dialog.set {field: "discard",
value: true}` then confirm opens a fresh one that adds another, `ui.dialog.cancel` drops it.
The Transform effect's dialog (`effect.dialog {effect: "distort.transform"}`) has Transform Each's controls: sliders
for `scaleH`, `scaleV` (%) and `moveH`, `moveV` (pt), an angle dial for `rotate`, then `copies`, `reflectX`,
`reflectY`, `reference` (0–8, the 9-point grid) and `random` (each object varies its own way, the same on every redraw).
Plug-in dialogs: `engine.execute {command: "plugin.dialog", params: {id}}` (Object › Plug-ins) runs an object filter
plug-in at once when it takes no parameters, else opens the `plugin` dialog: one field per declared parameter (named