1500 lines
67 KiB
Rust
1500 lines
67 KiB
Rust
//! Object menu: transforms, arrange, group, lock/hide, compound paths, clipping masks, isolation,
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//! align & distribute, object properties.
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use std::collections::BTreeSet;
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use std::sync::Arc;
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use serde_json::{Value, json};
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use vectorcraft_color::{BlendMode, Paint};
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use vectorcraft_doc::corners::set_corners;
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use vectorcraft_doc::{Appearance, Document, Knockout, LiveCorners, LiveShape, Node, NodeId, NodeKind, OrientedBox, Scaling};
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use vectorcraft_geom::shapes::CornerKind;
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use vectorcraft_geom::{Affine, FillRule, PathData, Point, Rect, Vec2};
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use super::edit::{duplicate_in, selected_roots};
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use super::opacitymask::percent;
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use super::*;
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use crate::EngineError;
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pub fn specs() -> Vec<CommandSpec> {
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vec![
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cmd!(
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"object.transform",
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"Transform",
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[],
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None,
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"{matrix: [a,b,c,d,e,f], copy?: bool, ids?, strokes?: bool, corners?: bool, typeAreas?: bool, patterns?: bool (Transform Patterns: pattern fills and strokes transform with the art; default: prefs transformPatternTiles)} apply an affine to the selection (or ids); strokes/corners: Scale Strokes & Effects / Scale Corners (default: the preferences); typeAreas: area type among them (not type inside a group) reshapes its frame by the matrix and its text reflows at its size, as a bounding-box handle drag does (default: the type transforms too)",
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has_doc,
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transform
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),
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cmd!(
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"object.move",
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"Move…",
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["Object", "Transform"],
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Some("Cmd+Shift+M"),
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"{dx, dy, copy?, patterns?: bool (Transform Patterns: pattern fills and strokes transform with the art; default: prefs transformPatternTiles)}",
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has_selection,
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move_cmd
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),
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cmd!(
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"object.rotate",
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"Rotate…",
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["Object", "Transform"],
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None,
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"{angle: deg (counter-clockwise), absolute?: bool (angle is the bounding box's new angle, not an amount), origin?: [x,y] (default: the bounding box centre), copy?, patterns?: bool (Transform Patterns: pattern fills and strokes transform with the art; default: prefs transformPatternTiles)} → {ids}",
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has_selection,
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rotate
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),
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cmd!(
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"object.scale",
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"Scale…",
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["Object", "Transform"],
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None,
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"{sx: %, sy?: %, origin?: [x,y], copy?, strokes?: bool (Scale Strokes & Effects: stroke weights, dashes and effect distances scale; off keeps them, type strokes included), corners?: bool (Scale Corners: live corner radii scale), patterns?: bool (Transform Patterns: pattern fills and strokes transform with the art; default: prefs transformPatternTiles)} (strokes/corners default to the preferences)",
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has_selection,
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scale
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),
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cmd!(
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"object.reflect",
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"Reflect…",
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["Object", "Transform"],
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None,
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"{axis: \"vertical\"|\"horizontal\"|deg, origin?, copy?, patterns?: bool (Transform Patterns: pattern fills and strokes transform with the art; default: prefs transformPatternTiles)}",
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has_selection,
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reflect
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),
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cmd!(
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"object.shear",
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"Shear…",
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["Object", "Transform"],
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None,
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"{angle: deg, axis?: \"horizontal\"|\"vertical\", origin?, copy?, patterns?: bool (Transform Patterns: pattern fills and strokes transform with the art; default: prefs transformPatternTiles)}",
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has_selection,
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shear
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),
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cmd!(
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"object.transformAgain",
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"Transform Again",
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["Object", "Transform"],
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Some("Cmd+D"),
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"{copy?, strokes?, corners?, patterns?, typeAreas?: bool (as object.transform's; default: the value the transform it repeats used, else object.transform's default)} the last transform's matrix on the selection (after a perspective move or scale: that plane-space transform, without these params)",
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has_selection,
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transform_again
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),
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cmd!(
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"object.nudge",
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"Nudge",
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[],
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None,
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"{dx: -1|0|1, dy: -1|0|1, big?: bool (×10), copy?: bool, patterns?: bool (Transform Patterns: pattern fills and strokes transform with the objects that move whole; default: prefs transformPatternTiles)} arrow-key nudge by the keyboard increment (the selected anchors, else objects, else ruler guides)",
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has_selection_or_guides,
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nudge
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),
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cmd!("object.arrange.bringToFront", "Bring to Front", ["Object", "Arrange"], Some("Cmd+Shift+]"), "{}", has_selection, |s, _| arrange(
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s,
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Arrange::Front
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)),
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cmd!("object.arrange.bringForward", "Bring Forward", ["Object", "Arrange"], Some("Cmd+]"), "{}", has_selection, |s, _| arrange(
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s,
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Arrange::Forward
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)),
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cmd!("object.arrange.sendBackward", "Send Backward", ["Object", "Arrange"], Some("Cmd+["), "{}", has_selection, |s, _| arrange(
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s,
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Arrange::Backward
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)),
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cmd!("object.arrange.sendToBack", "Send to Back", ["Object", "Arrange"], Some("Cmd+Shift+["), "{}", has_selection, |s, _| arrange(
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s,
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Arrange::Back
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)),
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cmd!("object.arrange.sendToCurrentLayer", "Send to Current Layer", ["Object", "Arrange"], None, "{}", has_selection, send_to_current_layer),
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cmd!("object.group", "Group", ["Object"], Some("Cmd+G"), "{} → {id}", has_selection, group),
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cmd!("object.ungroup", "Ungroup", ["Object"], Some("Cmd+Shift+G"), "{}", has_selection, ungroup),
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cmd!("object.lock", "Selection", ["Object", "Lock"], Some("Cmd+2"), "{}", has_selection, lock),
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cmd!("object.unlockAll", "Unlock All", ["Object"], Some("Cmd+Alt+2"), "{}", has_doc, unlock_all),
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cmd!("object.hide", "Selection", ["Object", "Hide"], Some("Cmd+3"), "{}", has_selection, hide),
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cmd!("object.showAll", "Show All", ["Object"], Some("Cmd+Alt+3"), "{}", has_doc, show_all),
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cmd!("object.compoundPath.make", "Make", ["Object", "Compound Path"], Some("Cmd+8"), "{}", has_selection, compound_make),
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cmd!(
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"object.compoundPath.release",
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"Release",
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["Object", "Compound Path"],
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Some("Cmd+Alt+Shift+8"),
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"{} release the selected compound paths into their paths, each with the compound path's paint; a path of several subpaths (an SVG `d` with several `M`s) splits into one path per subpath",
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has_selection,
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compound_release
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),
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cmd!(
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"object.clippingMask.make",
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"Make",
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["Object", "Clipping Mask"],
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Some("Cmd+7"),
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"{} the topmost selected object (a path, compound path or text, which loses its paint) clips the others: compound holes, even-odd fills and glyph outlines clip as drawn. Paint given to the clipping path later (paint commands with its id) shows: its fill behind the clipped art, its stroke over it → {id} of the clip group",
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has_multi,
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clip_make
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),
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cmd!(
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"object.clippingMask.release",
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"Release",
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["Object", "Clipping Mask"],
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Some("Cmd+Alt+7"),
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"{} the selected clip groups become plain groups; their clipping path (path, compound path or text) stays, with the paint it has (none unless painted after Make)",
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has_selection,
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clip_release
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),
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cmd!(
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"object.clippingMask.editContents",
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"Edit Contents",
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["Object", "Clipping Mask"],
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None,
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"{} select the clipped art of the selected clip groups → {count}",
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has_selection,
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|s, _| clip_edit(s, false)
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),
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cmd!(
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"object.clippingMask.editMask",
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"Edit Clipping Path",
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["Object", "Clipping Mask"],
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None,
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"{} select the clipping paths of the selected clip groups → {count}",
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has_selection,
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|s, _| clip_edit(s, true)
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),
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cmd!("object.isolate", "Enter Isolation Mode", [], None, "{id}", has_doc, isolate),
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cmd!("object.exitIsolation", "Exit Isolation Mode", [], None, "{}", has_doc, exit_isolation),
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cmd!(
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"object.setProps",
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"Object Properties",
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[],
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None,
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"{ids?|id?, name?, visible?, locked? (visible: false or locked: true deselects every selected object hidden or locked after the call, the key object included), opacity?: 0..100, blend?: \"Multiply\"…, isolate?, knockout?: \"on\"|\"off\"|\"neutral\"|bool (true = on, false = neutral), knockoutShape?: bool, data?: {key: \"value\" | null (removes it)} (the object's own data, SVG data-* attributes: {pivot: \"100,180\"} is data-pivot; document.node → attrs.data)}",
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has_doc,
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set_props
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),
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cmd!(
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"object.align",
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"Align",
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["Window", "Align"],
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None,
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"{horizontal?: \"left\"|\"center\"|\"right\", vertical?: \"top\"|\"center\"|\"bottom\", to?: \"selection\"|\"artboard\"|\"key\" (default: the key object when the selection has one, select.key, else the selection), artboard?: index (0-based; with to: \"artboard\", the artboard to align to; the app passes the active one; default: the artboard under the center of the selection, else the first), bounds?: \"preview\"|\"geometric\" (default: the Use Preview Bounds preference; preview bounds take in strokes), patterns?: bool (Transform Patterns: pattern fills and strokes transform with the art; default: prefs transformPatternTiles)} With anchor points selected (Direct Selection), the points align instead: to their own bounds, or to the artboard (#1180)",
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has_selection,
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align
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),
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cmd!(
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"object.distribute",
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"Distribute",
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["Window", "Align"],
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None,
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"{horizontal?: \"left\"|\"center\"|\"right\", vertical?: \"top\"|\"center\"|\"bottom\", bounds?: \"preview\"|\"geometric\" (default: the Use Preview Bounds preference; preview bounds take in strokes), patterns?: bool (Transform Patterns: pattern fills and strokes transform with the art; default: prefs transformPatternTiles)}",
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has_multi,
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distribute
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),
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cmd!(
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"object.distributeSpacing",
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"Distribute Spacing",
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["Window", "Align"],
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None,
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"{axis: \"horizontal\"|\"vertical\", spacing?: pt (the key object, select.key, stays put and the others are spaced from it), bounds?: \"preview\"|\"geometric\" (default: the Use Preview Bounds preference; preview bounds take in strokes), patterns?: bool (Transform Patterns: pattern fills and strokes transform with the art; default: prefs transformPatternTiles)}",
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has_multi,
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distribute_spacing
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),
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cmd!(
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"object.setBounds",
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"Set Bounds",
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[],
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None,
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"{x?, y?, width?, height?, reference?: 0..8 (9-point grid), proportional?, strokes?, corners?} (Transform panel; width/height and the reference point follow the bounding box, rotated with rotated objects; x, y are page coordinates; with Use Preview Bounds the values measure the visual bounds; strokes/corners as object.scale)",
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has_selection,
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set_bounds
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),
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cmd!("object.expandShape", "Expand Shape", ["Object", "Shape"], None, "{} convert live shapes to plain paths", has_selection, expand_shape),
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cmd!(
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"object.setLiveShape",
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"Live Shape Properties",
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[],
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None,
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"{id?, ids?, radius?: pt, kind?: \"round\"|\"invertedRound\"|\"chamfer\", corners?: [i…], items?: [{id, corners?: [i…]}] (several objects, each with its own corners, in place of ids and corners: the canvas's corner widgets across a selection), sides?: n, polygonAngle?: degrees (counterclockwise from its first vertex straight up), polygonRadius?: pt (centre to vertex), sideLength?: pt (sets the radius), makeSidesEqual?: true (a polygon scaled unevenly: drops the uneven scale and shear, keeping its centre, angle and mean radius), pieStart?, pieEnd?: degrees (an ellipse's pie, counterclockwise from 3 o'clock; 0 to 360 is the whole ellipse), invertPie?: true (swaps them: the other part of the ellipse)} (Live Corners on any path: radius and kind set its corners (anchors that aren't smooth, where two sides, straight or curved (#1144), meet at an angle): `corners` (anchor indices of the path with its corners uncut, counting every subpath's anchors in order: a rectangle's 0 top-left, 1 top-right, 2 bottom-right, 3 bottom-left; a polygon's from the first vertex clockwise), else the corners with a Direct-Selected anchor, else every corner; each radius is drawn no larger than half the corner's shorter side allows; a path that isn't a live shape keeps its uncut outline so its corners stay editable, and is plain again once none is cut; sides: a polygon's, which keep the radius they shared; the polygon params apply in that order: sides, makeSidesEqual, polygonAngle, then sideLength or else polygonRadius)",
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has_selection,
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set_live_shape
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),
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]
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}
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fn origin_of(s: &Session, p: &Value, ids: &[NodeId]) -> Result<Point> {
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if let Some(o) = point_param(p, "origin") {
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return Ok(o);
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}
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s.transform_box(ids).map(|b| b.center()).ok_or_else(|| EngineError::Other("selection has no bounds".into()))
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}
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/// What a transform command scales besides geometry: Scale Strokes & Effects and Scale Corners from
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/// its `strokes` and `corners` params, else the preferences. The values join the command's journal
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/// entry, so replaying it scales the same way whatever the preferences are then.
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pub(crate) fn scaling(s: &mut Session, p: &Value) -> Scaling {
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let strokes = bool_or(p, "strokes", s.prefs.scale_strokes);
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let corners = bool_or(p, "corners", s.prefs.scale_corners);
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s.note_journal("strokes", json!(strokes));
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s.note_journal("corners", json!(corners));
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Scaling {
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strokes,
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effects: strokes.then_some(vectorcraft_render::effects::scale_effect),
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keep_type_strokes: !strokes,
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keep_corners: !corners,
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..Scaling::default()
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}
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}
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/// Transform Patterns: do the pattern fills and strokes of `ids` transform with them (`patterns`
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/// param, else General › Transform Pattern Tiles)? Noted in the journal when they use a pattern,
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/// so a replay moves their tiles alike whatever the preference is then.
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pub(crate) fn transform_patterns(s: &mut Session, p: &Value, ids: &[NodeId]) -> Result<bool> {
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let on = bool_or(p, "patterns", s.prefs.transform_pattern_tiles);
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let d = &s.doc()?.doc;
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let mut uses = false;
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let paths = d.index_paths(ids.iter().copied());
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for n in ids.iter().filter_map(|id| paths.get(id)).filter_map(|p| d.node_at(p)) {
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n.walk(&mut |c| uses |= vectorcraft_doc::pattern::uses_pattern(c, None));
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}
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if uses {
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s.note_journal("patterns", json!(on));
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}
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Ok(on)
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}
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/// Apply `xf` to `ids` (`copy` param: duplicate first; `strokes`/`corners`: see [`scaling`];
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/// `patterns`: see [`transform_patterns`]; `typeAreas`: see [`resize_type_area`]). Outside an
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/// interaction, records `xf` and the options it used for Transform Again.
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pub(crate) fn apply_transform(s: &mut Session, label: &str, ids: Vec<NodeId>, xf: Affine, p: &Value) -> Result<Value> {
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let copy = bool_or(p, "copy", false);
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let areas = bool_or(p, "typeAreas", false);
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let mut sc = if Scaling::factor(xf).is_some() { scaling(s, p) } else { Scaling::default() };
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sc.patterns = transform_patterns(s, p, &ids)?;
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// A transform of ids that name no object, or an identity transform without a copy, moves
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// nothing: the document and its undo history stay as they are, and Transform Again repeats it.
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// With a copy, the reply lists the copies, and there are none.
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let d = &s.doc()?.doc;
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let none = d.index_paths(ids.iter().copied()).is_empty();
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let ids = if none || (!copy && xf == Affine::IDENTITY) {
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if copy { vec![] } else { ids }
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} else {
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s.edit(label, |d, sel| {
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let targets = if copy { duplicate_in(d, sel, &ids, Affine::IDENTITY)? } else { ids.clone() };
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// Transforms don't move nodes in the tree, so the paths found up front stay right.
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let paths = d.index_paths(targets.iter().copied());
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for id in &targets {
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if let Some(n) = paths.get(id).and_then(|p| d.node_mut_at(p))
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&& !(areas && resize_type_area(n, xf))
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{
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n.transform(xf, sc);
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}
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}
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Ok(targets)
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})?
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};
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let st = s.doc_mut()?;
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if st.interaction.is_none() {
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let mut options = json!({ "copy": copy, "typeAreas": areas, "patterns": sc.patterns });
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if Scaling::factor(xf).is_some() {
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options["strokes"] = json!(sc.strokes);
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options["corners"] = json!(!sc.keep_corners);
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}
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st.last_transform = Some((xf, options));
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st.last_perspective = None;
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}
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Ok(json!({ "ids": ids.iter().map(|i| i.0).collect::<Vec<_>>() }))
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}
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/// Area type resized by its bounding box: `xf` reshapes its frame (the type area) and the text
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/// reflows at its size. False for anything else (and type in perspective), which transforms as
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/// usual.
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fn resize_type_area(n: &mut Node, xf: Affine) -> bool {
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if n.extras().perspective.is_some() {
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return false;
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}
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let NodeKind::Text(t) = &mut n.kind else { return false };
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super::typecmd::reshape_area_with(t, |t| t.transform_area(xf))
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}
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fn transform(s: &mut Session, p: &Value) -> Result<Value> {
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let m = matrix_param(p, "matrix").ok_or_else(|| bad("object.transform", "missing matrix [a,b,c,d,e,f]"))?;
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let ids = match ids_param(p, "ids") {
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Some(v) => v,
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None => selected_roots(s)?,
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};
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apply_transform(s, "Transform", ids, m, p)
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}
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fn move_cmd(s: &mut Session, p: &Value) -> Result<Value> {
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let ids = selected_roots(s)?;
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apply_transform(s, "Move", ids, Affine::translate((f64_or(p, "dx", 0.0), f64_or(p, "dy", 0.0))), p)
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}
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fn nudge(s: &mut Session, p: &Value) -> Result<Value> {
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let k = s.prefs.keyboard_increment * if bool_or(p, "big", false) { 10.0 } else { 1.0 };
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let dx = f64_or(p, "dx", 0.0) * k;
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let dy = f64_or(p, "dy", 0.0) * k;
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if !s.doc()?.selection.anchors.is_empty() {
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// When the anchors move by 0, the document and its undo history stay as they are.
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if dx == 0.0 && dy == 0.0 {
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return ok();
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}
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return super::path::move_anchors(s, &json!({ "dx": dx, "dy": dy, "patterns": p.get("patterns") }));
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}
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if s.doc()?.selection.is_empty() {
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let copy = bool_or(p, "copy", false);
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// When guides move by 0 without a copy, the document and its undo history stay as they are.
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if dx == 0.0 && dy == 0.0 && !copy {
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return ok();
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}
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return super::docmenu::guide_move(s, &json!({ "dx": dx, "dy": dy, "copy": copy }));
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}
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let ids = selected_roots(s)?;
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apply_transform(s, "Move", ids, Affine::translate((dx, dy)), p)
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}
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fn about(o: Point, a: Affine) -> Affine {
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Affine::translate(o.to_vec2()) * a * Affine::translate(-o.to_vec2())
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}
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fn rotate(s: &mut Session, p: &Value) -> Result<Value> {
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let ids = selected_roots(s)?;
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let o = origin_of(s, p, &ids)?;
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let mut angle = f64_or(p, "angle", 0.0);
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if bool_or(p, "absolute", false) {
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angle = vectorcraft_geom::normalize_deg(angle - s.doc()?.doc.bbox_angle(&ids));
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}
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// Angles are counter-clockwise; y is down, so negate.
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let a = about(o, Affine::rotate(-angle.to_radians()));
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apply_transform(s, "Rotate", ids, a, p)
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}
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fn scale(s: &mut Session, p: &Value) -> Result<Value> {
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let ids = selected_roots(s)?;
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let o = origin_of(s, p, &ids)?;
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let sx = f64_req(p, "sx", "object.scale")? / 100.0;
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let sy = f64_or(p, "sy", sx * 100.0) / 100.0;
|
||
if sx == 0.0 || sy == 0.0 {
|
||
return Err(bad("object.scale", "scale must be non-zero"));
|
||
}
|
||
apply_transform(s, "Scale", ids, about(o, Affine::scale_non_uniform(sx, sy)), p)
|
||
}
|
||
|
||
fn reflect(s: &mut Session, p: &Value) -> Result<Value> {
|
||
let ids = selected_roots(s)?;
|
||
let o = origin_of(s, p, &ids)?;
|
||
let m = match p.get("axis") {
|
||
Some(Value::String(a)) if a == "horizontal" => Affine::scale_non_uniform(1.0, -1.0),
|
||
Some(Value::Number(n)) => {
|
||
let t = -n.as_f64().unwrap_or(90.0).to_radians();
|
||
Affine::rotate(t) * Affine::scale_non_uniform(1.0, -1.0) * Affine::rotate(-t)
|
||
}
|
||
None | Some(Value::Null) => Affine::scale_non_uniform(-1.0, 1.0),
|
||
Some(Value::String(a)) if a == "vertical" => Affine::scale_non_uniform(-1.0, 1.0),
|
||
Some(v) => {
|
||
let given = v.as_str().map_or_else(|| v.to_string(), str::to_string);
|
||
return Err(bad("object.reflect", format!("axis must be \"vertical\", \"horizontal\" or an angle in degrees, not `{given}`")));
|
||
}
|
||
};
|
||
apply_transform(s, "Reflect", ids, about(o, m), p)
|
||
}
|
||
|
||
fn shear(s: &mut Session, p: &Value) -> Result<Value> {
|
||
let ids = selected_roots(s)?;
|
||
let o = origin_of(s, p, &ids)?;
|
||
let t = f64_or(p, "angle", 0.0).clamp(-89.0, 89.0).to_radians().tan();
|
||
let vertical = choice(p, "object.shear", "axis", &["horizontal", "vertical"])? == Some("vertical");
|
||
let m = if vertical { Affine::new([1.0, t, 0.0, 1.0, 0.0, 0.0]) } else { Affine::new([1.0, 0.0, -t, 1.0, 0.0, 0.0]) };
|
||
apply_transform(s, "Shear", ids, about(o, m), p)
|
||
}
|
||
|
||
/// The last transform's matrix on the selection, with the options `last_transform` keeps for it; an
|
||
/// option that `p` sets to true or false (a recorded Transform Again's) takes precedence.
|
||
fn transform_again(s: &mut Session, p: &Value) -> Result<Value> {
|
||
if let Some(again) = s.doc()?.last_perspective.clone() {
|
||
return super::distortcmds::transform_again(s, &again);
|
||
}
|
||
let (m, mut options) = s.doc()?.last_transform.clone().ok_or_else(|| EngineError::Other("no previous transform".into()))?;
|
||
if let (Some(o), Some(given)) = (options.as_object_mut(), p.as_object()) {
|
||
o.extend(given.iter().filter(|(_, v)| v.is_boolean()).map(|(k, v)| (k.clone(), v.clone())));
|
||
}
|
||
let ids = selected_roots(s)?;
|
||
apply_transform(s, "Transform Again", ids, m, &options)
|
||
}
|
||
|
||
enum Arrange {
|
||
Front,
|
||
Forward,
|
||
Backward,
|
||
Back,
|
||
}
|
||
|
||
fn arrange(s: &mut Session, how: Arrange) -> Result<Value> {
|
||
let mut ids = selected_roots(s)?;
|
||
if matches!(how, Arrange::Forward | Arrange::Front) {
|
||
ids.reverse();
|
||
}
|
||
let label = match how {
|
||
Arrange::Front => "Bring to Front",
|
||
Arrange::Forward => "Bring Forward",
|
||
Arrange::Backward => "Send Backward",
|
||
Arrange::Back => "Send to Back",
|
||
};
|
||
// When nothing changes order, the document and its undo history stay as they are.
|
||
super::overprint::edit_counted(s, label, |d| {
|
||
let mut moved = 0;
|
||
// Arrange within each parent independently (selections may span layers/groups).
|
||
let mut by_parent: Vec<(Option<vectorcraft_doc::NodeId>, Vec<vectorcraft_doc::NodeId>)> = vec![];
|
||
for id in &ids {
|
||
let par = d.parent_of(*id);
|
||
match by_parent.iter_mut().find(|(p, _)| *p == par) {
|
||
Some((_, v)) => v.push(*id),
|
||
None => by_parent.push((par, vec![*id])),
|
||
}
|
||
}
|
||
for (par, group) in by_parent {
|
||
for (k, id) in group.iter().enumerate() {
|
||
let Some((_, idx, len)) = d.position(*id) else { continue };
|
||
if len == 0 {
|
||
continue;
|
||
}
|
||
let last = len - 1;
|
||
let to = match how {
|
||
Arrange::Front => last.saturating_sub(k),
|
||
Arrange::Back => k.min(last),
|
||
Arrange::Forward => (idx + 1).min(last.saturating_sub(k)).max(idx),
|
||
Arrange::Backward => idx.saturating_sub(1).max(k.min(idx)),
|
||
};
|
||
if to != idx {
|
||
d.move_node(*id, par, to)?;
|
||
moved += 1;
|
||
}
|
||
}
|
||
}
|
||
Ok(moved)
|
||
})?;
|
||
ok()
|
||
}
|
||
|
||
fn send_to_current_layer(s: &mut Session, _: &Value) -> Result<Value> {
|
||
let ids = selected_roots(s)?;
|
||
// Ids are reused after undo: the remembered current layer must still be a layer.
|
||
let st = s.doc()?;
|
||
let layer = st.current_layer().or_else(|| st.doc.default_layer()).ok_or_else(|| EngineError::Other("no current layer".into()))?;
|
||
// When the current layer is hidden or locked, or is inside a hidden or locked layer, the
|
||
// command fails with the error that `DocState::target_parent` gives for new art.
|
||
if !st.doc.is_editable(layer) {
|
||
return Err(EngineError::Other("the target layer is locked or hidden".into()));
|
||
}
|
||
// When the selected objects are already the topmost in the current layer, in paint order, the
|
||
// document and its undo history stay as they are.
|
||
if st.doc.children(Some(layer)).is_some_and(|c| c.iter().rev().map(|n| n.id).take(ids.len()).eq(ids.iter().rev().copied())) {
|
||
return ok();
|
||
}
|
||
s.edit("Send to Current Layer", |d, _| {
|
||
for id in &ids {
|
||
d.move_node(*id, Some(layer), usize::MAX)?;
|
||
}
|
||
Ok(())
|
||
})?;
|
||
ok()
|
||
}
|
||
|
||
fn group(s: &mut Session, _: &Value) -> Result<Value> {
|
||
let ids = selected_roots(s)?;
|
||
let gid = s.edit("Group", |d, sel| {
|
||
let gid = group_nodes(d, &ids)?;
|
||
sel.set([gid]);
|
||
Ok(gid)
|
||
})?;
|
||
Ok(json!({ "id": gid.0 }))
|
||
}
|
||
|
||
/// Put `ids` (top-level objects, in paint order) in a new group where the front-most one was.
|
||
pub(crate) fn group_nodes(d: &mut Document, ids: &[NodeId]) -> Result<NodeId> {
|
||
let Some(top) = ids.last().copied() else { return Err(EngineError::Other("nothing selected".into())) };
|
||
let (par, idx, _) = d.position(top).ok_or(EngineError::NoNode(top))?;
|
||
let gid = d.alloc_id();
|
||
d.insert(par, idx + 1, Node::group(gid, vec![]))?;
|
||
for id in ids {
|
||
d.move_node(*id, Some(gid), usize::MAX)?;
|
||
}
|
||
Ok(gid)
|
||
}
|
||
|
||
fn ungroup(s: &mut Session, _: &Value) -> Result<Value> {
|
||
let ids = selected_roots(s)?;
|
||
// With no group selected, the document, the selection and the undo history stay as they are.
|
||
let d = &s.doc()?.doc;
|
||
if !ids.iter().any(|id| d.node(*id).is_some_and(|n| matches!(n.kind, NodeKind::Group { .. }))) {
|
||
return ok();
|
||
}
|
||
s.edit("Ungroup", |d, sel| {
|
||
let mut new_sel = vec![];
|
||
for id in &ids {
|
||
let Some(n) = d.node(*id) else { continue };
|
||
let NodeKind::Group { children, clip } = &n.kind else {
|
||
new_sel.push(*id);
|
||
continue;
|
||
};
|
||
let children = children.clone();
|
||
let clip = *clip;
|
||
let (par, idx, _) = d.position(*id).ok_or(EngineError::NoNode(*id))?;
|
||
let opacity = n.opacity;
|
||
d.remove(*id)?;
|
||
for (k, c) in children.into_iter().enumerate() {
|
||
let mut c = (*c).clone();
|
||
// The clipping path keeps its paint (none, unless painted after Make).
|
||
if clip
|
||
&& k == 0
|
||
&& let NodeKind::Path { clipping, .. } = &mut c.kind
|
||
{
|
||
*clipping = false;
|
||
}
|
||
c.opacity *= opacity;
|
||
new_sel.push(c.id);
|
||
d.insert(par, idx + k, c)?;
|
||
}
|
||
}
|
||
sel.set(new_sel);
|
||
Ok(())
|
||
})?;
|
||
ok()
|
||
}
|
||
|
||
fn lock(s: &mut Session, _: &Value) -> Result<Value> {
|
||
let ids = selected_roots(s)?;
|
||
// With every selected object already locked, the document and its undo history stay as they
|
||
// are, and the objects are deselected.
|
||
let d = &s.doc()?.doc;
|
||
if ids.iter().all(|id| d.node(*id).is_none_or(|n| n.locked)) {
|
||
s.select(|_, sel| sel.clear())?;
|
||
return ok();
|
||
}
|
||
s.edit("Lock", |d, sel| {
|
||
for id in &ids {
|
||
if let Some(n) = d.node_mut(*id) {
|
||
n.locked = true;
|
||
}
|
||
}
|
||
sel.clear();
|
||
Ok(())
|
||
})?;
|
||
ok()
|
||
}
|
||
|
||
fn collect_flag(d: &Document, f: impl Fn(&Node) -> bool) -> Vec<NodeId> {
|
||
let mut v = vec![];
|
||
d.walk(|n| {
|
||
if !n.is_layer() && f(n) {
|
||
v.push(n.id)
|
||
}
|
||
});
|
||
v
|
||
}
|
||
|
||
fn unlock_all(s: &mut Session, _: &Value) -> Result<Value> {
|
||
let ids = collect_flag(&s.doc()?.doc, |n| n.locked);
|
||
// With nothing locked, the document, the selection and the undo history stay as they are.
|
||
if ids.is_empty() {
|
||
return Ok(json!({ "count": 0 }));
|
||
}
|
||
s.edit("Unlock All", |d, sel| {
|
||
for id in &ids {
|
||
if let Some(n) = d.node_mut(*id) {
|
||
n.locked = false;
|
||
}
|
||
}
|
||
sel.set(ids.iter().copied());
|
||
Ok(())
|
||
})?;
|
||
Ok(json!({ "count": ids.len() }))
|
||
}
|
||
|
||
fn hide(s: &mut Session, _: &Value) -> Result<Value> {
|
||
let ids = selected_roots(s)?;
|
||
// With every selected object already hidden, the document and its undo history stay as they
|
||
// are, and the objects are deselected.
|
||
let d = &s.doc()?.doc;
|
||
if ids.iter().all(|id| d.node(*id).is_none_or(|n| !n.visible)) {
|
||
s.select(|_, sel| sel.clear())?;
|
||
return ok();
|
||
}
|
||
s.edit("Hide", |d, sel| {
|
||
for id in &ids {
|
||
if let Some(n) = d.node_mut(*id) {
|
||
n.visible = false;
|
||
}
|
||
}
|
||
sel.clear();
|
||
Ok(())
|
||
})?;
|
||
ok()
|
||
}
|
||
|
||
fn show_all(s: &mut Session, _: &Value) -> Result<Value> {
|
||
let ids = collect_flag(&s.doc()?.doc, |n| !n.visible);
|
||
// With nothing hidden, the document, the selection and the undo history stay as they are.
|
||
if ids.is_empty() {
|
||
return Ok(json!({ "count": 0 }));
|
||
}
|
||
s.edit("Show All", |d, sel| {
|
||
for id in &ids {
|
||
if let Some(n) = d.node_mut(*id) {
|
||
n.visible = true;
|
||
}
|
||
}
|
||
sel.set(ids.iter().copied());
|
||
Ok(())
|
||
})?;
|
||
Ok(json!({ "count": ids.len() }))
|
||
}
|
||
|
||
fn compound_make(s: &mut Session, _: &Value) -> Result<Value> {
|
||
let ids = selected_roots(s)?;
|
||
let Some(backmost) = ids.first().copied() else { return Err(EngineError::Other("nothing selected".into())) };
|
||
let top = ids.last().copied().unwrap_or(backmost);
|
||
let id = s.edit("Make Compound Path", |d, sel| {
|
||
let appearance = d.node(backmost).ok_or(EngineError::NoNode(backmost))?.appearance.clone();
|
||
let (par, idx, _) = d.position(top).ok_or(EngineError::NoNode(top))?;
|
||
let mut paths: Vec<Arc<Node>> = vec![];
|
||
for id in &ids {
|
||
let n = d.node(*id).cloned().ok_or(EngineError::NoNode(*id))?;
|
||
match &n.kind {
|
||
NodeKind::Path { .. } => paths.push(Arc::new(n)),
|
||
NodeKind::Compound { children, .. } => paths.extend(children.iter().cloned()),
|
||
NodeKind::Group { .. } => {
|
||
n.walk(&mut |c| {
|
||
if matches!(c.kind, NodeKind::Path { .. }) {
|
||
paths.push(Arc::new(c.clone()))
|
||
}
|
||
});
|
||
}
|
||
_ => return Err(EngineError::Other("compound paths can only contain paths".into())),
|
||
}
|
||
}
|
||
let cid = d.alloc_id();
|
||
let mut c = Node::new(cid, NodeKind::Compound { children: vec![], rule: FillRule::NonZero });
|
||
c.appearance = appearance;
|
||
d.insert(par, idx + 1, c)?;
|
||
for id in &ids {
|
||
d.remove(*id)?;
|
||
}
|
||
let ch = d.node_mut(cid).and_then(|n| n.children_mut()).ok_or(EngineError::NoNode(cid))?;
|
||
// The paths in front run against the backmost one, so where they overlap it they cut holes
|
||
// under the non-zero fill rule (#1197).
|
||
let direction = |n: &Node| n.path_data().and_then(|pd| pd.subpaths.first()).map_or(0.0, |sp| sp.signed_area().signum());
|
||
let back = paths.first().map_or(0.0, |p| direction(p));
|
||
for (i, mut p) in paths.into_iter().enumerate() {
|
||
let pn = Arc::make_mut(&mut p);
|
||
pn.appearance = Appearance::default().into();
|
||
let flip = i > 0 && back != 0.0 && direction(pn) == back;
|
||
if let NodeKind::Path { path, live, .. } = &mut pn.kind {
|
||
*live = None;
|
||
if flip {
|
||
path.reverse();
|
||
}
|
||
}
|
||
ch.push(p);
|
||
}
|
||
sel.set([cid]);
|
||
Ok(cid)
|
||
})?;
|
||
Ok(json!({ "id": id.0 }))
|
||
}
|
||
|
||
/// Is `n` a compound path to release: a compound path, or a path of several subpaths (an SVG `d`
|
||
/// with several `M`s, a PDF path), which is one in Illustrator too (#1163)?
|
||
fn releases(n: &Node) -> bool {
|
||
match &n.kind {
|
||
NodeKind::Compound { .. } => true,
|
||
NodeKind::Path { path, .. } => path.subpaths.len() > 1,
|
||
_ => false,
|
||
}
|
||
}
|
||
|
||
fn compound_release(s: &mut Session, _: &Value) -> Result<Value> {
|
||
let ids = selected_roots(s)?;
|
||
// With no compound path selected, the document, the selection and the undo history stay as
|
||
// they are.
|
||
let d = &s.doc()?.doc;
|
||
if !ids.iter().any(|id| d.node(*id).is_some_and(releases)) {
|
||
return ok();
|
||
}
|
||
s.edit("Release Compound Path", |d, sel| {
|
||
let mut out = vec![];
|
||
for id in &ids {
|
||
let Some(n) = d.node(*id).cloned().filter(releases) else { continue };
|
||
let (par, idx, _) = d.position(*id).ok_or(EngineError::NoNode(*id))?;
|
||
d.remove(*id)?;
|
||
match &n.kind {
|
||
NodeKind::Compound { children, .. } => {
|
||
for (k, c) in children.iter().enumerate() {
|
||
let mut c = (**c).clone();
|
||
c.appearance = n.appearance.clone();
|
||
out.push(c.id);
|
||
d.insert(par, idx + k, c)?;
|
||
}
|
||
}
|
||
// Each subpath becomes a path of its own with the path's paint, in the same
|
||
// stacking order; the first keeps the path's id.
|
||
NodeKind::Path { path, .. } => {
|
||
for (k, sp) in path.subpaths.iter().enumerate() {
|
||
let mut c = if k == 0 { n.clone() } else { d.reid(&n) };
|
||
if let NodeKind::Path { path, live, .. } = &mut c.kind {
|
||
(*path, *live) = (PathData::single(sp.clone()), None);
|
||
}
|
||
out.push(c.id);
|
||
d.insert(par, idx + k, c)?;
|
||
}
|
||
}
|
||
_ => {}
|
||
}
|
||
}
|
||
sel.set(out);
|
||
Ok(())
|
||
})?;
|
||
ok()
|
||
}
|
||
|
||
/// Make `top` (a path, compound path or text object) the clipping path: it loses its paint (it
|
||
/// stays unpainted after Release).
|
||
pub(super) fn make_clipping_path(d: &mut Document, top: NodeId) -> Result<()> {
|
||
as_clipping_path(d.node_mut(top).ok_or(EngineError::NoNode(top))?)
|
||
}
|
||
|
||
/// Turn path, compound path or text `c` into a clipping path (its paint goes).
|
||
pub(super) fn as_clipping_path(c: &mut Node) -> Result<()> {
|
||
if !matches!(c.kind, NodeKind::Path { guide: false, .. } | NodeKind::Compound { .. } | NodeKind::Text(_)) {
|
||
return Err(EngineError::Other("the top object must be a path, compound path or text object to use as a clipping mask".into()));
|
||
}
|
||
c.appearance = Appearance::basic(Paint::None, Paint::None, 0.0).into();
|
||
match &mut c.kind {
|
||
NodeKind::Path { clipping, .. } => *clipping = true,
|
||
NodeKind::Text(t) => {
|
||
for r in &mut t.runs {
|
||
(r.style.fill, r.style.stroke) = (Paint::None, Paint::None);
|
||
}
|
||
}
|
||
_ => {}
|
||
}
|
||
Ok(())
|
||
}
|
||
|
||
/// Stop clip group or clipped layer `id` clipping; its clipping path stays, with its paint.
|
||
pub(super) fn release_clip(d: &mut Document, id: NodeId) {
|
||
let Some(n) = d.node_mut(id).filter(|n| n.clips()) else { return };
|
||
n.set_clips(false);
|
||
let clip = n.children().and_then(|c| c.first()).map(|c| c.id);
|
||
if let Some(c) = clip.and_then(|c| d.node_mut(c))
|
||
&& let NodeKind::Path { clipping, .. } = &mut c.kind
|
||
{
|
||
*clipping = false;
|
||
}
|
||
}
|
||
|
||
fn clip_make(s: &mut Session, _: &Value) -> Result<Value> {
|
||
let ids = selected_roots(s)?;
|
||
let Some(&top) = ids.last() else { return Err(EngineError::Other("nothing selected".into())) };
|
||
let gid = s.edit("Make Clipping Mask", |d, sel| {
|
||
make_clipping_path(d, top)?;
|
||
let (par, idx, _) = d.position(top).ok_or(EngineError::NoNode(top))?;
|
||
let gid = d.alloc_id();
|
||
d.insert(par, idx + 1, Node::new(gid, NodeKind::Group { children: vec![], clip: true }))?;
|
||
d.move_node(top, Some(gid), 0)?;
|
||
for id in &ids[..ids.len() - 1] {
|
||
d.move_node(*id, Some(gid), usize::MAX)?;
|
||
}
|
||
sel.set([gid]);
|
||
Ok(gid)
|
||
})?;
|
||
Ok(json!({ "id": gid.0 }))
|
||
}
|
||
|
||
fn clip_release(s: &mut Session, _: &Value) -> Result<Value> {
|
||
let ids = selected_roots(s)?;
|
||
// With no clip group selected, the document and its undo history stay as they are.
|
||
let d = &s.doc()?.doc;
|
||
if !ids.iter().any(|id| d.node(*id).is_some_and(Node::clips)) {
|
||
return ok();
|
||
}
|
||
s.edit("Release Clipping Mask", |d, _| {
|
||
for id in &ids {
|
||
release_clip(d, *id);
|
||
}
|
||
Ok(())
|
||
})?;
|
||
ok()
|
||
}
|
||
|
||
/// Selects the clipping path (`mask`) or the clipped contents of every selected clip group (or of the
|
||
/// clip group containing a selected object), like Illustrator's Edit Contents / Edit Clipping Path toggle.
|
||
fn clip_edit(s: &mut Session, mask: bool) -> Result<Value> {
|
||
let st = s.doc()?;
|
||
let mut ids = vec![];
|
||
for id in st.selection.objects.iter().copied() {
|
||
let mut cur = Some(id);
|
||
while let Some(c) = cur {
|
||
if let Some(NodeKind::Group { children, clip: true }) = st.doc.node(c).map(|n| &n.kind) {
|
||
if mask {
|
||
ids.extend(children.first().map(|c| c.id));
|
||
} else {
|
||
ids.extend(children.iter().skip(1).map(|c| c.id));
|
||
}
|
||
break;
|
||
}
|
||
cur = st.doc.position(c).and_then(|(par, _, _)| par);
|
||
}
|
||
}
|
||
ids.dedup();
|
||
if ids.is_empty() {
|
||
return Err(EngineError::Other("select a clip group".into()));
|
||
}
|
||
s.select(|_, sel| sel.set(ids.iter().copied()))?;
|
||
Ok(json!({ "count": ids.len() }))
|
||
}
|
||
|
||
fn isolate(s: &mut Session, p: &Value) -> Result<Value> {
|
||
let id = id_param(p, "id")
|
||
.or_else(|| s.active().and_then(|d| d.selection.objects.first().copied()))
|
||
.ok_or_else(|| bad("object.isolate", "missing id"))?;
|
||
let st = s.doc_mut()?;
|
||
// Groups, layers and single objects (a path, a compound path, an image…); type isn't
|
||
// isolated: a double-click on it edits its text.
|
||
if matches!(st.doc.node(id).ok_or(EngineError::NoNode(id))?.kind, NodeKind::Text(_)) {
|
||
return Err(bad("object.isolate", "type objects can't be isolated"));
|
||
}
|
||
let isolation = st.doc.node(id).filter(|n| n.extras().shaper.is_some()).and_then(|n| n.children()).and_then(|c| c.first()).map_or(id, |n| n.id);
|
||
st.isolation = Some(isolation);
|
||
st.selection.clear();
|
||
st.revision += 1;
|
||
ok()
|
||
}
|
||
|
||
fn exit_isolation(s: &mut Session, _: &Value) -> Result<Value> {
|
||
let st = s.doc_mut()?;
|
||
if let Some(i) = st.isolation.take() {
|
||
super::distortcmds::finish_edit_text(st, i);
|
||
let target = st.doc.parent_of(i).filter(|p| st.doc.node(*p).is_some_and(|n| n.extras().shaper.is_some())).unwrap_or(i);
|
||
st.selection.set([target]);
|
||
}
|
||
st.revision += 1;
|
||
ok()
|
||
}
|
||
|
||
/// The most data entries `object.setProps` takes at once.
|
||
const MAX_DATA: usize = 256;
|
||
|
||
/// `object.setProps`'s `data`: each key (a data-* attribute's name: letters, digits, `-`, `_`,
|
||
/// `.`) with its value, or `None` to remove it.
|
||
fn data_param(m: &serde_json::Map<String, Value>) -> Result<Vec<(String, Option<String>)>> {
|
||
const C: &str = "object.setProps";
|
||
if m.len() > MAX_DATA {
|
||
return Err(bad(C, format!("data takes at most {MAX_DATA} keys at once")));
|
||
}
|
||
m.iter()
|
||
.map(|(k, v)| {
|
||
let k = k.strip_prefix("data-").unwrap_or(k);
|
||
if k.is_empty() || !k.chars().all(|c| c.is_ascii_alphanumeric() || matches!(c, '-' | '_' | '.')) || k == "name" || k.starts_with("vc-") {
|
||
return Err(bad(C, format!("data key `{k}`: letters, digits, -, _ and . (not name or vc-…)")));
|
||
}
|
||
let v = match v {
|
||
Value::Null => None,
|
||
Value::String(s) => Some(s.clone()),
|
||
other => Some(other.to_string()),
|
||
};
|
||
Ok((k.to_string(), v))
|
||
})
|
||
.collect()
|
||
}
|
||
|
||
fn set_props(s: &mut Session, p: &Value) -> Result<Value> {
|
||
let ids = targets(s, p)?;
|
||
let opacity = p.get("opacity").and_then(Value::as_f64).map(percent);
|
||
let blend = match str_param(p, "blend") {
|
||
Some(b) => Some(BlendMode::parse(b).ok_or_else(|| bad("object.setProps", format!("unknown blend mode `{b}`")))?),
|
||
None => None,
|
||
};
|
||
let data = match p.get("data") {
|
||
None | Some(Value::Null) => None,
|
||
Some(Value::Object(m)) => Some(data_param(m)?),
|
||
Some(v) => return Err(bad("object.setProps", format!("data must be an object of key: value, not {v}"))),
|
||
};
|
||
let knockout = match p.get("knockout") {
|
||
Some(v) => Some(
|
||
Knockout::from_value(v)
|
||
.ok_or_else(|| bad("object.setProps", format!("knockout must be \"on\", \"off\", \"neutral\" or a bool, not {v}")))?,
|
||
),
|
||
None => None,
|
||
};
|
||
let hides = p.get("visible").and_then(Value::as_bool) == Some(false) || p.get("locked").and_then(Value::as_bool) == Some(true);
|
||
// When every object already has every value given, the document and its undo history stay as
|
||
// they are.
|
||
let flag = |k: &str| p.get(k).and_then(Value::as_bool);
|
||
let has_values = |n: &Node| {
|
||
str_param(p, "name").is_none_or(|v| n.name.as_deref() == Some(v).filter(|v| !v.is_empty()))
|
||
&& flag("visible").is_none_or(|v| n.visible == v)
|
||
&& flag("locked").is_none_or(|v| n.locked == v)
|
||
&& opacity.is_none_or(|v| n.opacity == v)
|
||
&& blend.is_none_or(|b| n.blend == b)
|
||
&& flag("isolate").is_none_or(|v| n.isolate == v)
|
||
&& knockout.is_none_or(|k| n.knockout == k)
|
||
&& flag("knockoutShape").is_none_or(|v| n.knockout_shape == v)
|
||
&& data.iter().flatten().all(|(k, v)| {
|
||
n.extras().attrs.as_ref().and_then(|a| a.data.iter().find(|(key, _)| key == k)).map(|(_, now)| now.as_str()) == v.as_deref()
|
||
})
|
||
};
|
||
let d = &s.doc()?.doc;
|
||
if ids.iter().all(|id| d.node(*id).is_some_and(has_values)) {
|
||
// Hidden or locked objects can't stay selected.
|
||
if hides {
|
||
s.select(|d, sel| sel.deselect_uneditable(d))?;
|
||
}
|
||
return ok();
|
||
}
|
||
s.edit("Object Properties", |d, sel| {
|
||
for id in &ids {
|
||
let n = d.node_mut(*id).ok_or(EngineError::NoNode(*id))?;
|
||
if let Some(v) = str_param(p, "name") {
|
||
n.name = if v.is_empty() { None } else { Some(v.to_string()) };
|
||
}
|
||
if let Some(v) = p.get("visible").and_then(Value::as_bool) {
|
||
n.visible = v;
|
||
}
|
||
if let Some(v) = p.get("locked").and_then(Value::as_bool) {
|
||
n.locked = v;
|
||
}
|
||
if let Some(v) = opacity {
|
||
n.opacity = v;
|
||
}
|
||
if let Some(b) = blend {
|
||
n.blend = b;
|
||
}
|
||
if let Some(v) = p.get("isolate").and_then(Value::as_bool) {
|
||
n.isolate = v;
|
||
}
|
||
if let Some(k) = knockout {
|
||
n.knockout = k;
|
||
}
|
||
if let Some(v) = p.get("knockoutShape").and_then(Value::as_bool) {
|
||
n.knockout_shape = v;
|
||
}
|
||
if let Some(changes) = &data {
|
||
n.edit_attrs(|a| {
|
||
for (k, v) in changes {
|
||
match (a.data.iter().position(|(key, _)| key == k), v) {
|
||
(Some(i), Some(v)) => {
|
||
if let Some(e) = a.data.get_mut(i) {
|
||
e.1 = v.clone();
|
||
}
|
||
}
|
||
(Some(i), None) => {
|
||
a.data.remove(i);
|
||
}
|
||
(None, Some(v)) => a.data.push((k.clone(), v.clone())),
|
||
(None, None) => {}
|
||
}
|
||
}
|
||
});
|
||
}
|
||
}
|
||
// Hidden or locked objects can't stay selected.
|
||
if hides {
|
||
sel.deselect_uneditable(d);
|
||
}
|
||
Ok(())
|
||
})?;
|
||
ok()
|
||
}
|
||
|
||
impl Session {
|
||
/// The bounds of `ids` the Transform panel, the bounding box, Align and Distribute measure:
|
||
/// visual bounds (strokes included) with Use Preview Bounds on, else geometric bounds.
|
||
pub fn transform_bounds(&self, ids: &[NodeId]) -> Option<Rect> {
|
||
self.doc().ok()?.doc.bounds_of(ids, self.prefs.use_preview_bounds)
|
||
}
|
||
/// [`Session::transform_bounds`] square to the objects' own angle (their rotated bounding
|
||
/// box, see [`Document::oriented_bounds`]).
|
||
pub fn transform_box(&self, ids: &[NodeId]) -> Option<OrientedBox> {
|
||
self.doc().ok()?.doc.oriented_bounds(ids, self.prefs.use_preview_bounds)
|
||
}
|
||
}
|
||
|
||
/// Measure with preview (visual) bounds? The `bounds` param, else Use Preview Bounds.
|
||
fn preview_bounds(s: &Session, p: &Value, cmd: &str) -> Result<bool> {
|
||
match choice(p, cmd, "bounds", &["preview", "geometric"])? {
|
||
None => Ok(s.prefs.use_preview_bounds),
|
||
Some(b) => Ok(b == "preview"),
|
||
}
|
||
}
|
||
|
||
/// Param `key` of the Align commands and Shear: one of `values`, or `None` when it is missing or
|
||
/// null. Any other value is an error that lists `values`.
|
||
fn choice<'a>(p: &'a Value, cmd: &str, key: &str, values: &[&str]) -> Result<Option<&'a str>> {
|
||
let Some(v) = p.get(key).filter(|v| !v.is_null()) else { return Ok(None) };
|
||
match v.as_str() {
|
||
Some(s) if values.contains(&s) => Ok(Some(s)),
|
||
_ => Err(bad(cmd, format!("`{key}` must be one of {}", values.join(", ")))),
|
||
}
|
||
}
|
||
|
||
/// `horizontal` and `vertical` of `object.align` and `object.distribute`, each checked by [`choice`].
|
||
fn direction<'a>(p: &'a Value, cmd: &str) -> Result<(Option<&'a str>, Option<&'a str>)> {
|
||
Ok((choice(p, cmd, "horizontal", &["left", "center", "right"])?, choice(p, cmd, "vertical", &["top", "center", "bottom"])?))
|
||
}
|
||
|
||
/// `ids` with their bounds (`preview`: visual bounds).
|
||
fn items_bounds(d: &Document, ids: &[NodeId], preview: bool) -> Vec<(NodeId, Rect)> {
|
||
ids.iter().filter_map(|id| Some((*id, d.bounds_of(&[*id], preview)?))).collect()
|
||
}
|
||
|
||
/// Move each object of `moves` by its offset, as undo step `label`; pattern tiles move too when
|
||
/// [`transform_patterns`] says so for `ids`. When every move is a rounding error (1e-9 pt or less
|
||
/// on both axes), the document and its undo history stay as they are.
|
||
fn apply_moves(s: &mut Session, label: &str, p: &Value, ids: &[NodeId], moves: &[(NodeId, Vec2)]) -> Result<Value> {
|
||
let sc = Scaling { patterns: transform_patterns(s, p, ids)?, ..Scaling::default() };
|
||
if moves.iter().all(|(_, dv)| dv.x.abs() <= 1e-9 && dv.y.abs() <= 1e-9) {
|
||
return ok();
|
||
}
|
||
s.edit(label, |d, _| {
|
||
for (id, dv) in moves {
|
||
if let Some(n) = d.node_mut(*id) {
|
||
n.transform(Affine::translate(*dv), sc);
|
||
}
|
||
}
|
||
Ok(())
|
||
})?;
|
||
ok()
|
||
}
|
||
|
||
/// What `object.align` aligns to: `to`, else the key object when there is one, else the
|
||
/// selection.
|
||
fn align_to<'a>(s: &Session, p: &'a Value) -> Option<&'a str> {
|
||
str_param(p, "to").or_else(|| s.doc().ok()?.selection.key.map(|_| "key"))
|
||
}
|
||
|
||
fn reference_rect(s: &Session, p: &Value, ids: &[NodeId], preview: bool) -> Result<Rect> {
|
||
let st = s.doc()?;
|
||
match align_to(s, p) {
|
||
Some("artboard") => {
|
||
let b = st.doc.bounds_of(ids, preview).unwrap_or_default();
|
||
// Align to Artboard uses artboard `artboard` (the app passes the active one). Without
|
||
// it, or with an index the document doesn't have, it uses the artboard under the center
|
||
// of the selection, or the first one when no artboard is there.
|
||
let named = p.get("artboard").and_then(Value::as_u64).and_then(|i| usize::try_from(i).ok()).and_then(|i| st.doc.artboards.get(i));
|
||
let i = st.doc.artboard_at(b.center()).unwrap_or(0);
|
||
Ok(named.or(st.doc.artboards.get(i)).map(|a| a.rect).unwrap_or(b))
|
||
}
|
||
Some("key") => {
|
||
let k = st.selection.key.ok_or_else(|| EngineError::Other("no key object".into()))?;
|
||
st.doc.bounds_of(&[k], preview).ok_or(EngineError::NoNode(k))
|
||
}
|
||
_ => st.doc.bounds_of(ids, preview).ok_or_else(|| EngineError::Other("nothing to align".into())),
|
||
}
|
||
}
|
||
|
||
/// Returns the selected root (one of `ids`) that is the key object or contains it, such as the
|
||
/// compound path or selected group the key is in. Align to the key object and Distribute Spacing
|
||
/// with a spacing keep it in place.
|
||
fn key_root(s: &Session, ids: &[NodeId]) -> Option<NodeId> {
|
||
let st = s.doc().ok()?;
|
||
let ancestry = st.doc.ancestry(st.selection.key?)?;
|
||
ids.iter().copied().find(|id| ancestry.contains(id))
|
||
}
|
||
|
||
fn align(s: &mut Session, p: &Value) -> Result<Value> {
|
||
let ids = selected_roots(s)?;
|
||
let preview = preview_bounds(s, p, "object.align")?;
|
||
let (h, v) = direction(p, "object.align")?;
|
||
choice(p, "object.align", "to", &["selection", "artboard", "key"])?;
|
||
if h.is_none() && v.is_none() {
|
||
return Err(bad("object.align", "give horizontal or vertical"));
|
||
}
|
||
// Anchor points selected with Direct Selection align themselves, as in Illustrator (#1180).
|
||
if !s.doc()?.selection.anchors.is_empty() {
|
||
return align_anchors(s, p, &ids, (h, v));
|
||
}
|
||
let r = reference_rect(s, p, &ids, preview)?;
|
||
let key = key_root(s, &ids);
|
||
let moves: Vec<(NodeId, Vec2)> = {
|
||
let d = &s.doc()?.doc;
|
||
items_bounds(d, &ids, preview)
|
||
.into_iter()
|
||
.filter(|(id, _)| Some(*id) != key || align_to(s, p) != Some("key"))
|
||
.map(|(id, b)| {
|
||
let dx = match h {
|
||
Some("left") => r.x0 - b.x0,
|
||
Some("center") => r.center().x - b.center().x,
|
||
Some("right") => r.x1 - b.x1,
|
||
_ => 0.0,
|
||
};
|
||
let dy = match v {
|
||
Some("top") => r.y0 - b.y0,
|
||
Some("center") => r.center().y - b.center().y,
|
||
Some("bottom") => r.y1 - b.y1,
|
||
_ => 0.0,
|
||
};
|
||
(id, Vec2::new(dx, dy))
|
||
})
|
||
.collect()
|
||
};
|
||
apply_moves(s, "Align", p, &ids, &moves)
|
||
}
|
||
|
||
/// [`align`] of the selected anchor points (whole paths among them give all theirs): each point
|
||
/// moves to the edge or centre of the points' bounds, or of the artboard with Align To Artboard.
|
||
fn align_anchors(s: &mut Session, p: &Value, ids: &[NodeId], (h, v): (Option<&str>, Option<&str>)) -> Result<Value> {
|
||
let targets = super::path::anchor_targets(s)?;
|
||
let d = &s.doc()?.doc;
|
||
let pts: Vec<Point> = targets
|
||
.iter()
|
||
.flat_map(|(id, refs)| refs.iter().filter_map(move |(si, ai)| d.node(*id)?.path_data()?.subpaths.get(*si)?.anchors.get(*ai).map(|a| a.p)))
|
||
.collect();
|
||
let Some(bounds) = pts.iter().skip(1).fold(pts.first().map(|q| Rect::from_points(*q, *q)), |b, q| b.map(|b| b.union_pt(*q))) else {
|
||
return ok();
|
||
};
|
||
// shortcut: no key anchor yet, so Align To Key Object aligns to the points' bounds as Selection does.
|
||
let r = if align_to(s, p) == Some("artboard") { reference_rect(s, p, ids, false)? } else { bounds };
|
||
let target = |q: Point| {
|
||
let x = match h {
|
||
Some("left") => r.x0,
|
||
Some("center") => r.center().x,
|
||
Some("right") => r.x1,
|
||
_ => q.x,
|
||
};
|
||
let y = match v {
|
||
Some("top") => r.y0,
|
||
Some("center") => r.center().y,
|
||
Some("bottom") => r.y1,
|
||
_ => q.y,
|
||
};
|
||
Point::new(x, y)
|
||
};
|
||
if pts.iter().all(|q| {
|
||
let dv = target(*q) - *q;
|
||
dv.x.abs() <= 1e-9 && dv.y.abs() <= 1e-9
|
||
}) {
|
||
return ok();
|
||
}
|
||
s.edit("Align", |d, _| {
|
||
for (id, refs) in &targets {
|
||
let path = super::path::path_mut(d, *id)?;
|
||
for &(si, ai) in refs {
|
||
if let Some(a) = path.anchor_mut(si, ai) {
|
||
a.translate(target(a.p) - a.p);
|
||
}
|
||
}
|
||
}
|
||
Ok(())
|
||
})?;
|
||
ok()
|
||
}
|
||
|
||
fn distribute(s: &mut Session, p: &Value) -> Result<Value> {
|
||
let ids = selected_roots(s)?;
|
||
let preview = preview_bounds(s, p, "object.distribute")?;
|
||
let mut items = items_bounds(&s.doc()?.doc, &ids, preview);
|
||
let (horiz, key): (bool, fn(&Rect, bool) -> f64) = match direction(p, "object.distribute")? {
|
||
(Some(h), _) => (
|
||
true,
|
||
match h {
|
||
"left" => |r: &Rect, _| r.x0,
|
||
"right" => |r: &Rect, _| r.x1,
|
||
_ => |r: &Rect, _| r.center().x,
|
||
},
|
||
),
|
||
(_, Some(v)) => (
|
||
false,
|
||
match v {
|
||
"top" => |r: &Rect, _| r.y0,
|
||
"bottom" => |r: &Rect, _| r.y1,
|
||
_ => |r: &Rect, _| r.center().y,
|
||
},
|
||
),
|
||
_ => return Err(bad("object.distribute", "give horizontal or vertical")),
|
||
};
|
||
items.sort_by(|a, b| key(&a.1, horiz).total_cmp(&key(&b.1, horiz)));
|
||
let n = items.len();
|
||
if n < 3 {
|
||
return ok();
|
||
}
|
||
let first = key(&items[0].1, horiz);
|
||
let last = key(&items[n - 1].1, horiz);
|
||
let moves: Vec<(NodeId, Vec2)> = items
|
||
.iter()
|
||
.enumerate()
|
||
.map(|(i, (id, r))| {
|
||
let target = first + (last - first) * i as f64 / (n - 1) as f64;
|
||
let delta = target - key(r, horiz);
|
||
(*id, if horiz { Vec2::new(delta, 0.0) } else { Vec2::new(0.0, delta) })
|
||
})
|
||
.collect();
|
||
apply_moves(s, "Distribute", p, &ids, &moves)
|
||
}
|
||
|
||
fn distribute_spacing(s: &mut Session, p: &Value) -> Result<Value> {
|
||
let ids = selected_roots(s)?;
|
||
let horiz = choice(p, "object.distributeSpacing", "axis", &["horizontal", "vertical"])? != Some("vertical");
|
||
let preview = preview_bounds(s, p, "object.distributeSpacing")?;
|
||
let mut items = items_bounds(&s.doc()?.doc, &ids, preview);
|
||
items.sort_by(|a, b| if horiz { a.1.x0.total_cmp(&b.1.x0) } else { a.1.y0.total_cmp(&b.1.y0) });
|
||
let n = items.len();
|
||
let &[(_, first), .., (_, last)] = items.as_slice() else {
|
||
return Err(EngineError::Other("select two or more objects to distribute".into()));
|
||
};
|
||
let size = |r: &Rect| if horiz { r.width() } else { r.height() };
|
||
let start = |r: &Rect| if horiz { r.x0 } else { r.y0 };
|
||
let spacing = p
|
||
.get("spacing")
|
||
.filter(|v| !v.is_null())
|
||
.map(|v| v.as_f64().filter(|g| g.is_finite()).ok_or_else(|| bad("object.distributeSpacing", "`spacing` must be a number")))
|
||
.transpose()?;
|
||
let gap = match spacing {
|
||
Some(g) => g,
|
||
None => {
|
||
let span = if horiz { last.x1 - first.x0 } else { last.y1 - first.y0 };
|
||
(span - items.iter().map(|i| size(&i.1)).sum::<f64>()) / (n - 1) as f64
|
||
}
|
||
};
|
||
let mut pos = start(&first);
|
||
let mut deltas = vec![];
|
||
for (id, r) in &items {
|
||
deltas.push((*id, pos - start(r)));
|
||
pos += size(r) + gap;
|
||
}
|
||
// With a spacing (aligning to a key object) the key object stays where it is, with the
|
||
// compound path or selected group it is in: the others are spaced from it.
|
||
let key = key_root(s, &ids);
|
||
let fixed = spacing.and_then(|_| deltas.iter().find(|(id, _)| Some(*id) == key)).map_or(0.0, |k| k.1);
|
||
let moves: Vec<(NodeId, Vec2)> =
|
||
deltas.into_iter().map(|(id, d)| (id, if horiz { Vec2::new(d - fixed, 0.0) } else { Vec2::new(0.0, d - fixed) })).collect();
|
||
apply_moves(s, "Distribute Spacing", p, &ids, &moves)
|
||
}
|
||
|
||
fn set_bounds(s: &mut Session, p: &Value) -> Result<Value> {
|
||
let ids = selected_roots(s)?;
|
||
let d = &s.doc()?.doc;
|
||
// Sizes are measured square to the bounding box, which a rotation turns with the objects:
|
||
// the math below runs in its frame.
|
||
let frame = d.oriented_bounds(&ids, false).ok_or_else(|| EngineError::Other("no bounds".into()))?;
|
||
let g = frame.rect;
|
||
// With Use Preview Bounds the values measure the visual box, whose margins around the
|
||
// geometric box (left, top, right, bottom) scale with the strokes or stay.
|
||
let v = if s.prefs.use_preview_bounds { d.oriented_bounds(&ids, true).map_or(g, |b| b.rect) } else { g };
|
||
let m = [g.x0 - v.x0, g.y0 - v.y0, v.x1 - g.x1, v.y1 - g.y1];
|
||
let refi = p.get("reference").and_then(Value::as_u64).unwrap_or(4) as usize;
|
||
let rp = vectorcraft_geom::reference_point(v, refi);
|
||
let mut w = f64_or(p, "width", v.width());
|
||
let mut h = f64_or(p, "height", v.height());
|
||
if bool_or(p, "proportional", false) {
|
||
if p.get("width").is_some() && v.width() > 0.0 {
|
||
h = v.height() * w / v.width();
|
||
} else if p.get("height").is_some() && v.height() > 0.0 {
|
||
w = v.width() * h / v.height();
|
||
}
|
||
}
|
||
// The geometric scale that gives the visual size: margins grow by the strokes' scale `f`
|
||
// (exact for proportional scales, which scale the visual box alike).
|
||
let strokes = bool_or(p, "strokes", s.prefs.scale_strokes);
|
||
let ratio = |size: f64, geo: f64, margin: f64| if geo > 1e-9 { (size - margin) / geo } else { 1.0 };
|
||
let f = |sx: f64, sy: f64| if strokes { (sx * sy).abs().sqrt() } else { 1.0 };
|
||
let (lx, ly) = (ratio(w, v.width(), 0.0), ratio(h, v.height(), 0.0));
|
||
let f0 = f(if g.width() > 1e-9 { lx } else { 1.0 }, if g.height() > 1e-9 { ly } else { 1.0 });
|
||
let sx = ratio(w, g.width(), (m[0] + m[2]) * f0);
|
||
let sy = ratio(h, g.height(), (m[1] + m[3]) * f0);
|
||
let scale = about(rp, Affine::scale_non_uniform(sx, sy));
|
||
// Move the new visual box's reference point to x, y (default: where it was): the geometric
|
||
// box's reference point moves with the art, the margin from it to the visual one by `f`.
|
||
let gp = vectorcraft_geom::reference_point(g, refi);
|
||
let new_rp = scale * gp + (rp - gp) * f(sx, sy);
|
||
// x, y place the reference point on the page.
|
||
let page = frame.to_doc() * rp;
|
||
// When every value given is the current one, the transform is the identity. Computing it can
|
||
// leave a rounding error in it on a rotated object or with Use Preview Bounds.
|
||
let current = |k: &str, now: f64| p.get(k).and_then(Value::as_f64).is_none_or(|x| x == now);
|
||
if current("x", page.x) && current("y", page.y) && current("width", v.width()) && current("height", v.height()) {
|
||
return apply_transform(s, "Transform", ids, Affine::IDENTITY, p);
|
||
}
|
||
let to = frame.to_local(Point::new(f64_or(p, "x", page.x), f64_or(p, "y", page.y)));
|
||
apply_transform(s, "Transform", ids, frame.conjugate(Affine::translate(to - new_rp) * scale), p)
|
||
}
|
||
|
||
fn expand_shape(s: &mut Session, _: &Value) -> Result<Value> {
|
||
let ids = selected_roots(s)?;
|
||
// With no live shape selected, the document and its undo history stay as they are.
|
||
let d = &s.doc()?.doc;
|
||
if !ids.iter().any(|id| d.node(*id).is_some_and(|n| matches!(n.kind, NodeKind::Path { live: Some(_), .. }))) {
|
||
return ok();
|
||
}
|
||
s.edit("Expand Shape", |d, _| {
|
||
for id in &ids {
|
||
if let Some(NodeKind::Path { live, .. }) = d.node_mut(*id).map(|n| &mut n.kind) {
|
||
*live = None;
|
||
}
|
||
}
|
||
Ok(())
|
||
})?;
|
||
ok()
|
||
}
|
||
|
||
/// The `corners` of `object.setLiveShape`: anchor indices of a path's uncut outline.
|
||
fn corners_param(p: &Value) -> Result<Option<BTreeSet<usize>>> {
|
||
let Some(v) = p.get("corners").filter(|v| !v.is_null()) else { return Ok(None) };
|
||
let err = || bad("object.setLiveShape", format!("`corners` must list anchor indices (0, 1, 2…), not {v}"));
|
||
let list = v.as_array().ok_or_else(err)?;
|
||
list.iter().map(|k| k.as_u64().and_then(|k| usize::try_from(k).ok()).ok_or_else(err)).collect::<Result<_>>().map(Some)
|
||
}
|
||
|
||
fn set_live_shape(s: &mut Session, p: &Value) -> Result<Value> {
|
||
// `items`: objects each with its own `corners`; else `ids` (or the selection) sharing them.
|
||
let items = match p.get("items").filter(|v| !v.is_null()) {
|
||
None => None,
|
||
Some(Value::Array(a)) => Some(
|
||
a.iter()
|
||
.map(|it| {
|
||
let id = it
|
||
.get("id")
|
||
.and_then(Value::as_u64)
|
||
.map(NodeId)
|
||
.ok_or_else(|| bad("object.setLiveShape", format!("each of `items` is {{id, corners?}} with an object id, not {it}")))?;
|
||
Ok((id, corners_param(it)?))
|
||
})
|
||
.collect::<Result<Vec<_>>>()?,
|
||
),
|
||
Some(v) => return Err(bad("object.setLiveShape", format!("`items` must be an array of {{id, corners?}}, not {v}"))),
|
||
};
|
||
let ids = match &items {
|
||
Some(items) => items.iter().map(|(id, _)| *id).collect(),
|
||
None => targets(s, p)?,
|
||
};
|
||
let shared = corners_param(p)?;
|
||
let corners_of = |id: NodeId| match &items {
|
||
Some(items) => items.iter().find(|(i, _)| *i == id).and_then(|(_, c)| c.clone()),
|
||
None => shared.clone(),
|
||
};
|
||
let kind = p
|
||
.get("kind")
|
||
.filter(|v| !v.is_null())
|
||
.map(|v| {
|
||
serde_json::from_value::<CornerKind>(v.clone())
|
||
.map_err(|_| bad("object.setLiveShape", format!("`kind` must be \"round\", \"invertedRound\" or \"chamfer\", not {v}")))
|
||
})
|
||
.transpose()?;
|
||
let radius = p.get("radius").and_then(Value::as_f64);
|
||
let sides = p.get("sides").and_then(Value::as_u64);
|
||
// A number that must be `what` (None when absent).
|
||
let number = |k: &str, ok: fn(f64) -> bool, what: &str| -> Result<Option<f64>> {
|
||
match p.get(k) {
|
||
None | Some(Value::Null) => Ok(None),
|
||
Some(v) => v
|
||
.as_f64()
|
||
.filter(|x| x.is_finite() && ok(*x))
|
||
.map(Some)
|
||
.ok_or_else(|| bad("object.setLiveShape", format!("`{k}` must be {what}, not {v}"))),
|
||
}
|
||
};
|
||
let angle = |k: &str| Ok::<_, EngineError>(number(k, |_| true, "an angle in degrees")?.map(|a| a.rem_euclid(360.0)));
|
||
let length = |k: &str| number(k, |x| x > 0.0 && x <= crate::MAX_COORD, "a length in points above 0");
|
||
// An ellipse's pie (Ellipse Properties: Pie Start and End Angle, degrees; Invert Pie swaps them).
|
||
let (pie_start, pie_end) = (angle("pieStart")?, angle("pieEnd")?);
|
||
let invert = p.get("invertPie").and_then(Value::as_bool) == Some(true);
|
||
// A polygon's Polygon Properties: its angle, radius or side length, Make Sides Equal.
|
||
let (polygon_angle, polygon_radius, side) = (angle("polygonAngle")?, length("polygonRadius")?, length("sideLength")?);
|
||
let equal = p.get("makeSidesEqual").and_then(Value::as_bool) == Some(true);
|
||
// An ellipse's pie becomes `pie_of(pie)`. An end of 0 is a full turn (Illustrator shows a whole
|
||
// ellipse as 0° to 360°).
|
||
let end_of = |a: f64| if a == 0.0 { 360.0 } else { a };
|
||
let pie_of = |pie: (f64, f64)| {
|
||
let pie = (pie_start.unwrap_or(pie.0), pie_end.map_or(pie.1, end_of));
|
||
if invert { (pie.1.rem_euclid(360.0), end_of(pie.0)) } else { pie }
|
||
};
|
||
// When every value given is the current one, the document and its undo history stay as they
|
||
// are.
|
||
let st = s.doc()?;
|
||
let has_values = |id: &NodeId| {
|
||
let Some(NodeKind::Path { path, live, .. }) = st.doc.node(*id).map(|n| &n.kind) else { return true };
|
||
match live.as_deref() {
|
||
Some(l @ LiveShape::Polygon { sides: now, .. })
|
||
if !(sides.is_none_or(|n| n.clamp(3, 1000) == u64::from(*now))
|
||
&& (!equal || l.polygon_sides_equal())
|
||
&& polygon_angle.is_none_or(|a| l.polygon_angle() == Some(a))
|
||
&& side.and_then(|len| l.polygon_radius_for_side(len)).or(polygon_radius).is_none_or(|r| l.polygon_radius() == Some(r))) =>
|
||
{
|
||
return false;
|
||
}
|
||
Some(LiveShape::Ellipse { pie, .. }) if pie_of(*pie) != *pie => return false,
|
||
_ => {}
|
||
}
|
||
if radius.is_none() && kind.is_none() {
|
||
return true;
|
||
}
|
||
let Some(c) = LiveCorners::new(path, live.as_deref()) else { return true };
|
||
let picked = corners_of(*id).unwrap_or_else(|| c.picked(st.selection.anchors.get(id)));
|
||
// Setting corners folds a scale left in a rectangle's transform into its size, which
|
||
// changes it.
|
||
live.as_deref().is_none_or(|l| l.folded() == *l)
|
||
&& picked
|
||
.iter()
|
||
.all(|k| *k < c.base.anchor_count() && radius.is_none_or(|r| c.radius(*k) == r.max(0.0)) && kind.is_none_or(|kd| c.kind(*k) == kd))
|
||
};
|
||
if ids.iter().all(has_values) {
|
||
return ok();
|
||
}
|
||
s.edit("Live Shape", |d, sel| {
|
||
for id in &ids {
|
||
let Some(NodeKind::Path { path, live, .. }) = d.node_mut(*id).map(|n| &mut n.kind) else { continue };
|
||
if let Some(l @ LiveShape::Polygon { .. }) = live.as_deref_mut()
|
||
&& (sides.is_some() || polygon_angle.is_some() || polygon_radius.is_some() || side.is_some() || equal)
|
||
{
|
||
if let Some(n) = sides {
|
||
l.set_sides(n);
|
||
}
|
||
if equal {
|
||
l.make_sides_equal();
|
||
}
|
||
if let Some(a) = polygon_angle {
|
||
l.set_polygon_angle(a);
|
||
}
|
||
// A side length sets the radius that gives it (with the new side count).
|
||
if let Some(r) = side.and_then(|len| l.polygon_radius_for_side(len)).or(polygon_radius) {
|
||
l.set_polygon_radius(r);
|
||
}
|
||
*path = l.to_path();
|
||
}
|
||
if let Some(l @ LiveShape::Ellipse { .. }) = live.as_deref_mut()
|
||
&& (pie_start.is_some() || pie_end.is_some() || invert)
|
||
{
|
||
if let LiveShape::Ellipse { pie, .. } = l {
|
||
*pie = pie_of(*pie);
|
||
}
|
||
*path = l.to_path();
|
||
}
|
||
if radius.is_none() && kind.is_none() {
|
||
continue;
|
||
}
|
||
let partial = sel.anchors.get_mut(id);
|
||
// The corners to edit, the Direct-Selected ones and the anchor layout before the edit.
|
||
let Some(c) = LiveCorners::new(path, live.as_deref()) else { continue };
|
||
let corners = corners_of(*id);
|
||
let picked = match &corners {
|
||
Some(k) if k.last().is_some_and(|k| *k >= c.base.anchor_count()) => {
|
||
let n = c.base.anchor_count();
|
||
let past: Vec<_> = k.range(n..).collect();
|
||
return Err(bad("object.setLiveShape", format!("object {id} has anchors 0–{} for `corners`, not {past:?}", n.saturating_sub(1))));
|
||
}
|
||
Some(k) => k.clone(),
|
||
None => c.picked(partial.as_deref()),
|
||
};
|
||
let (selected, layout) = (partial.as_deref().map(|a| c.corners_of(a)), c.sources().to_vec());
|
||
set_corners(path, live, &picked, radius, kind);
|
||
// Direct-Selected corners stay selected as they gain or lose anchors.
|
||
if let (Some(anchors), Some(selected)) = (partial, selected)
|
||
&& let Some(c) = LiveCorners::new(path, live.as_deref())
|
||
&& c.sources() != layout
|
||
{
|
||
*anchors = c.anchors_of(&selected);
|
||
}
|
||
}
|
||
Ok(())
|
||
})?;
|
||
ok()
|
||
}
|