1110 lines
40 KiB
Rust
1110 lines
40 KiB
Rust
//! The VectorCraft engine façade.
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//!
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//! Every user-visible action is a command with a stable id (`object.group`, `select.same.fillColor`,
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//! `shape.rectangle`…) and JSON parameters. The egui UI, the CLI, the control channel and the MCP
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//! server all go through [`Session::execute`]. Tools (pointer gestures) are hosted here too and
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//! reduce to commands, so every gesture is journaled and replayable.
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#![forbid(unsafe_code)]
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pub mod cmd;
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pub mod guard;
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pub mod inspect;
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mod tooling;
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pub mod units;
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use std::sync::Arc;
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use serde_json::Value;
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use vectorcraft_color::{Color, GradientPaint, Paint};
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use vectorcraft_doc::{Document, NodeId, NodeKind, Selection};
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use vectorcraft_geom::Affine;
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use vectorcraft_tools::{PaintDefaults, Tool};
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pub use cmd::EyedropperOptions;
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pub use cmd::clipboard::Clipboard;
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pub use cmd::rasterfx::{export_pdf, flatten_raster_effects};
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pub use cmd::{CommandInfo, CommandSpec, command_specs, find_command};
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pub use tooling::{UiRequest, ViewInfo};
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pub use vectorcraft_doc as doc;
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pub use vectorcraft_tools as tools;
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#[derive(Debug, thiserror::Error)]
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pub enum EngineError {
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#[error("unknown command `{0}`")]
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UnknownCommand(String),
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#[error("command `{0}` is not available right now: {1}")]
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Disabled(String, String),
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#[error("invalid parameters for `{cmd}`: {msg}")]
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BadParams { cmd: String, msg: String },
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#[error("no active document")]
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NoDocument,
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#[error("no such object {0}")]
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NoNode(NodeId),
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#[error("{0}")]
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Other(String),
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/// A bug: the command panicked. The document was rolled back to its state before the command.
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#[error("internal error in `{cmd}`: {msg} (the document was left as it was before; please report this bug)")]
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Internal { cmd: String, msg: String },
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}
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impl From<vectorcraft_doc::DocError> for EngineError {
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fn from(e: vectorcraft_doc::DocError) -> Self {
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EngineError::Other(e.to_string())
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}
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}
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pub type Result<T> = std::result::Result<T, EngineError>;
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/// One undo step.
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#[derive(Clone, Debug)]
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pub struct HistoryEntry {
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pub label: String,
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pub doc: Arc<Document>,
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pub selection: Selection,
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}
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#[derive(Clone, Debug, Default)]
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pub struct History {
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pub undo: Vec<HistoryEntry>,
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pub redo: Vec<HistoryEntry>,
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/// Maximum undo depth (Illustrator has no hard limit; snapshots are cheap here).
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pub limit: usize,
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}
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/// An in-progress drag: the snapshot the previews are applied to.
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#[derive(Clone, Debug)]
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pub struct Interaction {
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pub label: String,
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pub doc: Arc<Document>,
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pub selection: Selection,
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pub preview: Option<(String, Value)>,
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/// Per-document state restored on cancel (current layer, isolation).
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pub active_layer: Option<NodeId>,
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pub isolation: Option<NodeId>,
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}
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/// Per-document editing state.
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#[derive(Clone, Debug)]
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pub struct DocState {
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pub doc: Arc<Document>,
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pub selection: Selection,
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pub history: History,
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pub path: Option<String>,
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/// Increments on every change (also selection and view-only changes); UIs re-render when it
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/// moves. Not a dirty flag: see [`DocState::is_dirty`].
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pub revision: u64,
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/// The document as last saved (or opened). Structural sharing makes "unchanged" a pointer
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/// comparison, and undoing back to the saved state counts as clean.
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saved_doc: Arc<Document>,
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/// The layer new art goes into (the "current layer" in the Layers panel).
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pub active_layer: Option<NodeId>,
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/// Isolation mode container.
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pub isolation: Option<NodeId>,
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pub interaction: Option<Interaction>,
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/// For Object → Transform → Transform Again (⌘D).
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pub last_transform: Option<(Affine, bool)>,
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/// Selection saved by Select → Reselect.
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pub last_selection_cmd: Option<(String, Value)>,
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/// Process-unique id of this open document (tab indices shift when tabs close).
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pub uid: u64,
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/// View Opacity Mask (Alt-click the mask thumbnail): the masked object whose mask the canvas
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/// shows alone, in greyscale, while that mask is edited (see [`DocState::shown_mask`]).
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pub mask_view: Option<NodeId>,
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/// View → Show Transparency Grid, per document (view state: not saved, not undoable).
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pub transparency_grid: bool,
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/// The format Save writes ([`cmd::fileio::SAVE_FORMATS`]): the one the document was opened
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/// from or last saved as.
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pub format: &'static str,
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/// That format's options as last saved (SVG options for SVG, the Save PDF settings for PDF;
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/// empty for native files): Save reuses them and `file.formatOptions` reads them back.
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pub save_options: serde_json::Map<String, Value>,
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/// Opened from an older native file (former name or format version): the title says
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/// "[Converted]" and Save asks for a new name instead of overwriting it.
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pub converted: bool,
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/// The view saved into native files (`Document::last_view`); the UI keeps it current before a
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/// save and restores it when the document opens.
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pub view: Option<vectorcraft_doc::SavedView>,
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}
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static NEXT_DOC_UID: std::sync::atomic::AtomicU64 = std::sync::atomic::AtomicU64::new(1);
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impl DocState {
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pub fn new(mut doc: Document, path: Option<String>) -> Self {
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let active_layer = doc.default_layer();
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// The saved view lives here while the document is open (saves write it back).
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let view = doc.last_view.take();
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let doc = Arc::new(doc);
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Self {
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saved_doc: doc.clone(),
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doc,
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selection: Selection::default(),
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history: History { limit: 500, ..Default::default() },
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path,
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revision: 1,
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active_layer,
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isolation: None,
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interaction: None,
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last_transform: None,
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last_selection_cmd: None,
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uid: NEXT_DOC_UID.fetch_add(1, std::sync::atomic::Ordering::Relaxed),
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mask_view: None,
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transparency_grid: false,
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format: "vectorcraft",
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save_options: Default::default(),
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converted: false,
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view,
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}
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}
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/// Unsaved changes: the document differs from the saved one (selection changes don't count).
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pub fn is_dirty(&self) -> bool {
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!Arc::ptr_eq(&self.doc, &self.saved_doc)
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}
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/// Record the current document as saved.
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pub fn mark_saved(&mut self) {
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self.saved_doc = self.doc.clone();
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}
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pub fn title(&self) -> String {
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let name = self
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.path
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.as_deref()
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.and_then(|p| std::path::Path::new(p).file_name())
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.map(|n| n.to_string_lossy().to_string())
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.unwrap_or_else(|| self.doc.title.clone());
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if self.converted { format!("{} [Converted]", cmd::fileio::file_stem(&name)) } else { name }
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}
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/// Where new art is inserted: the isolation container, else the active layer.
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/// The current layer, if the remembered id still names a layer (ids are reused after undo).
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pub fn current_layer(&self) -> Option<NodeId> {
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self.active_layer.filter(|l| self.doc.node(*l).is_some_and(|n| n.is_layer()))
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}
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pub fn insertion_parent(&self) -> Option<NodeId> {
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// Ids are reused after undo (the id counter is part of the document), so a remembered
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// layer or isolated group must still be one: a pasted group must never land in a path.
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if let Some(i) = self.isolation
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&& self.doc.node(i).is_some_and(|n| matches!(n.kind, NodeKind::Group { .. } | NodeKind::Layer { .. }))
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{
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return Some(i);
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}
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self.active_layer.filter(|l| self.doc.node(*l).is_some_and(|n| n.is_layer() && !n.locked)).or_else(|| self.doc.default_layer())
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}
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/// The object whose opacity mask View Opacity Mask shows ([`DocState::mask_view`]): only while
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/// its mask is being edited, so leaving editing by any route (undo, deleting the object) ends it.
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pub fn shown_mask(&self) -> Option<NodeId> {
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self.mask_view.filter(|id| self.doc.mask_edit.is_some_and(|m| m.object == *id))
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}
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}
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/// Coordinates beyond this (points) are rejected: ~1,400 m, far past Illustrator's large canvas.
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pub const MAX_COORD: f64 = 4.0e6;
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/// Cheap sanity check after an edit: artboards and the objects just touched (the selection) must
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/// have finite, in-range geometry, so saved files always reload and renderers never see NaN/∞.
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fn doc_sane(d: &Document, sel: &Selection) -> bool {
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let ok = |r: vectorcraft_geom::Rect| [r.x0, r.y0, r.x1, r.y1].iter().all(|v| v.is_finite() && v.abs() <= MAX_COORD);
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d.artboards.iter().all(|a| ok(a.rect)) && sel.objects.iter().all(|id| d.node(*id).and_then(|n| n.geometric_bounds()).is_none_or(ok))
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}
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/// Where new art goes (Illustrator's drawing modes, Shift+D cycles).
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#[derive(Clone, Copy, Debug, Default, PartialEq, Eq, serde::Serialize, serde::Deserialize)]
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#[serde(rename_all = "lowercase")]
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pub enum DrawMode {
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#[default]
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Normal,
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Behind,
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Inside,
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}
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/// Application preferences (Edit → Preferences). Every field is reachable through `prefs.get` /
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/// `prefs.set {key, value}` (camelCase keys, validated against [`cmd::prefscmds::PREF_SPECS`]).
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#[derive(Clone, Debug, PartialEq, serde::Serialize, serde::Deserialize)]
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#[serde(default, rename_all = "camelCase")]
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pub struct Prefs {
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// General
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/// Arrow-key nudge distance (General → Keyboard Increment), points.
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pub keyboard_increment: f64,
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pub constrain_angle: f64,
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pub corner_radius: f64,
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pub disable_auto_add_delete: bool,
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pub use_precise_cursors: bool,
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pub show_tool_tips: bool,
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pub anti_aliased_artwork: bool,
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pub select_same_tint_percent: bool,
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pub show_home_screen: bool,
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pub use_preview_bounds: bool,
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pub display_print_size: bool,
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pub double_click_to_isolate: bool,
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pub transform_pattern_tiles: bool,
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pub scale_corners: bool,
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/// Scale Strokes & Effects.
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pub scale_strokes: bool,
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pub zoom_with_mouse_wheel: bool,
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/// Offset for Paste / duplicate (Illustrator pastes to the view centre; we offset by this).
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pub paste_offset: f64,
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// Selection & Anchor Display
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pub selection_tolerance: f64,
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pub object_selection_by_path_only: bool,
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pub snap_to_point_tolerance: f64,
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pub ctrl_click_selects_behind: bool,
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pub zoom_to_selection: bool,
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pub move_locked_with_artboard: bool,
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pub anchor_size: u32,
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pub handle_style: String,
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pub highlight_anchors_on_hover: bool,
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pub show_handles_multiple_anchors: bool,
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pub hide_corner_widget_above: f64,
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pub pen_rubber_band: bool,
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pub curvature_rubber_band: bool,
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// Type
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pub type_size_increment: f64,
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pub tracking_increment: f64,
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pub baseline_shift_increment: f64,
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pub show_east_asian_options: bool,
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pub show_indic_options: bool,
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pub type_selection_by_path_only: bool,
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pub font_names_in_english: bool,
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pub auto_size_area_type: bool,
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pub font_preview: bool,
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pub font_preview_size: String,
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pub recent_fonts_count: u32,
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pub missing_glyph_protection: bool,
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pub highlight_alternate_glyphs: bool,
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pub placeholder_text: bool,
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// Units
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pub units_general: String,
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pub units_stroke: String,
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pub units_type: String,
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pub units_asian_type: String,
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pub numbers_without_units_are_points: bool,
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pub identify_objects_by: String,
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// Guides & Grid
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pub guide_color: String,
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pub guide_style: String,
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pub grid_color: String,
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pub grid_style: String,
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pub gridline_every: f64,
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pub grid_subdivisions: u32,
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pub grids_in_back: bool,
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pub show_pixel_grid: bool,
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// Smart Guides
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pub smart_guide_color: String,
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pub alignment_guides: bool,
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pub object_highlighting: bool,
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pub transform_tools_guides: bool,
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pub construction_guides: bool,
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pub construction_angles: String,
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pub anchor_path_labels: bool,
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pub measurement_labels: bool,
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pub spacing_guides: bool,
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pub snapping_tolerance: f64,
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// Slices
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pub show_slice_numbers: bool,
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pub slice_line_color: String,
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// Hyphenation
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pub hyphenation_language: String,
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pub hyphenation_exceptions: String,
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// Performance & Storage (Plug-ins & Scratch Disks)
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pub plugins_folder: String,
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pub scratch_primary: String,
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pub scratch_secondary: String,
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// User Interface
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pub ui_brightness: String,
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pub canvas_color: String,
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pub auto_collapse_icon_panels: bool,
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pub open_documents_as_tabs: bool,
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pub large_tabs: bool,
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pub ui_scaling: f64,
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pub scale_cursor_with_ui: bool,
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// Performance
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pub gpu_performance: bool,
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pub animated_zoom: bool,
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pub history_states: u32,
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pub real_time_drawing: bool,
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/// Rasterizer worker threads; -1 = automatic.
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pub render_threads: i32,
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// File Handling
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pub background_save: bool,
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pub background_export: bool,
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pub autosave_recovery: bool,
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pub autosave_interval: u32,
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pub recovery_folder: String,
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pub recovery_off_for_complex: bool,
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pub recent_files_count: u32,
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pub low_res_proxy_eps: bool,
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pub anti_aliased_bitmaps: bool,
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pub update_links: String,
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// Clipboard Handling
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pub copy_as_svg: bool,
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pub copy_as_pdf: bool,
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pub copy_aicb: bool,
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pub aicb_mode: String,
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pub paste_text_formatting: String,
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// Appearance of Black
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pub black_on_screen: String,
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pub black_output: String,
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// Devices
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pub touch_workspace: bool,
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pub touch_gestures: bool,
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// Graphic Styles panel
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/// Override Character Color: a graphic style applied to type replaces its characters' fill
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/// and stroke with the style's fills and strokes.
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pub override_char_color: bool,
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// Pattern editing
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/// Object → Pattern → Tile Edge Color (`#rrggbb`): the tile edge and swatch bounds in pattern
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/// editing mode.
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pub pattern_tile_edge_color: String,
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/// Eyedropper Options (`eyedropper.setOptions`; a preference group, see
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/// [`cmd::prefscmds::PREF_GROUPS`]).
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pub eyedropper: EyedropperOptions,
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/// Edit → Transparency Flattener Presets: the user's presets (the built-in ones aren't stored).
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/// Not a `prefs.set` key or group (resetting the preferences keeps them): `flattener.presets.*`
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/// edit it.
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#[serde(skip_serializing_if = "Vec::is_empty")]
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pub flattener_presets: Vec<cmd::FlattenerPreset>,
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/// Width profiles saved to the Stroke panel's Profile list (`stroke.widthProfile.*`). Not a
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/// Preferences dialog field, so it has no [`cmd::prefscmds::PREF_SPECS`] row.
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#[serde(skip_serializing_if = "Vec::is_empty")]
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pub width_profiles: Vec<vectorcraft_doc::SavedProfile>,
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/// General → Use Japanese Crop Marks: the style of Create Trim Marks and Effect → Crop Marks.
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pub japanese_crop_marks: bool,
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/// Appearance panel → New Art Has Basic Appearance (on): new art takes one fill and stroke;
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/// off, the whole appearance of the last selection (`appearance.setNewArtBasic`).
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pub new_art_basic: bool,
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/// The Color Themes panel's saved themes (`colorTheme.*`): a local library, not a Preferences
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/// dialog field, so it has no [`cmd::prefscmds::PREF_SPECS`] row and resetting keeps it.
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#[serde(skip_serializing_if = "Vec::is_empty")]
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pub color_themes: Vec<cmd::colortheme::ColorTheme>,
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/// New Document → Saved: the user's document presets (`file.newPresets.save`). A local
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/// library, not a Preferences dialog field: resetting the preferences keeps it.
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#[serde(skip_serializing_if = "Vec::is_empty")]
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pub new_doc_presets: Vec<cmd::newdoc::DocSettings>,
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/// New Document → Recent: the settings of the last documents made (newest first).
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#[serde(skip_serializing_if = "Vec::is_empty")]
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pub recent_new_docs: Vec<cmd::newdoc::DocSettings>,
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/// Edit → PDF Presets: the user's presets (the built-in ones aren't stored). A local library,
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/// not a Preferences dialog field: resetting the preferences keeps it; `pdf.preset.*` edit it.
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#[serde(skip_serializing_if = "Vec::is_empty")]
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pub pdf_presets: Vec<vectorcraft_pdf::PdfPreset>,
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// File Handling (continued)
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/// Where Save as Template and New from Template start ("" = `Documents/VectorCraft Templates`).
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pub templates_folder: String,
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/// Open older native files as "<name> [Converted]" so Save asks for a new name.
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pub append_converted: bool,
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}
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impl Default for Prefs {
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fn default() -> Self {
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let s = |v: &str| v.to_string();
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Self {
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keyboard_increment: 1.0,
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constrain_angle: 0.0,
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corner_radius: 12.0,
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disable_auto_add_delete: false,
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use_precise_cursors: false,
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show_tool_tips: true,
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anti_aliased_artwork: true,
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select_same_tint_percent: false,
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show_home_screen: true,
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use_preview_bounds: false,
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display_print_size: false,
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double_click_to_isolate: true,
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transform_pattern_tiles: false,
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scale_corners: false,
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scale_strokes: false,
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zoom_with_mouse_wheel: false,
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paste_offset: 10.0,
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selection_tolerance: 3.0,
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object_selection_by_path_only: false,
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snap_to_point_tolerance: 2.0,
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ctrl_click_selects_behind: true,
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zoom_to_selection: true,
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move_locked_with_artboard: false,
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anchor_size: 3,
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handle_style: s("solid"),
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highlight_anchors_on_hover: true,
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show_handles_multiple_anchors: true,
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hide_corner_widget_above: 177.0,
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pen_rubber_band: true,
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curvature_rubber_band: true,
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type_size_increment: 2.0,
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tracking_increment: 20.0,
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baseline_shift_increment: 2.0,
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show_east_asian_options: false,
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show_indic_options: false,
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type_selection_by_path_only: false,
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font_names_in_english: true,
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auto_size_area_type: false,
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|
font_preview: true,
|
|
font_preview_size: s("medium"),
|
|
recent_fonts_count: 10,
|
|
missing_glyph_protection: true,
|
|
highlight_alternate_glyphs: true,
|
|
placeholder_text: true,
|
|
units_general: s("points"),
|
|
units_stroke: s("points"),
|
|
units_type: s("points"),
|
|
units_asian_type: s("points"),
|
|
numbers_without_units_are_points: true,
|
|
identify_objects_by: s("objectName"),
|
|
guide_color: s("#4affff"),
|
|
guide_style: s("lines"),
|
|
grid_color: s("#c8c8c8"),
|
|
grid_style: s("lines"),
|
|
gridline_every: 72.0,
|
|
grid_subdivisions: 8,
|
|
grids_in_back: true,
|
|
show_pixel_grid: true,
|
|
smart_guide_color: s("#ff4af0"),
|
|
alignment_guides: true,
|
|
object_highlighting: true,
|
|
transform_tools_guides: true,
|
|
construction_guides: true,
|
|
construction_angles: s("90° & 45° Angles"),
|
|
anchor_path_labels: true,
|
|
measurement_labels: true,
|
|
spacing_guides: true,
|
|
snapping_tolerance: 4.0,
|
|
show_slice_numbers: true,
|
|
slice_line_color: s("#ff3f3f"),
|
|
hyphenation_language: s("English: USA"),
|
|
hyphenation_exceptions: String::new(),
|
|
plugins_folder: String::new(),
|
|
scratch_primary: s("Startup"),
|
|
scratch_secondary: s("None"),
|
|
ui_brightness: s("mediumDark"),
|
|
canvas_color: s("matchUi"),
|
|
auto_collapse_icon_panels: false,
|
|
open_documents_as_tabs: true,
|
|
large_tabs: false,
|
|
ui_scaling: 1.0,
|
|
scale_cursor_with_ui: false,
|
|
gpu_performance: true,
|
|
animated_zoom: true,
|
|
history_states: 500,
|
|
real_time_drawing: true,
|
|
render_threads: -1,
|
|
background_save: true,
|
|
background_export: true,
|
|
autosave_recovery: true,
|
|
autosave_interval: 2,
|
|
recovery_folder: String::new(),
|
|
recovery_off_for_complex: false,
|
|
recent_files_count: 20,
|
|
low_res_proxy_eps: false,
|
|
anti_aliased_bitmaps: false,
|
|
update_links: s("askWhenModified"),
|
|
copy_as_svg: true,
|
|
copy_as_pdf: false,
|
|
copy_aicb: false,
|
|
aicb_mode: s("preserveAppearance"),
|
|
paste_text_formatting: s("keep"),
|
|
black_on_screen: s("accurate"),
|
|
black_output: s("accurate"),
|
|
touch_workspace: true,
|
|
touch_gestures: true,
|
|
override_char_color: true,
|
|
pattern_tile_edge_color: {
|
|
let [r, g, b] = vectorcraft_doc::LAYER_COLORS[0].1;
|
|
Color::rgb8(r, g, b).to_hex()
|
|
},
|
|
eyedropper: Default::default(),
|
|
flattener_presets: vec![],
|
|
width_profiles: vec![],
|
|
japanese_crop_marks: false,
|
|
new_art_basic: true,
|
|
color_themes: vec![],
|
|
new_doc_presets: vec![],
|
|
recent_new_docs: vec![],
|
|
pdf_presets: vec![],
|
|
templates_folder: String::new(),
|
|
append_converted: true,
|
|
}
|
|
}
|
|
}
|
|
|
|
pub struct Session {
|
|
docs: Vec<DocState>,
|
|
active: Option<usize>,
|
|
pub prefs: Prefs,
|
|
/// Fill/stroke for new art (the toolbar proxy).
|
|
pub paint: PaintDefaults,
|
|
/// Which proxy is in front (true = Fill, false = Stroke) — the X key toggles.
|
|
pub fill_active: bool,
|
|
/// Internal clipboard: the copied objects and the document resources they use.
|
|
pub clipboard: Clipboard,
|
|
/// Executed commands (for actions and debugging).
|
|
pub journal: Vec<(String, Value)>,
|
|
pub(crate) tool: Box<dyn Tool>,
|
|
pub(crate) last_view: ViewInfo,
|
|
depth: u32,
|
|
/// Set when the active tool panicked (see [`guard`]); reported by the next tool event.
|
|
tool_panic: Option<EngineError>,
|
|
/// Draw Normal / Behind / Inside (toolbar drawing modes).
|
|
pub draw_mode: DrawMode,
|
|
/// The path new art is drawn inside (Draw Inside).
|
|
pub draw_inside: Option<NodeId>,
|
|
untitled_counter: u32,
|
|
/// Session-level state of the menu commands (saved selections, guide lock).
|
|
pub(crate) menu: cmd::menucmds::MenuState,
|
|
/// The selected gradient stop (`gradient.selectStop`) and whose gradient it was selected on,
|
|
/// shared by the Gradient tool's annotator, the Gradient and Color panels and agents: read it
|
|
/// with [`Session::selected_stop`].
|
|
pub(crate) gradient_stop: Option<(usize, cmd::gradient::StopOwner)>,
|
|
/// The Appearance panel's active fill/stroke row (`appearance.setActiveItem`); not saved. Read
|
|
/// it through [`Session::appearance_item`], which drops it once the selection changes.
|
|
pub(crate) active_appearance_item: Option<cmd::appearance::ActiveItem>,
|
|
/// The last solid colour applied (the toolbar's Color button; `,` applies it again).
|
|
pub last_solid: Color,
|
|
/// The last gradient applied (the toolbar's Gradient button; `.` applies it again).
|
|
pub last_gradient: GradientPaint,
|
|
/// Recently applied solid colours, newest first (the Recent Colors rows), fed by every paint
|
|
/// command whichever frontend runs it.
|
|
pub recent_colors: Vec<Color>,
|
|
/// A paint applied by a live preview: remembered when the interaction commits.
|
|
pub(crate) pending_paint: Option<Paint>,
|
|
/// User Defined and loaded swatch libraries (Window → Swatch Libraries); not saved.
|
|
pub swatch_libraries: cmd::swatchlib::Libraries,
|
|
/// The selected freeform gradient point (`paint.freeform.selectPoint`) and whose gradient it
|
|
/// was selected on: read it with [`Session::selected_freeform_point`].
|
|
pub(crate) freeform_point: Option<(usize, cmd::gradient::StopOwner)>,
|
|
/// User Defined and loaded graphic style libraries (Window → Graphic Style Libraries); not saved.
|
|
pub style_libraries: cmd::stylelib::Libraries,
|
|
/// URLs recently given in the Attributes panel (`attributes.set {url}`), newest first; not saved.
|
|
pub recent_urls: Vec<String>,
|
|
/// Parameters the running top-level command resolved from the preferences, added to its
|
|
/// journal entry so a replay does the same ([`Session::note_journal`]).
|
|
journal_note: serde_json::Map<String, Value>,
|
|
}
|
|
|
|
impl Default for Session {
|
|
fn default() -> Self {
|
|
Self::new()
|
|
}
|
|
}
|
|
|
|
impl Session {
|
|
pub fn new() -> Self {
|
|
Self {
|
|
docs: vec![],
|
|
active: None,
|
|
prefs: Prefs::default(),
|
|
paint: PaintDefaults::default(),
|
|
fill_active: true,
|
|
clipboard: Clipboard::default(),
|
|
journal: vec![],
|
|
tool: vectorcraft_tools::create("selection"),
|
|
last_view: ViewInfo::default(),
|
|
depth: 0,
|
|
tool_panic: None,
|
|
draw_mode: DrawMode::Normal,
|
|
draw_inside: None,
|
|
untitled_counter: 0,
|
|
menu: Default::default(),
|
|
gradient_stop: None,
|
|
active_appearance_item: None,
|
|
last_solid: Color::WHITE,
|
|
last_gradient: GradientPaint::new(Default::default()),
|
|
recent_colors: vec![],
|
|
pending_paint: None,
|
|
swatch_libraries: Default::default(),
|
|
freeform_point: None,
|
|
style_libraries: Default::default(),
|
|
recent_urls: vec![],
|
|
journal_note: Default::default(),
|
|
}
|
|
}
|
|
|
|
pub fn documents(&self) -> &[DocState] {
|
|
&self.docs
|
|
}
|
|
pub fn active_index(&self) -> Option<usize> {
|
|
self.active
|
|
}
|
|
pub fn active(&self) -> Option<&DocState> {
|
|
self.active.and_then(|i| self.docs.get(i))
|
|
}
|
|
pub fn active_mut(&mut self) -> Option<&mut DocState> {
|
|
self.active.and_then(|i| self.docs.get_mut(i))
|
|
}
|
|
pub fn doc(&self) -> Result<&DocState> {
|
|
self.active().ok_or(EngineError::NoDocument)
|
|
}
|
|
pub fn doc_mut(&mut self) -> Result<&mut DocState> {
|
|
self.active_mut().ok_or(EngineError::NoDocument)
|
|
}
|
|
/// Finish the tool's pending work in the current document and give it fresh state, so nothing
|
|
/// (e.g. uncommitted typing) leaks into the document we are switching to.
|
|
fn reset_tool_for_doc_switch(&mut self) {
|
|
if self.active.is_none() {
|
|
return;
|
|
}
|
|
let view = self.last_view;
|
|
let acts = self.with_tool_cx(view, |t, cx| t.deactivate(cx));
|
|
let _ = self.apply_actions(acts);
|
|
let _ = self.cancel_interaction();
|
|
self.tool = vectorcraft_tools::create(self.tool.id());
|
|
}
|
|
pub fn set_active(&mut self, index: usize) -> bool {
|
|
if index < self.docs.len() {
|
|
if self.active != Some(index) {
|
|
self.reset_tool_for_doc_switch();
|
|
}
|
|
self.active = Some(index);
|
|
true
|
|
} else {
|
|
false
|
|
}
|
|
}
|
|
/// The name [`Session::next_untitled`] gives next (New Document's Name field).
|
|
pub fn peek_untitled(&self) -> String {
|
|
format!("Untitled-{}", self.untitled_counter + 1)
|
|
}
|
|
pub fn next_untitled(&mut self) -> String {
|
|
self.untitled_counter += 1;
|
|
format!("Untitled-{}", self.untitled_counter)
|
|
}
|
|
/// Text layout bounds are a cache (not saved): compute them for a document just read, or
|
|
/// selection boxes and hit testing would use the rough estimate until each text is edited.
|
|
fn refresh_text_bounds(doc: &mut Document) {
|
|
let mut texts = vec![];
|
|
doc.walk(|n| {
|
|
if matches!(n.kind, NodeKind::Text(_)) {
|
|
texts.push(n.id);
|
|
}
|
|
});
|
|
for id in texts {
|
|
if let Some(NodeKind::Text(t)) = doc.node_mut(id).map(|n| &mut n.kind)
|
|
&& t.cached_bounds.is_none()
|
|
{
|
|
cmd::typecmd::refresh_bounds(t);
|
|
}
|
|
}
|
|
}
|
|
/// Add a document and make it active.
|
|
pub fn add_document(&mut self, mut doc: Document, path: Option<String>) -> usize {
|
|
Self::refresh_text_bounds(&mut doc);
|
|
self.reset_tool_for_doc_switch();
|
|
let mut st = DocState::new(doc, path);
|
|
st.history.limit = self.prefs.history_states as usize;
|
|
self.docs.push(st);
|
|
let i = self.docs.len() - 1;
|
|
self.active = Some(i);
|
|
i
|
|
}
|
|
/// Replace the document in tab `index` (File → Revert): new content, cleared history and
|
|
/// selection, saved state. The tab keeps its place, path, format and view.
|
|
pub fn replace_document(&mut self, index: usize, mut doc: Document) -> bool {
|
|
if index >= self.docs.len() {
|
|
return false;
|
|
}
|
|
Self::refresh_text_bounds(&mut doc);
|
|
if self.active == Some(index) {
|
|
// Pending tool work (typing, a drag) belongs to the content being thrown away.
|
|
self.reset_tool_for_doc_switch();
|
|
}
|
|
let old = &self.docs[index];
|
|
let mut st = DocState::new(doc, old.path.clone());
|
|
st.history.limit = old.history.limit;
|
|
// Same open document (caches keyed by uid stay valid); a new revision redraws it.
|
|
st.uid = old.uid;
|
|
st.revision = old.revision + 1;
|
|
st.format = old.format;
|
|
st.save_options = old.save_options.clone();
|
|
st.converted = old.converted;
|
|
st.view = old.view.clone();
|
|
self.docs[index] = st;
|
|
true
|
|
}
|
|
pub fn close_document(&mut self, index: usize) -> bool {
|
|
if index >= self.docs.len() {
|
|
return false;
|
|
}
|
|
self.reset_tool_for_doc_switch();
|
|
self.docs.remove(index);
|
|
self.active = if self.docs.is_empty() { None } else { Some(index.min(self.docs.len() - 1)) };
|
|
true
|
|
}
|
|
|
|
/// Execute a command by id. This is THE entry point for every frontend.
|
|
pub fn execute(&mut self, id: &str, params: &Value) -> Result<Value> {
|
|
let spec = find_command(id).ok_or_else(|| EngineError::UnknownCommand(id.to_string()))?;
|
|
if let Err(why) = (spec.enabled)(self) {
|
|
return Err(EngineError::Disabled(id.to_string(), why));
|
|
}
|
|
// Only top-level commands are journaled (commands that call other commands would otherwise
|
|
// be recorded twice and replay differently).
|
|
if self.depth == 0 {
|
|
self.journal_note.clear();
|
|
}
|
|
let r = if self.depth == 0 { self.run_guarded(id, |s| (spec.run)(s, params)) } else { self.run_nested(|s| (spec.run)(s, params)) };
|
|
let r = r?;
|
|
if self.depth == 0 {
|
|
self.inherit_new_art();
|
|
}
|
|
if spec.journal && self.depth == 0 && self.active().is_none_or(|d| d.interaction.is_none()) {
|
|
let p = self.noted(params);
|
|
self.journal.push((id.to_string(), p));
|
|
}
|
|
Ok(r)
|
|
}
|
|
|
|
/// Record `key: value` in the running top-level command's journal entry (or its interaction's
|
|
/// preview) unless its params give `key`: a value it resolved from the preferences.
|
|
pub fn note_journal(&mut self, key: &str, value: Value) {
|
|
if self.depth == 1 {
|
|
self.journal_note.insert(key.to_string(), value);
|
|
}
|
|
}
|
|
|
|
/// `params` with the noted values added (see [`Session::note_journal`]).
|
|
fn noted(&mut self, params: &Value) -> Value {
|
|
let mut note = std::mem::take(&mut self.journal_note);
|
|
match params {
|
|
// The params' own values win.
|
|
Value::Object(m) if !note.is_empty() => {
|
|
note.extend(m.clone());
|
|
Value::Object(note)
|
|
}
|
|
Value::Null if !note.is_empty() => Value::Object(note),
|
|
_ => params.clone(),
|
|
}
|
|
}
|
|
|
|
fn run_nested(&mut self, f: impl FnOnce(&mut Self) -> Result<Value>) -> Result<Value> {
|
|
self.depth += 1;
|
|
let r = f(self);
|
|
self.depth -= 1;
|
|
r
|
|
}
|
|
|
|
/// A top-level command: a panic (a bug) becomes [`EngineError::Internal`] and the active
|
|
/// document goes back to how it was before the command, instead of crashing the frontend.
|
|
fn run_guarded(&mut self, id: &str, f: impl FnOnce(&mut Self) -> Result<Value>) -> Result<Value> {
|
|
let snapshot = self.active().map(|d| (d.uid, d.doc.clone(), d.selection.clone(), d.interaction.clone()));
|
|
let active = self.active;
|
|
match guard::catch_panic(|| self.run_nested(f)) {
|
|
Ok(r) => r,
|
|
Err(msg) => {
|
|
self.depth = 0;
|
|
self.journal_note.clear();
|
|
if let Some((uid, doc, selection, interaction)) = snapshot
|
|
&& let Some(st) = self.docs.iter_mut().find(|d| d.uid == uid)
|
|
{
|
|
st.doc = doc;
|
|
st.selection = selection;
|
|
st.interaction = interaction;
|
|
st.revision += 1;
|
|
}
|
|
if active.is_some_and(|i| i < self.docs.len()) {
|
|
self.active = active;
|
|
}
|
|
Err(EngineError::Internal { cmd: id.to_string(), msg })
|
|
}
|
|
}
|
|
}
|
|
|
|
/// Run `f` on a mutable copy of the active document. Outside an interaction this records one
|
|
/// undo step labelled `label`; inside one it just mutates (the interaction commits later).
|
|
pub fn edit<T>(&mut self, label: &str, f: impl FnOnce(&mut Document, &mut Selection) -> Result<T>) -> Result<T> {
|
|
let st = self.doc_mut()?;
|
|
let before = st.doc.clone();
|
|
let before_sel = st.selection.clone();
|
|
let doc = Arc::make_mut(&mut st.doc);
|
|
let result = match f(doc, &mut st.selection) {
|
|
Ok(v) => {
|
|
// Text Wrap: area type follows its wrap objects; then threads re-flow.
|
|
cmd::textwrap::refresh(Arc::make_mut(&mut st.doc));
|
|
// Opacity-mask editing: the mask follows its art on the editing layer.
|
|
if st.doc.mask_edit.is_some() {
|
|
cmd::maskedit::sync(Arc::make_mut(&mut st.doc));
|
|
}
|
|
// Threaded text re-flows when any of its frames changed.
|
|
if !st.doc.text_threads.is_empty() {
|
|
cmd::threads::reflow(&before, Arc::make_mut(&mut st.doc));
|
|
}
|
|
if doc_sane(&st.doc, &st.selection) {
|
|
Ok(v)
|
|
} else {
|
|
Err(EngineError::Other("result would exceed the canvas (coordinates out of range)".into()))
|
|
}
|
|
}
|
|
Err(e) => Err(e),
|
|
};
|
|
match result {
|
|
Ok(v) => {
|
|
st.selection.prune(&st.doc);
|
|
st.revision += 1;
|
|
if st.interaction.is_none() {
|
|
st.history.undo.push(HistoryEntry { label: label.to_string(), doc: before, selection: before_sel });
|
|
if st.history.undo.len() > st.history.limit {
|
|
st.history.undo.remove(0);
|
|
}
|
|
st.history.redo.clear();
|
|
}
|
|
Ok(v)
|
|
}
|
|
Err(e) => {
|
|
st.doc = before;
|
|
st.selection = before_sel;
|
|
Err(e)
|
|
}
|
|
}
|
|
}
|
|
|
|
/// Change only the selection (not an undo step).
|
|
pub fn select(&mut self, f: impl FnOnce(&Document, &mut Selection)) -> Result<()> {
|
|
self.active_appearance_item = None;
|
|
let st = self.doc_mut()?;
|
|
f(&st.doc, &mut st.selection);
|
|
st.selection.prune(&st.doc);
|
|
st.revision += 1;
|
|
Ok(())
|
|
}
|
|
|
|
// ---------- interactions (live drags) ----------
|
|
|
|
pub fn begin_interaction(&mut self, label: &str) -> Result<()> {
|
|
let st = self.doc_mut()?;
|
|
if st.interaction.is_some() {
|
|
return Ok(());
|
|
}
|
|
st.interaction = Some(Interaction {
|
|
label: label.to_string(),
|
|
doc: st.doc.clone(),
|
|
selection: st.selection.clone(),
|
|
preview: None,
|
|
active_layer: st.active_layer,
|
|
isolation: st.isolation,
|
|
});
|
|
Ok(())
|
|
}
|
|
|
|
/// Re-apply `cmd` on top of the interaction snapshot (replacing the previous preview).
|
|
pub fn preview(&mut self, cmd: &str, params: &Value) -> Result<Value> {
|
|
{
|
|
let st = self.doc_mut()?;
|
|
let Some(it) = &st.interaction else { return Err(EngineError::Other("no interaction in progress".into())) };
|
|
st.doc = it.doc.clone();
|
|
st.selection = it.selection.clone();
|
|
}
|
|
let rw = cmd::distortcmds::perspective_rewrite(self, cmd, params);
|
|
let (cmd, params) = rw.as_ref().map_or((cmd, params), |(c, p)| (c.as_str(), p));
|
|
let r = self.execute(cmd, params);
|
|
let params = self.noted(params);
|
|
let st = self.doc_mut()?;
|
|
if let Some(it) = &mut st.interaction {
|
|
it.preview = Some((cmd.to_string(), params));
|
|
}
|
|
r
|
|
}
|
|
|
|
pub fn commit_interaction(&mut self) -> Result<()> {
|
|
if let Some(p) = self.pending_paint.take() {
|
|
self.remember_paint_now(&p);
|
|
}
|
|
let st = self.doc_mut()?;
|
|
let Some(it) = st.interaction.take() else { return Ok(()) };
|
|
let Some(preview) = it.preview else { return Ok(()) };
|
|
if !Arc::ptr_eq(&it.doc, &st.doc) {
|
|
st.history.undo.push(HistoryEntry { label: it.label, doc: it.doc, selection: it.selection });
|
|
st.history.redo.clear();
|
|
st.revision += 1;
|
|
}
|
|
if preview.0 == "object.transform" {
|
|
let m = cmd::matrix_param(&preview.1, "matrix");
|
|
let copy = preview.1.get("copy").and_then(Value::as_bool).unwrap_or(false);
|
|
if let Some(m) = m {
|
|
st.last_transform = Some((m, copy));
|
|
}
|
|
}
|
|
self.journal.push(preview);
|
|
Ok(())
|
|
}
|
|
|
|
pub fn cancel_interaction(&mut self) -> Result<()> {
|
|
self.pending_paint = None;
|
|
let st = self.doc_mut()?;
|
|
if let Some(it) = st.interaction.take() {
|
|
st.doc = it.doc;
|
|
st.selection = it.selection;
|
|
st.active_layer = it.active_layer;
|
|
st.isolation = it.isolation;
|
|
st.revision += 1;
|
|
}
|
|
Ok(())
|
|
}
|
|
|
|
pub fn in_interaction(&self) -> bool {
|
|
self.active().is_some_and(|d| d.interaction.is_some())
|
|
}
|
|
|
|
/// Commands with enablement (for menus, palette, MCP `list_commands`).
|
|
pub fn commands(&self) -> Vec<CommandInfo> {
|
|
command_specs().iter().map(|c| c.info(self)).collect()
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests;
|
|
#[cfg(test)]
|
|
mod tests_appearance;
|
|
#[cfg(test)]
|
|
mod tests_attributes;
|
|
#[cfg(test)]
|
|
mod tests_brushsym;
|
|
#[cfg(test)]
|
|
mod tests_build;
|
|
#[cfg(test)]
|
|
mod tests_charstroke;
|
|
#[cfg(test)]
|
|
mod tests_clip;
|
|
#[cfg(test)]
|
|
mod tests_clipboard;
|
|
#[cfg(test)]
|
|
mod tests_clipflavours;
|
|
#[cfg(test)]
|
|
mod tests_clippaint;
|
|
#[cfg(test)]
|
|
mod tests_cmdsplit;
|
|
#[cfg(test)]
|
|
mod tests_cmykflatten;
|
|
#[cfg(test)]
|
|
mod tests_colorguide;
|
|
#[cfg(test)]
|
|
mod tests_colorguidelib;
|
|
#[cfg(test)]
|
|
mod tests_colormgmt;
|
|
#[cfg(test)]
|
|
mod tests_colorthemes;
|
|
#[cfg(test)]
|
|
mod tests_containers;
|
|
#[cfg(test)]
|
|
mod tests_dashalign;
|
|
#[cfg(test)]
|
|
mod tests_distort;
|
|
#[cfg(test)]
|
|
mod tests_docsetup;
|
|
#[cfg(test)]
|
|
mod tests_draw2;
|
|
#[cfg(test)]
|
|
mod tests_editcolors;
|
|
#[cfg(test)]
|
|
mod tests_effectedit;
|
|
#[cfg(test)]
|
|
mod tests_expand;
|
|
#[cfg(test)]
|
|
mod tests_eyedropper;
|
|
#[cfg(test)]
|
|
mod tests_file;
|
|
#[cfg(test)]
|
|
mod tests_fileinfo;
|
|
#[cfg(test)]
|
|
mod tests_flatpresets;
|
|
#[cfg(test)]
|
|
mod tests_flatpreview;
|
|
#[cfg(test)]
|
|
mod tests_flatten;
|
|
#[cfg(test)]
|
|
mod tests_focal;
|
|
#[cfg(test)]
|
|
mod tests_freeform;
|
|
#[cfg(test)]
|
|
mod tests_gradient;
|
|
#[cfg(test)]
|
|
mod tests_gradpanel;
|
|
#[cfg(test)]
|
|
mod tests_knockout;
|
|
#[cfg(test)]
|
|
mod tests_labspots;
|
|
#[cfg(test)]
|
|
mod tests_layerclip;
|
|
#[cfg(test)]
|
|
mod tests_linked_stops;
|
|
#[cfg(test)]
|
|
mod tests_links;
|
|
#[cfg(test)]
|
|
mod tests_live;
|
|
#[cfg(test)]
|
|
mod tests_maskview;
|
|
#[cfg(test)]
|
|
mod tests_menucmds;
|
|
#[cfg(test)]
|
|
mod tests_newart;
|
|
#[cfg(test)]
|
|
mod tests_newdoc;
|
|
#[cfg(test)]
|
|
mod tests_objexpand;
|
|
#[cfg(test)]
|
|
mod tests_opacitymask;
|
|
#[cfg(test)]
|
|
mod tests_outlinestroke;
|
|
#[cfg(test)]
|
|
mod tests_overprint;
|
|
#[cfg(test)]
|
|
mod tests_paintproxy;
|
|
#[cfg(test)]
|
|
mod tests_panelcmds;
|
|
#[cfg(test)]
|
|
mod tests_pathops;
|
|
#[cfg(test)]
|
|
mod tests_pattern;
|
|
#[cfg(test)]
|
|
mod tests_pdfpresets;
|
|
#[cfg(test)]
|
|
mod tests_place;
|
|
#[cfg(test)]
|
|
mod tests_prefs;
|
|
#[cfg(test)]
|
|
mod tests_previewbounds;
|
|
#[cfg(test)]
|
|
mod tests_proxyitems;
|
|
#[cfg(test)]
|
|
mod tests_rastersettings;
|
|
#[cfg(test)]
|
|
mod tests_recolor;
|
|
#[cfg(test)]
|
|
mod tests_registration;
|
|
#[cfg(test)]
|
|
mod tests_save;
|
|
#[cfg(test)]
|
|
mod tests_scalestrokes;
|
|
#[cfg(test)]
|
|
mod tests_strokegeom;
|
|
#[cfg(test)]
|
|
mod tests_strokegradient;
|
|
#[cfg(test)]
|
|
mod tests_strokereach;
|
|
#[cfg(test)]
|
|
mod tests_strokeux;
|
|
#[cfg(test)]
|
|
mod tests_stylelib;
|
|
#[cfg(test)]
|
|
mod tests_stylepanel;
|
|
#[cfg(test)]
|
|
mod tests_styles;
|
|
#[cfg(test)]
|
|
mod tests_swatchcmds;
|
|
#[cfg(test)]
|
|
mod tests_swatches;
|
|
#[cfg(test)]
|
|
mod tests_swatchlib;
|
|
#[cfg(test)]
|
|
mod tests_targeting;
|
|
#[cfg(test)]
|
|
mod tests_textedit;
|
|
#[cfg(test)]
|
|
mod tests_textimport;
|
|
#[cfg(test)]
|
|
mod tests_tileedge;
|
|
#[cfg(test)]
|
|
mod tests_tints;
|
|
#[cfg(test)]
|
|
mod tests_transparencygrid;
|
|
#[cfg(test)]
|
|
mod tests_units;
|
|
#[cfg(test)]
|
|
mod tests_widthpoints;
|
|
#[cfg(test)]
|
|
mod tests_widthprofiles;
|
|
#[cfg(test)]
|
|
mod tests_xform;
|