mirror of
https://github.com/storytold/figcraft.git
synced 2026-10-30 05:16:56 -06:00
500 lines
23 KiB
Rust
500 lines
23 KiB
Rust
use super::{
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BTreeMap, Effect, EngineError, Map, Node, NodeId, NodeKind, Result, Session, Value, bad, blend, boolean, color, fraction_of, get, json, num, ok,
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opt_index, paint_of, parse, req_id, req_index, req_string, req_targets, roots, string, targets, z_sorted,
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};
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pub(super) fn batch_rename(s: &mut Session, p: &Value) -> Result<Value> {
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let cmd = "object.batchRename";
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let ids = req_targets(cmd, s, p)?;
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let find = string(p, "find");
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let replace = string(p, "replace").unwrap_or_default();
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let pattern = string(p, "name");
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let rename =
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crate::rename::BatchRename::new(find.as_deref(), boolean(p, "regex").unwrap_or(false), &replace, pattern.as_deref(), num(p, "start"))
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.map_err(|e| bad(cmd, e))?;
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let doc = s.doc_mut()?;
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let names = rename.plan(doc, &ids);
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for (i, name) in &names {
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doc.get_mut(*i)?.name = name.clone();
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}
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Ok(json!({"names": names.iter().map(|(i, n)| json!({"id": i, "name": n})).collect::<Vec<_>>()}))
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}
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/// Char index of the first case-insensitive occurrence of `needle` in `hay` at or after `from`.
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/// Works on char indices (what `replace_range` takes), so lowercasing never shifts offsets.
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fn find_ci(hay: &[char], needle: &[char], from: usize) -> Option<usize> {
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if needle.is_empty() {
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return None;
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}
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(from..hay.len())
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.find(|&i| hay.get(i..i + needle.len()).is_some_and(|w| w.iter().zip(needle).all(|(a, b)| a == b || a.to_lowercase().eq(b.to_lowercase()))))
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}
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pub(super) fn find_replace(s: &mut Session, p: &Value) -> Result<Value> {
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let find = req_string("edit.findReplace", p, "find")?;
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if find.is_empty() {
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return Err(bad("edit.findReplace", "`find` is empty"));
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}
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// Line breaks stored as the editor stores them (CRLF, CR, U+2028 and U+2029 become LF).
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let replace = string(p, "replace").map(|r| crate::cmd::props::normalize_line_endings(&r));
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let names = boolean(p, "layerNames").unwrap_or(false);
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let page = s.page()?;
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let doc = s.doc_mut()?;
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let mut hits = Vec::new();
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let needle: Vec<char> = find.chars().collect();
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let r_chars: Vec<char> = replace.as_deref().map(|r| r.chars().collect()).unwrap_or_default();
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for i in doc.subtree(page) {
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let Some(n) = doc.node(i) else { continue };
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let text: Option<Vec<char>> = match &n.kind {
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NodeKind::Text(t) => Some(t.characters.chars().collect()),
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_ => None,
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};
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let text_hit = text.as_deref().is_some_and(|c| find_ci(c, &needle, 0).is_some());
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let name_hit = names && find_ci(&n.name.chars().collect::<Vec<_>>(), &needle, 0).is_some();
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if !(text_hit || name_hit) || n.is_page() {
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continue;
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}
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hits.push(i);
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if let Some(r) = &replace {
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let n = doc.get_mut(i)?;
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if names && name_hit {
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let chars: Vec<char> = n.name.chars().collect();
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let mut out = String::new();
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let mut at = 0;
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while let Some(pos) = find_ci(&chars, &needle, at) {
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out.extend(chars.get(at..pos).unwrap_or_default());
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out.push_str(r);
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at = pos + needle.len();
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}
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out.extend(chars.get(at..).unwrap_or_default());
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n.name = out;
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}
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if let (NodeKind::Text(t), Some(mut chars)) = (&mut n.kind, text) {
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// Replace occurrence by occurrence so styles shift correctly. The search resumes
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// after each inserted replacement, so a replacement that matches `find` (in any
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// case) neither loops forever nor stops the other occurrences.
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let mut cursor = 0;
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for _ in 0..10_000 {
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let Some(start) = find_ci(&chars, &needle, cursor) else { break };
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t.replace_range(start, start + needle.len(), r);
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chars.splice(start..start + needle.len(), r_chars.iter().copied());
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cursor = start + r_chars.len();
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}
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}
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}
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}
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if boolean(p, "select").unwrap_or(true) {
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s.set_selection(hits.clone());
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}
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Ok(json!({"matches": hits}))
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}
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/// Keys only some layer types take, the test for those layers, and why the others skip them.
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type TypedKeys<'a> = (&'a [&'a str], &'a dyn Fn(&Node) -> bool, &'a str);
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pub(super) fn set(s: &mut Session, p: &Value) -> Result<Value> {
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let ids = req_targets("node.set", s, p)?;
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let props = match get(p, "props") {
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Some(Value::Object(m)) => m.clone(),
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_ => {
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// Allow flat params: {"id": 3, "fill": "#f00"}.
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let mut m = p.as_object().cloned().unwrap_or_default();
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m.remove("id");
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m.remove("ids");
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m
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}
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};
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if props.is_empty() {
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return Err(bad("node.set", "no properties given"));
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}
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// A new rotation for the selection turns it about its moved rotation origin: each layer's
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// point under the origin stays put.
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let ds = s.ds()?;
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let pivot =
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ds.moved_origin().filter(|_| props.contains_key("rotation") && !props.contains_key("x") && !props.contains_key("y") && ds.selection == ids);
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let pinned: Vec<(NodeId, figcraft_geom::Point)> = match pivot {
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Some(o) => roots(&ds.doc, &ids)
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.into_iter()
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.map(|i| (i, ds.doc.world_transform(i)))
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.filter(|(_, w)| w.determinant().abs() > 1e-12)
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.map(|(i, w)| (i, w.inverse() * o))
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.collect(),
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None => Vec::new(),
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};
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let mut warnings = font_style_warnings(&s.ds()?.doc, &ids, &props);
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// Type-specific keys go to the layers that take them and are skipped, with a warning, on the
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// others: auto layout keys to frame-like layers, `path` to vectors. With none among the targets
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// that take them, the first refuses them (`props::layout_mut`, `props::apply`).
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let doc = &s.ds()?.doc;
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let layout_keys: Vec<&str> = props.keys().map(String::as_str).filter(|k| crate::cmd::props::LAYOUT_KEYS.contains(k)).collect();
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let path_keys: Vec<&str> = props.keys().map(String::as_str).filter(|k| *k == "path").collect();
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let frame_like = |n: &Node| n.kind.is_frame_like();
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let vector = |n: &Node| matches!(n.kind, NodeKind::Vector { .. });
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let typed: [TypedKeys; 2] = [
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(&layout_keys, &frame_like, "only frames, components and instances have auto layout"),
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(&path_keys, &vector, "only vector layers have a path"),
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];
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let mut skipped: BTreeMap<NodeId, Map<String, Value>> = BTreeMap::new();
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for (keys, takes, why) in typed {
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let takes = |i: &NodeId| doc.node(*i).is_some_and(takes);
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if keys.is_empty() || !ids.iter().any(takes) {
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continue;
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}
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let others: Vec<NodeId> = ids.iter().copied().filter(|i| !takes(i)).collect();
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if others.is_empty() {
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continue;
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}
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for i in &others {
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skipped.entry(*i).or_insert_with(|| props.clone()).retain(|k, _| !keys.contains(&k.as_str()));
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}
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let names: Vec<String> =
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others.iter().take(10).filter_map(|i| doc.node(*i)).map(|n| format!("{} “{}” ({})", n.id, n.name, n.kind.type_name())).collect();
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let more = if others.len() > names.len() { format!(" and {} more", others.len() - names.len()) } else { String::new() };
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warnings.push(format!(
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"{} skipped on {}{more}: {why}",
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keys.iter().map(|k| format!("`{k}`")).collect::<Vec<_>>().join(", "),
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names.join(", ")
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));
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}
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let doc = s.doc_mut()?;
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let before = crate::cmd::styles::bound_before(doc, &ids);
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for i in ids {
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crate::cmd::props::apply("node.set", doc, i, skipped.get(&i).unwrap_or(&props))?;
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}
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crate::cmd::styles::detach_edited(doc, &before);
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if let Some(o) = pivot {
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for (i, q) in pinned {
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let d = o - doc.world_transform(i) * q;
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if d.hypot().is_finite() {
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crate::cmd::arrange::move_world(doc, i, d.x, d.y)?;
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}
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}
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}
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if warnings.is_empty() { ok() } else { Ok(json!({"ok": true, "warnings": warnings})) }
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}
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/// A `fontStyle` draws in the family's face nearest to it, as a text layer resolves it. When that
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/// face has another weight or slant than the name asks for ("Black" on a family whose heaviest is
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/// Bold), say which face it is. Families that aren't installed, and names that match a style or a
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/// named instance (spelled any way: "SemiBold", "Semi Bold"), say nothing.
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fn font_style_warnings(doc: &figcraft_doc::Document, ids: &[NodeId], props: &serde_json::Map<String, Value>) -> Vec<String> {
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let Some(style) = props.get("fontStyle").and_then(Value::as_str) else { return Vec::new() };
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let mut families: Vec<String> = match props.get("fontFamily").and_then(Value::as_str) {
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Some(f) => vec![f.to_string()],
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None => ids
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.iter()
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.filter_map(|i| doc.node(*i))
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.filter_map(|n| n.kind.text())
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.flat_map(|t| t.spans().into_iter().map(|(_, _, st)| st.font_family.clone()).collect::<Vec<_>>())
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.collect(),
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};
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families.sort();
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families.dedup();
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let norm = |s: &str| s.to_lowercase().replace([' ', '-', '_'], "");
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let (want_w, want_i) = (i32::from(figcraft_doc::style_weight(style)), style.to_lowercase().contains("italic"));
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families
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.into_iter()
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.filter_map(|family| {
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let styles = figcraft_text::family_styles(&family);
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if styles.is_empty() || styles.iter().any(|x| norm(x) == norm(style)) {
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return None;
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}
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let face = figcraft_text::find_face(&family, style).filter(|f| f.family.eq_ignore_ascii_case(&family))?;
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let w = face.axis("wght").map_or(i32::from(face.weight), |a| a.clamp(f64::from(want_w)).round() as i32);
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if face.instance(style).is_some() || (w == want_w && face.italic == want_i) {
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return None;
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}
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Some(format!("{family} has no `{style}` style: it draws in {}, the nearest (it has: {})", face.style, styles.join(", ")))
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})
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.collect()
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}
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/// `stroke.widthProfile`: a preset or points (through `node.set`'s `widthProfile`, so instances
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/// record the override).
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pub(super) fn width_profile(s: &mut Session, p: &Value) -> Result<Value> {
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let cmd = "stroke.widthProfile";
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let v = get(p, "preset").or_else(|| get(p, "points")).cloned().unwrap_or(Value::Null);
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let ids = req_targets(cmd, s, p)?;
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let props = serde_json::Map::from_iter([("widthProfile".to_string(), v)]);
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let doc = s.doc_mut()?;
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for i in ids {
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crate::cmd::props::apply(cmd, doc, i, &props)?;
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}
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ok()
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}
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pub(super) fn stroke_brush(s: &mut Session, p: &Value) -> Result<Value> {
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let cmd = "stroke.brush";
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let v = if get(p, "preset").is_none_or(Value::is_null) { Value::Null } else { p.clone() };
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let brush = crate::cmd::props::brush_of(&v).ok_or_else(|| bad(cmd, crate::cmd::props::BRUSH_HELP))?;
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let ids = req_targets(cmd, s, p)?;
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let doc = s.doc_mut()?;
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for i in ids {
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let n = doc.get_mut(i)?;
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if brush.is_some() && n.strokes.is_empty() {
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n.strokes.push(figcraft_color::Paint::solid(figcraft_color::Color::BLACK));
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}
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n.stroke.brush = brush.clone();
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}
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ok()
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}
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pub(super) fn reparent(s: &mut Session, p: &Value) -> Result<Value> {
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let ids = req_targets("node.reparent", s, p)?;
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let parent = req_id("node.reparent", p, "parent")?;
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let index = num(p, "index").map(|i| i.max(0.0) as usize);
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let doc = s.doc_mut()?;
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let ids = z_sorted(doc, &roots(doc, &ids));
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// `index` is where the first moved layer ends up among the parent's children (bottom first),
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// counted after the move, the way `node.reorder` counts it. The layers land together, keeping
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// their order, under the sibling that stays put and ends up just after them (none: on top).
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let above = index.and_then(|at| doc.get(parent).ok()?.children.iter().filter(|c| !ids.contains(c)).nth(at).copied());
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for i in &ids {
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// Counted with the layer still in place, as `reparent` expects.
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let at = above.and_then(|a| doc.node(parent)?.children.iter().position(|c| *c == a));
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doc.reparent(*i, parent, at)?;
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}
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ok()
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}
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pub(super) fn paint_list(s: &mut Session, p: &Value, fills: bool, add: bool) -> Result<Value> {
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let cmd = if fills { "fill" } else { "stroke" };
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let ids = req_targets(cmd, s, p)?;
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let index = if add || get(p, "index").is_none() { None } else { Some(req_index(cmd, p, "index")?) };
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let doc = s.doc_mut()?;
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for i in ids {
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let n = doc.get_mut(i)?;
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let frameish = n.kind.is_frame_like();
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let list = if fills { &mut n.fills } else { &mut n.strokes };
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if add {
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let paint = match get(p, "paint").or_else(|| get(p, "color")) {
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Some(v) => paint_of(v).ok_or_else(|| bad(cmd, "invalid paint"))?,
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None if fills && frameish => figcraft_color::Paint::solid(figcraft_color::Color::WHITE),
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None if fills => figcraft_color::Paint::solid(figcraft_color::Color::DEFAULT_SHAPE),
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None => figcraft_color::Paint::solid(figcraft_color::Color::BLACK),
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};
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list.push(paint);
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} else {
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let idx = index.unwrap_or(list.len().saturating_sub(1));
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// The paint's colour binding goes with it; later paints' move down one.
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crate::cmd::lists::remove_item(n, if fills { crate::cmd::lists::BoundList::Fills } else { crate::cmd::lists::BoundList::Strokes }, idx);
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}
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}
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ok()
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}
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pub(super) fn paint_set(s: &mut Session, p: &Value, fills: bool) -> Result<Value> {
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let cmd = if fills { "fill.set" } else { "stroke.set" };
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let ids = req_targets(cmd, s, p)?;
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let idx = opt_index(cmd, p, "index")?;
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let new_paint = match get(p, "paint") {
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Some(v) => Some(paint_of(v).ok_or_else(|| bad(cmd, "invalid paint"))?),
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None => None,
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};
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let col = color(p, "color");
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let doc = s.doc_mut()?;
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for i in ids {
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let n = doc.get_mut(i)?;
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let list = if fills { &mut n.fills } else { &mut n.strokes };
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let at = idx.unwrap_or(list.len().saturating_sub(1));
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if list.is_empty() {
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list.push(figcraft_color::Paint::solid(if fills { figcraft_color::Color::DEFAULT_SHAPE } else { figcraft_color::Color::BLACK }));
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}
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let Some(slot) = list.get_mut(at) else { return Err(bad(cmd, format!("no paint at index {at}"))) };
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let old = slot.clone();
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if let Some(np) = &new_paint {
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*slot = np.clone();
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}
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if let Some(c) = col {
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slot.kind = figcraft_color::PaintKind::Solid { color: c.with_alpha(1.0) };
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if c.a < 1.0 {
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slot.opacity = c.a;
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slot.color_alpha = c.a;
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}
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}
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if let Some(o) = get(p, "opacity").and_then(fraction_of) {
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slot.opacity = o.clamp(0.0, 1.0) as f32;
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slot.color_alpha = 1.0;
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}
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if let Some(v) = boolean(p, "visible") {
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slot.visible = v;
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}
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if let Some(b) = blend(p, "blend") {
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slot.blend = b;
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}
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crate::cmd::lists::rebind_edited_paint(n, fills, at, &old);
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if fills {
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n.styles.fill = None;
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} else {
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n.styles.stroke = None;
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}
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}
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ok()
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}
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/// Copy paint `index` (the top one by default) of the first target into the clipboard. A stroke
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/// takes its node-wide settings (weight, alignment, sides, caps, joins, dashes) along.
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pub(super) fn paint_copy(s: &mut Session, p: &Value, fills: bool) -> Result<Value> {
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let cmd = if fills { "fill.copy" } else { "stroke.copy" };
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let id = targets(s, p).first().copied().ok_or_else(|| bad(cmd, "select a layer"))?;
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let at = opt_index(cmd, p, "index")?;
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let (paint, stroke) = {
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let doc = s.doc()?;
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let n = doc.get(id)?;
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let list = if fills { &n.fills } else { &n.strokes };
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let at = at.unwrap_or(list.len().saturating_sub(1));
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let paint = list.get(at).cloned().ok_or_else(|| bad(cmd, format!("no {} at index {at}", if fills { "fill" } else { "stroke" })))?;
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(paint, (!fills).then(|| n.stroke.clone()))
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};
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// An image paint names its data by key: take the data along, so a paste into another file has
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// it too. A pattern names a layer in this file, so the file is recorded with the copy.
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let mut images = std::collections::BTreeMap::new();
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if let figcraft_color::PaintKind::Image(img) = &paint.kind
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&& let Some(d) = s.doc()?.images.get(&img.image)
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{
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images.insert(img.image.clone(), d.clone());
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}
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s.clipboard.paint_images = images;
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s.clipboard.paint_source_doc = s.ds()?.uid;
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s.clipboard.paint = Some((fills, paint.clone()));
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s.clipboard.stroke = stroke;
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serde_json::to_value(&paint).map_err(|e| bad(cmd, e.to_string()))
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}
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/// Paste the copied paint onto the targets: replacing paint `index` there, or adding one. A
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/// stroke's copied settings go onto each target too.
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pub(super) fn paint_paste(s: &mut Session, p: &Value, fills: bool) -> Result<Value> {
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let cmd = if fills { "fill.paste" } else { "stroke.paste" };
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let Some((copied_fills, mut paint)) = s.clipboard.paint.clone() else {
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return Err(EngineError::Disabled(cmd.into(), "no copied fill or stroke".into()));
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};
|
|
if copied_fills != fills {
|
|
let what = if fills { "stroke" } else { "fill" };
|
|
return Err(EngineError::Disabled(cmd.into(), format!("the copied paint is a {what}")));
|
|
}
|
|
let ids = req_targets(cmd, s, p)?;
|
|
// A copied pattern pointing at a target or a layer inside it would make the layer pattern
|
|
// itself; `fill.pattern` refuses the same, and the renderer would drop the pattern. Its node id
|
|
// only names something in the file it was copied from, where it may be an unrelated layer.
|
|
if let figcraft_color::PaintKind::Pattern(pt) = &paint.kind {
|
|
if s.ds()?.uid != s.clipboard.paint_source_doc {
|
|
return Err(bad(cmd, "a pattern can't be pasted into another file"));
|
|
}
|
|
let doc = s.doc()?;
|
|
if ids.iter().any(|t| doc.is_ancestor(*t, NodeId(pt.source))) {
|
|
return Err(bad(cmd, "a layer can't be filled with itself or a layer inside it"));
|
|
}
|
|
}
|
|
// An image paint names its data by key; a copy from another file brings the data with it.
|
|
if let figcraft_color::PaintKind::Image(img) = &mut paint.kind {
|
|
let copied = img.image.clone();
|
|
if let Some(d) = s.clipboard.paint_images.get(&copied).cloned() {
|
|
let doc = s.doc_mut()?;
|
|
// The destination may already use that key for different data (other layers keep
|
|
// that image): the pasted paint takes the copied data's content hash instead. That key
|
|
// can be taken too — images are usually keyed by their hash, so the copied key often
|
|
// is that hash — and then a numbered variant of it. Image keys become archive member
|
|
// names, which keep only letters and digits, so the number is appended plainly.
|
|
let base = if doc.images.get(&copied).is_some_and(|existing| existing != &d) { figcraft_format::image_hash(&d.bytes) } else { copied };
|
|
let mut key = base.clone();
|
|
let mut n = 0u32;
|
|
while doc.images.get(&key).is_some_and(|existing| existing != &d) {
|
|
n = n.saturating_add(1);
|
|
if n > 999 {
|
|
return Err(bad(cmd, "no free image key for the copied image"));
|
|
}
|
|
key = format!("{base}{n}");
|
|
}
|
|
doc.images.entry(key.clone()).or_insert(d);
|
|
img.image = key;
|
|
}
|
|
}
|
|
let mut q = json!({"ids": ids, "paint": serde_json::to_value(paint).map_err(|e| bad(cmd, e.to_string()))?});
|
|
let out = match opt_index(cmd, p, "index")? {
|
|
Some(at) => {
|
|
q["index"] = json!(at);
|
|
paint_set(s, &q, fills)?
|
|
}
|
|
None => paint_list(s, &q, fills, true)?,
|
|
};
|
|
if let Some(stroke) = s.clipboard.stroke.clone().filter(|_| !fills) {
|
|
for id in ids {
|
|
s.doc_mut()?.get_mut(id)?.stroke = stroke.clone();
|
|
}
|
|
}
|
|
Ok(out)
|
|
}
|
|
|
|
pub(super) fn pattern_fill(s: &mut Session, p: &Value) -> Result<Value> {
|
|
const CMD: &str = "fill.pattern";
|
|
let src = req_id(CMD, p, "source")?;
|
|
let doc = s.doc()?;
|
|
if doc.node(src).is_none_or(|n| n.is_page()) {
|
|
return Err(bad(CMD, "`source` must be a layer"));
|
|
}
|
|
if req_targets(CMD, s, p)?.iter().any(|t| doc.is_ancestor(*t, src)) {
|
|
return Err(bad(CMD, "a layer can't be filled with itself or a layer inside it"));
|
|
}
|
|
let mut pt = figcraft_color::PatternPaint::new(src.0);
|
|
pt.tile = parse(CMD, p, "tile")?.unwrap_or_default();
|
|
pt.align = parse(CMD, p, "align")?.unwrap_or_default();
|
|
pt.spacing = parse(CMD, p, "spacing")?.unwrap_or_default();
|
|
let (lo, hi) = figcraft_color::PatternPaint::SCALE_RANGE;
|
|
pt.scale = num(p, "scale").filter(|v| v.is_finite()).unwrap_or(1.0).clamp(lo, hi);
|
|
let mut q = if p.is_object() { p.clone() } else { json!({}) };
|
|
q["paint"] =
|
|
serde_json::to_value(figcraft_color::Paint { kind: figcraft_color::PaintKind::Pattern(pt), ..figcraft_color::Paint::pattern(src.0) })
|
|
.map_err(|e| bad(CMD, e.to_string()))?;
|
|
paint_set(s, &q, true)
|
|
}
|
|
|
|
pub(super) fn effect_add(s: &mut Session, p: &Value) -> Result<Value> {
|
|
let e: Effect = match crate::cmd::props::effect_from("effect.add", p, "effect")? {
|
|
Some(e) => e,
|
|
None => {
|
|
let ty = string(p, "type").unwrap_or_else(|| "dropShadow".into());
|
|
Effect::of_type(&ty).ok_or_else(|| bad("effect.add", format!("unknown effect type `{ty}`")))?
|
|
}
|
|
};
|
|
for i in req_targets("effect.add", s, p)? {
|
|
s.doc_mut()?.get_mut(i)?.effects.push(e.clone());
|
|
}
|
|
ok()
|
|
}
|
|
|
|
/// Copy effect `index` (the top one by default) of the first target into the clipboard.
|
|
pub(super) fn effect_copy(s: &mut Session, p: &Value) -> Result<Value> {
|
|
const CMD: &str = "effect.copy";
|
|
let id = targets(s, p).first().copied().ok_or_else(|| bad(CMD, "select a layer"))?;
|
|
let at = opt_index(CMD, p, "index")?;
|
|
let e = {
|
|
let doc = s.doc()?;
|
|
let list = &doc.get(id)?.effects;
|
|
let at = at.unwrap_or(list.len().saturating_sub(1));
|
|
list.get(at).cloned().ok_or_else(|| bad(CMD, format!("no effect at index {at}")))?
|
|
};
|
|
s.clipboard.effect = Some(e.clone());
|
|
serde_json::to_value(&e).map_err(|err| bad(CMD, err.to_string()))
|
|
}
|
|
|
|
/// Paste the copied effect onto the targets: replacing effect `index` there, or adding one.
|
|
pub(super) fn effect_paste(s: &mut Session, p: &Value) -> Result<Value> {
|
|
const CMD: &str = "effect.paste";
|
|
let Some(e) = s.clipboard.effect.clone() else {
|
|
return Err(EngineError::Disabled(CMD.into(), "no copied effect".into()));
|
|
};
|
|
let at = opt_index(CMD, p, "index")?;
|
|
for id in req_targets(CMD, s, p)? {
|
|
let n = s.doc_mut()?.get_mut(id)?;
|
|
match at {
|
|
Some(i) => {
|
|
if let Some(slot) = n.effects.get_mut(i) {
|
|
*slot = e.clone();
|
|
}
|
|
}
|
|
None => n.effects.push(e.clone()),
|
|
}
|
|
}
|
|
ok()
|
|
}
|