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Part of #868: Save As .ai offers Legacy (version 7), with Transparent Images and an artboard range

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aiVersion 7 saves through the legacy writer, one file per artboard; range picks the artboards
and document.save writes them again. Appearances are expanded first. Transparent images
(see-through pixels, opacity or a blending mode) are flattened with the art under them into
opaque images clipped to where they change it (transparentImages "flatten", the default), or
left out ("omit"); both warn.
This commit is contained in:
Dan Green
2026-10-16 01:36:24 +07:00
committed by bflatastic
parent eb320593dc
commit bcae7ca486
7 changed files with 539 additions and 6 deletions
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crates/engine/src/cmd/fileio/save.rs
+16 -5
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@@ -335,7 +335,8 @@ impl<W: std::io::Write> std::io::Write for Counted<W> {
/// The artboards a native or `.ai` save also writes to files of their own: with
/// `separateArtboards`, those `range` names (default all).
fn separate_boards(cmd: &str, f: &Format, doc: &Document, p: &Value) -> Result<Vec<usize>> {
if !is_native(f) || !bool_or(p, "separateArtboards", false) {
// A legacy .ai file is a file per artboard already.
if !is_native(f) || !bool_or(p, "separateArtboards", false) || super::legacy_ai::wanted(cmd, p)? {
return Ok(vec![]);
}
let range = str_param(p, "range").filter(|r| !r.trim().is_empty()).map(str::to_string);
@@ -346,7 +347,7 @@ fn separate_boards(cmd: &str, f: &Format, doc: &Document, p: &Value) -> Result<V
/// `doc` reduced to artboard `i` and the art on it (Save each artboard to a separate file):
/// objects whose bounds touch the artboard, in their layers; resources are kept.
fn artboard_doc(doc: &Document, i: usize) -> Document {
pub(super) fn artboard_doc(doc: &Document, i: usize) -> Document {
let mut d = doc.clone();
let Some(a) = doc.artboards.get(i) else { return d };
let r = a.rect;
@@ -387,6 +388,9 @@ const NOT_PDF_COMPATIBLE: &str = "saved without PDF content: VectorCraft opens i
/// The shared Save and Export encoder for PDF-compatible `.ai` files.
pub(super) fn encode_ai(cmd: &str, f: &Format, doc: &Document, p: &Value) -> Result<Encoded> {
if super::legacy_ai::wanted(cmd, p)? {
return super::legacy_ai::encode(cmd, f, doc, p);
}
let mut params = if p.is_object() { p.clone() } else { json!({}) };
if let Some(o) = params.as_object_mut() {
o.insert("preserveEditing".into(), json!(true));
@@ -463,9 +467,14 @@ fn job_for_stamped(s: &Session, st: &DocState, plan: SavePlan, stamped: Option<i
}
let boards = separate_boards(cmd, plan.format, &doc, &params)?;
let mut params = super::pdf::expand_preset(s, cmd, &params)?.into_owned();
let legacy = super::legacy_ai::wanted(cmd, &params)?;
if let (Some(o), "ai") = (params.as_object_mut(), plan.format.id) {
// Save keeps every artboard; exports may choose a subset instead.
o.insert("range".into(), json!("all"));
// Save keeps every artboard; exports may choose a subset instead. A legacy .ai file per
// artboard keeps a range given: the artboards to save.
let chosen = legacy && o.get("range").and_then(Value::as_str).is_some_and(|r| !r.trim().is_empty());
if !chosen {
o.insert("range".into(), json!("all"));
}
}
Ok(SaveJob { plan, doc, params, snapshot, source: st.doc.clone(), stamped, boards })
}
@@ -507,7 +516,9 @@ impl SaveJob {
fn encode_one(&self, doc: &Document) -> Result<Encoded> {
let (cmd, f) = (self.plan.mode.command(), self.plan.format);
let enc = if f.id == "ai" { encode_ai(cmd, f, doc, &self.params)? } else { encode_all(doc, f.id, &self.params)? };
if enc.files.len() != 1 {
// A legacy .ai file per artboard.
let per_artboard = f.id == "ai" && super::legacy_ai::wanted(cmd, &self.params)?;
if enc.files.len() != 1 && !per_artboard {
return Err(bad(cmd, "Save writes one artboard: name one, or export several with document.export"));
}
Ok(enc)