Merge pull request #2050 from EricKuck/fix/ai-blurred-art-drawn-look

AI import: a drawn look that is an image stands for its object, as one of paths does

crates/eps/src/import/ai/read.rs

@@ -22,7 +22,8 @@
 //!   (y down, its centre the template box's), where they start at the point of art space's origin,
 //!   the first row the top one. Each is a linked image showing the preview until its file is found.
 //! - Art with an appearance the format can't write as plain art (several fills or strokes,
-//!   effects, brushes) comes first as that look, drawn (a group), then the object itself on `%_`
+//!   effects, brushes) comes first as that look, drawn (a group, or an image where an effect
+//!   rasterizes it), then the object itself on `%_`
 //!   lines and `1 (style) XW`: the drawn look is kept, named after the object.
 //! - Patterns: `%AI3_BeginPattern: (name)`, `(name) llx lly urx ury` (the tile, in the pattern's
 //!   space, y up), the tile's art (on `%_` lines in newer files), `E`, `%AI3_EndPattern`; each is
@@ -1549,9 +1550,10 @@ impl<'a> Reader<'a> {
         let (Some(object), Some(look)) = (n.checked_sub(1).and_then(|i| f.children.get(i)), n.checked_sub(2).and_then(|i| f.children.get(i))) else {
             return;
         };
+        // The look is a group of paths, or one image where an effect (a blur, a shadow) rasterizes it.
         if !self.hidden_ids.contains(&object.id)
             || self.hidden_ids.contains(&look.id) != hidden
-            || !matches!(look.kind, NodeKind::Group { clip: false, .. })
+            || !matches!(look.kind, NodeKind::Group { clip: false, .. } | NodeKind::Image(_))
         {
             return;
         }

crates/eps/src/import/ai/tests.rs

@@ -539,6 +539,21 @@ fn image(matrix: &str, (w, h): (u32, u32), (space, kind, alpha): (&str, u32, u32
     out
 }
 
+/// An effect that rasterizes (a blur) leaves its drawn look as one image, then the object itself on
+/// `%_` lines: the image stands for the object, as for a drawn look that's a group.
+#[test]
+fn a_drawn_look_that_is_an_image_stands_for_its_object() {
+    let mut data = image("[ 10 0 0 10 50 90 ]", (1, 1), ("DeviceRGB", 3, 0), &[255, 0, 0], 3);
+    let object = format!("%_0 Ae\r\n%_u\r\n%_{}f\r\n%_U\r\n1 (Blurred) XW\r\n", rect_path(0.0, 0.0, 10.0, 10.0).replace('\n', "\r\n%_"));
+    let at = data.windows(6).position(|w| w == b"N\r\nLB\r").unwrap() + 3;
+    data.splice(at..at, object.into_bytes());
+    let r = read(&data).unwrap();
+    let a = art(&r.doc);
+    assert_eq!(a.len(), 1, "{a:#?}");
+    assert!(matches!(a[0].kind, NodeKind::Image(_)), "{:?}", a[0].kind);
+    assert!(r.warnings.iter().any(|w| w.contains("drawn look (1)")), "{:?}", r.warnings);
+}
+
 fn pixels(doc: &Document) -> (image::RgbaImage, kurbo::Affine) {
     let a = art(doc);
     let NodeKind::Image(im) = &a[0].kind else { panic!("{:?}", a[0].kind) };