1 files changed, 3 insertions, 26 deletions
diff --git a/src/export/pdf/mod.rs b/src/export/pdf/mod.rs
index bdbb2bb7..8fc76471 100644
--- a/src/export/pdf/mod.rs
+++ b/src/export/pdf/mod.rs
@@ -13,7 +13,6 @@ use pdf_writer::types::Direction;
 use pdf_writer::{Finish, Name, PdfWriter, Ref, TextStr};
 use xmp_writer::{LangId, RenditionClass, XmpWriter};
 
-use self::outline::HeadingNode;
 use self::page::Page;
 use crate::doc::{Document, Lang};
 use crate::font::Font;
@@ -54,7 +53,6 @@ pub struct PdfContext<'a> {
     image_map: Remapper<Image>,
     glyph_sets: HashMap<Font, HashSet<u16>>,
     languages: HashMap<Lang, usize>,
-    heading_tree: Vec<HeadingNode>,
 }
 
 impl<'a> PdfContext<'a> {
@@ -76,36 +74,12 @@ impl<'a> PdfContext<'a> {
             image_map: Remapper::new(),
             glyph_sets: HashMap::new(),
             languages: HashMap::new(),
-            heading_tree: vec![],
         }
     }
 }
 
 /// Write the document catalog.
 fn write_catalog(ctx: &mut PdfContext) {
-    // Build the outline tree.
-    let outline_root_id = (!ctx.heading_tree.is_empty()).then(|| ctx.alloc.bump());
-    let outline_start_ref = ctx.alloc;
-    let len = ctx.heading_tree.len();
-    let mut prev_ref = None;
-
-    for (i, node) in std::mem::take(&mut ctx.heading_tree).iter().enumerate() {
-        prev_ref = Some(outline::write_outline_item(
-            ctx,
-            node,
-            outline_root_id.unwrap(),
-            prev_ref,
-            i + 1 == len,
-        ));
-    }
-
-    if let Some(outline_root_id) = outline_root_id {
-        let mut outline_root = ctx.writer.outline(outline_root_id);
-        outline_root.first(outline_start_ref);
-        outline_root.last(Ref::new(ctx.alloc.get() - 1));
-        outline_root.count(ctx.heading_tree.len() as i32);
-    }
-
     let lang = ctx
         .languages
         .iter()
@@ -118,6 +92,9 @@ fn write_catalog(ctx: &mut PdfContext) {
         Direction::L2R
     };
 
+    // Write the outline tree.
+    let outline_root_id = outline::write_outline(ctx);
+
     // Write the document information.
     let mut info = ctx.writer.document_info(ctx.alloc.bump());
     let mut xmp = XmpWriter::new();