From 989d170dc7318ca3cbaa5b76760eb14f4e6a8605 Mon Sep 17 00:00:00 2001
From: Laurenz <laurmaedje@gmail.com>
Date: Mon, 28 Nov 2022 12:40:16 +0100
Subject: Fragments

---
 src/export/pdf/mod.rs     |  2 +-
 src/export/pdf/outline.rs | 33 ++++++++++++---------------------
 src/export/pdf/page.rs    | 23 ++---------------------
 3 files changed, 15 insertions(+), 43 deletions(-)

(limited to 'src/export')

diff --git a/src/export/pdf/mod.rs b/src/export/pdf/mod.rs
index 7e5a3c06..8f9d9637 100644
--- a/src/export/pdf/mod.rs
+++ b/src/export/pdf/mod.rs
@@ -12,7 +12,7 @@ use std::hash::Hash;
 use pdf_writer::types::Direction;
 use pdf_writer::{Finish, Name, PdfWriter, Ref, TextStr};
 
-use self::outline::{Heading, HeadingNode};
+use self::outline::HeadingNode;
 use self::page::Page;
 use crate::doc::{Document, Lang, Metadata};
 use crate::font::Font;
diff --git a/src/export/pdf/outline.rs b/src/export/pdf/outline.rs
index add167b4..e7a356c1 100644
--- a/src/export/pdf/outline.rs
+++ b/src/export/pdf/outline.rs
@@ -4,43 +4,34 @@ use super::{AbsExt, PdfContext, RefExt};
 use crate::geom::{Abs, Point};
 use crate::util::EcoString;
 
-/// A heading that can later be linked in the outline panel.
+/// A heading in the outline panel.
 #[derive(Debug, Clone)]
-pub struct Heading {
+pub struct HeadingNode {
     pub content: EcoString,
     pub level: usize,
     pub position: Point,
     pub page: Ref,
-}
-
-/// A node in the outline tree.
-#[derive(Debug, Clone)]
-pub struct HeadingNode {
-    pub heading: Heading,
     pub children: Vec<HeadingNode>,
 }
 
 impl HeadingNode {
-    pub fn leaf(heading: Heading) -> Self {
-        HeadingNode { heading, children: Vec::new() }
-    }
-
     pub fn len(&self) -> usize {
         1 + self.children.iter().map(Self::len).sum::<usize>()
     }
 
-    pub fn insert(&mut self, other: Heading, level: usize) -> bool {
-        if level >= other.level {
+    #[allow(unused)]
+    pub fn try_insert(&mut self, child: Self, level: usize) -> bool {
+        if level >= child.level {
             return false;
         }
 
-        if let Some(child) = self.children.last_mut() {
-            if child.insert(other.clone(), level + 1) {
+        if let Some(last) = self.children.last_mut() {
+            if last.try_insert(child.clone(), level + 1) {
                 return true;
             }
         }
 
-        self.children.push(Self::leaf(other));
+        self.children.push(child);
         true
     }
 }
@@ -74,10 +65,10 @@ pub fn write_outline_item(
         outline.count(-(node.children.len() as i32));
     }
 
-    outline.title(TextStr(&node.heading.content));
-    outline.dest_direct().page(node.heading.page).xyz(
-        node.heading.position.x.to_f32(),
-        (node.heading.position.y + Abs::pt(3.0)).to_f32(),
+    outline.title(TextStr(&node.content));
+    outline.dest_direct().page(node.page).xyz(
+        node.position.x.to_f32(),
+        (node.position.y + Abs::pt(3.0)).to_f32(),
         None,
     );
 
diff --git a/src/export/pdf/page.rs b/src/export/pdf/page.rs
index 7c479425..fc714e7a 100644
--- a/src/export/pdf/page.rs
+++ b/src/export/pdf/page.rs
@@ -2,10 +2,8 @@ use pdf_writer::types::{ActionType, AnnotationType, ColorSpaceOperand};
 use pdf_writer::writers::ColorSpace;
 use pdf_writer::{Content, Filter, Finish, Name, Rect, Ref, Str};
 
-use super::{
-    deflate, AbsExt, EmExt, Heading, HeadingNode, PdfContext, RefExt, D65_GRAY, SRGB,
-};
-use crate::doc::{Destination, Element, Frame, Group, Role, Text};
+use super::{deflate, AbsExt, EmExt, PdfContext, RefExt, D65_GRAY, SRGB};
+use crate::doc::{Destination, Element, Frame, Group, Text};
 use crate::font::Font;
 use crate::geom::{
     self, Abs, Color, Em, Geometry, Numeric, Paint, Point, Ratio, Shape, Size, Stroke,
@@ -281,23 +279,6 @@ impl PageContext<'_, '_> {
 
 /// Encode a frame into the content stream.
 fn write_frame(ctx: &mut PageContext, frame: &Frame) {
-    if let Some(Role::Heading { level, outlined: true }) = frame.role() {
-        let heading = Heading {
-            position: Point::new(ctx.state.transform.tx, ctx.state.transform.ty),
-            content: frame.text(),
-            page: ctx.page_ref,
-            level: level.get(),
-        };
-
-        if let Some(last) = ctx.parent.heading_tree.last_mut() {
-            if !last.insert(heading.clone(), 1) {
-                ctx.parent.heading_tree.push(HeadingNode::leaf(heading))
-            }
-        } else {
-            ctx.parent.heading_tree.push(HeadingNode::leaf(heading))
-        }
-    }
-
     for &(pos, ref element) in frame.elements() {
         let x = pos.x.to_f32();
         let y = pos.y.to_f32();
-- 
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