Unbounded pages 🌌

3 files changed, 10 insertions, 4 deletions

diff --git a/src/eval/context.rs b/src/eval/context.rs
index 64a8fbbe..1e09aaaf 100644
--- a/src/eval/context.rs
+++ b/src/eval/context.rs
@@ -95,6 +95,7 @@ impl EvalContext {
     pub fn start_page_group(&mut self, softness: Softness) {
         self.start_group(PageGroup {
             size: self.state.page.size,
+            expand: self.state.page.expand,
             padding: self.state.page.margins(),
             dirs: self.state.dirs,
             align: self.state.align,
@@ -124,7 +125,7 @@ impl EvalContext {
                     child: NodeStack {
                         dirs: group.dirs,
                         align: group.align,
-                        expansion: Gen::uniform(Expansion::Fill),
+                        expand: group.expand,
                         children,
                     }
                     .into(),
@@ -281,6 +282,7 @@ pub enum Softness {
 #[derive(Debug)]
 struct PageGroup {
     size: Size,
+    expand: Spec<Expansion>,
     padding: Sides<Linear>,
     dirs: LayoutDirs,
     align: ChildAlign,
diff --git a/src/eval/mod.rs b/src/eval/mod.rs
index 0e6fa79f..9abc1074 100644
--- a/src/eval/mod.rs
+++ b/src/eval/mod.rs
@@ -19,7 +19,7 @@ use std::rc::Rc;
 use crate::color::Color;
 use crate::diag::Pass;
 use crate::env::SharedEnv;
-use crate::geom::{Angle, Gen, Length, Relative};
+use crate::geom::{Angle, Length, Relative, Spec};
 use crate::layout::{self, Expansion, NodeSpacing, NodeStack};
 use crate::syntax::*;
 
@@ -137,7 +137,7 @@ impl Eval for Spanned<&NodeRaw> {
         ctx.push(NodeStack {
             dirs: ctx.state.dirs,
             align: ctx.state.align,
-            expansion: Gen::uniform(Expansion::Fit),
+            expand: Spec::uniform(Expansion::Fit),
             children,
         });
 
diff --git a/src/eval/state.rs b/src/eval/state.rs
index 2a8ee2f0..ce6bd009 100644
--- a/src/eval/state.rs
+++ b/src/eval/state.rs
@@ -4,8 +4,9 @@ use fontdock::{fallback, FallbackTree, FontStretch, FontStyle, FontVariant, Font
 
 use super::Scope;
 use crate::geom::{
-    Align, ChildAlign, Dir, LayoutDirs, Length, Linear, Relative, Sides, Size,
+    Align, ChildAlign, Dir, LayoutDirs, Length, Linear, Relative, Sides, Size, Spec,
 };
+use crate::layout::Expansion;
 use crate::paper::{Paper, PaperClass, PAPER_A4};
 
 /// The evaluation state.
@@ -45,6 +46,8 @@ pub struct StatePage {
     pub class: PaperClass,
     /// The width and height of the page.
     pub size: Size,
+    /// Whether the expand the pages to the `size` or to fit the content.
+    pub expand: Spec<Expansion>,
     /// The amount of white space in the order [left, top, right, bottom]. If a
     /// side is set to `None`, the default for the paper class is used.
     pub margins: Sides<Option<Linear>>,
@@ -56,6 +59,7 @@ impl StatePage {
         Self {
             class: paper.class,
             size: paper.size(),
+            expand: Spec::uniform(Expansion::Fill),
             margins: Sides::uniform(None),
         }
     }