Remove delimiter_alignment

crates/typst-layout/src/math/mat.rs

@@ -9,8 +9,8 @@ use typst_library::visualize::{FillRule, FixedStroke, Geometry, LineCap, Shape};
 use typst_syntax::Span;
 
 use super::{
-    alignments, delimiter_alignment, style_for_denominator, AlignmentResult,
-    FrameFragment, GlyphFragment, LeftRightAlternator, MathContext, DELIM_SHORT_FALL,
+    alignments, style_for_denominator, AlignmentResult, FrameFragment, GlyphFragment,
+    LeftRightAlternator, MathContext, DELIM_SHORT_FALL,
 };
 
 const VERTICAL_PADDING: Ratio = Ratio::new(0.1);
@@ -315,7 +315,7 @@ fn layout_delimiters(
     if let Some(left_c) = left {
         let mut left = GlyphFragment::new(ctx.font, styles, left_c, span);
         left.stretch_vertical(ctx, target - short_fall);
-        left.align_on_axis(delimiter_alignment(left_c));
+        left.center_on_axis();
         ctx.push(left);
     }
 
@@ -324,7 +324,7 @@ fn layout_delimiters(
     if let Some(right_c) = right {
         let mut right = GlyphFragment::new(ctx.font, styles, right_c, span);
         right.stretch_vertical(ctx, target - short_fall);
-        right.align_on_axis(delimiter_alignment(right_c));
+        right.center_on_axis();
         ctx.push(right);
     }
 

crates/typst-layout/src/math/shared.rs

@@ -1,7 +1,7 @@
 use ttf_parser::math::MathValue;
 use ttf_parser::Tag;
 use typst_library::foundations::{Style, StyleChain};
-use typst_library::layout::{Abs, Em, FixedAlignment, Frame, Point, Size, VAlignment};
+use typst_library::layout::{Abs, Em, FixedAlignment, Frame, Point, Size};
 use typst_library::math::{EquationElem, MathSize};
 use typst_library::text::{FontFeatures, TextElem};
 use typst_utils::LazyHash;
@@ -107,15 +107,6 @@ pub fn style_for_script_scale(ctx: &MathContext) -> LazyHash<Style> {
     .wrap()
 }
 
-/// How a delimieter should be aligned when scaling.
-pub fn delimiter_alignment(delimiter: char) -> VAlignment {
-    match delimiter {
-        '⌜' | '⌝' => VAlignment::Top,
-        '⌞' | '⌟' => VAlignment::Bottom,
-        _ => VAlignment::Horizon,
-    }
-}
-
 /// Stack rows on top of each other.
 ///
 /// Add a `gap` between each row and uses the baseline of the `baseline`-th

crates/typst-layout/src/math/stretch.rs

@@ -65,7 +65,6 @@ pub fn stretch_fragment(
     glyph.stretch(ctx, stretch.relative_to(relative_to_size) - short_fall, stretch_axis);
 
     if stretch_axis == Axis::Y {
-        // TODO: this should use delimiter_alignment
         glyph.center_on_axis();
     }
 }