Test [font] 🧣

src/env.rs

@@ -60,7 +60,7 @@ impl ResourceLoader {
             }
         };
 
-        Some((id, self.get_loaded(id)))
+        Some((id, self.loaded(id)))
     }
 
     /// Retrieve a previously loaded resource by its id.
@@ -68,7 +68,7 @@ impl ResourceLoader {
     /// # Panics
     /// This panics if no resource with this id was loaded.
     #[track_caller]
-    pub fn get_loaded<R: 'static>(&self, id: ResourceId) -> &R {
+    pub fn loaded<R: 'static>(&self, id: ResourceId) -> &R {
         self.entries[id.0].downcast_ref().expect("bad resource type")
     }
 }

src/export/pdf.rs

@@ -51,7 +51,7 @@ impl<'a> PdfExporter<'a> {
                 match element {
                     LayoutElement::Text(shaped) => fonts.insert(shaped.face),
                     LayoutElement::Image(image) => {
-                        let img = env.resources.get_loaded::<ImageResource>(image.res);
+                        let img = env.resources.loaded::<ImageResource>(image.res);
                         if img.buf.color().has_alpha() {
                             alpha_masks += 1;
                         }
@@ -181,7 +181,7 @@ impl<'a> PdfExporter<'a> {
 
     fn write_fonts(&mut self) {
         for (refs, face_id) in self.refs.fonts().zip(self.fonts.layout_indices()) {
-            let owned_face = self.env.fonts.get_loaded(face_id);
+            let owned_face = self.env.fonts.face(face_id);
             let face = owned_face.get();
 
             let name = face
@@ -292,7 +292,7 @@ impl<'a> PdfExporter<'a> {
         let mut masks_seen = 0;
 
         for (id, resource) in self.refs.images().zip(self.images.layout_indices()) {
-            let img = self.env.resources.get_loaded::<ImageResource>(resource);
+            let img = self.env.resources.loaded::<ImageResource>(resource);
             let (width, height) = img.buf.dimensions();
 
             // Add the primary image.

src/library/layout.rs

@@ -21,10 +21,10 @@ use crate::prelude::*;
 pub fn align(mut args: Args, ctx: &mut EvalContext) -> Value {
     let snapshot = ctx.state.clone();
     let body = args.find::<SynTree>();
-    let first = args.get::<_, Spanned<AlignArg>>(ctx, 0);
-    let second = args.get::<_, Spanned<AlignArg>>(ctx, 1);
-    let hor = args.get::<_, Spanned<AlignArg>>(ctx, "horizontal");
-    let ver = args.get::<_, Spanned<AlignArg>>(ctx, "vertical");
+    let first = args.get::<_, Spanned<SpecAlign>>(ctx, 0);
+    let second = args.get::<_, Spanned<SpecAlign>>(ctx, 1);
+    let hor = args.get::<_, Spanned<SpecAlign>>(ctx, "horizontal");
+    let ver = args.get::<_, Spanned<SpecAlign>>(ctx, "vertical");
     args.done(ctx);
 
     let prev_main = ctx.state.align.main;
@@ -58,7 +58,7 @@ pub fn align(mut args: Args, ctx: &mut EvalContext) -> Value {
         } else {
             // We don't know the axis: This has to be a `center` alignment for a
             // positional argument.
-            debug_assert_eq!(arg, AlignArg::Center);
+            debug_assert_eq!(arg, SpecAlign::Center);
 
             if had.main && had.cross {
                 ctx.diag(error!(span, "duplicate alignment"));
@@ -108,7 +108,7 @@ pub fn align(mut args: Args, ctx: &mut EvalContext) -> Value {
 
 /// An argument to `[align]`.
 #[derive(Debug, Copy, Clone, Eq, PartialEq, Ord, PartialOrd)]
-enum AlignArg {
+enum SpecAlign {
     Left,
     Right,
     Top,
@@ -116,7 +116,7 @@ enum AlignArg {
     Center,
 }
 
-convert_ident!(AlignArg, "alignment", |v| match v {
+convert_ident!(SpecAlign, "alignment", |v| match v {
     "left" => Some(Self::Left),
     "right" => Some(Self::Right),
     "top" => Some(Self::Top),
@@ -125,7 +125,7 @@ convert_ident!(AlignArg, "alignment", |v| match v {
     _ => None,
 });
 
-impl AlignArg {
+impl SpecAlign {
     /// The specific axis this alignment refers to.
     ///
     /// Returns `None` if this is `Center` since the axis is unknown.
@@ -140,7 +140,7 @@ impl AlignArg {
     }
 }
 
-impl Switch for AlignArg {
+impl Switch for SpecAlign {
     type Other = Align;
 
     fn switch(self, flow: Flow) -> Self::Other {
@@ -163,7 +163,7 @@ impl Switch for AlignArg {
     }
 }
 
-impl Display for AlignArg {
+impl Display for SpecAlign {
     fn fmt(&self, f: &mut Formatter) -> fmt::Result {
         f.pad(match self {
             Self::Left => "left",

src/library/style.rs

@@ -71,13 +71,6 @@ pub fn font(mut args: Args, ctx: &mut EvalContext) -> Value {
         }
     }
 
-    let mut needs_flattening = false;
-    let list: Vec<_> = args.find_all::<StringLike>().map(|s| s.to_lowercase()).collect();
-    if !list.is_empty() {
-        Rc::make_mut(&mut ctx.state.font.families).list = list;
-        needs_flattening = true;
-    }
-
     if let Some(style) = args.get::<_, FontStyle>(ctx, "style") {
         ctx.state.font.variant.style = style;
     }
@@ -90,6 +83,13 @@ pub fn font(mut args: Args, ctx: &mut EvalContext) -> Value {
         ctx.state.font.variant.stretch = stretch;
     }
 
+    let mut needs_flattening = false;
+    let list: Vec<_> = args.find_all::<StringLike>().map(|s| s.to_lowercase()).collect();
+    if !list.is_empty() {
+        Rc::make_mut(&mut ctx.state.font.families).list = list;
+        needs_flattening = true;
+    }
+
     for (class, dict) in args.find_all_str::<Spanned<ValueDict>>() {
         let fallback = Args(dict)
             .find_all::<StringLike>()
@@ -100,12 +100,12 @@ pub fn font(mut args: Args, ctx: &mut EvalContext) -> Value {
         needs_flattening = true;
     }
 
-    args.done(ctx);
-
     if needs_flattening {
         Rc::make_mut(&mut ctx.state.font.families).flatten();
     }
 
+    args.done(ctx);
+
     if let Some(body) = body {
         body.eval(ctx);
         ctx.state = snapshot;

src/shaping.rs

@@ -82,8 +82,8 @@ pub fn shape(
 
     for c in chars {
         let query = FaceQuery { fallback: fallback.iter(), variant, c };
-        if let Some((id, owned_face)) = loader.query(query) {
-            let face = owned_face.get();
+        if let Some(id) = loader.query(query) {
+            let face = loader.face(id).get();
             let (glyph, width) = match lookup_glyph(face, c, font_size) {
                 Some(v) => v,
                 None => continue,

tests/typ/func-font-fallback.typ

@@ -0,0 +1,18 @@
+// Test font fallback.
+
+// Source Sans Pro + Segoe UI Emoji.
+Emoji: 🏀
+
+// CMU Serif + Noto Emoji.
+[font: "CMU Serif", "Noto Emoji"][Emoji: 🏀]
+
+// Class definitions.
+[font: math=("CMU Serif", "Latin Modern Math", "Noto Emoji")]
+[font: math][Math: ∫ α + β ➗ 3]
+
+// Class redefinition.
+[font: sans-serif=("Noto Emoji",)]
+[font: sans-serif=("Archivo", sans-serif)]
+New sans-serif. 🚀
+
+// TODO: Add tests for other scripts.

tests/typ/func-font-properties.typ

@@ -0,0 +1,20 @@
+// Test configuring font properties.
+
+[font: "PT Sans", 10pt]
+
+// Set same font size in three different ways.
+[font: 20pt][A]
+[font: 200%][A]
+[font: 15pt + 50%][A]
+
+// Do nothing.
+[font][Normal]
+
+// Set style (is available).
+[font: style=italic][Italic]
+
+// Set weight (is available).
+[font: weight=bold][Bold]
+
+// Set stretch (not available, matching closest).
+[font: stretch=ultra-condensed][Condensed]

tests/typeset.rs

@@ -278,7 +278,7 @@ fn draw(layouts: &[BoxLayout], env: &Env, pixel_per_pt: f32) -> Canvas {
 }
 
 fn draw_text(canvas: &mut Canvas, pos: Point, env: &Env, shaped: &Shaped) {
-    let face = env.fonts.get_loaded(shaped.face).get();
+    let face = env.fonts.face(shaped.face).get();
 
     for (&glyph, &offset) in shaped.glyphs.iter().zip(&shaped.offsets) {
         let units_per_em = face.units_per_em().unwrap_or(1000);
@@ -304,7 +304,7 @@ fn draw_text(canvas: &mut Canvas, pos: Point, env: &Env, shaped: &Shaped) {
 }
 
 fn draw_image(canvas: &mut Canvas, pos: Point, env: &Env, img: &ImageElement) {
-    let buf = &env.resources.get_loaded::<ImageResource>(img.res).buf;
+    let buf = &env.resources.loaded::<ImageResource>(img.res).buf;
 
     let mut pixmap = Pixmap::new(buf.width(), buf.height()).unwrap();
     for ((_, _, src), dest) in buf.pixels().zip(pixmap.pixels_mut()) {