FontSmoothing fixes

crates/bevy_text/src/lib.rs

@@ -60,9 +60,9 @@ pub use text_access::*;
 pub mod prelude {
     #[doc(hidden)]
     pub use crate::{
-        Font, FontHinting, FontSource, FontStyle, FontWeight, FontWidth, Justify, LineBreak,
-        Strikethrough, StrikethroughColor, TextColor, TextError, TextFont, TextLayout, TextSpan,
-        Underline, UnderlineColor,
+        Font, FontHinting, FontSmoothing, FontSource, FontStyle, FontWeight, FontWidth, Justify,
+        LineBreak, Strikethrough, StrikethroughColor, TextColor, TextError, TextFont, TextLayout,
+        TextSpan, Underline, UnderlineColor,
     };
 }
 

crates/bevy_text/src/pipeline.rs

@@ -119,7 +119,11 @@ impl TextPipeline {
                 text_spans.enumerate()
             {
                 // Save this span entity in the computed text block.
-                computed.entities.push(TextEntity { entity, depth });
+                computed.entities.push(TextEntity {
+                    entity,
+                    depth,
+                    font_smoothing: text_font.font_smoothing,
+                });
 
                 if span.is_empty() {
                     continue;
@@ -346,8 +350,7 @@ impl TextPipeline {
 
                 let mut temp_glyph;
                 let span_index = layout_glyph.metadata;
-                let font_smoothing = FontSmoothing::AntiAliased;
-
+                let font_smoothing = computed.entities[span_index].font_smoothing;
                 let layout_glyph = if font_smoothing == FontSmoothing::None {
                     // If font smoothing is disabled, round the glyph positions and sizes,
                     // effectively discarding all subpixel layout.

crates/bevy_text/src/text.rs

@@ -33,6 +33,8 @@ pub struct TextEntity {
     pub entity: Entity,
     /// Records the hierarchy depth of the entity within a `TextLayout`.
     pub depth: usize,
+    /// Antialiasing method to use when rendering the text.
+    pub font_smoothing: FontSmoothing,
 }
 
 /// Computed information for a text block.

examples/testbed/ui.rs

@@ -149,7 +149,7 @@ mod image {
 }
 
 mod text {
-    use bevy::{color::palettes::css::*, prelude::*};
+    use bevy::{color::palettes::css::*, prelude::*, text::FontSmoothing};
 
     pub fn setup(mut commands: Commands, asset_server: Res<AssetServer>) {
         commands.spawn((Camera2d, DespawnOnExit(super::Scene::Text)));
@@ -607,6 +607,25 @@ mod text {
                 ),
             ],
         ));
+
+        for font_smoothing in [FontSmoothing::AntiAliased, FontSmoothing::None] {
+            top += 35.;
+            commands.spawn((
+                Node {
+                    left: px(100.),
+                    top: px(top),
+                    ..Default::default()
+                },
+                Text::new(format!("FontSmoothing::{:?}", font_smoothing)),
+                TextFont {
+                    font: asset_server.load("fonts/MonaSans-VariableFont.ttf").into(),
+                    font_size: 25.,
+                    font_smoothing,
+                    ..default()
+                },
+                DespawnOnExit(super::Scene::Text),
+            ));
+        }
     }
 }