From e429a025df36ab8145708acb309080ae3deec17a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?H=C3=A9ctor=20Ram=C3=B3n=20Jim=C3=A9nez?= <hector@hecrj.dev>
Date: Thu, 23 Apr 2026 19:43:09 +0900
Subject: [PATCH] Update `cosmic-text` to `0.19`

---
 Cargo.toml              |  2 +-
 benches/prepare.rs      |  6 +++---
 examples/hello-world.rs | 10 +++-------
 src/lib.rs              |  3 +--
 src/text_render.rs      |  3 +--
 5 files changed, 9 insertions(+), 15 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 97f8d71..1fa37fb 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,7 +10,7 @@ license = "MIT OR Apache-2.0 OR Zlib"
 [dependencies]
 wgpu = { version = "28", default-features = false, features = ["wgsl"] }
 etagere = "0.2"
-cosmic-text = "0.18"
+cosmic-text = "0.19"
 lru = { version = "0.16", default-features = false }
 rustc-hash = "2"
 
diff --git a/benches/prepare.rs b/benches/prepare.rs
index e6d800b..c214d93 100644
--- a/benches/prepare.rs
+++ b/benches/prepare.rs
@@ -73,8 +73,8 @@ fn run_bench(ctx: &mut Criterion) {
             .copied()
             .map(|s| {
                 let mut text_buffer = Buffer::new(&mut font_system, Metrics::relative(1.0, 10.0));
-                text_buffer.set_size(&mut font_system, Some(20.0), None);
-                text_buffer.set_text(&mut font_system, s, &attrs, shaping, None);
+                text_buffer.set_size(Some(20.0), None);
+                text_buffer.set_text(s, &attrs, shaping, None);
                 text_buffer.shape_until_scroll(&mut font_system, false);
                 text_buffer
             })
@@ -85,7 +85,7 @@ fn run_bench(ctx: &mut Criterion) {
                 let text_areas: Vec<TextArea> = buffers
                     .iter()
                     .map(|b| TextArea {
-                        buffer: b,
+                        text: b.layout_runs(),
                         left: 0.0,
                         top: 0.0,
                         scale: 1.0,
diff --git a/examples/hello-world.rs b/examples/hello-world.rs
index 06106d6..fa2dc69 100644
--- a/examples/hello-world.rs
+++ b/examples/hello-world.rs
@@ -82,12 +82,8 @@ impl WindowState {
         let physical_width = (physical_size.width as f64 * scale_factor) as f32;
         let physical_height = (physical_size.height as f64 * scale_factor) as f32;
 
-        text_buffer.set_size(
-            &mut font_system,
-            Some(physical_width),
-            Some(physical_height),
-        );
-        text_buffer.set_text(&mut font_system, "Hello world! 👋\nThis is rendered with 🦅 glyphon 🦁\nThe text below should be partially clipped.\na b c d e f g h i j k l m n o p q r s t u v w x y z", &Attrs::new().family(Family::SansSerif), Shaping::Advanced, None);
+        text_buffer.set_size(Some(physical_width), Some(physical_height));
+        text_buffer.set_text("Hello world! 👋\nThis is rendered with 🦅 glyphon 🦁\nThe text below should be partially clipped.\na b c d e f g h i j k l m n o p q r s t u v w x y z", &Attrs::new().family(Family::SansSerif), Shaping::Advanced, None);
         text_buffer.shape_until_scroll(&mut font_system, false);
 
         Self {
@@ -179,7 +175,7 @@ impl winit::application::ApplicationHandler for Application {
                         atlas,
                         viewport,
                         [TextArea {
-                            buffer: text_buffer,
+                            text: text_buffer.layout_runs(),
                             left: 10.0,
                             top: 10.0,
                             scale: 1.0,
diff --git a/src/lib.rs b/src/lib.rs
index 9360b30..84325f4 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -102,10 +102,9 @@ impl Default for TextBounds {
 }
 
 /// A text area containing text to be rendered along with its overflow behavior.
-#[derive(Clone)]
 pub struct TextArea<'a> {
     /// The buffer containing the text to be rendered.
-    pub buffer: &'a Buffer,
+    pub text: LayoutRunIter<'a>,
     /// The left edge of the buffer.
     pub left: f32,
     /// The top edge of the buffer.
diff --git a/src/text_render.rs b/src/text_render.rs
index 431a954..40e8b68 100644
--- a/src/text_render.rs
+++ b/src/text_render.rs
@@ -81,8 +81,7 @@ impl TextRenderer {
             };
 
             let layout_runs = text_area
-                .buffer
-                .layout_runs()
+                .text
                 .skip_while(|run| !is_run_visible(run))
                 .take_while(is_run_visible);