Bug fix: multiline text layout does not work

Author: 38

Cargo.toml

@@ -70,6 +70,7 @@ rand_distr = "0.2.2"
 criterion = "0.3.0"
 rayon = "1.2.0"
 rand_xorshift = "0.2.0"
+cpuprofiler = "*"
 
 [target.'cfg(target_arch = "wasm32")'.dev-dependencies]
 wasm-bindgen-test = "0.3.4"
@@ -78,3 +79,6 @@ wasm-bindgen-test = "0.3.4"
 name = "benchmark"
 harness = false
 path = "benches/main.rs"
+
+[profile.bench]
+debug = true

benches/benches/rasterizer.rs

@@ -72,7 +72,7 @@ fn draw_line(c: &mut Criterion) {
 }
 
 fn fill_background(c: &mut Criterion) {
-    let mut group = c.benchmark_group("rasterizer::draw_background");
+    let mut group = c.benchmark_group("rasterizer::fill_background");
 
     group.bench_function("rgb", |b| {
         let mut buffer = vec![0; (W * H * 3) as usize];

src/element/text.rs

@@ -128,14 +128,11 @@ fn layout_multiline_text<'a, F: FnMut(&'a str)>(
         } else {
             let mut remaining = &line[0..];
 
-            while remaining.is_empty() {
-                let mut width = 0;
+            while !remaining.is_empty() {
                 let mut left = 0;
                 while left < remaining.len() {
-                    let char_width =
-                        font.box_size(&remaining[left..=left]).unwrap_or((0, 0)).0 as i32;
-
-                    width += char_width;
+                    let width =
+                        font.box_size(&remaining[0..=left]).unwrap_or((0, 0)).0 as i32;
 
                     if width > max_width as i32 {
                         break;