Make `FontSystem` global and simplify `Paragraph` API

2 files changed, 11 insertions, 15 deletions

diff --git a/tiny_skia/src/backend.rs b/tiny_skia/src/backend.rs
index c721d96e..72184c8a 100644
--- a/tiny_skia/src/backend.rs
+++ b/tiny_skia/src/backend.rs
@@ -1,6 +1,5 @@
 use crate::core::{Background, Color, Gradient, Rectangle, Vector};
 use crate::graphics::backend;
-use crate::graphics::text;
 use crate::graphics::{Damage, Viewport};
 use crate::primitive::{self, Primitive};
 
@@ -805,10 +804,6 @@ impl iced_graphics::Backend for Backend {
 }
 
 impl backend::Text for Backend {
-    fn font_system(&self) -> &text::FontSystem {
-        self.text_pipeline.font_system()
-    }
-
     fn load_font(&mut self, font: Cow<'static, [u8]>) {
         self.text_pipeline.load_font(font);
     }
diff --git a/tiny_skia/src/text.rs b/tiny_skia/src/text.rs
index cb3ef54c..4f6e3941 100644
--- a/tiny_skia/src/text.rs
+++ b/tiny_skia/src/text.rs
@@ -2,8 +2,8 @@ use crate::core::alignment;
 use crate::core::text::{LineHeight, Shaping};
 use crate::core::{Color, Font, Pixels, Point, Rectangle};
 use crate::graphics::text::cache::{self, Cache};
+use crate::graphics::text::font_system;
 use crate::graphics::text::paragraph;
-use crate::graphics::text::FontSystem;
 
 use rustc_hash::{FxHashMap, FxHashSet};
 use std::borrow::Cow;
@@ -12,7 +12,6 @@ use std::collections::hash_map;
 
 #[allow(missing_debug_implementations)]
 pub struct Pipeline {
-    font_system: FontSystem,
     glyph_cache: GlyphCache,
     cache: RefCell<Cache>,
 }
@@ -20,18 +19,16 @@ pub struct Pipeline {
 impl Pipeline {
     pub fn new() -> Self {
         Pipeline {
-            font_system: FontSystem::new(),
             glyph_cache: GlyphCache::new(),
             cache: RefCell::new(Cache::new()),
         }
     }
 
-    pub fn font_system(&self) -> &FontSystem {
-        &self.font_system
-    }
-
     pub fn load_font(&mut self, bytes: Cow<'static, [u8]>) {
-        self.font_system.load_font(bytes);
+        font_system()
+            .write()
+            .expect("Write font system")
+            .load_font(bytes);
 
         self.cache = RefCell::new(Cache::new());
     }
@@ -51,8 +48,10 @@ impl Pipeline {
             return;
         };
 
+        let mut font_system = font_system().write().expect("Write font system");
+
         draw(
-            self.font_system.get_mut(),
+            font_system.raw(),
             &mut self.glyph_cache,
             paragraph.buffer(),
             Rectangle::new(position, paragraph.min_bounds()),
@@ -82,7 +81,9 @@ impl Pipeline {
     ) {
         let line_height = f32::from(line_height.to_absolute(size));
 
-        let font_system = self.font_system.get_mut();
+        let mut font_system = font_system().write().expect("Write font system");
+        let font_system = font_system.raw();
+
         let key = cache::Key {
             bounds: bounds.size(),
             content,