Draft metrics hinting support

examples/editor-test/src/main.rs

@@ -71,7 +71,7 @@ fn main() {
     ];
     let font_size_default = 1; // Body
 
-    let mut buffer = Buffer::new(&mut font_system, font_sizes[font_size_default]);
+    let mut buffer = Buffer::new(&mut font_system, font_sizes[font_size_default], false);
     buffer
         .borrow_with(&mut font_system)
         .set_size(Some(window.width() as f32), Some(window.height() as f32));

examples/editor/src/main.rs

@@ -45,6 +45,7 @@ fn main() {
         Buffer::new(
             &mut font_system,
             font_sizes[font_size_i].scale(display_scale),
+            false,
         ),
         &syntax_system,
         "base16-eighties.dark",

examples/multiview/src/main.rs

@@ -25,7 +25,7 @@ fn main() {
 
     let mut swash_cache = SwashCache::new();
 
-    let mut buffer = Buffer::new_empty(Metrics::new(14.0, 20.0));
+    let mut buffer = Buffer::new_empty(Metrics::new(14.0, 20.0), false);
 
     let mut buffer = buffer.borrow_with(&mut font_system);
 

examples/rich-text/src/main.rs

@@ -172,7 +172,7 @@ fn main() {
 
     let mut display_scale = window.scale_factor() as f32;
     let metrics = Metrics::new(32.0, 44.0);
-    let mut editor = Editor::new(Buffer::new_empty(metrics.scale(display_scale)));
+    let mut editor = Editor::new(Buffer::new_empty(metrics.scale(display_scale), false));
     let mut editor = editor.borrow_with(&mut font_system);
     editor.with_buffer_mut(|buffer| {
         buffer.set_size(

examples/terminal/src/main.rs

@@ -20,7 +20,7 @@ fn main() {
     let metrics = Metrics::new(FONT_SIZE, LINE_HEIGHT);
 
     // A Buffer provides shaping and layout for a UTF-8 string, create one per text widget
-    let mut buffer = Buffer::new(&mut font_system, metrics);
+    let mut buffer = Buffer::new(&mut font_system, metrics, false);
 
     let mut buffer = buffer.borrow_with(&mut font_system);