text: Use layout_to_local_matrix when calculating line metrics

This makes sure that the device-text specific transforms are applied.

Author: kjarosh

core/src/display_object/edit_text.rs

@@ -2272,13 +2272,15 @@ impl<'gc> EditText<'gc> {
         let line = layout.lines().get(line)?;
         let bounds = line.bounds();
 
+        // TODO What about internal bounds?
+        let bounds = self.layout_to_local_matrix() * bounds;
         Some(LayoutMetrics {
             ascent: line.ascent(),
             descent: line.descent(),
             leading: line.leading(),
             width: bounds.width(),
             height: bounds.height() + line.leading(),
-            x: bounds.offset_x() + Self::GUTTER,
+            x: bounds.offset_x(),
         })
     }
 

core/src/html/dimensions.rs

@@ -231,6 +231,16 @@ where
     }
 }
 
+impl std::ops::Mul<BoxBounds<Twips>> for ruffle_render::matrix::Matrix {
+    type Output = BoxBounds<Twips>;
+
+    fn mul(self, bounds: BoxBounds<Twips>) -> BoxBounds<Twips> {
+        // BoxBounds have the same semantics as Rectangle when applying a matrix
+        let bounds: Rectangle<Twips> = bounds.into();
+        (self * bounds).into()
+    }
+}
+
 impl<T> BoxBounds<T>
 where
     T: Add<T, Output = T> + Sub<T, Output = T> + Copy,