Add AttributeDefinition host model support

src/io/mod.rs

@@ -2174,21 +2174,16 @@ fn fix_viewport_status_flags(doc: &mut CadDocument) {
     }
 }
 
-/// The acadrust DXF reader stores several rotation fields directly from DXF
-/// group code 50 in degrees, while DWG and our own creation code store radians.
-/// Apply to_radians() on load so tessellation can call cos/sin uniformly.
+/// The acadrust DXF reader still stores Shape rotation directly from group code
+/// 50 in degrees, while DWG and our own creation code store radians. Attribute
+/// entities and definitions are converted by the reader itself and must not be
+/// converted a second time here.
 fn fix_dxf_dimension_rotations(doc: &mut CadDocument) {
     for entity in doc.entities_mut() {
         match entity {
             // Dimension angles (rotation / text / oblique) are converted
             // degrees->radians inside the acadrust DXF reader now, so a
             // dimension arm here would double-convert.
-            EntityType::AttributeDefinition(a) => {
-                a.rotation = a.rotation.to_radians();
-            }
-            EntityType::AttributeEntity(a) => {
-                a.rotation = a.rotation.to_radians();
-            }
             EntityType::Shape(s) => {
                 s.rotation = s.rotation.to_radians();
             }