Introduce text::Shaping enum and replace magic boolean

tiny_skia/src/geometry.rs

@@ -114,7 +114,7 @@ impl Frame {
             font: text.font,
             horizontal_alignment: text.horizontal_alignment,
             vertical_alignment: text.vertical_alignment,
-            advanced_shape: text.advanced_shape,
+            shaping: text.shaping,
         });
     }