Allow custom renderers in Program and Application

tiny_skia/src/settings.rs

@@ -1,4 +1,5 @@
 use crate::core::{Font, Pixels};
+use crate::graphics;
 
 /// The settings of a [`Backend`].
 ///
@@ -22,3 +23,12 @@ impl Default for Settings {
         }
     }
 }
+
+impl From<graphics::Settings> for Settings {
+    fn from(settings: graphics::Settings) -> Self {
+        Self {
+            default_font: settings.default_font,
+            default_text_size: settings.default_text_size,
+        }
+    }
+}