Add support for embedding bitmap fonts in C++

api/cpp/cbindgen.rs

@@ -155,6 +155,7 @@ fn gen_corelib(
         "PointerEvent",
         "Rect",
         "SortOrder",
+        "BitmapFont",
     ]
     .iter()
     .chain(items.iter())

api/cpp/include/slint.h

@@ -261,6 +261,12 @@ public:
         }
     }
 
+    /// Registers a bitmap font for use with the software renderer.
+    inline void register_bitmap_font(const cbindgen_private::BitmapFont &font)
+    {
+        cbindgen_private::slint_register_bitmap_font(&inner, &font);
+    }
+
     /// \private
     const cbindgen_private::WindowAdapterRcOpaque &handle() const { return inner; }
 
@@ -715,12 +721,18 @@ public:
 
     /// \private
     /// Internal function called by the view to register itself
-    void attach_peer(private_api::ModelPeer p) { peers.push_back(std::move(p)); }
+    void attach_peer(private_api::ModelPeer p)
+    {
+        peers.push_back(std::move(p));
+    }
 
     /// \private
     /// Internal function called from within bindings to register with the currently
     /// evaluating dependency and get notified when this model's row count changes.
-    void track_row_count_changes() const { model_row_count_dirty_property.get(); }
+    void track_row_count_changes() const
+    {
+        model_row_count_dirty_property.get();
+    }
 
     /// \private
     /// Internal function called from within bindings to register with the currently

api/cpp/lib.rs

@@ -122,6 +122,15 @@ pub unsafe extern "C" fn slint_register_font_from_data(
     )
 }
 
+#[no_mangle]
+pub unsafe extern "C" fn slint_register_bitmap_font(
+    win: *const WindowAdapterRcOpaque,
+    font_data: &'static i_slint_core::graphics::BitmapFont,
+) {
+    let window_adapter = &*(win as *const Rc<dyn WindowAdapter>);
+    window_adapter.renderer().register_bitmap_font(font_data);
+}
+
 #[cfg(feature = "testing")]
 #[no_mangle]
 pub unsafe extern "C" fn slint_testing_init_backend() {