🐛 Fix asynchronous content dependant rendering (#6142)

* 🐛 Fix custom fonts rendering

* 🐛 Fix asynchronous content dependant rendering

* 🎉 Renaming clear_cache to clear_drawing_cache

frontend/src/app/render_wasm/api.cljs

@@ -777,8 +777,8 @@
   (h/call internal-module "_set_view" zoom (- (:x vbox)) (- (:y vbox)))
   (render nil))
 
-(defn clear-cache []
+(defn clear-drawing-cache []
-  (h/call internal-module "_clear_cache"))
+  (h/call internal-module "_clear_drawing_cache"))
 
 (defn- store-all-fonts
   [fonts]
@@ -803,7 +803,9 @@
     (->> (rx/from pending)
          (rx/mapcat identity)
          (rx/reduce conj [])
-         (rx/subs! request-render))))
+         (rx/subs! (fn [_]
+                     (clear-drawing-cache)
+                     (request-render "set-fonts"))))))
 
 (defn set-objects
   [objects]
@@ -886,13 +888,15 @@
               (let [pending' (concat (set-shape-fills fills) (set-shape-strokes strokes))]
                 (recur (inc index) (into pending pending'))))
             pending))]
-    (clear-cache)
+    (clear-drawing-cache)
     (request-render "set-objects")
     (when-let [pending (seq pending)]
       (->> (rx/from pending)
            (rx/mapcat identity)
            (rx/reduce conj [])
-           (rx/subs! request-render)))))
+           (rx/subs! (fn [_]
+                       (clear-drawing-cache)
+                       (request-render "set-objects")))))))
 
 (defn uuid->u8
   [id]

frontend/src/app/render_wasm/shape.cljs

@@ -145,7 +145,7 @@
     ;; when something synced with wasm
     ;; is modified, we need to request
     ;; a new render.
-    (api/clear-cache)
+    (api/clear-drawing-cache)
     (api/request-render "set-wasm-attrs")))
 
 (defn- impl-assoc

render-wasm/src/main.rs

@@ -61,7 +61,7 @@ pub extern "C" fn clean_up() {
 }
 
 #[no_mangle]
-pub extern "C" fn clear_cache() {
+pub extern "C" fn clear_drawing_cache() {
     with_state!(state, {
         state.rebuild_tiles();
     });

render-wasm/src/render/fonts.rs

@@ -1,4 +1,4 @@
-use skia_safe::{self as skia, textlayout, Font};
+use skia_safe::{self as skia, textlayout, Font, FontMgr};
 
 use crate::shapes::FontFamily;
 
@@ -31,8 +31,8 @@ impl FontStore {
         font_provider.register_typeface(emoji_font, DEFAULT_EMOJI_FONT);
 
         let mut font_collection = skia::textlayout::FontCollection::new();
-        font_collection.set_default_font_manager(Some(font_provider.clone().into()), None);
+        font_collection.set_default_font_manager(FontMgr::default(), None);
-        font_collection.set_dynamic_font_manager(Some(font_provider.clone().into()));
+        font_collection.set_dynamic_font_manager(FontMgr::from(font_provider.clone()));
 
         let debug_typeface = font_provider
             .match_family_style("robotomono-regular", skia::FontStyle::default())
@@ -72,6 +72,8 @@ impl FontStore {
         self.font_provider
             .register_typeface(typeface, alias.as_str());
 
+        self.refresh_font_collection();
+
         Ok(())
     }
 
@@ -79,4 +81,12 @@ impl FontStore {
         let serialized = format!("{}", family);
         self.font_provider.family_names().any(|x| x == serialized)
     }
+
+    fn refresh_font_collection(&mut self) {
+        self.font_collection = skia::textlayout::FontCollection::new();
+        self.font_collection
+            .set_default_font_manager(FontMgr::default(), None);
+        self.font_collection
+            .set_dynamic_font_manager(FontMgr::from(self.font_provider.clone()));
+    }
 }