Merge pull request #5409 from penpot/superalex-hidden-layer-support-for-wasm-render

🎉 Hidden layer support for wasm render

frontend/src/app/render_wasm/api.cljs

@@ -216,6 +216,10 @@
   [opacity]
   (h/call internal-module "_set_shape_opacity" (or opacity 1)))
 
+(defn set-shape-hidden
+  [hidden]
+  (h/call internal-module "_set_shape_hidden" hidden))
+
 (def debounce-render-without-cache (fns/debounce render-without-cache 100))
 
 (defn set-view
@@ -239,7 +243,9 @@
                   fills      (dm/get-prop shape :fills)
                   children   (dm/get-prop shape :shapes)
                   blend-mode (dm/get-prop shape :blend-mode)
-                  opacity    (dm/get-prop shape :opacity)]
+                  opacity    (dm/get-prop shape :opacity)
+                  hidden     (dm/get-prop shape :hidden)]
+
               (use-shape id)
               (set-shape-selrect selrect)
               (set-shape-rotation rotation)
@@ -247,6 +253,7 @@
               (set-shape-blend-mode blend-mode)
               (set-shape-children children)
               (set-shape-opacity opacity)
+              (set-shape-hidden hidden)
               (let [pending-fills (doall (set-shape-fills fills))]
                 (recur (inc index) (into pending pending-fills))))
             pending))]
@@ -263,7 +270,6 @@
        :stencil true
        :alpha true})
 
-
 (defn clear-canvas
   []
   ;; TODO: perform corresponding cleaning

frontend/src/app/render_wasm/shape.cljs

@@ -118,6 +118,7 @@
       :fills      (api/set-shape-fills v)
       :blend-mode (api/set-shape-blend-mode v)
       :opacity    (api/set-shape-opacity v)
+      :hidden     (api/set-shape-hidden v)
       :shapes     (api/set-shape-children v)
       nil)
     ;; when something synced with wasm

render-wasm/src/main.rs

@@ -263,6 +263,14 @@ pub extern "C" fn set_shape_opacity(opacity: f32) {
     }
 }
 
+#[no_mangle]
+pub extern "C" fn set_shape_hidden(hidden: bool) {
+    let state = unsafe { STATE.as_mut() }.expect("got an invalid state pointer");
+    if let Some(shape) = state.current_shape() {
+        shape.hidden = hidden;
+    }
+}
+
 fn main() {
     init_gl();
 }

render-wasm/src/render.rs

@@ -389,7 +389,7 @@ impl RenderState {
         let mut is_complete = self.viewbox.area.contains(shape.selrect);
 
         if !id.is_nil() {
-            if !shape.selrect.intersects(self.viewbox.area) {
+            if !shape.selrect.intersects(self.viewbox.area) || shape.hidden {
                 self.render_debug_shape(shape, false);
                 // TODO: This means that not all the shapes are renderer so we
                 // need to call a render_all on the zoom out.

render-wasm/src/shapes.rs

@@ -51,6 +51,7 @@ pub struct Shape {
     fills: Vec<Fill>,
     pub blend_mode: BlendMode,
     pub opacity: f32,
+    pub hidden: bool,
 }
 
 impl Shape {
@@ -65,6 +66,7 @@ impl Shape {
             fills: vec![],
             blend_mode: BlendMode::default(),
             opacity: 1.,
+            hidden: false,
         }
     }