Merge pull request #5433 from penpot/superalex-render-wasm-circles-support

🎉 Render wasm ellipses support

frontend/src/app/render_wasm/api.cljs

@@ -84,6 +84,18 @@
   [clip-content]
   (h/call internal-module "_set_shape_clip_content" clip-content))
 
+(defn set-shape-type
+  [type]
+  (cond
+    (= type :circle)
+    (h/call internal-module "_set_shape_kind_circle")
+
+    (= type :path)
+    (h/call internal-module "_set_shape_kind_path")
+
+    :else
+    (h/call internal-module "_set_shape_kind_rect")))
+
 (defn set-shape-selrect
   [selrect]
   (h/call internal-module "_set_shape_selrect"
@@ -260,10 +272,10 @@
         (loop [index 0 pending []]
           (if (< index total-shapes)
             (let [shape        (nth shapes index)
-                  type         (dm/get-prop shape :type)
                   id           (dm/get-prop shape :id)
-                  clip-content (not (dm/get-prop shape :show-content))
+                  type         (dm/get-prop shape :type)
                   selrect      (dm/get-prop shape :selrect)
+                  clip-content (not (dm/get-prop shape :show-content))
                   rotation     (dm/get-prop shape :rotation)
                   transform    (dm/get-prop shape :transform)
                   fills        (if (= type :group)
@@ -275,6 +287,7 @@
                   content      (dm/get-prop shape :content)]
 
               (use-shape id)
+              (set-shape-type type)
               (set-shape-clip-content clip-content)
               (set-shape-selrect selrect)
               (set-shape-rotation rotation)

frontend/src/app/render_wasm/shape.cljs

@@ -111,6 +111,7 @@
   (when ^boolean shape/*wasm-sync*
     (api/use-shape (:id self))
     (case k
+      :type         (api/set-shape-type v)
       :selrect      (api/set-shape-selrect v)
       :show-content (api/set-shape-clip-content (not v))
       :rotation     (api/set-shape-rotation v)

render-wasm/src/main.rs

@@ -7,6 +7,8 @@ mod state;
 mod utils;
 mod view;
 
+use crate::shapes::Kind;
+use crate::shapes::Path;
 use skia_safe as skia;
 
 use crate::state::State;
@@ -102,6 +104,33 @@ pub extern "C" fn use_shape(a: u32, b: u32, c: u32, d: u32) {
     state.use_shape(id);
 }
 
+#[no_mangle]
+pub unsafe extern "C" fn set_shape_kind_circle() {
+    let state = unsafe { STATE.as_mut() }.expect("got an invalid state pointer");
+
+    if let Some(shape) = state.current_shape() {
+        shape.kind = Kind::Circle(math::Rect::new_empty());
+    }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn set_shape_kind_rect() {
+    let state = unsafe { STATE.as_mut() }.expect("got an invalid state pointer");
+
+    if let Some(shape) = state.current_shape() {
+        shape.kind = Kind::Rect(math::Rect::new_empty());
+    }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn set_shape_kind_path() {
+    let state = unsafe { STATE.as_mut() }.expect("got an invalid state pointer");
+    if let Some(shape) = state.current_shape() {
+        let p = Path::try_from(Vec::new()).unwrap();
+        shape.kind = Kind::Path(p);
+    }
+}
+
 #[no_mangle]
 pub extern "C" fn set_shape_selrect(left: f32, top: f32, right: f32, bottom: f32) {
     let state = unsafe { STATE.as_mut() }.expect("got an invalid state pointer");

render-wasm/src/render.rs

@@ -300,6 +300,11 @@ impl RenderState {
                     .canvas()
                     .draw_rect(rect, &fill.to_paint(&selrect));
             }
+            (_, Kind::Circle(rect)) => {
+                self.drawing_surface
+                    .canvas()
+                    .draw_oval(rect, &fill.to_paint(&selrect));
+            }
             (_, Kind::Path(path)) => {
                 self.drawing_surface
                     .canvas()

render-wasm/src/shapes.rs

@@ -14,6 +14,7 @@ pub use paths::*;
 #[derive(Debug, Clone, PartialEq)]
 pub enum Kind {
     Rect(math::Rect),
+    Circle(math::Rect),
     Path(Path),
 }
 
@@ -77,9 +78,15 @@ impl Shape {
 
     pub fn set_selrect(&mut self, left: f32, top: f32, right: f32, bottom: f32) {
         self.selrect.set_ltrb(left, top, right, bottom);
-        if let Kind::Rect(_) = self.kind {
-            self.kind = Kind::Rect(self.selrect.to_owned());
-        }
+        match self.kind {
+            Kind::Rect(_) => {
+                self.kind = Kind::Rect(self.selrect.to_owned());
+            }
+            Kind::Circle(_) => {
+                self.kind = Kind::Circle(self.selrect.to_owned());
+            }
+            _ => {}
+        };
     }
 
     pub fn translation(&self) -> (f32, f32) {

render-wasm/src/shapes/images.rs

@@ -1,10 +1,9 @@
 use crate::math;
+use crate::shapes::Kind;
 use skia_safe as skia;
 
 pub type Image = skia::Image;
 
-use crate::shapes::Kind;
-
 pub fn draw_image_in_container(
     canvas: &skia::Canvas,
     image: &Image,
@@ -18,6 +17,7 @@ pub fn draw_image_in_container(
 
     let container = match kind {
         Kind::Rect(r) => r.to_owned(),
+        Kind::Circle(r) => r.to_owned(),
         Kind::Path(p) => p.to_skia_path().bounds().to_owned(),
     };
 
@@ -53,6 +53,11 @@ pub fn draw_image_in_container(
         Kind::Rect(_) => {
             canvas.clip_rect(container, skia::ClipOp::Intersect, true);
         }
+        Kind::Circle(_) => {
+            let mut oval_path = skia::Path::new();
+            oval_path.add_oval(container, None);
+            canvas.clip_path(&oval_path, skia::ClipOp::Intersect, true);
+        }
         Kind::Path(p) => {
             canvas.clip_path(&p.to_skia_path(), skia::ClipOp::Intersect, true);
         }