⚡ Don't render not visible shapes on workspace

common/src/app/common/geom/rect.cljc

@@ -275,21 +275,19 @@
   [a b]
   (mth/almost-zero? (- a b)))
 
-;; FIXME: performance
 (defn overlaps-rects?
   "Check for two rects to overlap. Rects won't overlap only if
    one of them is fully to the left or the top"
   [rect-a rect-b]
+  (let [x1a (dm/get-prop rect-a :x)
+        y1a (dm/get-prop rect-a :y)
+        x2a (+ x1a (dm/get-prop rect-a :width))
+        y2a (+ y1a (dm/get-prop rect-a :height))
 
-  (let [x1a (:x rect-a)
+        x1b (dm/get-prop rect-b :x)
-        y1a (:y rect-a)
+        y1b (dm/get-prop rect-b :y)
-        x2a (+ (:x rect-a) (:width rect-a))
+        x2b (+ x1b (dm/get-prop rect-b :width))
-        y2a (+ (:y rect-a) (:height rect-a))
+        y2b (+ y1b (dm/get-prop rect-b :height))]
-
-        x1b (:x rect-b)
-        y1b (:y rect-b)
-        x2b (+ (:x rect-b) (:width rect-b))
-        y2b (+ (:y rect-b) (:height rect-b))]
 
     (and (or (> x2a x1b)  (s= x2a x1b))
          (or (>= x2b x1a) (s= x2b x1a))

common/src/app/common/geom/shapes/intersect.cljc

@@ -307,12 +307,12 @@
 (defn overlaps?
   "General case to check for overlapping between shapes and a rectangle"
   [shape rect]
-  (let [stroke-width (/ (or (:stroke-width shape) 0) 2)
+  (let [swidth (/ (or (:stroke-width shape) 0) 2)
-        rect (-> rect
+        rect   (-> rect
-                 (update :x - stroke-width)
+                   (update :x - swidth)
-                 (update :y - stroke-width)
+                   (update :y - swidth)
-                 (update :width + (* 2 stroke-width))
+                   (update :width + (* 2 swidth))
-                 (update :height + (* 2 stroke-width)))]
+                   (update :height + (* 2 swidth)))]
     (or (not shape)
         (cond
           (cph/path-shape? shape)

frontend/src/app/main/ui/context.cljs

@@ -16,6 +16,7 @@
 (def current-project-id   (mf/create-context nil))
 (def current-page-id      (mf/create-context nil))
 (def current-file-id      (mf/create-context nil))
+(def current-vbox         (mf/create-context nil))
 
 (def active-frames        (mf/create-context nil))
 (def render-thumbnails    (mf/create-context nil))

frontend/src/app/main/ui/workspace/shapes.cljs

@@ -13,6 +13,7 @@
   common."
   (:require
    [app.common.data.macros :as dm]
+   [app.common.geom.rect :as grc]
    [app.common.pages.helpers :as cph]
    [app.common.uuid :as uuid]
    [app.main.ui.context :as ctx]
@@ -49,15 +50,14 @@
   (let [objects       (obj/get props "objects")
         active-frames (obj/get props "active-frames")
         shapes        (cph/get-immediate-children objects)
+        vbox          (mf/use-ctx ctx/current-vbox)
 
-        ;; vbox          (mf/use-ctx ctx/current-vbox)
+        shapes        (mf/with-memo [shapes vbox]
-        ;; shapes        (mf/with-memo [shapes vbox]
+                        (if (some? vbox)
-        ;;                 (if (some? vbox)
+                          (filter (fn [shape]
-        ;;                   (filter (fn [shape]
+                                    (grc/overlaps-rects? vbox (dm/get-prop shape :selrect)))
-        ;;                             (grc/overlaps-rects? vbox (dm/get-prop shape :selrect)))
+                                  shapes)
-        ;;                           shapes)
+                          shapes))]
-        ;;                   shapes))
-        ]
 
     [:g {:id (dm/str "shape-" uuid/zero)}
      [:& (mf/provider ctx/active-frames) {:value active-frames}

frontend/src/app/main/ui/workspace/shapes/frame.cljs

@@ -73,6 +73,7 @@
         (fdm/use-dynamic-modifiers objects (mf/ref-val node-ref) modifiers)
         [:& frame-shape {:shape shape :ref node-ref}]))))
 
+
 (defn root-frame-wrapper-factory
   [shape-wrapper]
 
@@ -86,9 +87,9 @@
             thumbnail?         (unchecked-get props "thumbnail?")
 
             page-id            (mf/use-ctx ctx/current-page-id)
-            frame-id           (:id shape)
+            frame-id           (dm/get-prop shape :id)
 
-            objects            (wsh/lookup-page-objects @st/state)
+            objects            (wsh/lookup-page-objects @st/state page-id)
 
             node-ref           (mf/use-ref nil)
             root-ref           (mf/use-ref nil)
@@ -114,6 +115,7 @@
 
             on-frame-load
             (fns/use-node-store node-ref rendered-ref thumbnail? render-frame?)
+
             ]
 
         (fdm/use-dynamic-modifiers objects (mf/ref-val node-ref) modifiers)

frontend/src/app/main/ui/workspace/viewport.cljs

@@ -88,6 +88,8 @@
                 show-distances?
                 picking-color?]} wglobal
 
+        vbox'             (mf/use-debounce 100 vbox)
+
         ;; CONTEXT
         page-id           (mf/use-ctx ctx/current-page-id)
 
@@ -323,12 +325,13 @@
               :y (:y vbox 0)
               :fill background}]
 
-      [:& (mf/provider use/include-metadata-ctx) {:value (debug? :show-export-metadata)}
+      [:& (mf/provider ctx/current-vbox) {:value vbox'}
-       [:& (mf/provider embed/context) {:value true}
+       [:& (mf/provider use/include-metadata-ctx) {:value (debug? :show-export-metadata)}
-        ;; Render root shape
+        [:& (mf/provider embed/context) {:value true}
-        [:& shapes/root-shape {:key page-id
+         ;; Render root shape
-                               :objects base-objects
+         [:& shapes/root-shape {:key page-id
-                               :active-frames @active-frames}]]]]
+                                :objects base-objects
+                                :active-frames @active-frames}]]]]]
 
      [:svg.viewport-controls
       {:xmlns "http://www.w3.org/2000/svg"

frontend/src/app/util/dom.cljs

@@ -409,10 +409,11 @@
 (defn bounding-rect->rect
   [rect]
   (when (some? rect)
-    {:x      (or (.-left rect)   (:left rect)   0)
+    (grc/make-rect
-     :y      (or (.-top rect)    (:top rect)    0)
+     (or (.-left rect)   (:left rect)   0)
-     :width  (or (.-width rect)  (:width rect)  1)
+     (or (.-top rect)    (:top rect)    0)
-     :height (or (.-height rect) (:height rect) 1)}))
+     (or (.-width rect)  (:width rect)  1)
+     (or (.-height rect) (:height rect) 1))))
 
 (defn get-window-size
   []

frontend/src/app/util/text_svg_position.cljs

@@ -88,28 +88,28 @@
 
 (defn calc-position-data
   [shape-id]
-  (when (some? shape-id)
+  (letfn [(get-prop [styles prop]
-    (p/let [text-data (calc-text-node-positions shape-id)]
+            (let [value (.getPropertyValue styles prop)]
-      (->> text-data
+              (when (and (some? value) (not= value ""))
-           (mapv (fn [{:keys [node position text direction]}]
+                value)))
-                   (let [{:keys [x y width height]} position
+
-                         styles (js/getComputedStyle ^js node)
+          (transform-data [{:keys [node position text direction]}]
-                         get    (fn [prop]
+            (let [styles   (js/getComputedStyle ^js node)
-                                  (let [value (.getPropertyValue styles prop)]
+                  position (assoc position :y (+ (dm/get-prop position :y)
-                                    (when (and value (not= value ""))
+                                                 (dm/get-prop position :height)))]
-                                      value)))]
+              (into position (filter val)
-                     (d/without-nils
+                    {:direction       direction
-                       {:x                   x
+                     :font-family     (dm/str (get-prop styles "font-family"))
-                        :y                   (+ y height)
+                     :font-size       (dm/str (get-prop styles "font-size"))
-                        :width               width
+                     :font-weight     (dm/str (get-prop styles "font-weight"))
-                        :height              height
+                     :text-transform  (dm/str (get-prop styles "text-transform"))
-                        :direction           direction
+                     :text-decoration (dm/str (get-prop styles "text-decoration"))
-                        :font-family         (str (get "font-family"))
+                     :letter-spacing  (dm/str (get-prop styles "letter-spacing"))
-                        :font-size           (str (get "font-size"))
+                     :font-style      (dm/str (get-prop styles "font-style"))
-                        :font-weight         (str (get "font-weight"))
+                     :fills           (transit/decode-str (get-prop styles "--fills"))
-                        :text-transform      (str (get "text-transform"))
+                     :text            text})))]
-                        :text-decoration     (str (get "text-decoration"))
+
-                        :letter-spacing      (str (get "letter-spacing"))
+    (when (some? shape-id)
-                        :font-style          (str (get "font-style"))
+      (->> (calc-text-node-positions shape-id)
-                        :fills               (transit/decode-str (get "--fills"))
+           (p/fmap (fn [text-data]
-                        :text                text}))))))))
+                     (mapv transform-data text-data)))))))