Canvas2D: bug fix on boundingInfo update

SmartPropertyPrim.updateLevelBoundingInfo can now return a boolean to notify of the success or failure of the update.  In case of failure another attempt to compute it will be made at the next get on the object.

canvas2D/src/Engine/babylon.ellipse2d.ts

@@ -203,8 +203,9 @@
             return ((x * x) / (w * w) + (y * y) / (h * h)) <= 1;
         }
 
-        protected updateLevelBoundingInfo() {
+        protected updateLevelBoundingInfo(): boolean {
             BoundingInfo2D.CreateFromSizeToRef(this.actualSize, this._levelBoundingInfo);
+            return true;
         }
 
         /**

canvas2D/src/Engine/babylon.group2d.ts

@@ -340,7 +340,7 @@
             return true;
         }
 
-        protected updateLevelBoundingInfo() {
+        protected updateLevelBoundingInfo(): boolean {
             let size: Size;
 
             // If the size is set by the user, the boundingInfo is computed from this value
@@ -353,6 +353,7 @@
             }
 
             BoundingInfo2D.CreateFromSizeToRef(size, this._levelBoundingInfo);
+            return true;
         }
 
         // Method called only on renderable groups to prepare the rendering

canvas2D/src/Engine/babylon.lines2d.ts

@@ -369,11 +369,12 @@
             return res;
         }
 
-        protected updateLevelBoundingInfo() {
+        protected updateLevelBoundingInfo(): boolean {
             if (!this._boundingMin) {
                 this._computeLines2D();
             }
             BoundingInfo2D.CreateFromMinMaxToRef(this._boundingMin.x, this._boundingMax.x, this._boundingMin.y, this._boundingMax.y, this._levelBoundingInfo);
+            return true;
         }
 
         /**

canvas2D/src/Engine/babylon.prim2dBase.ts

@@ -2565,6 +2565,9 @@
                     this._boundingInfo.clear();
                 } else {
                     this._boundingInfo.copyFrom(this.levelBoundingInfo);
+                    if (this._isFlagSet(SmartPropertyPrim.flagLevelBoundingInfoDirty)) {
+                        return this._boundingInfo;
+                    }
                 }
                 let bi = this._boundingInfo;
 

canvas2D/src/Engine/babylon.rectangle2d.ts

@@ -288,8 +288,9 @@
             return true;
         }
 
-        protected updateLevelBoundingInfo() {
+        protected updateLevelBoundingInfo(): boolean {
             BoundingInfo2D.CreateFromSizeToRef(this.actualSize, this._levelBoundingInfo);
+            return true;
         }
 
         /**

canvas2D/src/Engine/babylon.smartPropertyPrim.ts

@@ -1178,8 +1178,11 @@
          */
         public get levelBoundingInfo(): BoundingInfo2D {
             if (this._isFlagSet(SmartPropertyPrim.flagLevelBoundingInfoDirty)) {
-                this.updateLevelBoundingInfo();
-                this._clearFlags(SmartPropertyPrim.flagLevelBoundingInfoDirty);
+                if (this.updateLevelBoundingInfo()) {
+                    this._clearFlags(SmartPropertyPrim.flagLevelBoundingInfoDirty);
+                } else {
+                    this._levelBoundingInfo.clear();
+                }
             }
             return this._levelBoundingInfo;
         }
@@ -1187,8 +1190,8 @@
         /**
          * This method must be overridden by a given Primitive implementation to compute its boundingInfo
          */
-        protected updateLevelBoundingInfo() {
-
+        protected updateLevelBoundingInfo(): boolean {
+            return false;
         }
 
         /**

canvas2D/src/Engine/babylon.sprite2d.ts

@@ -241,8 +241,9 @@
             this._alignToPixel = value;
         }
 
-        protected updateLevelBoundingInfo() {
+        protected updateLevelBoundingInfo(): boolean {
             BoundingInfo2D.CreateFromSizeToRef(this.size, this._levelBoundingInfo);
+            return true;
         }
 
         /**

canvas2D/src/Engine/babylon.text2d.ts

@@ -296,7 +296,11 @@
         }
 
         protected updateLevelBoundingInfo() {
+            if (!this.owner || !this._text) {
+                return false;
+            }
             BoundingInfo2D.CreateFromSizeToRef(this.actualSize, this._levelBoundingInfo);
+            return true;
         }
 
         /**