extends canvas with setErasable

fabricjs · Apr 8, 2021 · 07481ba · 07481ba
1 parent 21f5289
commit 07481ba
Showing 1 changed file with 20 additions and 0 deletions.
diff --git a/src/brushes/eraser_brush.class.js b/src/brushes/eraser_brush.class.js
@@ -14,6 +14,26 @@
     }
   });
 
+  fabric.util.object.extend(fabric.Canvas.prototype, {
+    /**
+     * Sets eraable option on background objects
+     * @param {boolean} value 
+     * @returns 
+     */
+    setErasable(value) {
+      let changed = false;
+      if (this.backgroundImage) {
+        changed = true;
+        this.backgroundImage.erasable = value;
+      }
+      if (this.backgroundColor && this.backgroundColor instanceof fabric.Object) {
+        changed = true;
+        this.backgroundColor.erasable = value;
+      }
+      return changed;
+    }
+  });
+
   /**
    * EraserBrush class
    * @class fabric.EraserBrush