patch canvas color toSVG

fabricjs · Apr 27, 2021 · 7fe1d1e · 7fe1d1e
1 parent 910f14e
commit 7fe1d1e
Showing 1 changed file with 18 additions and 0 deletions.
diff --git a/src/mixins/eraser_brush.mixin.js b/src/mixins/eraser_brush.mixin.js
@@ -1,6 +1,7 @@
 (function () {
   var __setBgOverlayColor = fabric.StaticCanvas.prototype.__setBgOverlayColor;
   var ___setBgOverlay = fabric.StaticCanvas.prototype.__setBgOverlay;
+  var __setSVGBgOverlayColor = fabric.StaticCanvas.prototype._setSVGBgOverlayColor;
   fabric.util.object.extend(fabric.StaticCanvas.prototype, {
     backgroundColor: undefined,
     overlayColor: undefined,
@@ -58,6 +59,23 @@
       }
     },
 
+    /**
+     * patch serialization
+     * background/overlay properties could be objects if parsed by this mixin or could be legacy values
+     * @private
+     */
+    _setSVGBgOverlayColor: function (markup, property, reviver) {
+      var filler = this[property + 'Color'];
+      if (filler && typeof filler === 'object' && filler.type === 'rect') {
+        var excludeFromExport = filler.excludeFromExport || (this[property] && this[property].excludeFromExport);
+        if (filler && !excludeFromExport && filler.toSVG) {
+          markup.push(filler.toSVG(reviver));
+        }
+      } else {
+        __setSVGBgOverlayColor.call(this, markup, property, reviver);
+      }
+    },
+
     /**
      * @private
      * @param {CanvasRenderingContext2D} ctx Context to render on