合并画布代码

src/component/Canvas/CanvasEditor/commands/BackgroundCommands.js

@@ -1,5 +1,5 @@
 import { Command } from "./Command";
-//import { fabric } from "fabric-with-all";
+import { fabric } from "fabric-with-all";
 
 /**
  * 创建背景图层命令
@@ -195,10 +195,13 @@ export class BackgroundSizeCommand extends Command {
     this.newWidth = options.newWidth;
     this.newHeight = options.newHeight;
     this.historyManager = options.historyManager;
+    this.isRedGreenMode = options.isRedGreenMode;
+
+    this.bgLayer = this.layers.value.find((layer) => layer.isBackground);
 
     // 记录原尺寸
-    this.oldWidth = this.canvas.width;
-    this.oldHeight = this.canvas.height;
+    this.oldWidth = this.bgLayer.fabricObject.width;
+    this.oldHeight = this.bgLayer.fabricObject.height;
 
     // 查找背景图层
     this.bgLayer = this.layers.value.find((layer) => layer.isBackground);