修改事件名称

src/app/working-area/working-area.component.ts

@@ -141,7 +141,7 @@ export class WorkingAreaComponent extends EventEmitter implements OnInit, AfterV
       if (this.backgroundImage.scale.x >= 32) {
         this.backgroundImage.scale.x = 32;
         this.backgroundImage.scale.y = 32;
-        this.emit('mouseWheel', this.backgroundImage.scale.x);
+        this.emit('backgroundScale', this.backgroundImage.scale.x);
         return;
       }
       this.backgroundImage.pivot.set(pivot.x, pivot.y);
@@ -155,7 +155,7 @@ export class WorkingAreaComponent extends EventEmitter implements OnInit, AfterV
       if (this.backgroundImage.scale.x <= 0.1) {
         this.backgroundImage.scale.x = 0.1;
         this.backgroundImage.scale.y = 0.1;
-        this.emit('mouseWheel', this.backgroundImage.scale.x);
+        this.emit('backgroundScale', this.backgroundImage.scale.x);
         return;
       }
       this.backgroundImage.pivot.set(pivot.x, pivot.y);
@@ -166,7 +166,7 @@ export class WorkingAreaComponent extends EventEmitter implements OnInit, AfterV
       this.backgroundImage.position.x += delX;
       this.backgroundImage.position.y += delY;
     }
-    this.emit('mouseWheel', this.backgroundImage.scale.x);
+    this.emit('backgroundScale', this.backgroundImage.scale.x);
   }
   /**
    * 创建画布
@@ -586,7 +586,7 @@ export class WorkingAreaComponent extends EventEmitter implements OnInit, AfterV
    */
   public setBackgroundScale(scale: number): void {
     this.backgroundImage.scale.set(scale);
-    this.emit('mouseWheel', this.backgroundImage.scale.x);
+    this.emit('backgroundScale', this.backgroundImage.scale.x);
   }
   /**
    * 设置背景图角度
@@ -910,7 +910,7 @@ export class SinglePointIcon extends PIXI.Container {
 
      });
 
-    this.workingArea.on('mouseWheel', data => {
+    this.workingArea.on('backgroundScale', data => {
       if (this.assetData.FixedSize) {
         const scale = 1 / data;
         console.log(scale);