feat: 滚动到内容功能

Author: Yan Heng

main/src/view/canvas/index.vue

@@ -33,6 +33,7 @@ onMounted(() => {
       <button @click="app.remove(...app.selected)">删除</button>
       <button @click="app.undo()">回退</button>
       <button @click="app.redo()">恢复</button>
+      <button @click="app.zoomToContent()">快速定位</button>
     </div>
     <div class="tools">
       <button @click="app.setTool(selectTool())">选择🖱️</button>

packages/core/src/app.ts

@@ -187,6 +187,10 @@ export class App extends BaseService<EventArgs> {
     this.mainLayer.draw();
   }
 
+  public zoomToContent(): void {
+    console.log('滚动到内容');
+  }
+
   public toJSON(): string {
     return this.mainLayer.toJSON();
   }