设置图例显示隐藏

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

@@ -1490,6 +1490,15 @@ export class WorkingAreaComponent extends EventEmitter implements OnInit, AfterV
     shape.hideBorder();
     shape.setPointVisiable(false);
   }
+  ////////////////////////////////////////////////////////////////////////////////////////////////图例
+  /**
+   * 设置图例显示隐藏
+   * @param b true 显示，false隐藏
+   */
+  public setLegendVisible(b: boolean): void {
+    const legend = this.backgroundImage.getChildByName('图例') as AxLegend;
+    legend.visible = b;
+  }
 }
 enum CanvasAction {
   selectionChanged = 'selectionChanged',