.

src/view/case/draw/board/editCAD/Controls/UIControl.js

@@ -404,7 +404,18 @@ export default class UIControl {
     return json;
   }
 
+  exportImg(canvas,filename){
+    coordinate.ratio = 3;
+    this.layer.renderer.autoRedraw()
+    setTimeout(() => {
+      this.downloadCadImg(canvas, filename)
+    })
+    coordinate.ratio = 1;
+    this.layer.renderer.autoRedraw()
+  }
+
   downloadCadImg(canvas, filename) {
+    
     // 图片导出为 png 格式
     var type = "png";
     var imgData = canvas.toDataURL(type, 1);