REPORT-38618【回归】表单-下方缩放缩小之后，拖入tab块，查看右侧边框线消失

designer-form/src/main/java/com/fr/design/mainframe/FormDesignerUI.java

@@ -410,8 +410,8 @@ public class FormDesignerUI extends ComponentUI {
         clipg = g.create(
                 -designer.getHorizontalScaleValue(),
                 -designer.getVerticalScaleValue() + designer.getParaHeight(),
-                parent.getSize().width + designer.getHorizontalScaleValue(),
-                parent.getSize().height + designer.getVerticalScaleValue());
+                component.getSize().width + designer.getHorizontalScaleValue(),
+                component.getSize().height + designer.getVerticalScaleValue());
 
         designer.paintContent(clipg);
         paintWatermark((Graphics2D) clipg);
@@ -436,7 +436,7 @@ public class FormDesignerUI extends ComponentUI {
         Graphics clipg1;
         clipg1 = g.create(-designer.getHorizontalScaleValue(),
                 -designer.getVerticalScaleValue(),
-                parent.getSize().width + designer.getHorizontalScaleValue(),
+                component.getSize().width + designer.getHorizontalScaleValue(),
                designer.getParaHeight() + designer.getVerticalScaleValue());
 
         designer.paintPara(clipg1);