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

@@ -22,10 +22,12 @@ import com.fr.form.main.parameter.FormParameterUI;
 import com.fr.page.WatermarkPainter;
 import com.fr.report.core.ReportUtils;
 import com.fr.stable.ArrayUtils;
+import com.fr.stable.Constants;
 
 import javax.swing.*;
 import javax.swing.plaf.ComponentUI;
 import java.awt.AlphaComposite;
+import java.awt.Color;
 import java.awt.Component;
 import java.awt.Graphics;
 import java.awt.Graphics2D;
@@ -41,6 +43,8 @@ import java.util.ArrayList;
  */
 public class FormDesignerUI extends ComponentUI {
 
+    private static final Color DESIGNER_BORDER_COLOR = new Color(198, 198, 198);
+
     // 当前的设计器
     private FormDesigner designer;
     private SelectionModel selectionModel;
@@ -90,7 +94,7 @@ public class FormDesignerUI extends ComponentUI {
             designer.getDrawLineHelper().drawAuxiliaryLine(g);
             return;
         }
-
+        paintBorder(g);
         paintSelection(g);
 
         if (DesignerMode.isAuthorityEditing()) {
@@ -275,6 +279,19 @@ public class FormDesignerUI extends ComponentUI {
         clipg.dispose();
     }
 
+    public void paintBorder(Graphics g) {
+        Rectangle bounds = designer.getTopContainer().getBounds();
+        bounds.x = -designer.getHorizontalScaleValue();
+        bounds.y = -designer.getVerticalScaleValue();
+        Graphics clipg = g.create();
+        clipg.clipRect(bounds.x, bounds.y, bounds.width, bounds.height);
+        Color oldColor = g.getColor();
+        g.setColor(DESIGNER_BORDER_COLOR);
+        GraphHelper.draw(g, bounds, Constants.LINE_THIN);
+        clipg.dispose();
+        g.setColor(oldColor);
+    }
+
     /**
      * 画出当前选择、拖拽状态框
      *