REPORT-62533【主题预览图】单元格样式只设置下边框线时，左侧预览图中看不到效果

designer-base/src/main/java/com/fr/design/mainframe/theme/preview/ecpreview/cell/AbstractPreviewCell.java

@@ -1,12 +1,15 @@
 package com.fr.design.mainframe.theme.preview.ecpreview.cell;
 
 import com.fr.base.Style;
+import com.fr.stable.Constants;
+
 import javax.swing.JComponent;
 import java.awt.Dimension;
 import java.awt.Graphics;
 import java.awt.Graphics2D;
 
 public abstract class AbstractPreviewCell extends JComponent {
+    private static final double BORDER_INSET = 0.5D;
     protected Style style = Style.DEFAULT_STYLE;
     private static final int NO_SCALE_RESOLUTION = 100;
 
@@ -19,7 +22,19 @@ public abstract class AbstractPreviewCell extends JComponent {
         Graphics2D g2d = (Graphics2D) g;
         Style.paintBackground(g2d, style, getWidth(), getHeight());
         paintContent(g2d, NO_SCALE_RESOLUTION);
-        Style.paintBorder(g2d, style, getWidth(), getHeight());
+        paintBorder(g2d);
+    }
+
+    private void paintBorder(Graphics2D g2d) {
+        double width = getWidth();
+        double height = getHeight();
+        if (style.getBorderLeft() == Constants.LINE_SLIM || style.getBorderRight() == Constants.LINE_SLIM) {
+            width -= BORDER_INSET;
+        }
+        if (style.getBorderBottom() == Constants.LINE_SLIM || style.getBorderTop() == Constants.LINE_SLIM) {
+            height -= BORDER_INSET;
+        }
+        Style.paintBorder(g2d, style, width, height);
     }
 
     protected abstract void paintContent(Graphics2D g2d, int resolution);