Pull request #7405: REPORT-65170【主题边框】悬浮元素的预览图，右下的边框线看不到

Merge in DESIGN/design from ~STARRYI/design:release/11.0 to release/11.0

* commit '5d9ec7b72898a9cbd891d2c3c634123276b1efa2':
  REPORT-65170【主题边框】悬浮元素的预览图，右下的边框线看不到

designer-base/src/main/java/com/fr/design/cell/CellStylePreviewPane.java

@@ -7,6 +7,7 @@ import com.fr.base.ScreenResolution;
 import com.fr.base.Style;
 import com.fr.general.FRFont;
 import com.fr.general.IOUtils;
+import com.fr.stable.Constants;
 import com.fr.stable.unit.PT;
 
 import javax.swing.JPanel;
@@ -153,16 +154,16 @@ public class CellStylePreviewPane extends JPanel {
         float adjustRight = 0;
         float adjustBottom = 0;
         if (column == 0) {
-            adjustLeft = GraphHelper.getLineStyleSize(style.getBorderLeft()) / 2.0F;
+            adjustLeft = GraphHelper.getLineStyleSize(style.getBorderLeft()) / 2.0F + computeOffset4DoubleStyleBorder(style);
         }
         if (row == 0) {
-            adjustTop = GraphHelper.getLineStyleSize(style.getBorderTop()) / 2.0F;
+            adjustTop = GraphHelper.getLineStyleSize(style.getBorderTop()) / 2.0F + computeOffset4DoubleStyleBorder(style);
         }
         if (column == columnSpan - 1) {
-            adjustRight = -GraphHelper.getLineStyleSize(style.getBorderRight()) / 2.0F;
+            adjustRight = -GraphHelper.getLineStyleSize(style.getBorderRight()) / 2.0F - computeOffset4DoubleStyleBorder(style);
         }
         if (row == rowSpan - 1) {
-            adjustBottom = -GraphHelper.getLineStyleSize(style.getBorderBottom()) / 2.0F;
+            adjustBottom = -GraphHelper.getLineStyleSize(style.getBorderBottom()) / 2.0F - computeOffset4DoubleStyleBorder(style);
         }
 
         g2d.translate(adjustLeft, adjustTop);
@@ -170,6 +171,17 @@ public class CellStylePreviewPane extends JPanel {
         g2d.translate(-adjustLeft, -adjustTop);
     }
 
+    private float computeOffset4DoubleStyleBorder(Style style) {
+        float offset = 0F;
+        if (style.getBorderLeft() == Constants.LINE_DOUBLE) {
+            offset += GraphHelper.getLineStyleSize(Constants.LINE_THIN) / 2.0F;
+        } else if (style.getBorderLeft() == Constants.LINE_DOUBLE_DOT) {
+            offset += GraphHelper.getLineStyleSize(Constants.LINE_DOT) / 2.0F;
+        }
+
+        return offset;
+    }
+
     @Override
     public Dimension getPreferredSize() {
         Dimension size = super.getPreferredSize();