REPORT-55089 组件背景分离】组件复用-标题图案的图片预览图，和交互文档里定的悬浮时出现删除按钮和不透明遮罩预期效果不同

【问题原因】
交互补充遮罩层
【改动思路】
【review建议】

designer-form/src/main/java/com/fr/design/gui/xpane/TitleInsetImagePane.java

@@ -47,6 +47,7 @@ public class TitleInsetImagePane extends JPanel implements UIObserver {
     private final int SETTING_LABEL_WIDTH = LayoutStylePane.SETTING_LABEL_WIDTH;
     private final int DELETE_BUTTON_SIZE = 24;
     private final int IMAGE_PREVIEW_SIZE = 145;
+    private final Color IMAGE_PREVIEW_OVERLAY_COLOR = new Color(255, 255, 255, 51);
     private final Style DEFAULT_IMAGE_LAYOUT_STYLE = Style.DEFAULT_STYLE.deriveImageLayout(Constants.IMAGE_DEFAULT);
     private final int DEFAULT_INSET_LOCATION_INDEX = 0;
     private final int DEFAULT_INSET_PADDING = 10;
@@ -88,17 +89,24 @@ public class TitleInsetImagePane extends JPanel implements UIObserver {
         deletableImagePreviewPane.setLayout(null);
         deletableImagePreviewPane.setBorder(new UIRoundedBorder(UIConstants.LINE_COLOR, 1, 5));
         deletableImagePreviewPane.setPreferredSize(new Dimension(IMAGE_PREVIEW_SIZE, IMAGE_PREVIEW_SIZE));
+        JPanel overlayPane = new JPanel();
+        overlayPane.setPreferredSize(new Dimension(IMAGE_PREVIEW_SIZE - 2, IMAGE_PREVIEW_SIZE - 2));
+        overlayPane.setBackground(IMAGE_PREVIEW_OVERLAY_COLOR);
         imagePreviewPane.setBounds(0, 0, IMAGE_PREVIEW_SIZE, IMAGE_PREVIEW_SIZE);
+        overlayPane.setBounds(1, 1, IMAGE_PREVIEW_SIZE - 2, IMAGE_PREVIEW_SIZE - 2);
         imageDeleteButton.setBounds(IMAGE_PREVIEW_SIZE - DELETE_BUTTON_SIZE, 0, DELETE_BUTTON_SIZE, DELETE_BUTTON_SIZE);
         deletableImagePreviewPane.add(imageDeleteButton, 0);
-        deletableImagePreviewPane.add(imagePreviewPane, 1);
+        deletableImagePreviewPane.add(overlayPane, 1);
+        deletableImagePreviewPane.add(imagePreviewPane, 2);
 
+        overlayPane.setVisible(false);
         imageDeleteButton.setVisible(false);
         imageDeleteButton.setEnabled(false);
         deletableImagePreviewPane.addMouseListener(new MouseAdapter() {
             @Override
             public void mouseEntered(MouseEvent e) {
                 super.mouseEntered(e);
+                overlayPane.setVisible(true);
                 imageDeleteButton.setVisible(true);
                 imageDeleteButton.setEnabled(true);
             }
@@ -109,6 +117,7 @@ public class TitleInsetImagePane extends JPanel implements UIObserver {
                 int x = e.getX();
                 int y = e.getY();
                 if (x <= 0 || getWidth() <= x || y <= 0 || y >= getHeight()) {
+                    overlayPane.setVisible(false);
                     imageDeleteButton.setVisible(false);
                     imageDeleteButton.setEnabled(false);
                 }