Pull request #5856: REPORT-59450 创建组件封面图背景是黑的

Merge in DESIGN/design from ~TOMMY/design:final/11.0 to final/11.0

* commit '68c5e528f42b9007a5179c84e71bf7a0a32689a7':
  REPORT-59450 创建组件封面图背景是黑的

designer-form/src/main/java/com/fr/design/mainframe/share/action/CreateComponentAction.java

@@ -251,7 +251,10 @@ public class CreateComponentAction extends UpdateAction {
 
     private Image componentToImage(Component comp, Rectangle rect) {
 
-        BufferedImage im = new BufferedImage((int) rect.getWidth(), (int) rect.getHeight(), BufferedImage.TYPE_INT_RGB);
+        BufferedImage im = new BufferedImage((int) rect.getWidth(), (int) rect.getHeight(), BufferedImage.TYPE_INT_ARGB);
+        Graphics2D g2d = (Graphics2D)im.getGraphics();
+        g2d.setColor(Color.WHITE);
+        g2d.fillRect(0, 0 , rect.width, rect.height);
         comp.paint(im.getGraphics());
         return im;
     }
@@ -260,7 +263,7 @@ public class CreateComponentAction extends UpdateAction {
     private Image moduleToImage(Form form, ElementCaseEditor editor, Map<String, Object> parameterMap, Rectangle rect) {
 
         if (editor == null) {
-            return new BufferedImage((int) rect.getWidth(), (int) rect.getHeight(), BufferedImage.TYPE_INT_RGB);
+            return new BufferedImage((int) rect.getWidth(), (int) rect.getHeight(), BufferedImage.TYPE_INT_ARGB);
         }
         FormElementCaseProvider provider = editor.getElementCase();
         provider.setName(editor.getWidgetName());