REPORT-62970【接触点优化】筛选动效问题，交互看下

designer-form/src/main/java/com/fr/design/mainframe/share/ui/online/embed/EmbedPane.java

@@ -19,11 +19,13 @@ import com.fr.stable.StringUtils;
 import javax.swing.BorderFactory;
 import javax.swing.JPanel;
 import javax.swing.UIManager;
+import java.awt.AlphaComposite;
 import java.awt.BorderLayout;
 import java.awt.Color;
 import java.awt.Dimension;
 import java.awt.FontMetrics;
 import java.awt.Graphics;
+import java.awt.Graphics2D;
 import java.awt.Image;
 import java.awt.Point;
 import java.awt.event.ActionEvent;
@@ -43,7 +45,9 @@ public class EmbedPane extends JPanel {
     private static final String EMBED_PANE_TIMER = "EMBED_PANE_TIMER";
     private static final Color BORDER_COLOR = Color.decode("#D9DADD");
     private static final Color SEARCH_BUTTON_COLOR = Color.decode("#419BF9");
+    private static final float DELTA_ALPHA = 0.13F;
     private Image image;
+    private float alpha = 1.0F;
 
     public EmbedPane(OnlineEmbedFilterShowPane showPane) {
         this.addMouseListener(new MouseAdapter() {
@@ -172,6 +176,7 @@ public class EmbedPane extends JPanel {
                 Dimension newDimension = new Dimension(dimension.width - 25, dimension.height - 30);
                 EmbedPane.this.setSize(newDimension);
                 EmbedPane.this.setLocation(point.x + 25, 0);
+                alpha -= DELTA_ALPHA;
             });
 
         }, 0, 60, TimeUnit.MILLISECONDS);
@@ -179,6 +184,8 @@ public class EmbedPane extends JPanel {
 
     @Override
     public void paint(Graphics g) {
+        AlphaComposite composite =  AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha);
+        ((Graphics2D) g).setComposite(composite);
         super.paint(g);
         if (image != null) {
             g.drawImage(image, 0, 0, EmbedPane.this.getWidth(), EmbedPane.this.getHeight(), null);