REPORT-139239 fix:图表缩略图缩放优化

designer-chart/src/main/java/com/fr/design/mainframe/chart/gui/type/ChartImagePane.java

@@ -1,6 +1,5 @@
 package com.fr.design.mainframe.chart.gui.type;
 
-import com.fine.theme.utils.FineUIStyle;
 import com.fine.theme.utils.FineUIUtils;
 import com.fr.design.chart.series.PlotStyle.ChartSelectDemoPane;
 import com.fr.design.constants.UIConstants;
@@ -9,9 +8,9 @@ import com.fr.general.IOUtils;
 
 import javax.swing.BorderFactory;
 import java.awt.BorderLayout;
-import java.awt.Color;
 import java.awt.Dimension;
 import java.awt.Graphics;
+import java.awt.Image;
 import java.awt.event.MouseEvent;
 import java.awt.image.BufferedImage;
 
@@ -47,9 +46,10 @@ public class ChartImagePane extends ChartSelectDemoPane {
             public void paint(Graphics g) {
                 super.paint(g);
 
-                BufferedImage image1 = IOUtils.readImageWithCache(fullIconPath);
+                BufferedImage bufferedImage = IOUtils.readImageWithCache(fullIconPath);
+                Image scaledImage = bufferedImage.getScaledInstance(scale(IMAGE_WIDTH), scale(IMAGE_HIGTH), Image.SCALE_SMOOTH);
                 int x = (this.getWidth() - scale(IMAGE_WIDTH)) / 2;
-                g.drawImage(image1, x, 0, scale(IMAGE_WIDTH), scale(IMAGE_HIGTH), null);
+                g.drawImage(scaledImage, x, 0, null);
             }
         };