REPORT-41503 【JDK11】设计器启动页面图标不清晰

【问题原因】Windows环境下，jdk11的缩放会造成绘制启动图片模糊
【改动思路】使用2倍图，然后用1倍图的尺寸绘制图片，再经过jdk11的缩放之后显示效果会好一些

designer-realize/src/main/java/com/fr/start/common/SplashPane.java

@@ -125,4 +125,7 @@ public class SplashPane extends JPanel {
         repaint(MODULE_INFO_X, THANK_INFO_Y - FONT_SIZE, MODULE_INFO_WIDTH, MODULE_INFO_HEIGHT);
     }
 
+    protected void paintJComponent(Graphics g) {
+        super.paintComponent(g);
+    }
 }

designer-realize/src/main/java/com/fr/start/common/SplashPane4WinAndJDK11.java

@@ -0,0 +1,58 @@
+package com.fr.start.common;
+
+import com.bulenkov.iconloader.IconLoader;
+import com.fr.base.BaseUtils;
+import com.fr.design.locale.impl.SplashMark;
+import com.fr.general.locale.LocaleCenter;
+
+import javax.swing.Icon;
+import java.awt.Dimension;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.image.BufferedImage;
+import java.io.File;
+
+/**
+ * @author Yvan
+ * @version 10.0
+ * Created by Yvan on 2020/10/27
+ */
+public class SplashPane4WinAndJDK11 extends SplashPane{
+    /**
+     * 启动画面图片路径
+     */
+    private String imagePath;
+
+    public SplashPane4WinAndJDK11() {
+        this.imagePath = getSplashPath4WinAndJdk11();
+    }
+
+    private String getSplashPath4WinAndJdk11() {
+        String path = "/com/fr/design/images/splash_10@2x.png";
+        String filePath = this.getClass().getResource("/").getPath();
+        // 某些定制jar里面没有两倍图，判断一下，如果文件不存在，就返回一倍图的path
+        if (new File(filePath + path).exists()) {
+            return path;
+        }
+        return (String) LocaleCenter.getMark(SplashMark.class).getValue();
+    }
+
+    @Override
+    protected void paintComponent(Graphics g) {
+        super.paintJComponent(g);
+        BufferedImage image = BaseUtils.readImage(imagePath);
+        Graphics2D newG = (Graphics2D)g.create(0, 0, image.getWidth(), image.getHeight());
+        newG.scale(0.5D, 0.5D);
+        newG.drawImage(image, 0, 0, null);
+        newG.scale(1.0D, 1.0D);
+        newG.dispose();
+        paintShowText((Graphics2D) g);
+        g.dispose();
+    }
+
+    @Override
+    Dimension getSplashDimension() {
+        Icon icon = IconLoader.getIcon(imagePath);
+        return new Dimension(icon.getIconWidth() / 2, icon.getIconHeight() / 2);
+    }
+}

designer-realize/src/main/java/com/fr/start/common/SplashWindow.java

@@ -1,6 +1,7 @@
 package com.fr.start.common;
 
 import com.fr.design.fun.OemProcessor;
+import com.fr.design.jdk.JdkVersion;
 import com.fr.design.utils.gui.GUICoreUtils;
 import com.fr.general.IOUtils;
 import com.fr.log.FineLoggerFactory;
@@ -31,7 +32,12 @@ public class SplashWindow extends JFrame {
         initTitleIcon();
 
         //slash pane
-        this.splash = new SplashPane();
+        // 如果是Windows + JDK版本大于等于9时，一倍图启动会很模糊，这边使用两倍图
+        if (OperatingSystem.isWindows() && JdkVersion.GE_9.support()) {
+            this.splash = new SplashPane4WinAndJDK11();
+        } else {
+            this.splash = new SplashPane();
+        }
 
         splash.setBackground(null);
         this.setContentPane(splash);