no longer use system property sun.java2d.uiScale (Java 8 only)

CHANGELOG.md

@@ -5,6 +5,7 @@ FlatLaf Change Log
 
 - Linux: Fixed scaling if `GDK_SCALE` environment variable is set or if running
   on JetBrains Runtime. (issue #69)
+- No longer use system property `sun.java2d.uiScale`. (Java 8 only)
 
 
 ## 0.28

flatlaf-core/src/main/java/com/formdev/flatlaf/util/UIScale.java

@@ -177,17 +177,14 @@ public class UIScale
 	}
 
 	/**
-	 * Applies a custom scale factor given in system properties "flatlaf.uiScale"
-	 * or "sun.java2d.uiScale" to the given font.
+	 * Applies a custom scale factor given in system property "flatlaf.uiScale"
+	 * to the given font.
 	 */
 	public static FontUIResource applyCustomScaleFactor( FontUIResource font ) {
 		if( UIScale.isSystemScalingEnabled() )
 			return font;
 
 		String uiScale = System.getProperty( "flatlaf.uiScale" );
-		if( uiScale == null )
-			uiScale = System.getProperty( "sun.java2d.uiScale" );
-
 		float scaleFactor = parseScaleFactor( uiScale );
 		if( scaleFactor <= 0 )
 			return font;