IDEA-57233 Editor font antialising/appearance problems on Linux

Used desktop DPI instead of hard-coded 72
Compensated increased glyph bitmap size by adjusting font size
Added LCD filter for sub-pixel rendering
Use fontconfig library to provide right rendering options for fonts
Corrected sizes passed to fontconfig library and hinting disabling policy
Added logging and versioned fontconfig lib loading
Resolved font rendering problem in lenses

Author: avu

src/java.desktop/share/classes/sun/font/FreetypeFontScaler.java

@@ -25,6 +25,7 @@
 
 package sun.font;
 
+import java.awt.*;
 import java.awt.geom.GeneralPath;
 import java.awt.geom.Point2D;
 import java.awt.geom.Rectangle2D;
@@ -47,10 +48,10 @@ class FreetypeFontScaler extends FontScaler {
         /* At the moment fontmanager library depends on freetype library
            and therefore no need to load it explicitly here */
         FontManagerNativeLibrary.load();
-        initIDs(FreetypeFontScaler.class);
+        initIDs(FreetypeFontScaler.class, Toolkit.class, PhysicalFont.class);
     }
 
-    private static native void initIDs(Class<?> FFS);
+    private static native void initIDs(Class<?> FFS, Class<?> toolkitClass, Class<?> pfClass);
 
     private void invalidateScaler() throws FontScalerException {
         nativeScaler = 0;