8352890: Remove unnecessary Windows version check in FileFontStrike

Reviewed-by: serb, prr

Author: Daniel Gredler

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

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2024, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2025, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -109,19 +109,10 @@ public class FileFontStrike extends PhysicalStrike {
     NativeStrike[] nativeStrikes;
 
     static final int MAX_IMAGE_SIZE = OutlineTextRenderer.THRESHHOLD;
+
     /* Used only for communication to native layer */
     private int intPtSize;
 
-    /* Perform global initialisation needed for Windows native rasterizer */
-    private static native boolean initNative();
-    private static boolean isXPorLater = false;
-    static {
-        if (FontUtilities.isWindows && !FontUtilities.useJDKScaler &&
-            !GraphicsEnvironment.isHeadless()) {
-            isXPorLater = initNative();
-        }
-    }
-
     FileFontStrike(FileFont fileFont, FontStrikeDesc desc) {
         super(fileFont, desc);
         this.fileFont = fileFont;
@@ -212,7 +203,7 @@ public class FileFontStrike extends PhysicalStrike {
          * except that the advance returned by GDI is always overwritten by
          * the JDK rasteriser supplied one (see getGlyphImageFromWindows()).
          */
-        if (FontUtilities.isWindows && isXPorLater &&
+        if (FontUtilities.isWindows &&
             !FontUtilities.useJDKScaler &&
             !GraphicsEnvironment.isHeadless() &&
             !fileFont.useJavaRasterizer &&

src/java.desktop/windows/native/libfontmanager/lcdglyph.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 2025, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -89,7 +89,7 @@
 #define MAX_GAMMA 220
 #define LCDLUTCOUNT (MAX_GAMMA-MIN_GAMMA+1)
 
-static unsigned char* igLUTable[LCDLUTCOUNT];
+static unsigned char* igLUTable[LCDLUTCOUNT] = { 0 };
 
 static unsigned char* getIGTable(int gamma) {
     int i, index;
@@ -122,15 +122,6 @@ static unsigned char* getIGTable(int gamma) {
     return igTable;
 }
 
-
-JNIEXPORT jboolean JNICALL
-    Java_sun_font_FileFontStrike_initNative(JNIEnv *env, jclass unused) {
-
-    memset(igLUTable, 0, sizeof igLUTable);
-
-    return JNI_TRUE;
-}
-
 #ifndef CLEARTYPE_QUALITY
 #define CLEARTYPE_QUALITY 5
 #endif