modules/graphics/src/main/java/com/sun/javafx/sg/prism/NGCanvas.java

@@ -23,10 +23,11 @@
  * questions.
  */
 
 package com.sun.javafx.sg.prism;
 
+import com.sun.glass.ui.Screen;
 import javafx.geometry.VPos;
 import javafx.scene.text.Font;
 import java.nio.IntBuffer;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.FutureTask;

@@ -309,10 +310,11 @@
 
     private static Blend BLENDER = new MyBlend(Mode.SRC_OVER, null, null);
 
     private GrowableDataBuffer thebuf;
 
+    private final float highestPixelScale;
     private int tw, th;
     private int cw, ch;
     private RenderBuf cv;
     private RenderBuf temp;
     private RenderBuf clip;

@@ -346,10 +348,16 @@
     static float TEMP_COORDS[] = new float[6];
     private static Arc2D TEMP_ARC = new Arc2D();
     private static RectBounds TEMP_RECTBOUNDS = new RectBounds();
 
     public NGCanvas() {
+        float hPS = 1.0f;
+        for (Screen s : Screen.getScreens()) {
+            hPS = Math.max(s.getScale(), hPS);
+        }
+        highestPixelScale = hPS;
+
         cv = new RenderBuf(InitType.PRESERVE_UPPER_LEFT);
         temp = new RenderBuf(InitType.CLEAR);
         clip = new RenderBuf(InitType.FILL_WHITE);
 
         path = new Path2D();