src/java.desktop/macosx/native/libawt_lwawt/awt/CRobot.m

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2017, 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
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this

@@ -274,23 +274,24 @@
  * Signature: (IIIII[I)V
  */
 JNIEXPORT void JNICALL
 Java_sun_lwawt_macosx_CRobot_nativeGetScreenPixels
 (JNIEnv *env, jobject peer,
- jint x, jint y, jint width, jint height, jintArray pixels)
+ jint x, jint y, jint width, jint height, jdouble scale, jintArray pixels)
 {
     JNF_COCOA_ENTER(env);
 
     jint picX = x;
     jint picY = y;
     jint picWidth = width;
     jint picHeight = height;
 
-    CGRect screenRect = CGRectMake(picX, picY, picWidth, picHeight);
+    CGRect screenRect = CGRectMake(picX / scale, picY / scale,
+                                picWidth / scale, picHeight / scale);
     CGImageRef screenPixelsImage = CGWindowListCreateImage(screenRect,
                                         kCGWindowListOptionOnScreenOnly,
-                                        kCGNullWindowID, kCGWindowImageDefault);
+                                        kCGNullWindowID, kCGWindowImageBestResolution);
 
     if (screenPixelsImage == NULL) {
         return;
     }