1 /*
   2  * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 import java.awt.Dialog;
  24 import java.awt.Frame;
  25 import java.awt.Graphics;
  26 import java.awt.Graphics2D;
  27 import java.awt.GraphicsConfiguration;
  28 import java.awt.GraphicsDevice;
  29 import java.awt.GraphicsEnvironment;
  30 import java.awt.Panel;
  31 import java.awt.geom.AffineTransform;
  32 
  33 /*
  34  * @test
  35  * @bug 8069361
  36  * @key headful
  37  * @summary SunGraphics2D.getDefaultTransform() does not include scale factor
  38  * @author Alexander Scherbatiy
  39  * @run main ScaledTransform
  40  */
  41 public class ScaledTransform {
  42 
  43     private static volatile boolean passed = false;
  44 
  45     public static void main(String[] args) {
  46         GraphicsEnvironment ge = GraphicsEnvironment.
  47                 getLocalGraphicsEnvironment();
  48 
  49         if (ge.isHeadlessInstance()) {
  50             return;
  51         }
  52 
  53         for (GraphicsDevice gd : ge.getScreenDevices()) {
  54             for (GraphicsConfiguration gc : gd.getConfigurations()) {
  55                 testScaleFactor(gc);
  56             }
  57         }
  58     }
  59 
  60     private static void testScaleFactor(final GraphicsConfiguration gc) {
  61         final Dialog dialog = new Dialog((Frame) null, "Test", true, gc);
  62 
  63         try {
  64             dialog.setSize(100, 100);
  65             Panel panel = new Panel() {
  66 
  67                 @Override
  68                 public void paint(Graphics g) {
  69                     if (g instanceof Graphics2D) {
  70                         AffineTransform gcTx = gc.getDefaultTransform();
  71                         AffineTransform gTx
  72                                 = ((Graphics2D) g).getTransform();
  73                         passed = gcTx.getScaleX() == gTx.getScaleX()
  74                                 && gcTx.getScaleY() == gTx.getScaleY();
  75                     } else {
  76                         passed = true;
  77                     }
  78                     dialog.setVisible(false);
  79                 }
  80             };
  81             dialog.add(panel);
  82             dialog.setVisible(true);
  83 
  84             if (!passed) {
  85                 throw new RuntimeException("Transform is not scaled!");
  86             }
  87         } finally {
  88             dialog.dispose();
  89         }
  90     }
  91 }