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  * @summary SunGraphics2D.getDefaultTransform() does not include scale factor
  37  * @author Alexander Scherbatiy
  38  * @run main ScaledTransform
  39  */
  40 public class ScaledTransform {
  41 
  42     private static volatile boolean passed = false;
  43 
  44     public static void main(String[] args) {
  45         GraphicsEnvironment ge = GraphicsEnvironment.
  46                 getLocalGraphicsEnvironment();
  47 
  48         if (ge.isHeadlessInstance()) {
  49             return;
  50         }
  51 
  52         for (GraphicsDevice gd : ge.getScreenDevices()) {
  53             for (GraphicsConfiguration gc : gd.getConfigurations()) {
  54                 testScaleFactor(gc);
  55             }
  56         }
  57     }
  58 
  59     private static void testScaleFactor(final GraphicsConfiguration gc) {
  60         final Dialog dialog = new Dialog((Frame) null, "Test", true, gc);
  61 
  62         try {
  63             dialog.setSize(100, 100);
  64             Panel panel = new Panel() {
  65 
  66                 @Override
  67                 public void paint(Graphics g) {
  68                     if (g instanceof Graphics2D) {
  69                         AffineTransform gcTx = gc.getDefaultTransform();
  70                         AffineTransform gTx
  71                                 = ((Graphics2D) g).getTransform();
  72                         passed = gcTx.getScaleX() == gTx.getScaleX()
  73                                 && gcTx.getScaleY() == gTx.getScaleY();
  74                     } else {
  75                         passed = true;
  76                     }
  77                     dialog.setVisible(false);
  78                 }
  79             };
  80             dialog.add(panel);
  81             dialog.setVisible(true);
  82 
  83             if (!passed) {
  84                 throw new RuntimeException("Transform is not scaled!");
  85             }
  86         } finally {
  87             dialog.dispose();
  88         }
  89     }
  90 }