1 /*
   2  * Copyright (c) 2003, 2017, 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 
  24 import java.awt.BasicStroke;
  25 import java.awt.Color;
  26 import java.awt.Graphics2D;
  27 import java.awt.GraphicsConfiguration;
  28 import java.awt.GraphicsEnvironment;
  29 import java.awt.Image;
  30 import java.awt.geom.Line2D;
  31 import java.awt.image.BufferedImage;

  32 import java.awt.image.VolatileImage;
  33 
  34 import static java.awt.image.BufferedImage.TYPE_INT_ARGB;
  35 
  36 /**
  37  * @test
  38  * @bug 4917097 8019816
  39  * @summary 1.4.1 REGRESSION: BasicStroke Dashes don't show when scale * line width = 1.0
  40  * @run main/othervm -Dsun.java2d.uiScale=1 DashScaleMinWidth
  41  */
  42 public final class DashScaleMinWidth  {
  43 
  44     public static void main(final String[] args) {
  45         BufferedImage img = new BufferedImage(200, 40, TYPE_INT_ARGB);
  46         draw(img);
  47         validate(img);
  48 
  49         if (GraphicsEnvironment.isHeadless()) {
  50             return;
  51         }
  52 
  53         GraphicsConfiguration gc =
  54                 GraphicsEnvironment.getLocalGraphicsEnvironment()
  55                         .getDefaultScreenDevice().getDefaultConfiguration();



  56 
  57         VolatileImage vi = gc.createCompatibleVolatileImage(200, 40);
  58         BufferedImage snapshot;
  59         int attempt = 0;
  60         while (true) {
  61             if (++attempt > 10) {
  62                 throw new RuntimeException("Too many attempts: " + attempt);
  63             }
  64             vi.validate(gc);
  65             draw(vi);
  66             snapshot = vi.getSnapshot();
  67             if (!vi.contentsLost()) {
  68                 break;
  69             }
  70         }
  71         validate(snapshot);
  72     }
  73 
  74     private static void draw(final Image img) {
  75         float[] dashes = {200.0f, 200.0f};

   1 /*
   2  * Copyright (c) 2003, 2019, 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 
  24 import java.awt.BasicStroke;
  25 import java.awt.Color;
  26 import java.awt.Graphics2D;
  27 import java.awt.GraphicsConfiguration;
  28 import java.awt.GraphicsEnvironment;
  29 import java.awt.Image;
  30 import java.awt.geom.Line2D;
  31 import java.awt.image.BufferedImage;
  32 import java.awt.image.IndexColorModel;
  33 import java.awt.image.VolatileImage;
  34 
  35 import static java.awt.image.BufferedImage.TYPE_INT_ARGB;
  36 
  37 /**
  38  * @test
  39  * @bug 4917097 8019816 8198411
  40  * @summary 1.4.1 REGRESSION: BasicStroke Dashes don't show when scale * line width = 1.0
  41  * @run main/othervm -Dsun.java2d.uiScale=1 DashScaleMinWidth
  42  */
  43 public final class DashScaleMinWidth  {
  44 
  45     public static void main(final String[] args) {
  46         BufferedImage img = new BufferedImage(200, 40, TYPE_INT_ARGB);
  47         draw(img);
  48         validate(img);
  49 
  50         if (GraphicsEnvironment.isHeadless()) {
  51             return;
  52         }
  53 
  54         GraphicsConfiguration gc =
  55                 GraphicsEnvironment.getLocalGraphicsEnvironment()
  56                         .getDefaultScreenDevice().getDefaultConfiguration();
  57         if (gc.getColorModel() instanceof IndexColorModel) {
  58             return;
  59         }
  60 
  61         VolatileImage vi = gc.createCompatibleVolatileImage(200, 40);
  62         BufferedImage snapshot;
  63         int attempt = 0;
  64         while (true) {
  65             if (++attempt > 10) {
  66                 throw new RuntimeException("Too many attempts: " + attempt);
  67             }
  68             vi.validate(gc);
  69             draw(vi);
  70             snapshot = vi.getSnapshot();
  71             if (!vi.contentsLost()) {
  72                 break;
  73             }
  74         }
  75         validate(snapshot);
  76     }
  77 
  78     private static void draw(final Image img) {
  79         float[] dashes = {200.0f, 200.0f};