changeset 50546:9a36de1df5db

8154463: New failure of closed/java/awt/font/Outline/OutlineInvarianceTest.java Reviewed-by: serb
author prr
date Wed, 02 May 2018 13:23:34 -0700
parents 93cb8fb7a843
children 3a384c83c756
files test/jdk/java/awt/font/Outline/OutlineInvarianceTest.java
diffstat 1 files changed, 110 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/awt/font/Outline/OutlineInvarianceTest.java	Wed May 02 13:23:34 2018 -0700
@@ -0,0 +1,110 @@
+/*
+ * Copyright (c) 2005, 2018, 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.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 5027379 8154463
+ * @summary This test verifies that outlines are the same for AA and B&W text
+ */
+
+
+import java.awt.*;
+import java.awt.font.*;
+import java.awt.geom.*;
+import java.awt.image.*;
+
+public class OutlineInvarianceTest {
+
+    private static Shape getOutline(Font font, String str, boolean isAA) {
+        BufferedImage img = new BufferedImage(400, 400, BufferedImage.TYPE_INT_ARGB);
+
+        Graphics2D gc = (Graphics2D) img.getGraphics();
+
+        if (isAA) {
+            gc.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
+        } else {
+            gc.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_OFF);
+        }
+
+        FontRenderContext frc = gc.getFontRenderContext();
+        GlyphVector gv;
+        gv = font.layoutGlyphVector(frc, str.toCharArray(), 0, str.length(), 0);
+
+        return gv.getOutline();
+    }
+
+   private static boolean compareShapes(Shape s1, Shape s2) {
+       if (s1 == null || s2 == null)
+           return false;
+
+       PathIterator p1 = s1.getPathIterator(null);
+       float coords1[] = {0f, 0f, 0f, 0f, 0f, 0f};
+
+       PathIterator p2 = s2.getPathIterator(null);
+       float coords2[] = {0f, 0f, 0f, 0f, 0f, 0f};
+
+       while (!p1.isDone() || !p2.isDone()) {
+           if (p1.currentSegment(coords1) != p2.currentSegment(coords2)) {
+               System.err.println("Types of segment are different");
+               return false;
+           }
+
+           for (int i=0; i<6; i++)
+               if (coords1[i] != coords2[i]) {
+                   System.err.println("Coordinate "+i+" are different");
+                   return false;
+               }
+
+           p1.next();
+           p2.next();
+      }
+
+      if (!(p1.isDone() && p2.isDone())) {
+          System.err.println("Length of paths are different");
+      }
+
+      return (p1.isDone() && p2.isDone());
+   }
+
+   private static void testFont(String family, float sz, String testStr) throws Exception {
+       Font f = new Font(family, Font.PLAIN, 1);
+
+       for(int style=1; style<4; style++) {
+           f = f.deriveFont(Font.BOLD, sz);
+
+           Shape s1 = getOutline(f, testStr, false);
+           Shape s2 = getOutline(f, testStr, true);
+
+           if (!compareShapes(s1, s2))
+               throw new Exception("Failed for font " + f);
+       }
+   }
+
+   public static void main(String[] arg) throws Exception {
+       String testStr = "0123456789";
+
+       testFont("MS Gothic", 30.0f, testStr);
+       testFont("MS Gothic", 12.0f, testStr);
+       testFont("MS Gothic",  7.0f, testStr);
+   }
+}