| /* |
| * 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); |
| } |
| } |