| /* |
| * Copyright (c) 2008, 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 |
| * @summary verify outline and stroking of underline match. |
| * @bug 6751616 |
| */ |
| |
| import java.awt.*; |
| import java.awt.font.*; |
| import java.awt.geom.*; |
| import java.awt.image.*; |
| import java.util.*; |
| |
| public class UnderlinePositionTest { |
| |
| public static void main(String[] args) { |
| BufferedImage bi = |
| new BufferedImage(600, 150, BufferedImage.TYPE_INT_RGB); |
| Graphics2D g2d = bi.createGraphics(); |
| g2d.setColor(Color.white); |
| g2d.fillRect(0, 0, 600, 150); |
| |
| float x = 10; |
| float y = 90; |
| Map map = new HashMap(); |
| map.put(TextAttribute.UNDERLINE, TextAttribute.UNDERLINE_ON); |
| map.put(TextAttribute.SIZE, new Float(80)); |
| |
| FontRenderContext frc = g2d.getFontRenderContext(); |
| |
| // Use all spaces for the text so we know we are dealing |
| // only with pixels from the underline. |
| String text = " "; |
| TextLayout tl = new TextLayout(text, map, frc); |
| Shape outline = tl.getOutline(null); |
| Rectangle2D bounds = outline.getBounds(); |
| |
| g2d.translate(x, y); |
| g2d.setColor(Color.RED); |
| tl.draw(g2d, 0, 0); |
| |
| /* By getting the outline, then its bounds, then filling |
| * according to the same pixelisation rules, this ought to |
| * match the position of the original underline. If any |
| * red pixels are left, then the test will fail. |
| */ |
| g2d.setColor(Color.BLUE); |
| g2d.fill(bounds); |
| g2d.dispose(); |
| |
| checkBI(bi, Color.RED); |
| } |
| |
| static void checkBI(BufferedImage bi, Color badColor) { |
| int badrgb = badColor.getRGB(); |
| int w = bi.getWidth(null); |
| int h = bi.getHeight(null); |
| for (int x=0; x<w; x++) { |
| for (int y=0; y<h; y++) { |
| int col = bi.getRGB(x, y); |
| if (col == badrgb) { |
| throw new RuntimeException("Got " + col); |
| } |
| } |
| } |
| } |
| } |