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88 lines
2.9 KiB
88 lines
2.9 KiB
/* |
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* Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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/* @test |
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* @summary verify outline and stroking of underline match. |
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* @bug 6751616 |
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*/ |
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import java.awt.*; |
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import java.awt.font.*; |
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import java.awt.geom.*; |
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import java.awt.image.*; |
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import java.util.*; |
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public class UnderlinePositionTest { |
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public static void main(String[] args) { |
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BufferedImage bi = |
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new BufferedImage(600, 150, BufferedImage.TYPE_INT_RGB); |
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Graphics2D g2d = bi.createGraphics(); |
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g2d.setColor(Color.white); |
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g2d.fillRect(0, 0, 600, 150); |
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float x = 10; |
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float y = 90; |
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Map map = new HashMap(); |
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map.put(TextAttribute.UNDERLINE, TextAttribute.UNDERLINE_ON); |
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map.put(TextAttribute.SIZE, new Float(80)); |
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FontRenderContext frc = g2d.getFontRenderContext(); |
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// Use all spaces for the text so we know we are dealing |
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// only with pixels from the underline. |
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String text = " "; |
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TextLayout tl = new TextLayout(text, map, frc); |
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Shape outline = tl.getOutline(null); |
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Rectangle2D bounds = outline.getBounds(); |
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g2d.translate(x, y); |
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g2d.setColor(Color.RED); |
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tl.draw(g2d, 0, 0); |
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/* By getting the outline, then its bounds, then filling |
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* according to the same pixelisation rules, this ought to |
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* match the position of the original underline. If any |
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* red pixels are left, then the test will fail. |
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*/ |
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g2d.setColor(Color.BLUE); |
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g2d.fill(bounds); |
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g2d.dispose(); |
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checkBI(bi, Color.RED); |
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} |
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static void checkBI(BufferedImage bi, Color badColor) { |
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int badrgb = badColor.getRGB(); |
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int w = bi.getWidth(null); |
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int h = bi.getHeight(null); |
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for (int x=0; x<w; x++) { |
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for (int y=0; y<h; y++) { |
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int col = bi.getRGB(x, y); |
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if (col == badrgb) { |
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throw new RuntimeException("Got " + col); |
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} |
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} |
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} |
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} |
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}
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