| /* |
| * Copyright (c) 2008, 2011, 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 6686365 7017637 |
| @summary Confirm that styling does not affect metrics of zero advance glyphs |
| */ |
| |
| import java.awt.*; |
| import java.awt.image.*; |
| |
| public class BoldSpace { |
| public static void main(String[] s) { |
| BufferedImage bi = new BufferedImage(100, 100, BufferedImage.TYPE_INT_ARGB); |
| |
| String errMsg = "ZWJ Space char should have 0 advance\n"; |
| |
| Graphics g = bi.getGraphics(); |
| |
| // It turns out that some fonts inexplicably treat this as |
| // a standard character. In this 14 pt font, if we see an advance |
| // that's clearly bigger than we'd have introduced in bolding we'll |
| // not error out this test, presuming that its a consequence of |
| // the actual font data. A Linux font 'TLwg Type Bold' is the case |
| // in point. |
| int errorMargin = 4; |
| g.setFont(new Font("monospaced", Font.BOLD, 14)); |
| //g.setFont(new Font("Lucida Sans Regular", Font.BOLD, 14)); |
| FontMetrics fm = g.getFontMetrics(); |
| System.out.println("Bold: " + fm.charWidth('\u200b')); |
| int cwid = fm.charWidth('\u200b'); |
| if (cwid > 0 && cwid < errorMargin) { |
| throw new RuntimeException(errMsg); |
| } |
| |
| ((Graphics2D)g).setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, |
| RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB); |
| fm = g.getFontMetrics(); |
| System.out.println("Bold + LCD: "+fm.charWidth('\u200b')); |
| cwid = fm.charWidth('\u200b'); |
| if (cwid > 0 && cwid < errorMargin) { |
| throw new RuntimeException(errMsg); |
| } |
| |
| |
| ((Graphics2D)g).setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, |
| RenderingHints.VALUE_FRACTIONALMETRICS_ON); |
| ((Graphics2D)g).setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, |
| RenderingHints.VALUE_TEXT_ANTIALIAS_ON); |
| fm = g.getFontMetrics(); |
| System.out.println("Bold FM OFF + AA: " + fm.charWidth('\u200b')); |
| cwid = fm.charWidth('\u200b'); |
| if (cwid > 0 && cwid < errorMargin) { |
| throw new RuntimeException(errMsg); |
| } |
| |
| ((Graphics2D)g).setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, |
| RenderingHints.VALUE_FRACTIONALMETRICS_OFF); |
| ((Graphics2D)g).setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, |
| RenderingHints.VALUE_TEXT_ANTIALIAS_ON); |
| fm = g.getFontMetrics(); |
| System.out.println("Bold FM ON + AA: " + fm.charWidth('\u200b')); |
| cwid = fm.charWidth('\u200b'); |
| if (cwid > 0 && cwid < errorMargin) { |
| throw new RuntimeException(errMsg); |
| } |
| |
| ((Graphics2D)g).setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, |
| RenderingHints.VALUE_FRACTIONALMETRICS_ON); |
| ((Graphics2D)g).setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, |
| RenderingHints.VALUE_TEXT_ANTIALIAS_OFF); |
| fm = g.getFontMetrics(); |
| System.out.println("Bold FM ON + nonAA: " + fm.charWidth('\u200b')); |
| cwid = fm.charWidth('\u200b'); |
| if (cwid > 0 && cwid < errorMargin) { |
| throw new RuntimeException(errMsg); |
| } |
| |
| System.out.println("All printed values should be 0 to PASS"); |
| } |
| } |