2 * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
3 * Copyright (C) $$Year-Rel$$ The Jalview Authors
5 * This file is part of Jalview.
7 * Jalview is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation, either version 3
10 * of the License, or (at your option) any later version.
12 * Jalview is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty
14 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 * PURPOSE. See the GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
19 * The Jalview Authors are detailed in the 'AUTHORS' file.
23 import java.awt.Canvas;
25 import java.awt.FontMetrics;
27 import org.testng.annotations.Test;
29 public class FontChooserTest
33 * Not a real test as it runs no methods on FontChooser and makes no
34 * assertions, but this method writes to sysout the names of any (currently
35 * available, plain) fonts and point sizes that would be rejected by Jalview's
36 * FontChooser as having an I-width of less than 1.0.
38 @Test(groups = { "Functional" })
39 public void dumpInvalidFonts()
41 String[] fonts = java.awt.GraphicsEnvironment
42 .getLocalGraphicsEnvironment().getAvailableFontFamilyNames();
43 final Canvas canvas = new Canvas();
44 for (int pointSize = 1;; pointSize++)
46 System.out.println(System.lineSeparator()
47 + "Plain fonts with sub-pixel width at " + pointSize + "pt:");
50 System.out.println("All except:");
53 for (String fontname : fonts)
55 Font newFont = new Font(fontname, Font.PLAIN, pointSize);
56 FontMetrics fontm = canvas.getFontMetrics(newFont);
57 double iw = fontm.getStringBounds("I", null).getWidth();
58 final boolean tooSmall = iw < 1d;
63 if ((pointSize > 1 && tooSmall) || (pointSize == 1 && !tooSmall))
65 System.out.println(fontname);