1 /* 2 * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /** 25 @test 26 @summary Simple test for using derivedFonts 27 @summary com.apple.junit.java.awt.Font; 28 @run main FractionalFont01 29 */ 30 31 import junit.framework.*; 32 33 import javax.swing.*; 34 import java.awt.*; 35 import java.awt.font.GlyphVector; 36 37 public class FractionalFont01 extends TestCase { 38 static final int numSizes = 10; 39 volatile boolean painted = false; 40 volatile float[] sizes = new float[numSizes]; 41 42 public static Test suite() { 43 return new TestSuite(FractionalFont01.class); 44 } 45 46 public static void main (String[] args) throws RuntimeException { 47 String name = System.getProperty("os.name"); 48 if (name.equals("Mac OS X")) { 49 // This test uses a font that may not exist on other platforms 50 TestResult tr = junit.textui.TestRunner.run(suite()); 51 if((tr.errorCount() != 0) || (tr.failureCount() != 0)) { 52 throw new RuntimeException("### Unexpected JUnit errors or failures."); 53 } 54 } 55 } 56 57 public void testFractionalMetrics() throws Exception { 58 JFrame f = new JFrame("FontTest"); 59 // front and center 60 f.setLocation(f.getToolkit().getScreenSize().width / 4, f.getToolkit().getScreenSize().height / 4); 61 f.setSize(new Dimension(f.getToolkit().getScreenSize().width / 2, f.getToolkit().getScreenSize().height / 2)); 62 63 try { 64 f.getContentPane().setLayout(new BorderLayout()); 65 FontTestPanel fontC = new FontTestPanel(); 66 fontC.setBackground(Color.white); 67 f.getContentPane().add(BorderLayout.CENTER, fontC); 68 f.setVisible(true); 69 70 // wait for a paint call 71 int count = 0; 72 while (painted == false && count < 10) { 73 Thread.sleep(500); 74 count += 1; 75 } 76 77 assertTrue("Should have painted by now", painted); 78 // loop through the sizes and confirm that each is larger than the last 79 for (int i = 1; i < numSizes; i++) { 80 assertTrue("Expected a non-zero size string", sizes[i] > 0); 81 assertTrue("Expected a wider string when using a wider fractional font", sizes[i] > sizes[i - 1]); 82 } 83 } finally { 84 f.dispose(); 85 } 86 } 87 88 class FontTestPanel extends Canvas { 89 Font thisFont; 90 91 public FontTestPanel() { 92 thisFont = new Font("Arial", Font.PLAIN, 12); 93 thisFont = thisFont.deriveFont(Font.PLAIN, 12.5f); 94 } 95 96 public void paint(Graphics g) { 97 super.paint(g); 98 Graphics2D g2 = (Graphics2D) g; 99 g2.setColor(Color.blue); 100 g2.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON); 101 int x = 10; 102 int y = 20; 103 float currY = y; 104 for (int i = 0; i < numSizes; i++) { 105 float fontSize = 12f + (float) i / 10; 106 currY += fontSize + 5; 107 String fullText = "Text width with " + fontSize + " pixel font = "; 108 109 thisFont = thisFont.deriveFont(Font.PLAIN, fontSize); 110 GlyphVector msg = thisFont.createGlyphVector(g2.getFontRenderContext(), fullText); 111 g2.drawGlyphVector(msg, x, currY); 112 113 float width = (float) msg.getLogicalBounds().getBounds2D().getWidth(); 114 msg = thisFont.createGlyphVector(g2.getFontRenderContext(), Float.toString(width)); 115 g2.drawGlyphVector(msg, x + width, currY); 116 sizes[i] = width; 117 painted = true; 118 } 119 } 120 } 121 }