1 /* 2 * Copyright (c) 2020, 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 * @bug 8240654 27 * @summary Test printing alpha colors - banded printing works with ZGC. 28 * @key headful printer 29 * @requires (os.family == "windows") 30 * @requires vm.gc.Z 31 * @run main/manual/othervm -XX:+UseZGC -Dsun.java2d.d3d=false AlphaPrintTest 32 */ 33 34 import java.awt.Color; 35 import java.awt.Dimension; 36 import java.awt.Frame; 37 import java.awt.Graphics; 38 import java.awt.Graphics2D; 39 import java.awt.GridLayout; 40 41 import java.awt.event.ActionEvent; 42 import java.awt.event.ActionListener; 43 44 import java.awt.print.PageFormat; 45 import java.awt.print.Printable; 46 import java.awt.print.PrinterException; 47 import java.awt.print.PrinterJob; 48 49 import javax.swing.JButton; 50 import javax.swing.JFrame; 51 import javax.swing.JPanel; 52 import javax.swing.JTextArea; 53 import javax.swing.SwingUtilities; 54 import javax.swing.WindowConstants; 55 56 public class AlphaPrintTest extends JPanel implements Printable { 57 58 static final int W=400, H=600; 59 60 static volatile JFrame frame = null; 61 static volatile AlphaPrintTest comp = null; 62 static Color color = Color.red; 63 static volatile boolean passed = false; 64 static volatile boolean printInvoked = false; 65 static volatile boolean done = false; 66 67 public static void main(String[] args) throws Exception { 68 69 SwingUtilities.invokeAndWait(() -> { 70 frame = new JFrame("Alpha Color Print Test"); 71 frame.setLayout(new GridLayout(1, 2)); 72 frame.add(comp = new AlphaPrintTest()); 73 frame.add(new InstructionPanel()); 74 frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); 75 frame.pack(); 76 frame.setVisible(true); 77 }); 78 79 while (!done || !printInvoked) { 80 Thread.sleep(1000); 81 } 82 83 SwingUtilities.invokeAndWait(() -> frame.dispose()); 84 85 if (!passed) { 86 throw new RuntimeException("Test failed."); 87 } 88 } 89 90 @Override 91 public Dimension getPreferredSize() { 92 return new Dimension(W, H); 93 } 94 95 96 @Override 97 public Dimension getMinimumSize() { 98 return getPreferredSize(); 99 } 100 101 @Override 102 protected void paintComponent(Graphics g) { 103 super.paintComponent(g); 104 paintContent(g); 105 }; 106 107 private void paintContent(Graphics g) { 108 Color c = new Color(255, 0, 0, 240); // not a solid color. 109 g.setColor(c); 110 g.drawLine(0, 0, W, H); 111 g.drawLine(W, 0, 0, H); 112 113 for (int i=10; i < 150; i+=10) { 114 g.drawRect(i, i, W-(i*2), H-(i*2)); 115 } 116 g.drawString("Alpha Paint Test", W/2-30, H/2); 117 } 118 119 public int print(Graphics g, PageFormat pf, int pageIndex) { 120 if (pageIndex == 0) { 121 Graphics2D g2d = (Graphics2D)g; 122 g2d.translate(pf.getImageableX(), pf.getImageableY()); 123 paintContent(g); 124 return Printable.PAGE_EXISTS; 125 } 126 return Printable.NO_SUCH_PAGE; 127 } 128 129 public void doPrint() { 130 printInvoked = true; 131 PrinterJob pj = PrinterJob.getPrinterJob(); 132 pj.setPrintable(this); 133 if (pj.printDialog()) { 134 try { 135 pj.print(); 136 } catch (PrinterException e) { 137 e.printStackTrace(); 138 done = true; 139 } 140 } 141 } 142 143 public void doClose(boolean pass) { 144 if (printInvoked) { 145 passed = pass; 146 done = true; 147 } 148 } 149 } 150 151 class InstructionPanel extends JPanel implements ActionListener { 152 153 static final String INSTRUCTIONS = 154 "You must have a printer to peform this test.\n" + 155 "Press the print button which will bring up a print dialog." + 156 "Select a suitable printer, and confirm to print. " + 157 "Examine the printed output. It should closely resemble the rendering in" + 158 " the panel to the left. If yes, press PASS, else press FAIL"; 159 160 InstructionPanel() { 161 GridLayout gl1 = new GridLayout(2, 1); 162 setLayout(gl1); 163 JTextArea ta = new JTextArea(INSTRUCTIONS); 164 ta.setEditable(false); 165 ta.setLineWrap(true); 166 ta.setWrapStyleWord(true); 167 add(ta); 168 JPanel p = new JPanel(); 169 JButton print = new JButton("Print"); 170 JButton pass = new JButton("PASS"); 171 JButton fail = new JButton("FAIL"); 172 print.addActionListener(this); 173 pass.addActionListener(this); 174 fail.addActionListener(this); 175 p.add(print); 176 p.add(pass); 177 p.add(fail); 178 add(p); 179 } 180 @Override 181 public Dimension getPreferredSize() { 182 return new Dimension(200, 600); 183 } 184 185 186 @Override 187 public Dimension getMinimumSize() { 188 return getPreferredSize(); 189 } 190 public void actionPerformed(ActionEvent e) { 191 String cmd = e.getActionCommand(); 192 switch (cmd) { 193 case "Print" -> AlphaPrintTest.comp.doPrint(); 194 case "PASS" -> AlphaPrintTest.comp.doClose(true); 195 case "FAIL" -> AlphaPrintTest.comp.doClose(false); 196 } 197 198 } 199 200 }