/* * Copyright (c) 2005, 2023, 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. */ import java.awt.AlphaComposite; import java.awt.BorderLayout; import java.awt.Color; import java.awt.Dimension; import java.awt.Font; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.RenderingHints; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.image.BufferedImage; import java.awt.image.IndexColorModel; import java.awt.image.WritableRaster; import java.io.File; import java.io.IOException; import javax.imageio.ImageIO; import javax.swing.Icon; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.SwingUtilities; import static java.awt.image.BufferedImage.TYPE_INT_ARGB; /* * @test * @bug 4987171 * @key headful * @summary GIF transparency in frame icons not work with Metacity/GNOME * @requires (os.family != "mac") * @library /java/awt/regtesthelpers * @build PassFailJFrame * @run main/manual IconTransparencyTest */ public class IconTransparencyTest { private static final String INSTRUCTIONS = "The icon of the frame and the resized icon in the label should be transparent.\n"+ "Transparency can be verified by checking if the background color (pink)\n"+ "is visible in and around icon within the JLabel.\n"+ " \n"+ "Press continue to view next icon (6 total).\n"+ "Icon might be presented as grayscale image.\n"+ " \n"+ "For the 3rd icon in JLabel, the 2nd vertical slot is transparent, hence\n"+ "the background color (pink) should be visible at the 2nd vertical slot.\n"+ " \n"+ "For the 4th icon in JLabel, the 5th vertical slot is transparent, hence\n"+ "the background color (pink) should be visible at the 5th vertical slot.\n"+ " \n"+ "Press Pass or Fail at the end of test.\n"; static class TestLabel extends JLabel { public void paint(Graphics g) { Dimension d = getSize(); g.setColor(Color.PINK); g.fillRect(0, 0, d.width, d.height); Icon icon = getIcon(); if (icon != null) { icon.paintIcon(this, g, 0, 0); } int iw = (icon != null) ? icon.getIconWidth() + 3 : 3; if (d.width - iw > 0) { g.setColor(Color.BLACK); g.drawString(getText(), iw, 16); } } } static class TestFrame implements ActionListener { static final int TEST_CNT = 6; int currTest = 0; static ImageIcon[] testIcon; TestLabel label; JButton button; static JFrame frame; final String[] testText = { "1st Icon: Size 16x16, GIF", "2nd Icon: Size 48x48, GIF", "3rd Icon: Size 64x64, GIF", "4th Icon: Size 64x64, GIF", "5th Icon: Size 64x64, PNG", "No Icon (system default)" }; TestFrame() throws IOException { generateIcon(16, "img_16.gif", 13, 15, 1, "gif"); generateIcon(48, "img_48.gif", 36, 40, 4, "gif"); generateIcon(64, "img_64.png", 50, 58, 4, "png"); // gif created with GREEN selected as transparent color index in IndexColorModel generateGIFWithIndexColorModel(64, "greenTransparent.gif", 1); // gif created with BLACK selected as transparent color index in IndexColorModel generateGIFWithIndexColorModel(64, "blackTransparent.gif", 4); testIcon = new ImageIcon[] { new ImageIcon("img_16.gif"), new ImageIcon("img_48.gif"), new ImageIcon("greenTransparent.gif"), new ImageIcon("blackTransparent.gif"), new ImageIcon("img_64.png"), null }; } public void createAndShowGUI() { frame = new JFrame(); //create hint label label = new TestLabel(); label.setVisible(true); frame.add(label, BorderLayout.WEST); //create button button = new JButton("Continue"); button.setVisible(true); button.addActionListener(this); frame.add(button, BorderLayout.EAST); //show first sample frame.setIconImage(testIcon[0].getImage()); label.setIcon(testIcon[0]); label.setText(testText[0]); frame.pack(); PassFailJFrame.addTestWindow(frame); PassFailJFrame.positionTestWindow(frame, PassFailJFrame.Position.HORIZONTAL); frame.setVisible(true); } public void actionPerformed(ActionEvent event) { currTest++; if (currTest < TEST_CNT) { if (testIcon[currTest] != null) { frame.setIconImage(testIcon[currTest].getImage()); } else { frame.setIconImage(null); } label.setIcon(testIcon[currTest]); label.setText(testText[currTest]); } else { button.setEnabled(false); button.setText("No more icons left."); } frame.revalidate(); frame.pack(); } } public static void main(String[] args) throws Exception { TestFrame testFrame = new TestFrame(); PassFailJFrame passFailJFrame = new PassFailJFrame("Icon Transparency " + "Test Instructions", INSTRUCTIONS, 5, 16, 46); SwingUtilities.invokeAndWait(testFrame::createAndShowGUI); passFailJFrame.awaitAndCheck(); } public static void generateIcon(int size, String filename, int fontSize, int yText, int lnHeight, String type) throws IOException { BufferedImage bImg = new BufferedImage(size, size, TYPE_INT_ARGB); Graphics2D g2d = bImg.createGraphics(); g2d.setComposite(AlphaComposite.Clear); g2d.fillRect(0, 0, size, size); g2d.setComposite(AlphaComposite.Src); g2d.setColor(Color.BLUE); g2d.fillRect(0, 0, size, lnHeight); g2d.setColor(Color.GREEN); g2d.fillRect(0, lnHeight * 2, size, lnHeight); g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_OFF); g2d.setFont(new Font("Dialog", Font.PLAIN, fontSize)); g2d.setColor(Color.RED); g2d.drawString("TR", 0, yText); g2d.dispose(); ImageIO.write(bImg, type, new File(filename)); } protected static void generateGIFWithIndexColorModel(int size, String filename, int transparentColorIndex) throws IOException { IndexColorModel icm = createIndexedBitmaskColorModel(transparentColorIndex); BufferedImage img = new BufferedImage(size, size, BufferedImage.TYPE_BYTE_INDEXED, icm); int mapSize = icm.getMapSize(); int width = 64 / mapSize; WritableRaster wr = img.getRaster(); for (int i = 0; i < mapSize; i++) { for (int y = 0; y < 64; y++) { for (int x = 0; x < width; x++) { wr.setSample(i * width + x, y, 0, i); } } } ImageIO.write(img, "gif", new File(filename)); } protected static IndexColorModel createIndexedBitmaskColorModel(int transparentColorIndex) { int paletteSize = 8; byte[] red = new byte[paletteSize]; byte[] green = new byte[paletteSize]; byte[] blue = new byte[paletteSize]; red[0] = (byte)0xff; green[0] = (byte)0x00; blue[0] = (byte)0x00; //red red[1] = (byte)0x00; green[1] = (byte)0xff; blue[1] = (byte)0x00; //green red[2] = (byte)0x00; green[2] = (byte)0x00; blue[2] = (byte)0xff; //blue red[3] = (byte)0xff; green[3] = (byte)0xff; blue[3] = (byte)0xff; //white red[4] = (byte)0x00; green[4] = (byte)0x00; blue[4] = (byte)0x00; //black red[5] = (byte)0x80; green[5] = (byte)0x80; blue[5] = (byte)0x80; //grey red[6] = (byte)0xff; green[6] = (byte)0xff; blue[6] = (byte)0x00; //yellow red[7] = (byte)0x00; green[7] = (byte)0xff; blue[7] = (byte)0xff; //cyan int numBits = 3; return new IndexColorModel(numBits, paletteSize, red, green, blue, transparentColorIndex); } }