1 /*
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   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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   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 8150724 8151303
  27  * @author a.stepanov
  28  * @summary Check that correct resolution variants are chosen for icons
  29  *          when multiresolution image is used for their construction.
  30  *
  31  * @requires (os.family != "mac")
  32  *
  33  * @library ../../../../lib/testlibrary/
  34  * @build ExtendedRobot
  35  * @run main/othervm/timeout=240 -Dsun.java2d.uiScale=1 MultiresolutionIconTest
  36  * @run main/othervm/timeout=240 -Dsun.java2d.uiScale=2 MultiresolutionIconTest
  37  */
  38 
  39 
  40 // TODO: please remove the "@requires" tag after 8151303 fix
  41 
  42 
  43 import java.awt.*;
  44 import java.awt.event.InputEvent;
  45 import java.awt.geom.AffineTransform;
  46 import java.awt.image.BaseMultiResolutionImage;
  47 import java.awt.image.BufferedImage;
  48 import javax.swing.*;
  49 
  50 public class MultiresolutionIconTest extends JFrame {
  51 
  52     private final static int SZ = 100;
  53     private final static int N = 5; // number of components
  54 
  55     private final static String SCALE = "sun.java2d.uiScale";
  56     private final static Color C1X = Color.RED;
  57     private final static Color C2X = Color.BLUE;
  58 
  59     private JLabel lbl;
  60     private JTabbedPane tabbedPane;
  61 
  62     private final ExtendedRobot r;
  63 
  64     private static BufferedImage generateImage(int sz, Color c) {
  65 
  66         BufferedImage img = new BufferedImage(sz, sz, BufferedImage.TYPE_INT_RGB);
  67         Graphics g = img.getGraphics();
  68         g.setColor(c);
  69         g.fillRect(0, 0, sz, sz);
  70         return img;
  71     }
  72 
  73     public MultiresolutionIconTest(UIManager.LookAndFeelInfo lf) throws Exception {
  74 
  75         UIManager.setLookAndFeel(lf.getClassName());
  76         r = new ExtendedRobot();
  77         SwingUtilities.invokeAndWait(this::UI);
  78     }
  79 
  80     private void UI() {
  81 
  82         setUndecorated(true);
  83 
  84         BufferedImage img1x = generateImage(SZ / 2, C1X);
  85         BufferedImage img2x = generateImage(SZ, C2X);
  86         BaseMultiResolutionImage mri = new BaseMultiResolutionImage(
  87             new BufferedImage[]{img1x, img2x});
  88         Icon icon = new ImageIcon(mri);
  89 
  90         // hardcoded icon size for OS X (Mac OS X L&F) - see JDK-8151060
  91         BufferedImage tab1x = generateImage(16, C1X);
  92         BufferedImage tab2x = generateImage(32, C2X);
  93         BaseMultiResolutionImage tabMRI = new BaseMultiResolutionImage(
  94             new BufferedImage[]{tab1x, tab2x});
  95         Icon tabIcon = new ImageIcon(tabMRI);
  96 
  97         setSize((N + 1) * SZ, SZ);
  98         setLocation(50, 50);
  99 
 100         setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 101         getContentPane().setLayout(new GridLayout(1, 1));
 102 
 103         JPanel p = new JPanel();
 104         p.setLayout(new GridLayout(1, N));
 105 
 106         JButton btn = new JButton(icon);
 107         p.add(btn);
 108 
 109         JToggleButton tbn = new JToggleButton(icon);
 110         p.add(tbn);
 111 
 112         JRadioButton rbn = new JRadioButton(icon);
 113         rbn.setHorizontalAlignment(SwingConstants.CENTER);
 114         p.add(rbn);
 115 
 116         JCheckBox cbx = new JCheckBox(icon);
 117         cbx.setHorizontalAlignment(SwingConstants.CENTER);
 118         p.add(cbx);
 119 
 120         lbl = new JLabel(icon);
 121         p.add(lbl);
 122 
 123         tabbedPane = new JTabbedPane(JTabbedPane.LEFT);
 124         tabbedPane.addTab("", tabIcon, p);
 125         getContentPane().add(tabbedPane);
 126 
 127         setResizable(false);
 128         setVisible(true);
 129     }
 130 
 131     private static boolean is2x() {
 132 
 133         AffineTransform tr = GraphicsEnvironment.getLocalGraphicsEnvironment().
 134             getDefaultScreenDevice().getDefaultConfiguration().
 135             getDefaultTransform();
 136         return (Math.min(tr.getScaleX(), tr.getScaleY()) > 1.001);
 137     }
 138 
 139     private boolean checkPressedColor(int x, int y, Color ok) {
 140 
 141         r.mouseMove(x, y);
 142         r.waitForIdle();
 143         r.mousePress(InputEvent.BUTTON1_DOWN_MASK);
 144         r.waitForIdle(100);
 145         Color c = r.getPixelColor(x, y);
 146         r.waitForIdle(100);
 147         r.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
 148         r.waitForIdle(100);
 149         if (!c.equals(ok)) { return false; }
 150         // check the icon's color hasn't changed
 151         // after the mouse was released
 152         c = r.getPixelColor(x, y);
 153         return c.equals(ok);
 154     }
 155 
 156     private boolean checkTabIcon(
 157         int xStart, int xEnd, int yStart, int yEnd, Color ok, Color nok) {
 158 
 159         for (int y = yStart; y < yEnd; y += 2) {
 160             for (int x = xStart; x < xEnd; x += 2) {
 161                 Color c = r.getPixelColor(x, y);
 162                 if (c.equals(nok)) { return false; }
 163                 else if (c.equals(ok)) {
 164                     // shift a bit to avoid the selection effects
 165                     return checkPressedColor(x + 5, y + 5, ok);
 166                 }
 167             }
 168         }
 169 
 170         return false; // didn't find the icon
 171     }
 172 
 173 
 174     private void doTest() {
 175 
 176         r.waitForIdle(2000);
 177         String scale = System.getProperty(SCALE);
 178         System.out.println("scale = " + scale);
 179         Color
 180             expected   = is2x() ? C2X : C1X,
 181             unexpected = is2x() ? C1X : C2X;
 182 
 183         Point p = lbl.getLocationOnScreen();
 184         int x = p.x + lbl.getWidth() / 2;
 185         int y = p.y + lbl.getHeight() / 2;
 186         int w = lbl.getWidth();
 187 
 188         boolean ok = true, curr;
 189         Color c;
 190         String components[] = new String[]{
 191             "JLabel", "JCheckBox", "JRadioButton", "JToggleButton", "JButton"};
 192         for (int i = 0; i < N; i++) {
 193 
 194             curr = true;
 195             int t = x - i * w;
 196 
 197             // check icon color
 198             c = r.getPixelColor(t, y);
 199             System.out.print(components[i] + " icon: ");
 200             if (!c.equals(expected)) {
 201                 curr = false;
 202             } else {
 203                 // check icon color when mouse button pressed - see JDK-8151303
 204                 curr = checkPressedColor(t, y, expected);
 205             }
 206 
 207             System.out.println(curr ? "ok" : "nok");
 208             ok = ok && curr;
 209 
 210             r.waitForIdle();
 211         }
 212 
 213         int x0 = tabbedPane.getLocationOnScreen().x;
 214         int x1 = x - ((N - 1) * w + w / 2);
 215         int y0 = getLocationOnScreen().y;
 216         int y1 = y0 + getHeight();
 217         curr = checkTabIcon(x0, x1, y0, y1, expected, unexpected);
 218 
 219         System.out.println("JTabbedPane icon: " + (curr ? "ok" : "nok"));
 220         ok = ok && curr;
 221 
 222         if (!ok) { throw new RuntimeException("test failed"); }
 223 
 224         r.waitForIdle();
 225         dispose();
 226     }
 227 
 228     public static void main(String[] args) throws Exception {
 229 
 230         // TODO: remove is2x() check after JDK-8150844 fix
 231         if (is2x() != "2".equals(System.getProperty(SCALE))) { return; }
 232 
 233         for (UIManager.LookAndFeelInfo LF: UIManager.getInstalledLookAndFeels()) {
 234             System.out.println("\nL&F: " + LF.getName());
 235             (new MultiresolutionIconTest(LF)).doTest();
 236         }
 237     }
 238 }
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