8150724: [TEST] HiDPI: create a test for multiresolution icons
authoravstepan
Mon, 14 Mar 2016 12:20:38 +0300
changeset 36876 a23844eb27b1
parent 36875 e49f14b66c89
child 36877 f4cb1a1ebfb4
8150724: [TEST] HiDPI: create a test for multiresolution icons Reviewed-by: alexsch, yan
jdk/test/java/awt/image/multiresolution/MultiresolutionIconTest.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/awt/image/multiresolution/MultiresolutionIconTest.java	Mon Mar 14 12:20:38 2016 +0300
@@ -0,0 +1,238 @@
+/*
+ * Copyright (c) 2016, 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.
+ */
+
+/*
+ * @test
+ * @bug 8150724 8151303
+ * @author a.stepanov
+ * @summary Check that correct resolution variants are chosen for icons
+ *          when multiresolution image is used for their construction.
+ *
+ * @requires (os.family != "mac")
+ *
+ * @library ../../../../lib/testlibrary/
+ * @build ExtendedRobot
+ * @run main/othervm/timeout=240 -Dsun.java2d.uiScale=1 MultiresolutionIconTest
+ * @run main/othervm/timeout=240 -Dsun.java2d.uiScale=2 MultiresolutionIconTest
+ */
+
+
+// TODO: please remove the "@requires" tag after 8151303 fix
+
+
+import java.awt.*;
+import java.awt.event.InputEvent;
+import java.awt.geom.AffineTransform;
+import java.awt.image.BaseMultiResolutionImage;
+import java.awt.image.BufferedImage;
+import javax.swing.*;
+
+public class MultiresolutionIconTest extends JFrame {
+
+    private final static int SZ = 100;
+    private final static int N = 5; // number of components
+
+    private final static String SCALE = "sun.java2d.uiScale";
+    private final static Color C1X = Color.RED;
+    private final static Color C2X = Color.BLUE;
+
+    private JLabel lbl;
+    private JTabbedPane tabbedPane;
+
+    private final ExtendedRobot r;
+
+    private static BufferedImage generateImage(int sz, Color c) {
+
+        BufferedImage img = new BufferedImage(sz, sz, BufferedImage.TYPE_INT_RGB);
+        Graphics g = img.getGraphics();
+        g.setColor(c);
+        g.fillRect(0, 0, sz, sz);
+        return img;
+    }
+
+    public MultiresolutionIconTest(UIManager.LookAndFeelInfo lf) throws Exception {
+
+        UIManager.setLookAndFeel(lf.getClassName());
+        r = new ExtendedRobot();
+        SwingUtilities.invokeAndWait(this::UI);
+    }
+
+    private void UI() {
+
+        setUndecorated(true);
+
+        BufferedImage img1x = generateImage(SZ / 2, C1X);
+        BufferedImage img2x = generateImage(SZ, C2X);
+        BaseMultiResolutionImage mri = new BaseMultiResolutionImage(
+            new BufferedImage[]{img1x, img2x});
+        Icon icon = new ImageIcon(mri);
+
+        // hardcoded icon size for OS X (Mac OS X L&F) - see JDK-8151060
+        BufferedImage tab1x = generateImage(16, C1X);
+        BufferedImage tab2x = generateImage(32, C2X);
+        BaseMultiResolutionImage tabMRI = new BaseMultiResolutionImage(
+            new BufferedImage[]{tab1x, tab2x});
+        Icon tabIcon = new ImageIcon(tabMRI);
+
+        setSize((N + 1) * SZ, SZ);
+        setLocation(50, 50);
+
+        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        getContentPane().setLayout(new GridLayout(1, 1));
+
+        JPanel p = new JPanel();
+        p.setLayout(new GridLayout(1, N));
+
+        JButton btn = new JButton(icon);
+        p.add(btn);
+
+        JToggleButton tbn = new JToggleButton(icon);
+        p.add(tbn);
+
+        JRadioButton rbn = new JRadioButton(icon);
+        rbn.setHorizontalAlignment(SwingConstants.CENTER);
+        p.add(rbn);
+
+        JCheckBox cbx = new JCheckBox(icon);
+        cbx.setHorizontalAlignment(SwingConstants.CENTER);
+        p.add(cbx);
+
+        lbl = new JLabel(icon);
+        p.add(lbl);
+
+        tabbedPane = new JTabbedPane(JTabbedPane.LEFT);
+        tabbedPane.addTab("", tabIcon, p);
+        getContentPane().add(tabbedPane);
+
+        setResizable(false);
+        setVisible(true);
+    }
+
+    private static boolean is2x() {
+
+        AffineTransform tr = GraphicsEnvironment.getLocalGraphicsEnvironment().
+            getDefaultScreenDevice().getDefaultConfiguration().
+            getDefaultTransform();
+        return (Math.min(tr.getScaleX(), tr.getScaleY()) > 1.001);
+    }
+
+    private boolean checkPressedColor(int x, int y, Color ok) {
+
+        r.mouseMove(x, y);
+        r.waitForIdle();
+        r.mousePress(InputEvent.BUTTON1_DOWN_MASK);
+        r.waitForIdle(100);
+        Color c = r.getPixelColor(x, y);
+        r.waitForIdle(100);
+        r.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
+        r.waitForIdle(100);
+        if (!c.equals(ok)) { return false; }
+        // check the icon's color hasn't changed
+        // after the mouse was released
+        c = r.getPixelColor(x, y);
+        return c.equals(ok);
+    }
+
+    private boolean checkTabIcon(
+        int xStart, int xEnd, int yStart, int yEnd, Color ok, Color nok) {
+
+        for (int y = yStart; y < yEnd; y += 2) {
+            for (int x = xStart; x < xEnd; x += 2) {
+                Color c = r.getPixelColor(x, y);
+                if (c.equals(nok)) { return false; }
+                else if (c.equals(ok)) {
+                    // shift a bit to avoid the selection effects
+                    return checkPressedColor(x + 5, y + 5, ok);
+                }
+            }
+        }
+
+        return false; // didn't find the icon
+    }
+
+
+    private void doTest() {
+
+        r.waitForIdle(2000);
+        String scale = System.getProperty(SCALE);
+        System.out.println("scale = " + scale);
+        Color
+            expected   = is2x() ? C2X : C1X,
+            unexpected = is2x() ? C1X : C2X;
+
+        Point p = lbl.getLocationOnScreen();
+        int x = p.x + lbl.getWidth() / 2;
+        int y = p.y + lbl.getHeight() / 2;
+        int w = lbl.getWidth();
+
+        boolean ok = true, curr;
+        Color c;
+        String components[] = new String[]{
+            "JLabel", "JCheckBox", "JRadioButton", "JToggleButton", "JButton"};
+        for (int i = 0; i < N; i++) {
+
+            curr = true;
+            int t = x - i * w;
+
+            // check icon color
+            c = r.getPixelColor(t, y);
+            System.out.print(components[i] + " icon: ");
+            if (!c.equals(expected)) {
+                curr = false;
+            } else {
+                // check icon color when mouse button pressed - see JDK-8151303
+                curr = checkPressedColor(t, y, expected);
+            }
+
+            System.out.println(curr ? "ok" : "nok");
+            ok = ok && curr;
+
+            r.waitForIdle();
+        }
+
+        int x0 = tabbedPane.getLocationOnScreen().x;
+        int x1 = x - ((N - 1) * w + w / 2);
+        int y0 = getLocationOnScreen().y;
+        int y1 = y0 + getHeight();
+        curr = checkTabIcon(x0, x1, y0, y1, expected, unexpected);
+
+        System.out.println("JTabbedPane icon: " + (curr ? "ok" : "nok"));
+        ok = ok && curr;
+
+        if (!ok) { throw new RuntimeException("test failed"); }
+
+        r.waitForIdle();
+        dispose();
+    }
+
+    public static void main(String[] args) throws Exception {
+
+        // TODO: remove is2x() check after JDK-8150844 fix
+        if (is2x() != "2".equals(System.getProperty(SCALE))) { return; }
+
+        for (UIManager.LookAndFeelInfo LF: UIManager.getInstalledLookAndFeels()) {
+            System.out.println("\nL&F: " + LF.getName());
+            (new MultiresolutionIconTest(LF)).doTest();
+        }
+    }
+}