| /* |
| * Copyright (c) 2015, 2017, 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 sun.awt.image.MultiResolutionToolkitImage; |
| |
| import javax.swing.*; |
| import java.awt.*; |
| import java.awt.image.BufferedImage; |
| |
| import static java.awt.event.InputEvent.BUTTON1_DOWN_MASK; |
| |
| /** |
| * @test |
| * @key headful |
| * @bug 8076106 |
| * @author Hendrik Schreiber |
| * @summary [macosx] Drag image of TransferHandler does not honor |
| * MultiResolutionImage |
| * @modules java.desktop/sun.awt.image |
| * @run main MultiResolutionDragImageTest TEST_DRAG |
| */ |
| public class MultiResolutionDragImageTest { |
| |
| private static final Color COLOR_1X = Color.BLUE; |
| private static final Color COLOR_2X = Color.RED; |
| private static JFrame frame; |
| private static JTextField field; |
| private static Point p; |
| |
| public static void main(String[] args) throws Exception { |
| |
| final String test = args[0]; |
| |
| switch (test) { |
| case "TEST_DRAG": |
| testDrag(); |
| break; |
| default: |
| throw new RuntimeException("Unknown test: " + test); |
| } |
| } |
| |
| private static void testDrag() throws Exception { |
| |
| |
| SwingUtilities.invokeAndWait(() -> { |
| |
| frame = new JFrame(); |
| field = new JTextField("Drag Me"); |
| setupFrame(frame, field); |
| frame.setVisible(true); |
| }); |
| |
| final Robot robot = new Robot(); |
| robot.setAutoDelay(500); |
| robot.setAutoWaitForIdle(true); |
| robot.waitForIdle(); |
| |
| // get mouse into position |
| SwingUtilities.invokeAndWait(() -> { |
| |
| p = new Point(field.getWidth() / 2, field.getHeight() / 2); |
| SwingUtilities.convertPointToScreen(p, field); |
| }); |
| |
| robot.mouseMove(p.x, p.y); |
| // simulate dragging |
| robot.mousePress(BUTTON1_DOWN_MASK); |
| p.translate(10, 10); |
| robot.mouseMove(p.x, p.y); |
| |
| p.translate(5, 5); |
| final Color color = robot.getPixelColor(p.x, p.y); |
| robot.mouseRelease(BUTTON1_DOWN_MASK); |
| |
| SwingUtilities.invokeAndWait(frame::dispose); |
| |
| final float scaleFactor = getScaleFactor(); |
| final Color testColor = (1 < scaleFactor) ? COLOR_2X : COLOR_1X; |
| |
| if (!similar(testColor, color)) { |
| throw new RuntimeException( |
| "TEST FAILED: Image with wrong resolution is used for drag image!"); |
| } |
| System.out.println("TEST PASSED!"); |
| } |
| |
| private static void setupFrame(final JFrame frame, final JTextField field) { |
| |
| frame.setBounds(0, 0, 50, 50); |
| frame.setLayout(new BorderLayout()); |
| field.setDragEnabled(true); |
| final TransferHandler transferHandler = field.getTransferHandler(); |
| transferHandler.setDragImage(createMultiResolutionImage()); |
| frame.getContentPane().add(field, BorderLayout.CENTER); |
| } |
| |
| private static boolean similar(Color c1, Color c2){ |
| return similar(c1.getRed(), c2.getRed()) |
| && similar(c1.getGreen(), c2.getGreen()) |
| && similar(c1.getBlue(), c2.getBlue()); |
| } |
| |
| private static boolean similar(int n, int m){ |
| return Math.abs(n - m) <= 50; |
| } |
| |
| static float getScaleFactor() { |
| return (float) GraphicsEnvironment. |
| getLocalGraphicsEnvironment(). |
| getDefaultScreenDevice().getDefaultConfiguration(). |
| getDefaultTransform().getScaleX(); |
| } |
| |
| private static Image createMultiResolutionImage() { |
| |
| return new MultiResolutionToolkitImage( |
| createImage(50, COLOR_1X), |
| createImage(100, COLOR_2X) |
| ); |
| |
| } |
| |
| private static Image createImage(final int length, final Color color) { |
| |
| final BufferedImage image = new BufferedImage(length, length, |
| BufferedImage.TYPE_INT_ARGB_PRE); |
| final Graphics graphics = image.getGraphics(); |
| graphics.setColor(color); |
| graphics.fillRect(0, 0, length, length); |
| graphics.dispose(); |
| return image; |
| } |
| } |