155 lines
4.9 KiB
Java
155 lines
4.9 KiB
Java
/*
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* Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import sun.awt.image.MultiResolutionToolkitImage;
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import javax.swing.*;
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import java.awt.*;
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import java.awt.image.BufferedImage;
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import static java.awt.event.InputEvent.BUTTON1_DOWN_MASK;
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/**
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* @test
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* @key headful
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* @bug 8076106
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* @author Hendrik Schreiber
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* @summary [macosx] Drag image of TransferHandler does not honor
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* MultiResolutionImage
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* @modules java.desktop/sun.awt.image
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* @run main MultiResolutionDragImageTest TEST_DRAG
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*/
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public class MultiResolutionDragImageTest {
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private static final Color COLOR_1X = Color.BLUE;
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private static final Color COLOR_2X = Color.RED;
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private static JFrame frame;
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private static JTextField field;
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private static Point p;
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public static void main(String[] args) throws Exception {
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final String test = args[0];
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switch (test) {
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case "TEST_DRAG":
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testDrag();
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break;
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default:
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throw new RuntimeException("Unknown test: " + test);
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}
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}
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private static void testDrag() throws Exception {
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SwingUtilities.invokeAndWait(() -> {
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frame = new JFrame();
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field = new JTextField("Drag Me");
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setupFrame(frame, field);
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frame.setVisible(true);
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});
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final Robot robot = new Robot();
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robot.setAutoDelay(500);
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robot.setAutoWaitForIdle(true);
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robot.waitForIdle();
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// get mouse into position
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SwingUtilities.invokeAndWait(() -> {
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p = new Point(field.getWidth() / 2, field.getHeight() / 2);
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SwingUtilities.convertPointToScreen(p, field);
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});
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robot.mouseMove(p.x, p.y);
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// simulate dragging
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robot.mousePress(BUTTON1_DOWN_MASK);
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p.translate(10, 10);
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robot.mouseMove(p.x, p.y);
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p.translate(5, 5);
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final Color color = robot.getPixelColor(p.x, p.y);
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robot.mouseRelease(BUTTON1_DOWN_MASK);
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SwingUtilities.invokeAndWait(frame::dispose);
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final float scaleFactor = getScaleFactor();
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final Color testColor = (1 < scaleFactor) ? COLOR_2X : COLOR_1X;
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if (!similar(testColor, color)) {
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throw new RuntimeException(
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"TEST FAILED: Image with wrong resolution is used for drag image!");
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}
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System.out.println("TEST PASSED!");
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}
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private static void setupFrame(final JFrame frame, final JTextField field) {
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frame.setBounds(0, 0, 50, 50);
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frame.setLayout(new BorderLayout());
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field.setDragEnabled(true);
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final TransferHandler transferHandler = field.getTransferHandler();
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transferHandler.setDragImage(createMultiResolutionImage());
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frame.getContentPane().add(field, BorderLayout.CENTER);
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}
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private static boolean similar(Color c1, Color c2){
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return similar(c1.getRed(), c2.getRed())
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&& similar(c1.getGreen(), c2.getGreen())
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&& similar(c1.getBlue(), c2.getBlue());
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}
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private static boolean similar(int n, int m){
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return Math.abs(n - m) <= 50;
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}
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static float getScaleFactor() {
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return (float) GraphicsEnvironment.
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getLocalGraphicsEnvironment().
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getDefaultScreenDevice().getDefaultConfiguration().
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getDefaultTransform().getScaleX();
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}
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private static Image createMultiResolutionImage() {
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return new MultiResolutionToolkitImage(
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createImage(50, COLOR_1X),
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createImage(100, COLOR_2X)
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);
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}
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private static Image createImage(final int length, final Color color) {
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final BufferedImage image = new BufferedImage(length, length,
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BufferedImage.TYPE_INT_ARGB_PRE);
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final Graphics graphics = image.getGraphics();
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graphics.setColor(color);
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graphics.fillRect(0, 0, length, length);
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graphics.dispose();
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return image;
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}
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}
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