1 /*
2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
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 import sun.awt.image.MultiResolutionToolkitImage;
25 import sun.java2d.SunGraphics2D;
26
27 import javax.swing.*;
28 import java.awt.*;
29 import java.awt.image.BufferedImage;
30
31 import static java.awt.event.InputEvent.BUTTON1_DOWN_MASK;
32
33 /**
34 * @test
35 * @bug 8076106
36 * @author Hendrik Schreiber
37 * @summary [macosx] Drag image of TransferHandler does not honor
38 * MultiResolutionImage
39 * @run main MultiResolutionDragImageTest TEST_DRAG
40 */
41 public class MultiResolutionDragImageTest {
42
43 private static final Color COLOR_1X = Color.BLUE;
44 private static final Color COLOR_2X = Color.RED;
45 private static JFrame frame;
46 private static JTextField field;
47 private static Point p;
48
49 public static void main(String[] args) throws Exception {
50
51 final String test = args[0];
52
53 switch (test) {
54 case "TEST_DRAG":
55 testDrag();
56 break;
57 default:
58 throw new RuntimeException("Unknown test: " + test);
59 }
60 }
61
62 private static void testDrag() throws Exception {
63
64
65 SwingUtilities.invokeAndWait(() -> {
66
67 frame = new JFrame();
68 field = new JTextField("Drag Me");
69 setupFrame(frame, field);
70 frame.setVisible(true);
71 });
72
73 final Robot robot = new Robot();
74 robot.setAutoDelay(500);
75 robot.setAutoWaitForIdle(true);
76 robot.waitForIdle();
77
78 // get mouse into position
79 SwingUtilities.invokeAndWait(() -> {
80
81 p = new Point(field.getWidth() / 2, field.getHeight() / 2);
82 SwingUtilities.convertPointToScreen(p, field);
83 });
84
85 robot.mouseMove(p.x, p.y);
86 // simulate dragging
87 robot.mousePress(BUTTON1_DOWN_MASK);
88 p.translate(10, 10);
89 robot.mouseMove(p.x, p.y);
90
91 p.translate(5, 5);
92 final Color color = robot.getPixelColor(p.x, p.y);
93 robot.mouseRelease(BUTTON1_DOWN_MASK);
94
95 SwingUtilities.invokeAndWait(frame::dispose);
96
97 final float scaleFactor = getScaleFactor();
98 final Color testColor = (1 < scaleFactor) ? COLOR_2X : COLOR_1X;
99
100 if (!similar(testColor, color)) {
101 throw new RuntimeException(
102 "TEST FAILED: Image with wrong resolution is used for drag image!");
103 }
104 System.out.println("TEST PASSED!");
105 }
106
107 private static void setupFrame(final JFrame frame, final JTextField field) {
108
109 frame.setBounds(0, 0, 50, 50);
110 frame.setLayout(new BorderLayout());
111 field.setDragEnabled(true);
112 final TransferHandler transferHandler = field.getTransferHandler();
113 transferHandler.setDragImage(createMultiResolutionImage());
114 frame.getContentPane().add(field, BorderLayout.CENTER);
115 }
116
117 private static boolean similar(Color c1, Color c2){
118 return similar(c1.getRed(), c2.getRed())
119 && similar(c1.getGreen(), c2.getGreen())
120 && similar(c1.getBlue(), c2.getBlue());
121 }
122
123 private static boolean similar(int n, int m){
124 return Math.abs(n - m) <= 50;
125 }
126
127 private static float getScaleFactor() {
128
129 final Dialog dialog = new Dialog((Window) null);
130 dialog.setSize(100, 100);
131 dialog.setModal(true);
132 final float[] scaleFactors = new float[1];
133 Panel panel = new Panel() {
134
135 @Override
136 public void paint(Graphics g) {
137 float scaleFactor = 1;
138 if (g instanceof SunGraphics2D) {
139 scaleFactor = ((SunGraphics2D) g).surfaceData.getDefaultScale();
140 }
141 scaleFactors[0] = scaleFactor;
142 dialog.setVisible(false);
143 }
144 };
145
146 dialog.add(panel);
147 dialog.setVisible(true);
148 dialog.dispose();
149
150 return scaleFactors[0];
151 }
152
153 private static Image createMultiResolutionImage() {
154
155 return new MultiResolutionToolkitImage(
156 createImage(50, COLOR_1X),
157 createImage(100, COLOR_2X)
158 );
159
160 }
161
162 private static Image createImage(final int length, final Color color) {
163
164 final BufferedImage image = new BufferedImage(length, length,
165 BufferedImage.TYPE_INT_ARGB_PRE);
166 final Graphics graphics = image.getGraphics();
167 graphics.setColor(color);
168 graphics.fillRect(0, 0, length, length);
169 graphics.dispose();
170 return image;
171 }
172 }