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 * @modules java.desktop/sun.awt.image
40 * java.desktop/sun.java2d
41 * @run main MultiResolutionDragImageTest TEST_DRAG
42 */
43 public class MultiResolutionDragImageTest {
44
45 private static final Color COLOR_1X = Color.BLUE;
46 private static final Color COLOR_2X = Color.RED;
47 private static JFrame frame;
48 private static JTextField field;
49 private static Point p;
50
51 public static void main(String[] args) throws Exception {
52
53 final String test = args[0];
54
55 switch (test) {
56 case "TEST_DRAG":
57 testDrag();
58 break;
59 default:
60 throw new RuntimeException("Unknown test: " + test);
61 }
62 }
63
64 private static void testDrag() throws Exception {
65
66
67 SwingUtilities.invokeAndWait(() -> {
68
69 frame = new JFrame();
70 field = new JTextField("Drag Me");
71 setupFrame(frame, field);
72 frame.setVisible(true);
73 });
74
75 final Robot robot = new Robot();
76 robot.setAutoDelay(500);
77 robot.setAutoWaitForIdle(true);
78 robot.waitForIdle();
79
80 // get mouse into position
81 SwingUtilities.invokeAndWait(() -> {
82
83 p = new Point(field.getWidth() / 2, field.getHeight() / 2);
84 SwingUtilities.convertPointToScreen(p, field);
85 });
86
87 robot.mouseMove(p.x, p.y);
88 // simulate dragging
89 robot.mousePress(BUTTON1_DOWN_MASK);
90 p.translate(10, 10);
91 robot.mouseMove(p.x, p.y);
92
93 p.translate(5, 5);
94 final Color color = robot.getPixelColor(p.x, p.y);
95 robot.mouseRelease(BUTTON1_DOWN_MASK);
96
97 SwingUtilities.invokeAndWait(frame::dispose);
98
99 final float scaleFactor = getScaleFactor();
100 final Color testColor = (1 < scaleFactor) ? COLOR_2X : COLOR_1X;
101
102 if (!similar(testColor, color)) {
103 throw new RuntimeException(
104 "TEST FAILED: Image with wrong resolution is used for drag image!");
105 }
106 System.out.println("TEST PASSED!");
107 }
108
109 private static void setupFrame(final JFrame frame, final JTextField field) {
110
111 frame.setBounds(0, 0, 50, 50);
112 frame.setLayout(new BorderLayout());
113 field.setDragEnabled(true);
114 final TransferHandler transferHandler = field.getTransferHandler();
115 transferHandler.setDragImage(createMultiResolutionImage());
116 frame.getContentPane().add(field, BorderLayout.CENTER);
117 }
118
119 private static boolean similar(Color c1, Color c2){
120 return similar(c1.getRed(), c2.getRed())
121 && similar(c1.getGreen(), c2.getGreen())
122 && similar(c1.getBlue(), c2.getBlue());
123 }
124
125 private static boolean similar(int n, int m){
126 return Math.abs(n - m) <= 50;
127 }
128
129 private static float getScaleFactor() {
130
131 final Dialog dialog = new Dialog((Window) null);
132 dialog.setSize(100, 100);
133 dialog.setModal(true);
134 final float[] scaleFactors = new float[1];
135 Panel panel = new Panel() {
136
137 @Override
138 public void paint(Graphics g) {
139 float scaleFactor = 1;
140 if (g instanceof SunGraphics2D) {
141 scaleFactor = ((SunGraphics2D) g).surfaceData.getDefaultScale();
142 }
143 scaleFactors[0] = scaleFactor;
144 dialog.setVisible(false);
145 }
146 };
147
148 dialog.add(panel);
149 dialog.setVisible(true);
150 dialog.dispose();
151
152 return scaleFactors[0];
153 }
154
155 private static Image createMultiResolutionImage() {
156
157 return new MultiResolutionToolkitImage(
158 createImage(50, COLOR_1X),
159 createImage(100, COLOR_2X)
160 );
161
162 }
163
164 private static Image createImage(final int length, final Color color) {
165
166 final BufferedImage image = new BufferedImage(length, length,
167 BufferedImage.TYPE_INT_ARGB_PRE);
168 final Graphics graphics = image.getGraphics();
169 graphics.setColor(color);
170 graphics.fillRect(0, 0, length, length);
171 graphics.dispose();
172 return image;
173 }
174 }