1 /*
2 * Copyright (c) 2019, 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 java.awt.Dialog;
25 import java.awt.Dimension;
26 import java.awt.EventQueue;
27 import java.awt.Font;
28 import java.awt.FontMetrics;
29 import java.awt.Frame;
30 import java.awt.Graphics2D;
31 import java.awt.GraphicsConfiguration;
32 import java.awt.GraphicsDevice;
33 import java.awt.GraphicsEnvironment;
34 import java.awt.HeadlessException;
35 import java.awt.Image;
36 import java.awt.Insets;
37 import java.awt.PrintJob;
38 import java.awt.Rectangle;
39 import java.awt.Toolkit;
40 import java.awt.datatransfer.Clipboard;
41 import java.awt.font.TextAttribute;
42 import java.awt.geom.AffineTransform;
43 import java.awt.im.InputMethodHighlight;
44 import java.awt.image.BufferedImage;
45 import java.awt.image.ColorModel;
46 import java.awt.image.ImageObserver;
47 import java.awt.image.ImageProducer;
48 import java.net.URL;
49 import java.util.Map;
50 import java.util.Properties;
51
52 /**
53 * @test
54 * @bug 8233573
55 * @key headful
56 * @summary Toolkit.getScreenInsets should work for custom GraphicsConfiguration
57 */
58 public final class GetScreenInsetsCustomGC {
59
60 public static void main(final String[] args) {
61 // Default GraphicsConfiguration
62 GraphicsConfiguration dc =
63 GraphicsEnvironment.getLocalGraphicsEnvironment()
64 .getDefaultScreenDevice()
65 .getDefaultConfiguration();
66 // Custom GraphicsConfiguration
67 GraphicsConfiguration cd = new _GraphicsConfiguration();
68 // GraphicsConfiguration of BufferedImage
69 BufferedImage bi = new BufferedImage(1, 1, BufferedImage.TYPE_INT_ARGB);
70 Graphics2D g = bi.createGraphics();
71 GraphicsConfiguration bic = g.getDeviceConfiguration();
72 g.dispose();
73
74 // Default toolkit
75
76 // mey return empty and non-empty insets but never null
77 if (Toolkit.getDefaultToolkit().getScreenInsets(dc) == null) {
78 throw new NullPointerException();
79 }
80 // return empty insets only for non-default GC
81 testEmpty(Toolkit.getDefaultToolkit().getScreenInsets(cd));
82 testEmpty(Toolkit.getDefaultToolkit().getScreenInsets(bic));
83
84 try {
85 Toolkit.getDefaultToolkit().getScreenInsets(null);
86 throw new RuntimeException("NullPointerException is not thrown");
87 } catch (NullPointerException ignored) {
88 // ok
89 }
90
91 // Custom toolkit
92
93 Toolkit tk = new _Toolkit();
94 // mey return empty and non-empty insets but never null
95 if (tk.getScreenInsets(dc) == null) {
96 throw new NullPointerException();
97 }
98 // return empty insets only for non-default GC
99 testEmpty(tk.getScreenInsets(cd));
100 testEmpty(tk.getScreenInsets(bic));
101
102 try {
103 tk.getScreenInsets(null);
104 throw new RuntimeException("NullPointerException is not thrown");
105 } catch (NullPointerException ignored) {
106 // ok
107 }
108 }
109
110 private static void testEmpty(final Insets insets) {
111 if ((insets.left | insets.top | insets.bottom | insets.right) != 0) {
112 System.err.println("Expected empty insets");
113 System.err.println("Actual: " + insets);
114 throw new RuntimeException();
115 }
116 }
117
118 private static class _GraphicsConfiguration extends GraphicsConfiguration {
119
120 @Override
121 public GraphicsDevice getDevice() {
122 return null;
123 }
124
125 @Override
126 public ColorModel getColorModel() {
127 return null;
128 }
129
130 @Override
131 public ColorModel getColorModel(int transparency) {
132 return null;
133 }
134
135 @Override
136 public AffineTransform getDefaultTransform() {
137 return null;
138 }
139
140 @Override
141 public AffineTransform getNormalizingTransform() {
142 return null;
143 }
144
145 @Override
146 public Rectangle getBounds() {
147 return null;
148 }
149 }
150
151 private static class _Toolkit extends Toolkit {
152
153 @Override
154 public Dimension getScreenSize() throws HeadlessException {
155 return null;
156 }
157
158 @Override
159 public int getScreenResolution() throws HeadlessException {
160 return 0;
161 }
162
163 @Override
164 public ColorModel getColorModel() throws HeadlessException {
165 return null;
166 }
167
168 @Override
169 public String[] getFontList() {
170 return new String[0];
171 }
172
173 @Override
174 public FontMetrics getFontMetrics(Font font) {
175 return null;
176 }
177
178 @Override
179 public void sync() {
180
181 }
182
183 @Override
184 public Image getImage(String filename) {
185 return null;
186 }
187
188 @Override
189 public Image getImage(URL url) {
190 return null;
191 }
192
193 @Override
194 public Image createImage(String filename) {
195 return null;
196 }
197
198 @Override
199 public Image createImage(URL url) {
200 return null;
201 }
202
203 @Override
204 public boolean prepareImage(Image image, int width, int height, ImageObserver observer) {
205 return false;
206 }
207
208 @Override
209 public int checkImage(Image image, int width, int height, ImageObserver observer) {
210 return 0;
211 }
212
213 @Override
214 public Image createImage(ImageProducer producer) {
215 return null;
216 }
217
218 @Override
219 public Image createImage(byte[] imagedata, int imageoffset, int imagelength) {
220 return null;
221 }
222
223 @Override
224 public PrintJob getPrintJob(Frame frame, String jobtitle, Properties props) {
225 return null;
226 }
227
228 @Override
229 public void beep() {
230
231 }
232
233 @Override
234 public Clipboard getSystemClipboard() throws HeadlessException {
235 return null;
236 }
237
238 @Override
239 protected EventQueue getSystemEventQueueImpl() {
240 return null;
241 }
242
243 @Override
244 public boolean isModalityTypeSupported(Dialog.ModalityType modalityType) {
245 return false;
246 }
247
248 @Override
249 public boolean isModalExclusionTypeSupported(Dialog.ModalExclusionType modalExclusionType) {
250 return false;
251 }
252
253 @Override
254 public Map<TextAttribute, ?> mapInputMethodHighlight(InputMethodHighlight highlight) throws HeadlessException {
255 return null;
256 }
257 }
258 }