1 /*
2 * Copyright (c) 2014, 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.*;
25 import java.awt.image.*;
26 import javax.swing.*;
27
28 /**
29 * @test
30 * @bug 8162591
31 * @summary tests gradients with start/endpoints exceeding Short.MAX coordinates
32 * @author ceisserer
33 */
34 public class HugeGradientTest extends Frame {
35 public static volatile boolean success = false;
36
37 public HugeGradientTest() {
38 Image dstImg = getGraphicsConfiguration()
39 .createCompatibleVolatileImage(30, 30);
40 Graphics2D g = (Graphics2D) dstImg.getGraphics();
41
42 g.setPaint(new LinearGradientPaint(0f, Short.MAX_VALUE, 0f, Short.MAX_VALUE +31,
43 new float[]{0f, 1f}, new Color[]{Color.BLACK, Color.RED}));
44 g.translate(0, -Short.MAX_VALUE);
45 g.fillRect (0, 0, Short.MAX_VALUE*2 , Short.MAX_VALUE*2);
46
47 BufferedImage readBackImg = new BufferedImage(dstImg.getWidth(null),
48 dstImg.getHeight(null), BufferedImage.TYPE_INT_RGB);
49 readBackImg.getGraphics().drawImage(dstImg, 0, 0, null);
50
51 for (int x = 0; x < readBackImg.getWidth(); x++) {
52 for (int y = 0; y < readBackImg.getHeight(); y++) {
53 int redVal = (readBackImg.getRGB(x, y) & 0x00FF0000) >> 16;
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1 /*
2 * Copyright (c) 2014, 2017, 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.*;
25 import java.awt.image.*;
26 import javax.swing.*;
27
28 /**
29 * @test
30 * @key headful
31 * @bug 8162591
32 * @summary tests gradients with start/endpoints exceeding Short.MAX coordinates
33 * @author ceisserer
34 */
35
36 public class HugeGradientTest extends Frame {
37 public static volatile boolean success = false;
38
39 public HugeGradientTest() {
40 Image dstImg = getGraphicsConfiguration()
41 .createCompatibleVolatileImage(30, 30);
42 Graphics2D g = (Graphics2D) dstImg.getGraphics();
43
44 g.setPaint(new LinearGradientPaint(0f, Short.MAX_VALUE, 0f, Short.MAX_VALUE +31,
45 new float[]{0f, 1f}, new Color[]{Color.BLACK, Color.RED}));
46 g.translate(0, -Short.MAX_VALUE);
47 g.fillRect (0, 0, Short.MAX_VALUE*2 , Short.MAX_VALUE*2);
48
49 BufferedImage readBackImg = new BufferedImage(dstImg.getWidth(null),
50 dstImg.getHeight(null), BufferedImage.TYPE_INT_RGB);
51 readBackImg.getGraphics().drawImage(dstImg, 0, 0, null);
52
53 for (int x = 0; x < readBackImg.getWidth(); x++) {
54 for (int y = 0; y < readBackImg.getHeight(); y++) {
55 int redVal = (readBackImg.getRGB(x, y) & 0x00FF0000) >> 16;
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