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 java.awt.*;
25 import java.awt.image.BufferedImage;
26 import java.awt.image.VolatileImage;
27 import static sun.awt.OSInfo.*;
28
29 /**
30 * @test
31 * @bug 8069348
32 * @summary SunGraphics2D.copyArea() does not properly work for scaled graphics
33 * @modules java.desktop/sun.awt
34 * @run main/othervm -Dsun.java2d.uiScale=2 CopyScaledAreaTest
35 * @run main/othervm -Dsun.java2d.opengl=true -Dsun.java2d.uiScale=2 CopyScaledAreaTest
36 * @run main/othervm -Dsun.java2d.d3d=true -Dsun.java2d.uiScale=2 CopyScaledAreaTest
37 * @run main/othervm -Dsun.java2d.d3d=false -Dsun.java2d.opengl=false
38 * -Dsun.java2d.uiScale=2 CopyScaledAreaTest
39 */
40 public class CopyScaledAreaTest {
41
42 private static final int IMAGE_WIDTH = 800;
43 private static final int IMAGE_HEIGHT = 800;
44 private static final int X = 50;
45 private static final int Y = 50;
46 private static final int W = 100;
47 private static final int H = 75;
48 private static final int DX = 15;
49 private static final int DY = 10;
50 private static final int N = 3;
51 private static final Color BACKGROUND_COLOR = Color.YELLOW;
52 private static final Color FILL_COLOR = Color.ORANGE;
53 private static final double[][] SCALES = {{1.3, 1.4}, {0.3, 2.3}, {2.7, 0.1}};
54
55 private static boolean isSupported() {
56 String d3d = System.getProperty("sun.java2d.d3d");
57 return !Boolean.getBoolean(d3d) || getOSType() == OSType.WINDOWS;
58 }
59
60 private static int scale(int x, double scale) {
61 return (int) Math.floor(x * scale);
62 }
63
64 private static VolatileImage createVolatileImage(GraphicsConfiguration conf) {
65 return conf.createCompatibleVolatileImage(IMAGE_WIDTH, IMAGE_HEIGHT);
66 }
67
68 // rendering to the image
69 private static void renderOffscreen(VolatileImage vImg,
70 GraphicsConfiguration conf,
71 double scaleX,
72 double scaleY)
73 {
74 int attempts = 0;
75 do {
76
77 if (attempts > 10) {
78 throw new RuntimeException("Too many attempts!");
79 }
80
81 if (vImg.validate(conf) == VolatileImage.IMAGE_INCOMPATIBLE) {
82 // old vImg doesn't work with new GraphicsConfig; re-create it
83 vImg = createVolatileImage(conf);
84 }
85 Graphics2D g = vImg.createGraphics();
86 //
87 // miscellaneous rendering commands...
88 //
89 g.setColor(BACKGROUND_COLOR);
90 g.fillRect(0, 0, IMAGE_WIDTH, IMAGE_HEIGHT);
91 g.scale(scaleX, scaleY);
92
93 g.setColor(FILL_COLOR);
94 g.fillRect(X, Y, W, H);
95
96 for (int i = 0; i < N; i++) {
97 g.copyArea(X + i * DX, Y + i * DY, W, H, DX, DY);
98 }
99 g.dispose();
100 attempts++;
101 } while (vImg.contentsLost());
102 }
103
104 public static void main(String[] args) throws Exception {
105
106 if (!isSupported()) {
107 return;
108 }
109
110 GraphicsConfiguration graphicsConfiguration =
111 GraphicsEnvironment.getLocalGraphicsEnvironment()
112 .getDefaultScreenDevice().getDefaultConfiguration();
113
114 for(double[] scales: SCALES){
115 testScale(scales[0], scales[1], graphicsConfiguration);
116 }
117 }
118
119 private static void testScale(double scaleX, double scaleY,
120 GraphicsConfiguration gc) throws Exception
121 {
122
123 BufferedImage buffImage = new BufferedImage(IMAGE_WIDTH, IMAGE_HEIGHT,
124 BufferedImage.TYPE_INT_RGB);
125 Graphics g = buffImage.createGraphics();
126
127 VolatileImage vImg = createVolatileImage(gc);
128
129 int attempts = 0;
130 do {
131
132 if (attempts > 10) {
133 throw new RuntimeException("Too many attempts!");
134 }
135
136 int returnCode = vImg.validate(gc);
137 if (returnCode == VolatileImage.IMAGE_RESTORED) {
138 // Contents need to be restored
139 renderOffscreen(vImg, gc, scaleX, scaleY); // restore contents
140 } else if (returnCode == VolatileImage.IMAGE_INCOMPATIBLE) {
141 // old vImg doesn't work with new GraphicsConfig; re-create it
142 vImg = createVolatileImage(gc);
143 renderOffscreen(vImg, gc, scaleX, scaleY);
144 }
145 g.drawImage(vImg, 0, 0, null);
146 attempts++;
147 } while (vImg.contentsLost());
148
149 g.dispose();
150
151 int x = scale(X + N * DX, scaleX) + 1;
152 int y = scale(Y + N * DY, scaleY) + 1;
153 int w = scale(W, scaleX) - 2;
154 int h = scale(H, scaleY) - 2;
155
156 for (int i = x; i < x + w; i++) {
157 for (int j = y; j < y + h; j++) {
158 if (buffImage.getRGB(i, j) != FILL_COLOR.getRGB()) {
159 throw new RuntimeException("Wrong rectangle color!");
160 }
161 }
162 }
163 }
164 }