1 /*
2 * Copyright (c) 2007, 2010, 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 /**
25 * @test
26 * @bug 6613860 6691934
27 * @summary Tests that the pipelines can handle (in somewhat limited
28 * manner) mutable Colors
29 *
30 * @run main/othervm MutableColorTest
31 * @run main/othervm -Dsun.java2d.noddraw=true MutableColorTest
32 * @run main/othervm -Dsun.java2d.opengl=True MutableColorTest
33 */
34
35 import java.awt.Color;
36 import java.awt.Graphics2D;
37 import java.awt.GraphicsConfiguration;
38 import java.awt.GraphicsEnvironment;
39 import java.awt.Image;
40 import java.awt.Transparency;
41 import java.awt.geom.Ellipse2D;
42 import java.awt.image.BufferedImage;
43 import java.awt.image.VolatileImage;
44 import java.io.File;
45 import java.io.IOException;
46 import javax.imageio.ImageIO;
47
48 public class MutableColorTest {
49
50 static Image bmImage;
51 static Image argbImage;
52
53 static class EvilColor extends Color {
54 Color colors[] = { Color.red, Color.green, Color.blue };
55 int currentIndex = 0;
56 EvilColor() {
57 super(Color.red.getRGB());
58 }
59
60 @Override
61 public int getRGB() {
62 return colors[currentIndex].getRGB();
63 }
64 void nextColor() {
65 currentIndex++;
66 }
67 }
68
69 private static int testImage(Image im,
70 boolean doClip, boolean doTx)
71 {
72 int w = im.getWidth(null);
73 int h = im.getHeight(null);
74 Graphics2D g = (Graphics2D)im.getGraphics();
75 EvilColor evilColor = new EvilColor();
76 g.setColor(evilColor);
77 g.fillRect(0, 0, w, h);
78 g.dispose();
79
80 evilColor.nextColor();
81
82 g = (Graphics2D)im.getGraphics();
83
84 if (doTx) {
85 g.rotate(Math.PI/2.0, w/2, h/2);
86 }
87 g.setColor(evilColor);
88 g.fillRect(0, 0, w, h);
89 if (doClip) {
90 g.clip(new Ellipse2D.Float(0, 0, w, h));
91 }
92 g.fillRect(0, h/3, w, h/3);
93
94 // tests native BlitBg loop
95 g.drawImage(bmImage, 0, 2*h/3, evilColor, null);
96 // tests General BlitBg loop
97 g.drawImage(argbImage, 0, 2*h/3+h/3/2, evilColor, null);
98
99 return evilColor.getRGB();
100 }
101
102 private static void testResult(final String desc,
103 final BufferedImage snapshot,
104 final int evilColor) {
105 for (int y = 0; y < snapshot.getHeight(); y++) {
106 for (int x = 0; x < snapshot.getWidth(); x++) {
107 int snapRGB = snapshot.getRGB(x, y);
108 if (!isSameColor(snapRGB, evilColor)) {
109 System.err.printf("Wrong RGB for %s at (%d,%d): 0x%x " +
110 "instead of 0x%x\n", desc, x, y, snapRGB, evilColor);
111 String fileName = "MutableColorTest_"+desc+".png";
112 try {
113 ImageIO.write(snapshot, "png", new File(fileName));
114 System.err.println("Dumped snapshot to "+fileName);
115 } catch (IOException ex) {}
116 throw new RuntimeException("Test FAILED.");
117 }
118 }
119 }
120 }
121
122 public static void main(String[] args) {
123 GraphicsConfiguration gc =
124 GraphicsEnvironment.getLocalGraphicsEnvironment().
125 getDefaultScreenDevice().getDefaultConfiguration();
126
127 bmImage = gc.createCompatibleImage(64, 64, Transparency.BITMASK);
128 argbImage = gc.createCompatibleImage(64, 64, Transparency.TRANSLUCENT);
129
130 if (gc.getColorModel().getPixelSize() > 8) {
131 VolatileImage vi =
132 gc.createCompatibleVolatileImage(64, 64, Transparency.OPAQUE);
133 do {
134 if (vi.validate(gc) == VolatileImage.IMAGE_INCOMPATIBLE) {
135 vi = gc.createCompatibleVolatileImage(64, 64,
136 Transparency.OPAQUE);
137 vi.validate(gc);
138 }
139
140 int color = testImage(vi, false, false);
141 testResult("vi_noclip_notx", vi.getSnapshot(), color);
142
143 color = testImage(vi, true, true);
144 testResult("vi_clip_tx", vi.getSnapshot(), color);
145
146 color = testImage(vi, true, false);
147 testResult("vi_clip_notx", vi.getSnapshot(), color);
148
149 color = testImage(vi, false, true);
150 testResult("vi_noclip_tx", vi.getSnapshot(), color);
151 } while (vi.contentsLost());
152 }
153
154 BufferedImage bi = new BufferedImage(64, 64, BufferedImage.TYPE_INT_RGB);
155 int color = testImage(bi, false, false);
156 testResult("bi_noclip_notx", bi, color);
157
158 color = testImage(bi, true, true);
159 testResult("bi_clip_tx", bi, color);
160
161 color = testImage(bi, true, false);
162 testResult("bi_clip_notx", bi, color);
163
164 color = testImage(bi, false, true);
165 testResult("bi_noclip_tx", bi, color);
166
167 System.err.println("Test passed.");
168 }
169
170 /*
171 * We assume that colors with slightly different components
172 * are the same. This is done just in order to workaround
173 * peculiarities of OGL rendering pipeline on some platforms.
174 * See CR 6989217 for more details.
175 */
176 private static boolean isSameColor(int color1, int color2) {
177 final int tolerance = 2;
178
179 for (int i = 0; i < 32; i += 8) {
180 int c1 = 0xff & (color1 >> i);
181 int c2 = 0xff & (color2 >> i);
182
183 if (Math.abs(c1 - c2) > tolerance) {
184 return false;
185 }
186 }
187 return true;
188 }
189 }