1 /*
2 * Copyright (c) 2007, 2016, 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 * @key headful
27 * @bug 6613860 6691934
28 * @summary Tests that the pipelines can handle (in somewhat limited
29 * manner) mutable Colors
30 *
31 * @run main/othervm MutableColorTest
32 * @run main/othervm -Dsun.java2d.noddraw=true MutableColorTest
33 * @run main/othervm -Dsun.java2d.opengl=True MutableColorTest
34 */
35
36 import java.awt.Color;
37 import java.awt.Graphics2D;
38 import java.awt.GraphicsConfiguration;
39 import java.awt.GraphicsEnvironment;
40 import java.awt.Image;
41 import java.awt.Transparency;
42 import java.awt.geom.Ellipse2D;
43 import java.awt.image.BufferedImage;
44 import java.awt.image.VolatileImage;
45 import java.io.File;
46 import java.io.IOException;
47 import javax.imageio.ImageIO;
48
49 public class MutableColorTest {
50
51 static Image bmImage;
52 static Image argbImage;
53
54 static class EvilColor extends Color {
55 Color colors[] = { Color.red, Color.green, Color.blue };
56 int currentIndex = 0;
57 EvilColor() {
58 super(Color.red.getRGB());
59 }
60
61 @Override
62 public int getRGB() {
63 return colors[currentIndex].getRGB();
64 }
65 void nextColor() {
66 currentIndex++;
67 }
68 }
69
70 private static int testImage(Image im,
71 boolean doClip, boolean doTx)
72 {
73 int w = im.getWidth(null);
74 int h = im.getHeight(null);
75 Graphics2D g = (Graphics2D)im.getGraphics();
76 EvilColor evilColor = new EvilColor();
77 g.setColor(evilColor);
78 g.fillRect(0, 0, w, h);
79 g.dispose();
80
81 evilColor.nextColor();
82
83 g = (Graphics2D)im.getGraphics();
84
85 if (doTx) {
86 g.rotate(Math.PI/2.0, w/2, h/2);
87 }
88 g.setColor(evilColor);
89 g.fillRect(0, 0, w, h);
90 if (doClip) {
91 g.clip(new Ellipse2D.Float(0, 0, w, h));
92 }
93 g.fillRect(0, h/3, w, h/3);
94
95 // tests native BlitBg loop
96 g.drawImage(bmImage, 0, 2*h/3, evilColor, null);
97 // tests General BlitBg loop
98 g.drawImage(argbImage, 0, 2*h/3+h/3/2, evilColor, null);
99
100 return evilColor.getRGB();
101 }
102
103 private static void testResult(final String desc,
104 final BufferedImage snapshot,
105 final int evilColor) {
106 for (int y = 0; y < snapshot.getHeight(); y++) {
107 for (int x = 0; x < snapshot.getWidth(); x++) {
108 int snapRGB = snapshot.getRGB(x, y);
109 if (!isSameColor(snapRGB, evilColor)) {
110 System.err.printf("Wrong RGB for %s at (%d,%d): 0x%x " +
111 "instead of 0x%x\n", desc, x, y, snapRGB, evilColor);
112 String fileName = "MutableColorTest_"+desc+".png";
113 try {
114 ImageIO.write(snapshot, "png", new File(fileName));
115 System.err.println("Dumped snapshot to "+fileName);
116 } catch (IOException ex) {}
117 throw new RuntimeException("Test FAILED.");
118 }
119 }
120 }
121 }
122
123 public static void main(String[] args) {
124 GraphicsConfiguration gc =
125 GraphicsEnvironment.getLocalGraphicsEnvironment().
126 getDefaultScreenDevice().getDefaultConfiguration();
127
128 bmImage = gc.createCompatibleImage(64, 64, Transparency.BITMASK);
129 argbImage = gc.createCompatibleImage(64, 64, Transparency.TRANSLUCENT);
130
131 if (gc.getColorModel().getPixelSize() > 8) {
132 VolatileImage vi =
133 gc.createCompatibleVolatileImage(64, 64, Transparency.OPAQUE);
134 do {
135 if (vi.validate(gc) == VolatileImage.IMAGE_INCOMPATIBLE) {
136 vi = gc.createCompatibleVolatileImage(64, 64,
137 Transparency.OPAQUE);
138 vi.validate(gc);
139 }
140
141 int color = testImage(vi, false, false);
142 testResult("vi_noclip_notx", vi.getSnapshot(), color);
143
144 color = testImage(vi, true, true);
145 testResult("vi_clip_tx", vi.getSnapshot(), color);
146
147 color = testImage(vi, true, false);
148 testResult("vi_clip_notx", vi.getSnapshot(), color);
149
150 color = testImage(vi, false, true);
151 testResult("vi_noclip_tx", vi.getSnapshot(), color);
152 } while (vi.contentsLost());
153 }
154
155 BufferedImage bi = new BufferedImage(64, 64, BufferedImage.TYPE_INT_RGB);
156 int color = testImage(bi, false, false);
157 testResult("bi_noclip_notx", bi, color);
158
159 color = testImage(bi, true, true);
160 testResult("bi_clip_tx", bi, color);
161
162 color = testImage(bi, true, false);
163 testResult("bi_clip_notx", bi, color);
164
165 color = testImage(bi, false, true);
166 testResult("bi_noclip_tx", bi, color);
167
168 System.err.println("Test passed.");
169 }
170
171 /*
172 * We assume that colors with slightly different components
173 * are the same. This is done just in order to workaround
174 * peculiarities of OGL rendering pipeline on some platforms.
175 * See CR 6989217 for more details.
176 */
177 private static boolean isSameColor(int color1, int color2) {
178 final int tolerance = 2;
179
180 for (int i = 0; i < 32; i += 8) {
181 int c1 = 0xff & (color1 >> i);
182 int c2 = 0xff & (color2 >> i);
183
184 if (Math.abs(c1 - c2) > tolerance) {
185 return false;
186 }
187 }
188 return true;
189 }
190 }