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 * @test
25 * @key headful
26 * @bug 5009033 6603000 6666362
27 * @summary Verifies that images transformed with bilinear filtering do not
28 * leave artifacts at the edges.
29 * @run main/othervm DrawImageBilinear
30 * @run main/othervm -Dsun.java2d.opengl=True DrawImageBilinear
31 * @author campbelc
32 */
33
34 import java.awt.Canvas;
35 import java.awt.Color;
36 import java.awt.Component;
37 import java.awt.Dimension;
38 import java.awt.Frame;
39 import java.awt.Graphics;
40 import java.awt.Graphics2D;
41 import java.awt.GraphicsConfiguration;
42 import java.awt.Point;
43 import java.awt.Rectangle;
44 import java.awt.RenderingHints;
45 import java.awt.Robot;
46 import java.awt.Toolkit;
47 import java.awt.image.BufferedImage;
48 import java.awt.image.IndexColorModel;
49 import java.awt.image.VolatileImage;
50
51 public class DrawImageBilinear extends Canvas {
52
53 private static final int SIZE = 5;
54
55 private static boolean done;
56 private BufferedImage bimg1, bimg2;
57 private VolatileImage vimg;
58 private static volatile BufferedImage capture;
59 private static void doCapture(Component test) {
60 try {
61 Thread.sleep(2000);
62 } catch (InterruptedException ex) {}
63 // Grab the screen region
64 try {
65 Robot robot = new Robot();
66 Point pt1 = test.getLocationOnScreen();
67 Rectangle rect =
68 new Rectangle(pt1.x, pt1.y, test.getWidth(), test.getHeight());
69 capture = robot.createScreenCapture(rect);
70 } catch (Exception e) {
71 e.printStackTrace();
72 }
73 }
74
75 private void renderPattern(Graphics g) {
76 g.setColor(Color.red);
77 g.fillRect(0, 0, SIZE, SIZE);
78 //g.setColor(Color.green);
79 //g.drawRect(0, 0, SIZE-1, SIZE-1);
80 g.dispose();
81 }
82
83 public void paint(Graphics g) {
84 Graphics2D g2d = (Graphics2D)g;
85
86 if (bimg1 == null) {
87 bimg1 = (BufferedImage)createImage(SIZE, SIZE);
88 bimg1.setAccelerationPriority(0.0f);
89 renderPattern(bimg1.createGraphics());
90
91 bimg2 = (BufferedImage)createImage(SIZE, SIZE);
92 renderPattern(bimg2.createGraphics());
93
94 vimg = createVolatileImage(SIZE, SIZE);
95 vimg.validate(getGraphicsConfiguration());
96 renderPattern(vimg.createGraphics());
97 }
98
99 do {
100 g2d.setColor(Color.white);
101 g2d.fillRect(0, 0, getWidth(), getHeight());
102
103 g2d.setRenderingHint(RenderingHints.KEY_INTERPOLATION,
104 RenderingHints.VALUE_INTERPOLATION_BILINEAR);
105
106 // first time will be a sw->surface blit
107 g2d.drawImage(bimg1, 10, 10, 40, 40, null);
108
109 // second time will be a texture->surface blit
110 g2d.drawImage(bimg2, 80, 10, 40, 40, null);
111 if (!skipOglTextureTest) {
112 g2d.drawImage(bimg2, 80, 10, 40, 40, null);
113 }
114
115 // third time will be a pbuffer->surface blit
116 if (vimg.validate(getGraphicsConfiguration()) != VolatileImage.IMAGE_OK) {
117 renderPattern(vimg.createGraphics());
118 }
119 g2d.drawImage(vimg, 150, 10, 40, 40, null);
120
121 Toolkit.getDefaultToolkit().sync();
122 } while (vimg.contentsLost());
123
124 synchronized (this) {
125 if (!done) {
126 doCapture(this);
127 done = true;
128 }
129 notifyAll();
130 }
131 }
132
133 public Dimension getPreferredSize() {
134 return new Dimension(200, 100);
135 }
136
137 private static void testRegion(BufferedImage bi,
138 Rectangle affectedRegion)
139 {
140 int x1 = affectedRegion.x;
141 int y1 = affectedRegion.y;
142 int x2 = x1 + affectedRegion.width;
143 int y2 = y1 + affectedRegion.height;
144
145 for (int y = y1; y < y2; y++) {
146 for (int x = x1; x < x2; x++) {
147 int actual = bi.getRGB(x, y);
148 if ((actual != 0xfffe0000) && (actual != 0xffff0000)) {
149 throw new RuntimeException("Test failed at x="+x+" y="+y+
150 " (expected=0xffff0000"+
151 " actual=0x"+
152 Integer.toHexString(actual) +
153 ")");
154 }
155 }
156 }
157 }
158
159 private static boolean skipOglTextureTest = false;
160
161 public static void main(String[] args) {
162 boolean show = false;
163 for (String arg : args) {
164 if ("-show".equals(arg)) {
165 show = true;
166 }
167 }
168
169 String arch = System.getProperty("os.arch");
170 boolean isOglEnabled = Boolean.getBoolean("sun.java2d.opengl");
171 skipOglTextureTest = isOglEnabled && ("sparc".equals(arch));
172 System.out.println("Skip OpenGL texture test: " + skipOglTextureTest);
173
174 DrawImageBilinear test = new DrawImageBilinear();
175 Frame frame = new Frame();
176 frame.add(test);
177 frame.pack();
178 frame.setVisible(true);
179
180 // Wait until the component's been painted
181 synchronized (test) {
182 while (!done) {
183 try {
184 test.wait();
185 } catch (InterruptedException e) {
186 throw new RuntimeException("Failed: Interrupted");
187 }
188 }
189 }
190
191 GraphicsConfiguration gc = frame.getGraphicsConfiguration();
192 if (gc.getColorModel() instanceof IndexColorModel) {
193 System.out.println("IndexColorModel detected: " +
194 "test considered PASSED");
195 frame.dispose();
196 return;
197 }
198
199 if (!show) {
200 frame.dispose();
201 }
202 if (capture == null) {
203 throw new RuntimeException("Failed: capture is null");
204 }
205
206 // Test background color
207 int pixel = capture.getRGB(5, 5);
208 if (pixel != 0xffffffff) {
209 throw new RuntimeException("Failed: Incorrect color for " +
210 "background");
211 }
212
213 // Test pixels
214 testRegion(capture, new Rectangle(10, 10, 40, 40));
215 testRegion(capture, new Rectangle(80, 10, 40, 40));
216 testRegion(capture, new Rectangle(150, 10, 40, 40));
217 }
218 }