1 /*
2 * Copyright (c) 2005, 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 @key headful
27 @bug 6244574
28 @bug 6258142
29 @bug 6395165
30 @bug 6588884
31 @summary Tests that source is clipped correctly when blitting
32 different types of images to the screen
33 @author Dmitri.Trembovetski: area=Graphics2D
34 @run main SourceClippingBlitTest
35 */
36
37 import java.awt.AWTException;
38 import java.awt.Canvas;
39 import java.awt.Color;
40 import java.awt.Dimension;
41 import java.awt.Frame;
42 import java.awt.Graphics;
43 import java.awt.GraphicsConfiguration;
44 import java.awt.Image;
45 import java.awt.Point;
46 import java.awt.Rectangle;
47 import java.awt.Robot;
48 import java.awt.Toolkit;
49 import java.awt.Transparency;
50 import java.awt.event.ComponentAdapter;
51 import java.awt.event.ComponentEvent;
52 import java.awt.event.WindowAdapter;
53 import java.awt.event.WindowEvent;
54 import java.awt.image.BufferedImage;
55 import java.awt.image.VolatileImage;
56
57 public class SourceClippingBlitTest extends Canvas {
58 static final int TESTW = 300;
59 static final int TESTH = 300;
60 static final int IMAGEW = 50;
61 static final int IMAGEH = 50;
62
63 static final Rectangle IMAGE_BOUNDS = new Rectangle(0, 0, IMAGEW, IMAGEH);
64 static Robot robot;
65 static private boolean showErrors;
66
67 private static final Object lock = new Object();
68 private static volatile boolean done = false;
69
70 BufferedImage grabbedBI;
71
72 public static void main(String[] args) {
73 // allow user to override the properties if needed
74 if (System.getProperty("sun.java2d.pmoffscreen") == null) {
75 System.setProperty("sun.java2d.pmoffscreen", "true");
76 }
77
78 if (args.length > 0 && args[0].equals("-showerrors")) {
79 showErrors = true;
80 }
81
82 try {
83 robot = new Robot();
84 } catch (AWTException e) {
85 throw new RuntimeException(e);
86 }
87
88 Frame f = new Frame(SourceClippingBlitTest.class.getName());
89 final SourceClippingBlitTest test = new SourceClippingBlitTest();
90 f.add(test);
91 f.addWindowListener(new WindowAdapter() {
92 public void windowActivated(WindowEvent e) {
93 if (!done) {
94 test.runTests();
95 }
96 }
97
98 });
99 f.pack();
100 f.setLocation(100, 100);
101 f.setVisible(true);
102 synchronized (lock) {
103 while (!done) {
104 try {
105 lock.wait();
106 } catch (InterruptedException ex) {
107 ex.printStackTrace();
108 }
109 }
110 }
111 if (!showErrors) {
112 f.dispose();
113 }
114 }
115
116 public Dimension getPreferredSize() {
117 return new Dimension(TESTW, TESTH);
118 }
119
120 public void paint(Graphics g) {
121 if (showErrors && done && grabbedBI != null) {
122 g.drawImage(grabbedBI, 0, 0, null);
123 }
124 }
125
126 public void runTests() {
127 GraphicsConfiguration gc = getGraphicsConfiguration();
128 for (Image srcIm :
129 new Image[] {
130 getBufferedImage(gc, IMAGEW, IMAGEH,
131 BufferedImage.TYPE_INT_RGB, true),
132 getBufferedImage(gc, IMAGEW, IMAGEH,
133 BufferedImage.TYPE_INT_RGB, false),
134 // commented out due to 6593406
135 // getBMImage(gc, IMAGEW, IMAGEH),
136 // getBufferedImage(gc, IMAGEW, IMAGEH,
137 // BufferedImage.TYPE_INT_ARGB, true),
138 // getBufferedImage(gc, IMAGEW, IMAGEH,
139 // BufferedImage.TYPE_INT_ARGB, false),
140 getVImage(gc, IMAGEW, IMAGEH),
141 })
142 {
143 System.out.println("Testing source: " + srcIm);
144 // wiggle the source and dest rectangles
145 try {
146 for (int locationVar = -10; locationVar < 20; locationVar += 10)
147 {
148 for (int sizeVar = -10; sizeVar < 20; sizeVar += 10) {
149 Rectangle srcRect = (Rectangle)IMAGE_BOUNDS.clone();
150 srcRect.translate(locationVar, locationVar);
151 srcRect.grow(sizeVar, sizeVar);
152
153 Rectangle dstRect =
154 new Rectangle(sizeVar, sizeVar,
155 srcRect.width, srcRect.height);
156 System.out.println("testing blit rect src: " + srcRect);
157 System.out.println(" dst: " + dstRect);
158 render(getGraphics(), srcIm, srcRect, dstRect);
159 test(srcRect, dstRect);
160 }
161 }
162 System.out.println("Test passed.");
163 } finally {
164 synchronized (lock) {
165 done = true;
166 lock.notifyAll();
167 }
168 }
169 }
170 }
171
172 public void render(Graphics g, Image image,
173 Rectangle srcRect, Rectangle dstRect)
174 {
175 int w = getWidth();
176 int h = getHeight();
177 g.setColor(Color.green);
178 g.fillRect(0, 0, w, h);
179
180 int bltWidth = srcRect.width;
181 int bltHeight = srcRect.height;
182 VolatileImage vi = null;
183 if (image instanceof VolatileImage) {
184 vi = (VolatileImage)image;
185 }
186 do {
187 if (vi != null) {
188 GraphicsConfiguration gc = getGraphicsConfiguration();
189 if (vi.validate(gc) != VolatileImage.IMAGE_OK) {
190 initImage(gc, vi);
191 }
192 }
193 g.drawImage(image,
194 dstRect.x, dstRect.y,
195 dstRect.x + bltWidth, dstRect.y + bltHeight,
196 srcRect.x, srcRect.y,
197 srcRect.x + bltWidth, srcRect.y + bltHeight,
198 Color.red,
199 null);
200 } while (vi != null && vi.contentsLost());
201 }
202
203
204 public void test(Rectangle srcRect, Rectangle dstRect) {
205 int w = getWidth();
206 int h = getHeight();
207 Toolkit.getDefaultToolkit().sync();
208 try {
209 Thread.sleep(2000);
210 } catch (InterruptedException ex) {}
211 Point p = getLocationOnScreen();
212 grabbedBI = robot.createScreenCapture(new Rectangle(p.x, p.y, w, h));
213
214 // calculate the destination rectangle
215 Rectangle srcBounds = srcRect.intersection(IMAGE_BOUNDS);
216 int trX = dstRect.x - srcRect.x;
217 int trY = dstRect.y - srcRect.y;
218 Rectangle newDstRect = (Rectangle)dstRect.clone();
219 newDstRect.translate(-trX, -trY);
220 Rectangle.intersect(newDstRect, srcBounds, newDstRect);
221 newDstRect.translate(trX, trY);
222 Rectangle.intersect(newDstRect, new Rectangle(0, 0, w, h), newDstRect);
223
224 System.out.println("calculated dest rect:" + newDstRect);
225
226 // we do implicit clipping of the destination surface
227 // by only checking pixels within its bounds
228 for (int y = 0; y < h; y++) {
229 for (int x = 0; x < w; x++) {
230 int rgb = 0;
231 if (newDstRect.contains(x, y)) {
232 rgb = Color.red.getRGB();
233 } else {
234 rgb = Color.green.getRGB();
235 }
236 if (grabbedBI.getRGB(x, y) != rgb) {
237 String msg1 = "Test failed at x="+x+" y="+y;
238 System.out.println(msg1);
239 System.out.println(" expected: "+Integer.toHexString(rgb)+
240 " got:"+Integer.toHexString(grabbedBI.getRGB(x, y)));
241 throw new RuntimeException(msg1);
242 }
243 }
244 }
245 System.out.println("subtest passed");
246 }
247
248 static VolatileImage dstImage;
249 static void initImage(GraphicsConfiguration gc, Image image) {
250 Graphics g = image.getGraphics();
251 g.setColor(Color.RED);
252 int w = image.getWidth(null);
253 int h = image.getHeight(null);
254 g.fillRect(0, 0, w, h);
255 g.dispose();
256
257 // need to 'accelerate' the image
258 if (dstImage == null) {
259 dstImage =
260 gc.createCompatibleVolatileImage(TESTW, TESTH,
261 Transparency.OPAQUE);
262 }
263 dstImage.validate(gc);
264 g = dstImage.getGraphics();
265 g.drawImage(image, 0, 0, null);
266 g.drawImage(image, 0, 0, null);
267 g.drawImage(image, 0, 0, null);
268 }
269
270 static VolatileImage getVImage(GraphicsConfiguration gc,
271 int w, int h)
272 {
273 VolatileImage image =
274 gc.createCompatibleVolatileImage(w, h, Transparency.OPAQUE);
275 image.validate(gc);
276 initImage(gc, image);
277 return image;
278 }
279
280 static Image getBMImage(GraphicsConfiguration gc,
281 int w, int h)
282 {
283 Image image =
284 gc.createCompatibleImage(w, h, Transparency.BITMASK);
285 initImage(gc, image);
286 return image;
287 }
288
289 static Image getBufferedImage(GraphicsConfiguration gc,
290 int w, int h, int type, boolean acceleratable)
291 {
292 BufferedImage image = new BufferedImage(w, h, type);
293 if (!acceleratable) {
294 image.setAccelerationPriority(0.0f);
295 }
296 initImage(gc, image);
297 return image;
298 }
299 }