/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
/*
@test
@key headful
@bug 6244574
@bug 6258142
@bug 6395165
@bug 6588884
@summary Tests that source is clipped correctly when blitting
different types of images to the screen
@author Dmitri.Trembovetski: area=Graphics2D
@run main SourceClippingBlitTest
*/
import java.awt.AWTException;
import java.awt.Canvas;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.GraphicsConfiguration;
import java.awt.Image;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.Toolkit;
import java.awt.Transparency;
import java.awt.event.ComponentAdapter;
import java.awt.event.ComponentEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.image.BufferedImage;
import java.awt.image.VolatileImage;
public class SourceClippingBlitTest extends Canvas {
static final int TESTW = 300;
static final int TESTH = 300;
static final int IMAGEW = 50;
static final int IMAGEH = 50;
static final Rectangle IMAGE_BOUNDS = new Rectangle(0, 0, IMAGEW, IMAGEH);
static Robot robot;
static private boolean showErrors;
private static final Object lock = new Object();
private static volatile boolean done = false;
BufferedImage grabbedBI;
public static void main(String[] args) {
// allow user to override the properties if needed
if (System.getProperty("sun.java2d.pmoffscreen") == null) {
System.setProperty("sun.java2d.pmoffscreen", "true");
}
if (args.length > 0 && args[0].equals("-showerrors")) {
showErrors = true;
}
try {
robot = new Robot();
} catch (AWTException e) {
throw new RuntimeException(e);
}
Frame f = new Frame(SourceClippingBlitTest.class.getName());
final SourceClippingBlitTest test = new SourceClippingBlitTest();
f.add(test);
f.addWindowListener(new WindowAdapter() {
public void windowActivated(WindowEvent e) {
if (!done) {
test.runTests();
}
}
});
f.pack();
f.setLocation(100, 100);
f.setVisible(true);
synchronized (lock) {
while (!done) {
try {
lock.wait();
} catch (InterruptedException ex) {
ex.printStackTrace();
}
}
}
if (!showErrors) {
f.dispose();
}
}
public Dimension getPreferredSize() {
return new Dimension(TESTW, TESTH);
}
public void paint(Graphics g) {
if (showErrors && done && grabbedBI != null) {
g.drawImage(grabbedBI, 0, 0, null);
}
}
public void runTests() {
GraphicsConfiguration gc = getGraphicsConfiguration();
for (Image srcIm :
new Image[] {
getBufferedImage(gc, IMAGEW, IMAGEH,
BufferedImage.TYPE_INT_RGB, true),
getBufferedImage(gc, IMAGEW, IMAGEH,
BufferedImage.TYPE_INT_RGB, false),
// commented out due to 6593406
// getBMImage(gc, IMAGEW, IMAGEH),
// getBufferedImage(gc, IMAGEW, IMAGEH,
// BufferedImage.TYPE_INT_ARGB, true),
// getBufferedImage(gc, IMAGEW, IMAGEH,
// BufferedImage.TYPE_INT_ARGB, false),
getVImage(gc, IMAGEW, IMAGEH),
})
{
System.out.println("Testing source: " + srcIm);
// wiggle the source and dest rectangles
try {
for (int locationVar = -10; locationVar < 20; locationVar += 10)
{
for (int sizeVar = -10; sizeVar < 20; sizeVar += 10) {
Rectangle srcRect = (Rectangle)IMAGE_BOUNDS.clone();
srcRect.translate(locationVar, locationVar);
srcRect.grow(sizeVar, sizeVar);
Rectangle dstRect =
new Rectangle(sizeVar, sizeVar,
srcRect.width, srcRect.height);
System.out.println("testing blit rect src: " + srcRect);
System.out.println(" dst: " + dstRect);
render(getGraphics(), srcIm, srcRect, dstRect);
test(srcRect, dstRect);
}
}
System.out.println("Test passed.");
} finally {
synchronized (lock) {
done = true;
lock.notifyAll();
}
}
}
}
public void render(Graphics g, Image image,
Rectangle srcRect, Rectangle dstRect)
{
int w = getWidth();
int h = getHeight();
g.setColor(Color.green);
g.fillRect(0, 0, w, h);
int bltWidth = srcRect.width;
int bltHeight = srcRect.height;
VolatileImage vi = null;
if (image instanceof VolatileImage) {
vi = (VolatileImage)image;
}
do {
if (vi != null) {
GraphicsConfiguration gc = getGraphicsConfiguration();
if (vi.validate(gc) != VolatileImage.IMAGE_OK) {
initImage(gc, vi);
}
}
g.drawImage(image,
dstRect.x, dstRect.y,
dstRect.x + bltWidth, dstRect.y + bltHeight,
srcRect.x, srcRect.y,
srcRect.x + bltWidth, srcRect.y + bltHeight,
Color.red,
null);
} while (vi != null && vi.contentsLost());
}
public void test(Rectangle srcRect, Rectangle dstRect) {
int w = getWidth();
int h = getHeight();
Toolkit.getDefaultToolkit().sync();
try {
Thread.sleep(2000);
} catch (InterruptedException ex) {}
Point p = getLocationOnScreen();
grabbedBI = robot.createScreenCapture(new Rectangle(p.x, p.y, w, h));
// calculate the destination rectangle
Rectangle srcBounds = srcRect.intersection(IMAGE_BOUNDS);
int trX = dstRect.x - srcRect.x;
int trY = dstRect.y - srcRect.y;
Rectangle newDstRect = (Rectangle)dstRect.clone();
newDstRect.translate(-trX, -trY);
Rectangle.intersect(newDstRect, srcBounds, newDstRect);
newDstRect.translate(trX, trY);
Rectangle.intersect(newDstRect, new Rectangle(0, 0, w, h), newDstRect);
System.out.println("calculated dest rect:" + newDstRect);
// we do implicit clipping of the destination surface
// by only checking pixels within its bounds
for (int y = 0; y < h; y++) {
for (int x = 0; x < w; x++) {
int rgb = 0;
if (newDstRect.contains(x, y)) {
rgb = Color.red.getRGB();
} else {
rgb = Color.green.getRGB();
}
if (grabbedBI.getRGB(x, y) != rgb) {
String msg1 = "Test failed at x="+x+" y="+y;
System.out.println(msg1);
System.out.println(" expected: "+Integer.toHexString(rgb)+
" got:"+Integer.toHexString(grabbedBI.getRGB(x, y)));
throw new RuntimeException(msg1);
}
}
}
System.out.println("subtest passed");
}
static VolatileImage dstImage;
static void initImage(GraphicsConfiguration gc, Image image) {
Graphics g = image.getGraphics();
g.setColor(Color.RED);
int w = image.getWidth(null);
int h = image.getHeight(null);
g.fillRect(0, 0, w, h);
g.dispose();
// need to 'accelerate' the image
if (dstImage == null) {
dstImage =
gc.createCompatibleVolatileImage(TESTW, TESTH,
Transparency.OPAQUE);
}
dstImage.validate(gc);
g = dstImage.getGraphics();
g.drawImage(image, 0, 0, null);
g.drawImage(image, 0, 0, null);
g.drawImage(image, 0, 0, null);
}
static VolatileImage getVImage(GraphicsConfiguration gc,
int w, int h)
{
VolatileImage image =
gc.createCompatibleVolatileImage(w, h, Transparency.OPAQUE);
image.validate(gc);
initImage(gc, image);
return image;
}
static Image getBMImage(GraphicsConfiguration gc,
int w, int h)
{
Image image =
gc.createCompatibleImage(w, h, Transparency.BITMASK);
initImage(gc, image);
return image;
}
static Image getBufferedImage(GraphicsConfiguration gc,
int w, int h, int type, boolean acceleratable)
{
BufferedImage image = new BufferedImage(w, h, type);
if (!acceleratable) {
image.setAccelerationPriority(0.0f);
}
initImage(gc, image);
return image;
}
}