/*
* Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
* 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
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.awt.Color;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.GraphicsConfiguration;
import java.awt.GraphicsEnvironment;
import java.awt.RenderingHints;
import java.awt.Toolkit;
import java.awt.image.BufferedImage;
import java.awt.image.VolatileImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
/**
* @test
* @bug 6429665
* @bug 6588884
* @summary Tests that the transform is correctly handled
* @author Dmitri.Trembovetski area=Graphics
* @run main AcceleratedScaleTest
* @run main/othervm -Dsun.java2d.d3d=true AcceleratedScaleTest
* @run main/othervm -Dsun.java2d.opengl=true AcceleratedScaleTest
*/
public class AcceleratedScaleTest {
private static final int IMAGE_SIZE = 200;
private static VolatileImage destVI;
private static void initVI(GraphicsConfiguration gc) {
int res;
if (destVI == null) {
res = VolatileImage.IMAGE_INCOMPATIBLE;
} else {
res = destVI.validate(gc);
}
if (res == VolatileImage.IMAGE_INCOMPATIBLE) {
if (destVI != null) destVI.flush();
destVI = gc.createCompatibleVolatileImage(IMAGE_SIZE, IMAGE_SIZE);
destVI.validate(gc);
res = VolatileImage.IMAGE_RESTORED;
}
if (res == VolatileImage.IMAGE_RESTORED) {
Graphics vig = destVI.getGraphics();
vig.setColor(Color.red);
vig.fillRect(0, 0, destVI.getWidth(), destVI.getHeight());
vig.dispose();
}
}
public static void main(String[] args) {
Frame f = new Frame();
f.pack();
GraphicsConfiguration gc = f.getGraphicsConfiguration();
if (gc.getColorModel().getPixelSize() < 16) {
System.out.printf("Bit depth: %d . Test considered passed.",
gc.getColorModel().getPixelSize());
f.dispose();
return;
}
BufferedImage bi =
new BufferedImage(IMAGE_SIZE/4, IMAGE_SIZE/4,
BufferedImage.TYPE_INT_RGB);
Graphics2D g = (Graphics2D)bi.getGraphics();
g.setColor(Color.red);
g.fillRect(0, 0, bi.getWidth(), bi.getHeight());
BufferedImage snapshot;
do {
initVI(gc);
g = (Graphics2D)destVI.getGraphics();
// "accelerate" BufferedImage
for (int i = 0; i < 5; i++) {
g.drawImage(bi, 0, 0, null);
}
g.setColor(Color.white);
g.fillRect(0, 0, destVI.getWidth(), destVI.getHeight());
// this will force the use of Transform primitive instead of
// Scale (the latter doesn't do bilinear filtering required by
// VALUE_RENDER_QUALITY, which triggers the bug in D3D pipeline
g.setRenderingHint(RenderingHints.KEY_RENDERING,
RenderingHints.VALUE_RENDER_QUALITY);
g.drawImage(bi, 0, 0, destVI.getWidth(), destVI.getHeight(), null);
g.fillRect(0, 0, destVI.getWidth(), destVI.getHeight());
g.drawImage(bi, 0, 0, destVI.getWidth(), destVI.getHeight(), null);
snapshot = destVI.getSnapshot();
} while (destVI.contentsLost());
f.dispose();
int whitePixel = Color.white.getRGB();
for (int y = 0; y < snapshot.getHeight(); y++) {
for (int x = 0; x < snapshot.getWidth(); x++) {
if (snapshot.getRGB(x, y) == whitePixel) {
System.out.printf("Found untouched pixel at %dx%d\n", x, y);
System.out.println("Dumping the dest. image to " +
"AcceleratedScaleTest_dst.png");
try {
ImageIO.write(snapshot, "png",
new File("AcceleratedScaleTest_dst.png"));
} catch (IOException ex) {
ex.printStackTrace();
}
throw new RuntimeException("Test failed.");
}
}
}
System.out.println("Test Passed.");
}
}