/*
* Copyright (c) 2007, 2016, 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
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* questions.
*/
/**
* @test
* @key headful
* @bug 6613860 6691934
* @summary Tests that the pipelines can handle (in somewhat limited
* manner) mutable Colors
*
* @run main/othervm MutableColorTest
* @run main/othervm -Dsun.java2d.noddraw=true MutableColorTest
* @run main/othervm -Dsun.java2d.opengl=True MutableColorTest
*/
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.GraphicsConfiguration;
import java.awt.GraphicsEnvironment;
import java.awt.Image;
import java.awt.Transparency;
import java.awt.geom.Ellipse2D;
import java.awt.image.BufferedImage;
import java.awt.image.VolatileImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
public class MutableColorTest {
static Image bmImage;
static Image argbImage;
static class EvilColor extends Color {
Color colors[] = { Color.red, Color.green, Color.blue };
int currentIndex = 0;
EvilColor() {
super(Color.red.getRGB());
}
@Override
public int getRGB() {
return colors[currentIndex].getRGB();
}
void nextColor() {
currentIndex++;
}
}
private static int testImage(Image im,
boolean doClip, boolean doTx)
{
int w = im.getWidth(null);
int h = im.getHeight(null);
Graphics2D g = (Graphics2D)im.getGraphics();
EvilColor evilColor = new EvilColor();
g.setColor(evilColor);
g.fillRect(0, 0, w, h);
g.dispose();
evilColor.nextColor();
g = (Graphics2D)im.getGraphics();
if (doTx) {
g.rotate(Math.PI/2.0, w/2, h/2);
}
g.setColor(evilColor);
g.fillRect(0, 0, w, h);
if (doClip) {
g.clip(new Ellipse2D.Float(0, 0, w, h));
}
g.fillRect(0, h/3, w, h/3);
// tests native BlitBg loop
g.drawImage(bmImage, 0, 2*h/3, evilColor, null);
// tests General BlitBg loop
g.drawImage(argbImage, 0, 2*h/3+h/3/2, evilColor, null);
return evilColor.getRGB();
}
private static void testResult(final String desc,
final BufferedImage snapshot,
final int evilColor) {
for (int y = 0; y < snapshot.getHeight(); y++) {
for (int x = 0; x < snapshot.getWidth(); x++) {
int snapRGB = snapshot.getRGB(x, y);
if (!isSameColor(snapRGB, evilColor)) {
System.err.printf("Wrong RGB for %s at (%d,%d): 0x%x " +
"instead of 0x%x\n", desc, x, y, snapRGB, evilColor);
String fileName = "MutableColorTest_"+desc+".png";
try {
ImageIO.write(snapshot, "png", new File(fileName));
System.err.println("Dumped snapshot to "+fileName);
} catch (IOException ex) {}
throw new RuntimeException("Test FAILED.");
}
}
}
}
public static void main(String[] args) {
GraphicsConfiguration gc =
GraphicsEnvironment.getLocalGraphicsEnvironment().
getDefaultScreenDevice().getDefaultConfiguration();
bmImage = gc.createCompatibleImage(64, 64, Transparency.BITMASK);
argbImage = gc.createCompatibleImage(64, 64, Transparency.TRANSLUCENT);
if (gc.getColorModel().getPixelSize() > 8) {
VolatileImage vi =
gc.createCompatibleVolatileImage(64, 64, Transparency.OPAQUE);
do {
if (vi.validate(gc) == VolatileImage.IMAGE_INCOMPATIBLE) {
vi = gc.createCompatibleVolatileImage(64, 64,
Transparency.OPAQUE);
vi.validate(gc);
}
int color = testImage(vi, false, false);
testResult("vi_noclip_notx", vi.getSnapshot(), color);
color = testImage(vi, true, true);
testResult("vi_clip_tx", vi.getSnapshot(), color);
color = testImage(vi, true, false);
testResult("vi_clip_notx", vi.getSnapshot(), color);
color = testImage(vi, false, true);
testResult("vi_noclip_tx", vi.getSnapshot(), color);
} while (vi.contentsLost());
}
BufferedImage bi = new BufferedImage(64, 64, BufferedImage.TYPE_INT_RGB);
int color = testImage(bi, false, false);
testResult("bi_noclip_notx", bi, color);
color = testImage(bi, true, true);
testResult("bi_clip_tx", bi, color);
color = testImage(bi, true, false);
testResult("bi_clip_notx", bi, color);
color = testImage(bi, false, true);
testResult("bi_noclip_tx", bi, color);
System.err.println("Test passed.");
}
/*
* We assume that colors with slightly different components
* are the same. This is done just in order to workaround
* peculiarities of OGL rendering pipeline on some platforms.
* See CR 6989217 for more details.
*/
private static boolean isSameColor(int color1, int color2) {
final int tolerance = 2;
for (int i = 0; i < 32; i += 8) {
int c1 = 0xff & (color1 >> i);
int c2 = 0xff & (color2 >> i);
if (Math.abs(c1 - c2) > tolerance) {
return false;
}
}
return true;
}
}