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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 .
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/*
* @ test
* @ key headful
* @ bug 8024343 8042098
* @ summary Test verifies that accelerated pipelines
* correctly draws primitives in XOR mode .
* @ run main / othervm - Dsun . java2d . xrender = True AcceleratedXORModeTest
*/
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.GraphicsConfiguration;
import java.awt.GraphicsEnvironment;
import java.awt.image.BufferedImage;
import java.awt.image.VolatileImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
public class AcceleratedXORModeTest {
public static void main(String argv[]) {
String fileName = argv.length > 0 ? argv[0 ] : null ;
new AcceleratedXORModeTest(fileName).test();
}
static final Color backColor = Color.red;
static final Color color1 = Color.green;
static final Color color2 = Color.yellow;
static final Color xorColor1 = Color.blue;
static final Color xorColor2 = Color.white;
static final int width = 700 , height = 300 ;
VolatileImage vImg = null ;
String fileName;
public AcceleratedXORModeTest(String fileName) {
this .fileName = fileName;
}
void draw(Graphics2D g) {
g.setColor(backColor);
g.fillRect(0 , 0 , width, height);
g.setXORMode(xorColor1);
drawPattern(g, 100 );
g.setXORMode(xorColor2);
drawPattern(g, 400 );
g.dispose();
}
void test(BufferedImage bi) {
comparePattern(bi, 150 , xorColor1.getRGB());
comparePattern(bi, 450 , xorColor2.getRGB());
}
void comparePattern(BufferedImage bi, int startX, int xorColor) {
int [] expectedColors = {
backColor.getRGB() ^ color1.getRGB() ^ xorColor,
backColor.getRGB() ^ color1.getRGB() ^ xorColor ^
color2.getRGB() ^ xorColor,
backColor.getRGB() ^ color2.getRGB() ^ xorColor
};
for (int i = 0 ; i < 3 ; i++) {
int x = startX + 100 * i;
int rgb = bi.getRGB(x, 150 );
if (rgb != expectedColors[i]) {
String msg = "Colors mismatch: x = " + x +
", got " + new Color(rgb) + ", expected " +
new Color(expectedColors[i]);
System.err.println(msg);
write(bi);
throw new RuntimeException("FAILED: " + msg);
}
}
}
void drawPattern(Graphics2D g, int x) {
g.setColor(color1);
g.fillRect(x, 0 , 200 , 300 );
g.setColor(color2);
g.fillRect(x+100 , 0 , 200 , 300 );
}
GraphicsConfiguration getDefaultGC() {
return GraphicsEnvironment.getLocalGraphicsEnvironment().
getDefaultScreenDevice().getDefaultConfiguration();
}
void createVImg() {
if (vImg != null ) {
vImg.flush();
vImg = null ;
}
vImg = getDefaultGC().createCompatibleVolatileImage(width, height);
}
void write(BufferedImage bi) {
if (fileName != null ) {
try {
ImageIO.write(bi, "png" , new File(fileName));
} catch (IOException e) {
System.err.println("Can't write image file " + fileName);
}
}
}
void test() {
createVImg();
BufferedImage bi = null ;
do {
int valCode = vImg.validate(getDefaultGC());
if (valCode == VolatileImage.IMAGE_INCOMPATIBLE) {
createVImg();
}
Graphics2D g = vImg.createGraphics();
draw(g);
bi = vImg.getSnapshot();
} while (vImg.contentsLost());
if (bi != null ) {
test(bi);
write(bi);
}
}
}
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