All,
The really simple java code below ...
Renders fine in OSX native java.
Renders fine on linux under local X11.
Renders fine on linux jdk1.7 /remotely/ to Xquartz via ssh -Y
Doesn't render properly from linux jdk1.8 /remotely/ to Xquartz via
ssh -Y.
I suspect some jdk-Xquartz related bug.
I don't know if its Xquartz or java - so I haven't formally filed a
bug yet on Xquartz.
Any suggestions appreciated. Happy to file a bug if someone knows
whose it is...
To reproduce:
ssh -Y to some linux machine with jdk1.8
% java -version
openjdk version "1.8.0_25"
....
% javac ImageBug.java
% java ImageBug
% compare to OSX native, in Terminal..
% cat ImageBug.java
import javax.swing.*;
import java.io.*;
import java.awt.*;
import java.awt.image.*;
import javax.imageio.*;
import java.awt.geom.AffineTransform;
import java.awt.event.*;
public class ImageBug extends Canvas
{
BufferedImage BIS;
int n=100;
int width=700,height=400;
public static void main(String [] args)
{
ImageBug IB = new ImageBug();
JFrame f = new JFrame("Window");
f.add(IB);
f.setSize(IB.width,IB.height);
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.setVisible(true);
IB.BIS = new BufferedImage(IB.n,IB.n,BufferedImage.TYPE_INT_RGB);
}
public void paint(Graphics g)
{
Graphics2D g2 = (Graphics2D)g;
int j,k;
for(j=0;j<n;j++)
for (k=0;k<n;k++) BIS.setRGB(j,k,j%255+(k%255)<<8);
g2.drawImage(BIS,0,0,width,height, 0,0,n,n, null);
// works if I draw it twice ???
//g2.drawImage(BIS,0,0,width,height, 0,0,n,n, null);
}
}
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