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Bug
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Resolution: Duplicate
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P4
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None
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8u25
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x86_64
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windows_7
FULL PRODUCT VERSION :
Java Version 8
ADDITIONAL OS VERSION INFORMATION :
Windows 7 Professional 64 BIT
EXTRA RELEVANT SYSTEM CONFIGURATION :
Lenovo Thinkpad T440
A DESCRIPTION OF THE PROBLEM :
I have a very simple java program that draws a rectangle but when I closely examine the rendered shape, I see two extra pixels that shouldn't be there
http://stackoverflow.com/questions/22058987/drawing-rectangle-in-java-shows-pixel-anomaly?rq=1
ADDITIONAL REGRESSION INFORMATION:
Any version prior to Version 8 works, at least with my Lenovo Thinkpad T440
STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Please refer to source code
EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
I was expecting to see a closed Rectangle
ACTUAL -
The rectangle is off by one pixel on the bottom right and bottom left (looks like an off-by-one pixel bug). Please fix this as it was working in prior version
ERROR MESSAGES/STACK TRACES THAT OCCUR :
None ... See link for screenshot
http://stackoverflow.com/questions/22058987/drawing-rectangle-in-java-shows-pixel-anomaly?rq=1
REPRODUCIBILITY :
This bug can be reproduced always.
---------- BEGIN SOURCE ----------
import java.awt.Graphics;
import java.io.IOException;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class JavaBug {
public JavaBug() throws IOException {
JFrame frame = new JFrame();
frame.add( new JPanel() {
private static final long serialVersionUID = 1L;
public void paintComponent( Graphics g ) {
super.paintComponent(g);
g.drawRect(50, 50, 20, 20);
}
});
frame.setSize(400, 300);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible( true );
}
public static void main(String [] args) throws IOException {
new JavaBug();
}
}
---------- END SOURCE ----------
CUSTOMER SUBMITTED WORKAROUND :
draw rectangle with individual lines
Java Version 8
ADDITIONAL OS VERSION INFORMATION :
Windows 7 Professional 64 BIT
EXTRA RELEVANT SYSTEM CONFIGURATION :
Lenovo Thinkpad T440
A DESCRIPTION OF THE PROBLEM :
I have a very simple java program that draws a rectangle but when I closely examine the rendered shape, I see two extra pixels that shouldn't be there
http://stackoverflow.com/questions/22058987/drawing-rectangle-in-java-shows-pixel-anomaly?rq=1
ADDITIONAL REGRESSION INFORMATION:
Any version prior to Version 8 works, at least with my Lenovo Thinkpad T440
STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Please refer to source code
EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
I was expecting to see a closed Rectangle
ACTUAL -
The rectangle is off by one pixel on the bottom right and bottom left (looks like an off-by-one pixel bug). Please fix this as it was working in prior version
ERROR MESSAGES/STACK TRACES THAT OCCUR :
None ... See link for screenshot
http://stackoverflow.com/questions/22058987/drawing-rectangle-in-java-shows-pixel-anomaly?rq=1
REPRODUCIBILITY :
This bug can be reproduced always.
---------- BEGIN SOURCE ----------
import java.awt.Graphics;
import java.io.IOException;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class JavaBug {
public JavaBug() throws IOException {
JFrame frame = new JFrame();
frame.add( new JPanel() {
private static final long serialVersionUID = 1L;
public void paintComponent( Graphics g ) {
super.paintComponent(g);
g.drawRect(50, 50, 20, 20);
}
});
frame.setSize(400, 300);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible( true );
}
public static void main(String [] args) throws IOException {
new JavaBug();
}
}
---------- END SOURCE ----------
CUSTOMER SUBMITTED WORKAROUND :
draw rectangle with individual lines
- duplicates
-
JDK-8049901 Graphics2D.drawLine sometimes draws lines too long with D3D on Intel HD cards
- Closed