If you run the code below you will see a small white area in the lower right part of
the generalpath. This is a simple path but I have quite complex paths and would like
to know if there is an easy way to fix this? It seams like fill and draw methods draw
things with some kind of offset from each other. I have tried to create two different
generalpaths, one for draw and one for fill. Then I moved (translated) the generalpath
used by fill one pixel down and one pixel to the right. Unfortunately I ended up
having small white areas in the upper left part of my paths instead.
Anders
//--------------------------------------------------------
import java.awt.*;
import java.awt.geom.*;
import javax.swing.*;
public class GPPanel extends JPanel {
private JFrame frame;
private Dimension dim = new Dimension(400,400);
int[] px = {200,300,200,100};
int[] py = {100,200,300,200};
GeneralPath gp = new GeneralPath();
public GPPanel (JFrame frame) {
this.frame = frame;
gp.moveTo(px[0], py[0]);
for (int i=1; i<px.length; i++)
gp.lineTo(px[i], py[i]);
gp.closePath();
setBackground(Color.white);
setPreferredSize(dim);
}
public void paintComponent(Graphics g) {
super.paintComponent(g);
Graphics2D g2d = (Graphics2D)g;
g2d.setColor(getBackground());
g2d.fillRect(0, 0, dim.width, dim.height);
g2d.setColor(Color.gray);
g2d.fill(gp);
g2d.setColor(Color.red);
g2d.draw(gp);
}
public static void main(String[] args) {
JFrame f = new JFrame();
GPPanel p = new GPPanel(f);
f.getContentPane().add(p);
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.pack();
f.show();
}
}
//--------------------------------------------------------
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