[Bug 33254] problem rendering fonts in java when scroll down big text file

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=33254

--- Comment #3 from benderamp <benderamp at gmail.com> 2011-01-19 03:52:48 PST ---
>Is the point where it starts to fail at exactly 4000 lines, or can you try to
find out where?

I have created file with 2229 lines - the issue shows itself at the beginning
of the file until line 204 - starting from that line to the end of file no
corruption.

If I double the number of rows to 4457, the issue shows itself till line 2053.

Reducing number of rows from 2229 down:
with 2050 rows the issue stop at 36 row;
with 2038 rows about the same;
with 2028 row the issue does not show up.

it seems that 2037-2038 rows is the border for the issue - with 2038 I have
some messed rows at the beginning of the file, with 2037 rows all looks fine.

The file is as simple as copy-pasted import rows like:
import javax.swing.JCheckBox;
import javax.swing.JComboBox;
import javax.swing.JFileChooser;
import javax.swing.JLabel;
import javax.swing.JMenu;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JSeparator;import java.awt.FlowLayout;
import java.awt.event.KeyEvent;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileReader;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.Properties;
import java.util.Random;
import java.util.Set;

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