bgr

# Java Swing JTree demo in Jython

import java
from java.awt import Dimension, GridLayout, Toolkit, BorderLayout
from javax.swing.event import TreeModelListener
from javax.swing import (JPanel, JButton, SwingUtilities, JTree, JFrame,
                         JScrollPane, JTextField, ImageIcon, ToolTipManager,
                         JSplitPane, JEditorPane)
from javax.swing.event import TreeModelEvent
from javax.swing.tree import (DefaultTreeCellRenderer, DefaultTreeCellEditor,

bgr

"""
    Draws a Sierpinski triangle (using PIL library)
    result (using 2**13 rows = 8192 x 8192): http://i.imgur.com/qFkI9Yu.png
"""

rows_to_write = 2**11


def gen_rows(n_rows):
    r = 1