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<!DOCTYPE HTML PUBLIC "-//Netscape_Microsoft//DTD HTML 3.0//EN">
<HTML>

<!-- This file generated using the Python HTMLgen module. -->
<HEAD>
  <META NAME="GENERATOR" CONTENT="HTMLgen 1.1">
        <TITLE>PmwBlt.py</TITLE>
</HEAD>
<BODY BGCOLOR="#FFFFFF">
<PRE>
<FONT COLOR="#DD0000"># Python interface to some of the commands of the 2.1 version of the</FONT>
<FONT COLOR="#DD0000"># BLT extension to tcl.</FONT>

import types
import Tkinter

<FONT COLOR="#DD0000"># Supported commands:</FONT>
if Tkinter.TkVersion >= 8.0:
    _busyCommand = <FONT COLOR="#009900">'blt::busy'</FONT>
    _vectorCommand = <FONT COLOR="#009900">'blt::vector'</FONT>
    _graphCommand = <FONT COLOR="#009900">'blt::graph'</FONT>
else:
    _busyCommand = <FONT COLOR="#009900">'busy'</FONT>
    _vectorCommand = <FONT COLOR="#009900">'vector'</FONT>
    _graphCommand = <FONT COLOR="#009900">'graph'</FONT>

<FONT COLOR="#DD0000"># The graph and barchart widgets are essentially the same, so only</FONT>
<FONT COLOR="#DD0000"># graph has been ported.  If you want bars, use the element_bar()</FONT>
<FONT COLOR="#DD0000"># method of Graph.</FONT>

_haveBlt = None

<STRONG>def _checkForBlt</STRONG>(window):
    global _haveBlt

    <FONT COLOR="#DD0000"># Blt may be a package which has not yet been loaded.</FONT>
    try:
	window.tk.call(<FONT COLOR="#009900">'package'</FONT>, <FONT COLOR="#009900">'require'</FONT>, <FONT COLOR="#009900">'BLT'</FONT>)
    except Tkinter.TclError:
	<FONT COLOR="#DD0000"># Another way to try to dynamically load blt:</FONT>
	try:
	    window.tk.call(<FONT COLOR="#009900">'load'</FONT>, <FONT COLOR="#009900">''</FONT>, <FONT COLOR="#009900">'Blt'</FONT>)
	except Tkinter.TclError:
	    pass

    try:
	window.tk.call(_busyCommand, <FONT COLOR="#009900">'windows'</FONT>)
	_haveBlt = 1
    except Tkinter.TclError:
	_haveBlt = 0

<STRONG>def haveblt</STRONG>(window):
    if _haveBlt is None:
	_checkForBlt(window)
    return _haveBlt

<STRONG>def busy_hold</STRONG>(window):
    window.tk.call(_busyCommand, <FONT COLOR="#009900">'hold'</FONT>, window._w)

<STRONG>def busy_release</STRONG>(window):
    window.tk.call(_busyCommand, <FONT COLOR="#009900">'release'</FONT>, window._w)

<FONT COLOR="#DD0000">#=============================================================================</FONT>
<FONT COLOR="#DD0000"># Interface to the blt vector command</FONT>
<FONT COLOR="#DD0000"># The dup, offset and populate methods and the +, -, * and / operations</FONT>
<FONT COLOR="#DD0000"># are not supported.</FONT>

<STRONG><FONT COLOR="#CC6600">class Vector</FONT></STRONG>:
    _varnum = 0
<STRONG>    def __init__</STRONG>(self, size=None, master=None):
	if master:
	    self._master = master
	else:
	    self._master = Tkinter._default_root
	self._tk = self._master.tk
	self._name = <FONT COLOR="#009900">'PY_VEC'</FONT> + str(Vector._varnum)
	Vector._varnum = Vector._varnum + 1
	if size is None:
	    self._tk.call(_vectorCommand, self._name)
	else:
	  self._tk.call(_vectorCommand, self._name + <FONT COLOR="#009900">'('</FONT> + str(size) + <FONT COLOR="#009900">')'</FONT>)
<STRONG>    def __del__</STRONG>(self):
	self._tk.globalunsetvar(self._name)
<STRONG>    def __str__</STRONG>(self):
	return self._name

<STRONG>    def __repr__</STRONG>(self):
	rtnstr = <FONT COLOR="#009900">'['</FONT>
	butFirst = 0
	for value in self:
	    if butFirst:
		rtnstr = rtnstr + <FONT COLOR="#009900">', '</FONT>
	    else:
		butFirst = 1
	    rtnstr = rtnstr + str(value)
	rtnstr = rtnstr + <FONT COLOR="#009900">']'</FONT>
	return rtnstr
<STRONG>    def __cmp__</STRONG>(self, list):
	return cmp(self[:], list)

<STRONG>    def __len__</STRONG>(self): 
	return self._tk.getint(self._tk.call(self._name, <FONT COLOR="#009900">'length'</FONT>))
<STRONG>    def __getitem__</STRONG>(self, key): 
	if key < 0:
	    key = key + len(self)
	try:
	    return self._tk.getdouble(self._tk.globalgetvar(self._name, str(key)))
        except Tkinter.TclError:
	    raise IndexError
<STRONG>    def __setitem__</STRONG>(self, key, value): 
	if key < 0:
	    key = key + len(self)
	return self._tk.globalsetvar(self._name, str(key), float(value))

<STRONG>    def __delitem__</STRONG>(self, key):
	if key < 0:
	    key = key + len(self)
	return self._tk.globalunsetvar(self._name, str(key))

<STRONG>    def __getslice__</STRONG>(self, start, end):
	string = self._tk.globalgetvar(self._name, str(start) + <FONT COLOR="#009900">':'</FONT> + str(end))
	return map(self._tk.getdouble, self._tk.splitlist(string))
<STRONG>    def __setslice__</STRONG>(self, start, end, list):
	if end - start == len(list):
	    for count in range(end - start):
	        self[start + count] = list[count]
	else:
	    self.set(self[:start] + list + self[end:])
<STRONG>    def __delslice__</STRONG>(self, start, end):
	self.unset(start, end - 1)

<STRONG>    def set</STRONG>(self, list):
	if type(list) != types.TupleType:
	    list = tuple(list)
	self._tk.call(self._name, <FONT COLOR="#009900">'set'</FONT>, list)

<STRONG>    def get</STRONG>(self):
	<FONT COLOR="#DD0000"># This should be "return self[:]", but there is a bug in blt vector.</FONT>
	string = self._tk.call(self._name, <FONT COLOR="#009900">'range'</FONT>, 0, <FONT COLOR="#009900">'end'</FONT>)
	return map(self._tk.getdouble, self._tk.splitlist(string))

<STRONG>    def append</STRONG>(self, value):
	<FONT COLOR="#DD0000"># This should be as follows, but there is a bug in blt vector unset.</FONT>
	# self._tk.call(self._name, <FONT COLOR="#009900">'append'</FONT>, args)   (given *args as second param)
	return self._tk.globalsetvar(self._name, <FONT COLOR="#009900">'++end'</FONT>, float(value))
<STRONG>    def count</STRONG>(self, start):
	return len(self._tk.splitlist(self._tk.call(self._name, <FONT COLOR="#009900">'search'</FONT>, start)))
<STRONG>    def search</STRONG>(self, start, end=None):
	return self._master._getints(self._tk.call(
		self._name, <FONT COLOR="#009900">'search'</FONT>, start, end))

<STRONG>    def index</STRONG>(self, value):
	strings = self._tk.splitlist(self._tk.call(self._name, <FONT COLOR="#009900">'search'</FONT>, value))
	if len(strings) == 0:
	    raise ValueError, str(value) + <FONT COLOR="#009900">' not in list'</FONT>
	return self._tk.getint(strings[0])

<STRONG>    def insert</STRONG>(self, index, value):
	self[index:index] = [value]
<STRONG>    def remove</STRONG>(self, value):
	del self[self.index(value)]
<STRONG>    def reverse</STRONG>(self):
	s = self[:]
	s.reverse()
	self[:] = s
<STRONG>    def sort</STRONG>(self, *args):
	apply(self._tk.call, (self._name, <FONT COLOR="#009900">'sort'</FONT>) + args)
<STRONG>    def sort_reverse</STRONG>(self, *args):
	apply(self._tk.call, (self._name, <FONT COLOR="#009900">'sort'</FONT>, <FONT COLOR="#009900">'-reverse'</FONT>) + args)

<STRONG>    def min</STRONG>(self):
	return self._tk.getdouble(self._tk.globalgetvar(self._name, <FONT COLOR="#009900">'min'</FONT>))
<STRONG>    def max</STRONG>(self):
	return self._tk.getdouble(self._tk.globalgetvar(self._name, <FONT COLOR="#009900">'max'</FONT>))

<STRONG>    def clear</STRONG>(self):
	self._tk.call(self._name, <FONT COLOR="#009900">'clear'</FONT>)
<STRONG>    def delete</STRONG>(self, *args):
	apply(self._tk.call, (self._name, <FONT COLOR="#009900">'delete'</FONT>) + args)
<STRONG>    def length</STRONG>(self, newSize=None): 
	return self._tk.getint(self._tk.call(self._name, <FONT COLOR="#009900">'length'</FONT>, newSize))
<STRONG>    def range</STRONG>(self, first, last=None):
	string = self._tk.call(self._name, <FONT COLOR="#009900">'range'</FONT>, first, last)
	return map(self._tk.getdouble, self._tk.splitlist(string))

<FONT COLOR="#DD0000">#=============================================================================</FONT>
<STRONG><FONT COLOR="#CC6600">class Graph</FONT></STRONG>(Tkinter.Widget):
    <FONT COLOR="#DD0000"># Wrapper for the blt graph widget, version 2.1.</FONT>

<STRONG>    def __init__</STRONG>(self, master=None, cnf={}, **kw):
	Tkinter.Widget.__init__(self, master, _graphCommand, cnf, kw)

<STRONG>    def _configure</STRONG>(self, subcommand, option, kw):
	<FONT COLOR="#DD0000"># Handle configuration of widgets, canvas items, text items,</FONT>
	<FONT COLOR="#DD0000"># images, etc.  Supports the forms configure() and</FONT>
	# configure(<FONT COLOR="#009900">'font'</FONT>) for querying and configure(font = <FONT COLOR="#009900">'fixed'</FONT>,
	# text = <FONT COLOR="#009900">'hello'</FONT>) for setting.

	if not option and not kw:
	    <FONT COLOR="#DD0000"># Return a description of all options.</FONT>
	    ret = {}
	    options = self.tk.splitlist(apply(self.tk.call, subcommand))
	    for optionString in options:
		optionInfo = self.tk.splitlist(optionString)
		option = optionInfo[0][1:]
		ret[option] = (option,) + optionInfo[1:]
	    return ret

	if option:
	    <FONT COLOR="#DD0000"># Return a description of the option given by &lt;option&gt;.</FONT>
	    if kw:
		<FONT COLOR="#DD0000"># Having keywords implies setting configuration options.</FONT>
		<FONT COLOR="#DD0000"># Can't set and get in one command!</FONT>
		raise ValueError, <FONT COLOR="#009900">'cannot have option argument with keywords'</FONT>
	    option = <FONT COLOR="#009900">'-'</FONT> + option
	    optionInfo = self.tk.splitlist(
		    apply(self.tk.call, subcommand + (option,)))
	    return (optionInfo[0][1:],) + optionInfo[1:]

	<FONT COLOR="#DD0000"># Otherwise, set the given configuration options.</FONT>
	apply(self.tk.call, subcommand + self._options(kw))

<STRONG>    def extents</STRONG>(self, item):
	return self.tk.getint(self.tk.call(self._w, <FONT COLOR="#009900">'extents'</FONT>, item))

<STRONG>    def invtransform</STRONG>(self, winX, winY):
	return self._getdoubles(
		self.tk.call(self._w, <FONT COLOR="#009900">'invtransform'</FONT>, winX, winY))
<STRONG>    def transform</STRONG>(self, x, y):
	return self._getdoubles(self.tk.call(self._w, <FONT COLOR="#009900">'transform'</FONT>, x, y))

    <FONT COLOR="#DD0000"># The axis commands may be called in one of two ways. For example:</FONT>
    #   axis_cget(<FONT COLOR="#009900">'x'</FONT>, <FONT COLOR="#009900">'justify'</FONT>)
    <FONT COLOR="#DD0000"># or</FONT>
    #   xaxis_cget(<FONT COLOR="#009900">'justify'</FONT>)
<STRONG>    def axis_cget</STRONG>(self, axis, key):
	return self.tk.call(self._w, axis + <FONT COLOR="#009900">'axis'</FONT>, <FONT COLOR="#009900">'cget'</FONT>, <FONT COLOR="#009900">'-'</FONT> + key)
<STRONG>    def axis_configure</STRONG>(self, axis, option=None, **kw):
	subcommand = (self._w, axis + <FONT COLOR="#009900">'axis'</FONT>, <FONT COLOR="#009900">'configure'</FONT>)
	return self._configure(subcommand, option, kw)
<STRONG>    def axis_invtransform</STRONG>(self, axis, value):
	return self.tk.getdouble(self.tk.call(
		self._w, axis + <FONT COLOR="#009900">'axis'</FONT>, <FONT COLOR="#009900">'invtransform'</FONT>, value))
<STRONG>    def axis_limits</STRONG>(self, axis):
	return self._getdoubles(self.tk.call(
		self._w, axis + <FONT COLOR="#009900">'axis'</FONT>, <FONT COLOR="#009900">'limits'</FONT>))
<STRONG>    def axis_transform</STRONG>(self, axis, value):
	return self.tk.getint(self.tk.call(
		self._w, axis + <FONT COLOR="#009900">'axis'</FONT>, <FONT COLOR="#009900">'transform'</FONT>, value))

<STRONG>    def xaxis_cget</STRONG>(self, key):
	return self.axis_cget(<FONT COLOR="#009900">'x'</FONT>, key)
<STRONG>    def xaxis_configure</STRONG>(self, option=None, **kw):
	return apply(self.axis_configure, (<FONT COLOR="#009900">'x'</FONT>, option), kw)
<STRONG>    def xaxis_invtransform</STRONG>(self, value):
	return self.axis_invtransform(<FONT COLOR="#009900">'x'</FONT>, value)
<STRONG>    def xaxis_limits</STRONG>(self):
	return self.axis_limits(<FONT COLOR="#009900">'x'</FONT>)
<STRONG>    def xaxis_transform</STRONG>(self, value):
	return self.axis_transform(<FONT COLOR="#009900">'x'</FONT>, value)

<STRONG>    def x2axis_cget</STRONG>(self, key):
	return self.axis_cget(<FONT COLOR="#009900">'x2'</FONT>, key)
<STRONG>    def x2axis_configure</STRONG>(self, option=None, **kw):
	return apply(self.axis_configure, (<FONT COLOR="#009900">'x2'</FONT>, option), kw)
<STRONG>    def x2axis_invtransform</STRONG>(self, value):
	return self.axis_invtransform(<FONT COLOR="#009900">'x2'</FONT>, value)
<STRONG>    def x2axis_limits</STRONG>(self):
	return self.axis_limits(<FONT COLOR="#009900">'x2'</FONT>)
<STRONG>    def x2axis_transform</STRONG>(self, value):
	return self.axis_transform(<FONT COLOR="#009900">'x2'</FONT>, value)

<STRONG>    def yaxis_cget</STRONG>(self, key):
	return self.axis_cget(<FONT COLOR="#009900">'y'</FONT>, key)
<STRONG>    def yaxis_configure</STRONG>(self, option=None, **kw):
	return apply(self.axis_configure, (<FONT COLOR="#009900">'y'</FONT>, option), kw)
<STRONG>    def yaxis_invtransform</STRONG>(self, value):
	return self.axis_invtransform(<FONT COLOR="#009900">'y'</FONT>, value)
<STRONG>    def yaxis_limits</STRONG>(self):
	return self.axis_limits(<FONT COLOR="#009900">'y'</FONT>)
<STRONG>    def yaxis_transform</STRONG>(self, value):
	return self.axis_transform(<FONT COLOR="#009900">'y'</FONT>, value)

<STRONG>    def y2axis_cget</STRONG>(self, key):
	return self.axis_cget(<FONT COLOR="#009900">'y2'</FONT>, key)
<STRONG>    def y2axis_configure</STRONG>(self, option=None, **kw):
	return apply(self.axis_configure, (<FONT COLOR="#009900">'y2'</FONT>, option), kw)
<STRONG>    def y2axis_invtransform</STRONG>(self, value):
	return self.axis_invtransform(<FONT COLOR="#009900">'y2'</FONT>, value)
<STRONG>    def y2axis_limits</STRONG>(self):
	return self.axis_limits(<FONT COLOR="#009900">'y2'</FONT>)
<STRONG>    def y2axis_transform</STRONG>(self, value):
	return self.axis_transform(<FONT COLOR="#009900">'y2'</FONT>, value)

<STRONG>    def crosshairs_cget</STRONG>(self, key):
	return self.tk.call(self._w, <FONT COLOR="#009900">'crosshairs'</FONT>, <FONT COLOR="#009900">'cget'</FONT>, <FONT COLOR="#009900">'-'</FONT> + key)
<STRONG>    def crosshairs_configure</STRONG>(self, option=None, **kw):
	subcommand = (self._w, <FONT COLOR="#009900">'crosshairs'</FONT>, <FONT COLOR="#009900">'configure'</FONT>)
	return self._configure(subcommand, option, kw)
<STRONG>    def crosshairs_off</STRONG>(self):
	self.tk.call(self._w, <FONT COLOR="#009900">'crosshairs'</FONT>, <FONT COLOR="#009900">'off'</FONT>)
<STRONG>    def crosshairs_on</STRONG>(self):
	self.tk.call(self._w, <FONT COLOR="#009900">'crosshairs'</FONT>, <FONT COLOR="#009900">'on'</FONT>)
<STRONG>    def crosshairs_toggle</STRONG>(self):
	self.tk.call(self._w, <FONT COLOR="#009900">'crosshairs'</FONT>, <FONT COLOR="#009900">'toggle'</FONT>)

<STRONG>    def element_activate</STRONG>(self, name, *args):
	apply(self.tk.call, (self._w, <FONT COLOR="#009900">'element'</FONT>, <FONT COLOR="#009900">'activate'</FONT>, name) + args)
<STRONG>    def element_bar</STRONG>(self, name, **kw):
	apply(self.tk.call,
	    (self._w, <FONT COLOR="#009900">'element'</FONT>, <FONT COLOR="#009900">'bar'</FONT>, name) + self._options(kw))
<STRONG>    def element_cget</STRONG>(self, name, key):
	return self.tk.call(self._w, <FONT COLOR="#009900">'element'</FONT>, <FONT COLOR="#009900">'cget'</FONT>, name, <FONT COLOR="#009900">'-'</FONT> + key)

<STRONG>    def element_closest</STRONG>(self, x, y, *args, **kw):
	success = self.tk.getint(apply(self.tk.call,
	    (self._w, <FONT COLOR="#009900">'element'</FONT>, <FONT COLOR="#009900">'closest'</FONT>, x, y, <FONT COLOR="#009900">'python_private_1'</FONT>) + 
		    args + self._options(kw)))
	if success:
	    rtn = {}
	    rtn[<FONT COLOR="#009900">'dist'</FONT>] = self.tk.getdouble(self.tk.globalgetvar(<FONT COLOR="#009900">'python_private_1'</FONT>, <FONT COLOR="#009900">'dist'</FONT>))
	    rtn[<FONT COLOR="#009900">'x'</FONT>] = self.tk.getdouble(self.tk.globalgetvar(<FONT COLOR="#009900">'python_private_1'</FONT>, <FONT COLOR="#009900">'x'</FONT>))
	    rtn[<FONT COLOR="#009900">'y'</FONT>] = self.tk.getdouble(self.tk.globalgetvar(<FONT COLOR="#009900">'python_private_1'</FONT>, <FONT COLOR="#009900">'y'</FONT>))
	    rtn[<FONT COLOR="#009900">'index'</FONT>] = self.tk.getint(self.tk.globalgetvar(<FONT COLOR="#009900">'python_private_1'</FONT>, <FONT COLOR="#009900">'index'</FONT>))
	    rtn[<FONT COLOR="#009900">'name'</FONT>] = self.tk.globalgetvar(<FONT COLOR="#009900">'python_private_1'</FONT>, <FONT COLOR="#009900">'name'</FONT>)
	    return rtn
	else:
	    return None

<STRONG>    def element_configure</STRONG>(self, name, option=None, **kw):
	subcommand = (self._w, <FONT COLOR="#009900">'element'</FONT>, <FONT COLOR="#009900">'configure'</FONT>, name)
	return self._configure(subcommand, option, kw)
<STRONG>    def element_create</STRONG>(self, name, **kw):
	apply(self.tk.call,
	    (self._w, <FONT COLOR="#009900">'element'</FONT>, <FONT COLOR="#009900">'create'</FONT>, name) + self._options(kw))

<STRONG>    def element_deactivate</STRONG>(self, *args):
	apply(self.tk.call, (self._w, <FONT COLOR="#009900">'element'</FONT>, <FONT COLOR="#009900">'deactivate'</FONT>) + args)

<STRONG>    def element_delete</STRONG>(self, *args):
	apply(self.tk.call, (self._w, <FONT COLOR="#009900">'element'</FONT>, <FONT COLOR="#009900">'delete'</FONT>) + args)
<STRONG>    def element_exists</STRONG>(self, name):
	return self.tk.getboolean(
		self.tk.call(self._w, <FONT COLOR="#009900">'element'</FONT>, <FONT COLOR="#009900">'exists'</FONT>, name))

<STRONG>    def element_line</STRONG>(self, name, **kw):
	apply(self.tk.call,
	    (self._w, <FONT COLOR="#009900">'element'</FONT>, <FONT COLOR="#009900">'line'</FONT>, name) + self._options(kw))
<STRONG>    def element_names</STRONG>(self):
	return self.tk.splitlist(self.tk.call(self._w, <FONT COLOR="#009900">'element'</FONT>, <FONT COLOR="#009900">'names'</FONT>))
<STRONG>    def element_show</STRONG>(self, nameList=None):
	if nameList is not None:
	    nameList = tuple(nameList)
	return self.tk.splitlist(
		self.tk.call(self._w, <FONT COLOR="#009900">'element'</FONT>, <FONT COLOR="#009900">'show'</FONT>, nameList))
<STRONG>    def element_type</STRONG>(self, name):
	return self.tk.call(self._w, <FONT COLOR="#009900">'element'</FONT>, <FONT COLOR="#009900">'type'</FONT>, name)

<STRONG>    def grid_cget</STRONG>(self, key):
	return self.tk.call(self._w, <FONT COLOR="#009900">'grid'</FONT>, <FONT COLOR="#009900">'cget'</FONT>, <FONT COLOR="#009900">'-'</FONT> + key)
<STRONG>    def grid_configure</STRONG>(self, option=None, **kw):
	subcommand = (self._w, <FONT COLOR="#009900">'grid'</FONT>, <FONT COLOR="#009900">'configure'</FONT>)
	return self._configure(subcommand, option, kw)

<STRONG>    def grid_off</STRONG>(self):
	self.tk.call(self._w, <FONT COLOR="#009900">'grid'</FONT>, <FONT COLOR="#009900">'off'</FONT>)
<STRONG>    def grid_on</STRONG>(self):
	self.tk.call(self._w, <FONT COLOR="#009900">'grid'</FONT>, <FONT COLOR="#009900">'on'</FONT>)
<STRONG>    def grid_toggle</STRONG>(self):
	self.tk.call(self._w, <FONT COLOR="#009900">'grid'</FONT>, <FONT COLOR="#009900">'toggle'</FONT>)

<STRONG>    def legend_activate</STRONG>(self, *args):
	apply(self.tk.call, (self._w, <FONT COLOR="#009900">'legend'</FONT>, <FONT COLOR="#009900">'activate'</FONT>) + args)
<STRONG>    def legend_cget</STRONG>(self, key):
	return self.tk.call(self._w, <FONT COLOR="#009900">'legend'</FONT>, <FONT COLOR="#009900">'cget'</FONT>, <FONT COLOR="#009900">'-'</FONT> + key)
<STRONG>    def legend_configure</STRONG>(self, option=None, **kw):
	subcommand = (self._w, <FONT COLOR="#009900">'legend'</FONT>, <FONT COLOR="#009900">'configure'</FONT>)
	return self._configure(subcommand, option, kw)
<STRONG>    def legend_deactivate</STRONG>(self, *args):
	apply(self.tk.call, (self._w, <FONT COLOR="#009900">'legend'</FONT>, <FONT COLOR="#009900">'deactivate'</FONT>) + args)
<STRONG>    def legend_get</STRONG>(self, pos):
	return self.tk.call(self._w, <FONT COLOR="#009900">'legend'</FONT>, <FONT COLOR="#009900">'get'</FONT>, pos)

<STRONG>    def postscript_cget</STRONG>(self, key):
	return self.tk.call(self._w, <FONT COLOR="#009900">'postscript'</FONT>, <FONT COLOR="#009900">'cget'</FONT>, <FONT COLOR="#009900">'-'</FONT> + key)
<STRONG>    def postscript_configure</STRONG>(self, option=None, **kw):
	subcommand = (self._w, <FONT COLOR="#009900">'postscript'</FONT>, <FONT COLOR="#009900">'configure'</FONT>)
	return self._configure(subcommand, option, kw)
<STRONG>    def postscript_output</STRONG>(self, fileName=None, **kw):
	prefix = (self._w, <FONT COLOR="#009900">'postscript'</FONT>, <FONT COLOR="#009900">'output'</FONT>)
	if fileName is None:
	    return apply(self.tk.call, prefix + self._options(kw))
	else:
	    apply(self.tk.call, prefix + (fileName,) + self._options(kw))

<STRONG>    def marker_after</STRONG>(self, first, second=None):
	self.tk.call(self._w, <FONT COLOR="#009900">'marker'</FONT>, <FONT COLOR="#009900">'after'</FONT>, first, second)
<STRONG>    def marker_before</STRONG>(self, first, second=None):
	self.tk.call(self._w, <FONT COLOR="#009900">'marker'</FONT>, <FONT COLOR="#009900">'before'</FONT>, first, second)
<STRONG>    def marker_cget</STRONG>(self, name, key):
	return self.tk.call(self._w, <FONT COLOR="#009900">'marker'</FONT>, <FONT COLOR="#009900">'cget'</FONT>, name, <FONT COLOR="#009900">'-'</FONT> + key)
<STRONG>    def marker_configure</STRONG>(self, name, option=None, **kw):
	subcommand = (self._w, <FONT COLOR="#009900">'marker'</FONT>, <FONT COLOR="#009900">'configure'</FONT>, name)
	return self._configure(subcommand, option, kw)
<STRONG>    def marker_create</STRONG>(self, type, **kw):
	return apply(self.tk.call,
	    (self._w, <FONT COLOR="#009900">'marker'</FONT>, <FONT COLOR="#009900">'create'</FONT>, type) + self._options(kw))

<STRONG>    def marker_delete</STRONG>(self, *args):
	apply(self.tk.call, (self._w, <FONT COLOR="#009900">'marker'</FONT>, <FONT COLOR="#009900">'delete'</FONT>) + args)
<STRONG>    def marker_exists</STRONG>(self, name):
	return self.tk.getboolean(
		self.tk.call(self._w, <FONT COLOR="#009900">'marker'</FONT>, <FONT COLOR="#009900">'exists'</FONT>, name))
<STRONG>    def marker_names</STRONG>(self, pattern=None):
	return self.tk.splitlist(
		self.tk.call(self._w, <FONT COLOR="#009900">'marker'</FONT>, <FONT COLOR="#009900">'names'</FONT>, pattern))
<STRONG>    def marker_type</STRONG>(self, name):
	type = self.tk.call(self._w, <FONT COLOR="#009900">'marker'</FONT>, <FONT COLOR="#009900">'type'</FONT>, name)
	if type == <FONT COLOR="#009900">''</FONT>:
	    type = None
	return type

</PRE>

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