#
# Copyright (C) 2000-2005 by Yasushi Saito (yasushi.saito@gmail.com)
#
# Jockey is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 2, or (at your option) any
# later version.
#
# Jockey is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# for more details.
#
import sys
import math
import types
import traceback
from types import *
def inch_to_point(inch):
return inch * 72.0
def point_to_inch(pt):
return float(pt) / 72.0
def rotate(x, y, degree):
"""Rotate a coordinate around point (0,0).
- x and y specify the coordinate.
- degree is a number from 0 to 360.
Returns a new coordinate.
"""
radian = float(degree) * 2 * math.pi / 360.0
newx = math.cos(radian) * x - math.sin(radian) * y
newy = math.sin(radian) * x + math.cos(radian) * y
return (newx, newy)
debug_level = 1
def warn(*strs):
for s in strs:
sys.stderr.write(str(s))
sys.stderr.write(" ")
sys.stderr.write("\n")
def info(*strs):
if debug_level < 100:
return
for s in strs:
sys.stderr.write(str(s))
sys.stderr.write("\n")
def get_sample_val(l, col):
if len(l) <= col:
return None
return l[col]
def get_data_list(data, col):
# data = [ elem[col] for elem in data if elem[col] != None ]
r = []
for item in data:
val = get_sample_val(item, col)
if val != None:
r.append(val)
return r
def get_data_range(data, col):
data = get_data_list(data, col)
for item in data:
if type(item) not in (types.IntType, types.LongType, types.FloatType):
raise TypeError, "Non-number passed to data: %s" % (data)
return (min(data), max(data))
def round_down(val, bound):
return int(val/float(bound)) * bound
def round_up(val, bound):
return (int((val-1)/float(bound))+1) * bound
#
# Attribute type checking stuff
#
def new_list():
return []
def union_dict(dict1, dict2):
dict = dict1.copy()
dict.update(dict2)
return dict
def TextVAlignType(val):
if val in ('T', 'B', 'M', None):
return None
return "Text vertical alignment must be one of T(op), B(ottom), or M(iddle).\n"
def TextAlignType(val):
if val in ('C', 'R', 'L', None):
return None
return "Text horizontal alignment must be one of C(enter), R(ight), or L(eft)."
def apply_format(format, val, defaultidx):
if format == None:
return None
elif type(format) == StringType:
return format % val[defaultidx]
else:
return apply(format, val)
data_desc = "Specifies the data points. <<chart_data>>"
label_desc = "The label to be displayed in the legend. <<legend>>, <<font>>"
xcol_desc = """The column, within attribute "data", from which the X values of sample points are extracted. <<chart_data>>"""
ycol_desc = """The column, within attribute "data", from which the Y values of sample points are extracted. <<chart_data>>"""
tick_mark_desc = "Tick marks to be displayed at each sample point. <<tick_mark>>"
line_desc="The style of the line. "
def interval_desc(w):
return "When the value is a number, it specifies the interval at which %s are drawn. Otherwise, the value must be a function that takes two arguments, min and max X (or Y) values. It must return a list of numbers that specify the X or Y points at which %s are drawn." % (w,w)
shadow_desc = """The value is either None or a tuple. When non-None,
a drop-shadow is drawn beneath the object. X-off, and y-off specifies the
offset of the shadow relative to the object, and fill specifies the
style of the shadow (@pxref{module-fill-style})."""
string_desc = """The appearance of the string produced here can be
controlled using escape sequences. <<font>>"""
#
#
class symbol_lookup_table:
def __init__(self, dict, objs):
self.names = {}
for name, val in dict.items():
for obj in objs.list():
if val == obj:
self.names[val] = name
break
def lookup(self, obj):
if self.names.has_key(obj):
return self.names[obj]
return None
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