/usr/share/pyshared/pychart/axis.py is in python-pychart 1.39-7build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 | #
# 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 font
import pychart_util
import chart_object
import line_style
import math
import theme
import axis_doc
from pychart_types import *
from types import *
class T(chart_object.T):
keys = {
"tic_interval" : (IntervalType, None,
pychart_util.interval_desc("tick marks")),
"tic_len" : (UnitType, 6, """The length of tick lines. The value can be negative, in which case the tick lines are drawn right of (or above) the axis."""),
"minor_tic_interval" : (IntervalType, None,
pychart_util.interval_desc("minor tick marks")),
"minor_tic_len" : (UnitType, 3, """The length of minor tick marks. The value can be negative, in which case the tick lines are drawn right of (or above) the axis."""),
"line_style": (line_style.T, line_style.default,
"Specifies the style of axis and tick lines."),
"label": (types.StringType, "axis label",
"The descriptive string displayed below (or to the left of) the axis. <<font>>."),
"format": (FormatType, "%s",
"""The format string for tick labels.
It can be a `printf' style format string, or
a single-parameter function that takes an X (or Y) value
and returns a string. """ +
pychart_util.string_desc),
"label_offset": (CoordType, (None,None),
"""The location for drawing the axis label,
relative to the middle point of the axis.
If the value is None, the label is displayed
below (or to the left of) of axis at the middle."""),
"tic_label_offset": (CoordType, (0,0),
"""The location for drawing tick labels,
relative to the tip of the tick line."""),
"offset": (UnitType, 0,
"""The location of the axis.
The value of 0 draws the
axis at the left (for the Y axis) or bottom (for the X axis)
edge of the drawing area.
""")
}
class X(T):
keys = pychart_util.union_dict(T.keys,
{"draw_tics_above": (IntType, 0,
"If true, tick lines and labels are drawn above the axis line.")})
__doc__ = axis_doc.doc_x
##AUTOMATICALLY GENERATED
##END AUTOMATICALLY GENERATED
def draw_tics_and_labels(self, ar, can):
assert self.check_integrity()
y_base = ar.loc[1] + self.offset
self.tic_interval = self.tic_interval or ar.x_grid_interval
can.line(self.line_style, ar.loc[0], y_base,
ar.loc[0]+ ar.size[0], y_base)
tic_dic = {}
max_tic_height = 0
if self.draw_tics_above:
sign = 1
else:
sign = -1
for i in ar.x_tic_points(self.tic_interval):
tic_dic[i] = 1
ticx = ar.x_pos(i)
string = "/hC" + pychart_util.apply_format(self.format, (i, ), 0)
(total_height, base_height) = font.text_height(string)
max_tic_height = max(max_tic_height, total_height)
if self.draw_tics_above:
base_height = 0
can.line(self.line_style, ticx, y_base,
ticx, y_base + sign * self.tic_len)
can.show(ticx + self.tic_label_offset[0],
y_base + sign * (self.tic_len + base_height) + self.tic_label_offset[1],
string)
if self.minor_tic_interval:
for i in ar.x_tic_points(self.minor_tic_interval):
if tic_dic.has_key(i):
# a major tic was drawn already.
pass
else:
ticx = ar.x_pos(i)
can.line(self.line_style, ticx, y_base,
ticx, y_base + sign * self.minor_tic_len)
self.draw_label(ar, can, (y_base + sign *
(self.tic_len + max_tic_height + 10)))
def draw_label(self, ar, can, ylabel):
if self.label == None: return
string = "/hC/vM" + self.label
(label_height, base_height) = font.text_height(string)
xlabel = ar.loc[0] + ar.size[0]/2.0
if self.label_offset[0] != None:
xlabel += self.label_offset[0]
if self.label_offset[1] != None:
ylabel += self.label_offset[1]
can.show(xlabel, ylabel, string)
def draw(self, ar, can):
assert self.check_integrity()
self.tic_interval = self.tic_interval or ar.x_grid_interval
y_base = ar.loc[1] + self.offset
can.line(self.line_style, ar.loc[0], y_base,
ar.loc[0]+ ar.size[0], y_base)
self.draw_tics_and_labels(ar, can)
class Y(T):
__doc__ = axis_doc.doc_y
keys = pychart_util.union_dict(T.keys,
{"draw_tics_right": (IntType, 0,
"If true, tick lines and labels are drawn right of the axis line.")})
def draw_left(self, ar, can):
x_base = ar.loc[0] + self.offset
xmin = 999999
tic_dic = {}
for i in ar.y_tic_points(self.tic_interval):
y_tic = ar.y_pos(i)
tic_dic[i] = 1
can.line(self.line_style, x_base, y_tic,
x_base - self.tic_len, y_tic)
string = pychart_util.apply_format(self.format, (i,), 0)
if self.tic_len > 0: string = "/hR" + string
tic_height, base_height = font.text_height(string)
x = x_base - self.tic_len + self.tic_label_offset[0]
can.show(x, y_tic - tic_height/2.0 + self.tic_label_offset[1],
string)
xmin = min(xmin, x - font.text_width(string))
if self.minor_tic_interval:
for i in ar.y_tic_points(self.minor_tic_interval):
if tic_dic.has_key(i):
# a major tic line was drawn already.
pass
else:
y_tic = ar.y_pos(i)
can.line(self.line_style, x_base, y_tic,
x_base - self.minor_tic_len, y_tic)
self.draw_label(ar, can, xmin - theme.default_font_size/2.0)
def draw_right(self, ar, can):
x_base = ar.loc[0] + self.offset
xmax = 0
tic_dic = {}
for i in ar.y_tic_points(self.tic_interval):
y_tic = ar.y_pos(i)
tic_dic[i] = 1
can.line(self.line_style, x_base, y_tic,
x_base + self.tic_len, y_tic)
string = pychart_util.apply_format(self.format, (i,), 0)
if self.tic_len > 0: string = "/hL" + string
tic_height, base_height = font.text_height(string)
x = x_base + self.tic_len + self.tic_label_offset[0]
can.show(x, y_tic - tic_height/2.0 + self.tic_label_offset[1],
string)
xmax = max(xmax, x + font.text_width(string))
if self.minor_tic_interval:
for i in ar.y_tic_points(self.minor_tic_interval):
if tic_dic.has_key(i):
# a major tic line was drawn already.
pass
else:
y_tic = ar.y_pos(i)
can.line(self.line_style, x_base, y_tic,
x_base + self.minor_tic_len, y_tic)
self.draw_label(ar, can, xmax + theme.default_font_size)
def draw_label(self, ar, can, xlabel):
if self.label == None:
return
ylabel = ar.loc[1] + ar.size[1] / 2
if self.label_offset[0] != None:
xlabel += self.label_offset[0]
if self.label_offset[1] != None:
ylabel += self.label_offset[1]
can.show(xlabel, ylabel, "/a90/hC" + self.label)
def draw(self, ar, can):
assert self.check_integrity()
self.tic_interval = self.tic_interval or ar.y_grid_interval
x_base = ar.loc[0] + self.offset
can.line(self.line_style, x_base, ar.loc[1], x_base, ar.loc[1]+ar.size[1])
if self.draw_tics_right:
self.draw_right(ar, can)
else:
self.draw_left(ar, can)
|