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# Copyright (C) 2005 Dan Loda <danloda@gmail.com>
# This program 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 of the License, or
# (at your option) any later version.
# This program 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.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import sys
class AnnotateColorMap:
really_old_color = "#0046FF"
colors = {
20.: "#FF0000",
40.: "#FF3800",
60.: "#FF7000",
80.: "#FFA800",
100.:"#FFE000",
120.:"#E7FF00",
140.:"#AFFF00",
160.:"#77FF00",
180.:"#3FFF00",
200.:"#07FF00",
220.:"#00FF31",
240.:"#00FF69",
260.:"#00FFA1",
280.:"#00FFD9",
300.:"#00EEFF",
320.:"#00B6FF",
340.:"#007EFF"
}
def __init__(self, span=340.):
self.set_span(span)
def set_span(self, span):
self._span = span
self._scale = span / max(self.colors.keys())
def _days(self, ctx, now):
return (now - ctx.date()[0]) / (24 * 60 * 60)
def get_color(self, ctx, now):
color = self.really_old_color
days = self.colors.keys()
days.sort()
days_old = self._days(ctx, now)
for day in days:
if (days_old <= day * self._scale):
color = self.colors[day]
break
return color
class AnnotateColorSaturation(AnnotateColorMap):
def __init__(self, span=340.):
AnnotateColorMap.__init__(self, span)
self.current_angle = 0
def hue(self, angle):
return tuple([self.v(angle, r) for r in (0, 120, 240)])
@staticmethod
def ang(angle, rotation):
angle += rotation
angle = angle % 360
if angle > 180:
angle = 180 - (angle - 180)
return abs(angle)
def v(self, angle, rotation):
ang = self.ang(angle, rotation)
if ang < 60:
return 1
elif ang > 120:
return 0
else:
return 1 - ((ang - 60) / 60)
def saturate_v(self, saturation, hv):
return int(255 - (saturation/3*(1-hv)))
def committer_angle(self, committer):
return float(abs(hash(committer))) / sys.maxint * 360.0
def get_color(self, ctx, now):
days = self._days(ctx, now)
saturation = 255/((days/50) + 1)
#saturation = 255/((days/self._scale) + 1)
hue = self.hue(self.committer_angle(ctx.user()))
color = tuple([self.saturate_v(saturation, h) for h in hue])
return "#%x%x%x" % color
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