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from forum_modules.grapefruit import Color
import math
def get_counter_colors(count, max=10, empty_bg='white', empty_fg='black',
zero_bg='white', zero_fg='black',
min_bg='white', min_fg='black',
max_bg='white', max_fg='black'
):
if count == 0:
return zero_fg, zero_bg
if count > max:
blend_factor = 0
else:
#todo deal with negative counts properly
blend_factor = 1 - math.fabs(float(count)/float(max))
max_fg_color = Color.NewFromHtml(max_fg)
fg = Color.NewFromHtml(min_fg).Blend(max_fg_color, blend_factor)
max_bg_color = Color.NewFromHtml(max_bg)
bg = Color.NewFromHtml(min_bg).Blend(max_bg_color, blend_factor)
return fg.html, bg.html
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