Module:WeatherBoxColors
Documentation for this module may be created at Module:WeatherBoxColors/doc
Documentation for this module may be created at Module:WeatherBoxColors/doc
local w = {}
local math_mod = require( 'Module:Math' )
local function hex( value )
return string.format("%02X", value)
end
local function format_line( background, text_color )
return table.concat( {"background: #", background, "; color:#", text_color, ";"} )
end
local function range_pos( value, start, stop )
if start < stop then
if value < start then
return 0
elseif value > stop then
return 1
else
return (value - start) / (stop - start)
end
else
if value < stop then
return 1
elseif value > start then
return 0
else
return (start - value) / (start - stop)
end
end
end
function w.color_d( frame )
local val = math_mod._cleanNumber( frame.args[1] )
return w._days_color( val )
end
function w.color_pastel( frame )
local val = math_mod._cleanNumber( frame.args[1] )
return w._pastel_color( val )
end
function w.color_t( frame )
local val = math_mod._cleanNumber( frame.args[1] )
return w._temperature_color( val )
end
function w.color_green( frame )
local val = math_mod._cleanNumber( frame.args[1] )
return w._green_color( val )
end
function w.color_s( frame )
local val = math_mod._cleanNumber( frame.args[1] )
return w._sunshine_color( val )
end
function w.color_h( frame )
local val = math_mod._cleanNumber( frame.args[1] )
return w._humidity_color( val )
end
function w.color_p( frame )
local val = math_mod._cleanNumber( frame.args[1] )
return w._precipitation_color( val )
end
function w._days_color( val )
local item, background, text_color
if val == nil then
return format_line( "FFFFFF", "000000" )
end
item = hex( range_pos( val, 20, 0 )*255 )
background = item .. item
item = hex( range_pos( val, 40, 20 )*255 )
background = background .. item
if val >= 12 then
text_color = "FFFFFF"
else
text_color = "000000"
end
return format_line( background, text_color )
end
function w._green_color( val )
local item1, item2, background, text_color
if val == nil then
return format_line( "FFFFFF", "000000" )
end
item1 = hex( range_pos( val, 165.6, 0 )*255 )
item2 = hex( range_pos( val, 300, 165.61 )*207 + 48 )
background = table.concat( { item1, item2, item1 } )
if val >= 200 then
text_color = "FFFFFF"
else
text_color = "000000"
end
return format_line( background, text_color )
end
function w._temperature_color( val )
local item, background, text_color
if val == nil then
return format_line( "FFFFFF", "000000" )
end
if val < 4.5 then
item = range_pos( val, -42.75, 4.5 )*255
background = hex( item )
else
item = range_pos( val, 60, 41.5 )*255
background = hex( item )
end
if val <= 4.5 then
item = range_pos( val, -42.75, 4.5 )*255
background = background .. hex( item )
else
item = range_pos( val, 41.5, 4.5 )*255
background = background .. hex( item )
end
if val < -42.78 then
item = range_pos( val, -90, -42.78 )*255
background = background .. hex( item )
else
item = range_pos( val, 23, 4.5 )*255
background = background .. hex( item )
end
if val < -23.3 or val >= 37.8 then
text_color = "FFFFFF"
else
text_color = "000000"
end
return format_line( background, text_color )
end
function w._precipitation_color( val )
local item, background, text_color
if val == nil then
return format_line( "FFFFFF", "000000" )
end
item = hex( range_pos( val, 165.6, 0 )*255 )
background = item .. item
item = hex( range_pos( val, 300, 165.61 )*207 + 48 )
background = background .. item
if val > 90 then
text_color = "FFFFFF"
else
text_color = "000000"
end
return format_line( background, text_color )
end
function w._humidity_color( val )
local item, background, text_color
if val == nil then
return format_line( "FFFFFF", "000000" )
end
item = hex( range_pos( val, 66.67, 0 )*255 )
background = item .. item
item = hex( range_pos( val, 133.33, 66.667 )*255 )
background = background .. item
if val >= 40 then
text_color = "FFFFFF"
else
text_color = "000000"
end
return format_line( background, text_color )
end
function w._sunshine_color( val )
local item, background, text_color
if val == nil then
return format_line( "FFFFFF", "000000" )
end
if val < 90 then
item = hex( range_pos( val, 0, 90 )*170 )
elseif val < 180 then
item = hex( range_pos( val, 90, 180 )*42.5 + 170 )
else
item = hex( range_pos( val, 180, 360 )*42.5 + 212.5 )
end
background = item .. item
if val < 90 then
item = hex( range_pos( val, 0, 90 )*170 )
elseif val < 270 then
item = hex( range_pos( val, 150, 90 )*170 )
else
item = hex( range_pos( val, 270, 720 )*255 )
end
background = background .. item
if val < 80 then
text_color = "FFFFFF"
else
text_color = "000000"
end
return format_line( background, text_color )
end
function w._pastel_color( val )
local item, background, text_color
if val == nil then
return format_line( "FFFFFF", "000000" )
end
if val < -15 or val >= 39 then
text_color = "FFFFFF"
else
text_color = "000000"
end
if val >= 51 then
background = 'EE2200'
else
val = math_mod._round( (val + 25.5)/3, 0 )
if val == 1 then
background = 'BB00CC'
elseif val == 2 then
background = 'CC00EE'
elseif val == 3 then
background = 'CC33EE'
elseif val == 4 then
background = 'CC55EE'
elseif val == 5 then
background = 'DD66EE'
elseif val == 6 then
background = 'DD77EE'
elseif val == 7 then
background = 'DD99EE'
elseif val == 8 then
background = 'DDAAEE'
elseif val == 9 then
background = 'DDBBEE'
elseif val == 10 then
background = 'EECCFF'
elseif val == 11 then
background = 'FFDDFF'
elseif val == 12 then
background = 'F1F1F1'
elseif val == 13 then
background = 'FFEEBB'
elseif val == 14 then
background = 'FFFFCC'
elseif val == 15 then
background = 'FFFFBB'
elseif val == 16 then
background = 'FFFFAA'
elseif val == 17 then
background = 'FFFF88'
elseif val == 18 then
background = 'FFCC33'
elseif val == 19 then
background = 'FFBB33'
elseif val == 20 then
background = 'FF9900'
elseif val == 21 then
background = 'FF8844'
elseif val == 22 then
background = 'FF6633'
elseif val == 23 then
background = 'FF5522'
elseif val == 24 then
background = 'FF4422'
elseif val == 25 then
background = 'EE4400'
else
background = 'AA00AA'
end
end
return format_line( background, text_color )
end
function w._none_color( val )
return format_line( "FAFAFA", "000000" )
end
function w.interpret_color_code( code )
code = code:lower()
if code == 't' then
return w._temperature_color
elseif code == 'pastel' then
return w._pastel_color
elseif code == 'green' then
return w._green_color
elseif code == 'h' then
return w._humidity_color
elseif code == 's' then
return w._sunshine_color
elseif code == 'p' then
return w._precipitation_color
elseif code == 'd' then
return w._days_color
elseif code == 'none' then
return w._none_color
else
error( 'Unknown color scheme option' )
end
end
return w
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