Module:College color explained

---- This module implements,,--,,--,, and --local p =

local data_module = "Module:College color/data"

local function stripwhitespace(text) return text:match("^%s*(.-)%s*$")endlocal function ucfirst(s) local first = s:sub(1, 1) local others = s:sub(2, -1) return first:upper .. othersendlocal function bordercss(c, w) local s = 'inset ' .. w .. 'px ' .. w .. 'px 0 ' .. c .. ', inset -' .. w .. 'px -' .. w .. 'px 0 ' .. c return 'box-shadow: ' .. s .. ';'endlocal function sRGB (v) if (v <= 0.03928) then v = v / 12.92 else v = math.pow((v+0.055)/1.055, 2.4) end return vendlocal function color2lum(origc) local c = stripwhitespace(origc or ):lower

-- remove leading # (if there is one) c = mw.ustring.match(c, '^[#]*([a-f0-9]*)$')

-- split into rgb local cs = mw.text.split(c or , ) if(#cs

6) then local R = sRGB((16*tonumber('0x' .. cs[1]) + tonumber('0x' .. cs[2]))/255) local G = sRGB((16*tonumber('0x' .. cs[3]) + tonumber('0x' .. cs[4]))/255) local B = sRGB((16*tonumber('0x' .. cs[5]) + tonumber('0x' .. cs[6]))/255)

return 0.2126 * R + 0.7152 * G + 0.0722 * B elseif (#cs

3) then local R = sRGB((16*tonumber('0x' .. cs[1]) + tonumber('0x' .. cs[1]))/255) local G = sRGB((16*tonumber('0x' .. cs[2]) + tonumber('0x' .. cs[2]))/255) local B = sRGB((16*tonumber('0x' .. cs[3]) + tonumber('0x' .. cs[3]))/255)

return 0.2126 * R + 0.7152 * G + 0.0722 * B end

-- failure error('Invalid hex color ' .. origc, 2)end

local function remove_sport(team) team = mw.ustring.gsub(team, "%s*<[Bb][Rr][^<>]*>%s*", ' '); team = mw.ustring.gsub(team, " [Tt]eam$", ) team = mw.ustring.gsub(team, " [Bb]asketball$", ) team = mw.ustring.gsub(team, " [Bb]aseball$", ) team = mw.ustring.gsub(team, " [Cc]ross [Cc]ountry$", ) team = mw.ustring.gsub(team, " [Ff]ield [Hh]ockey$", ) team = mw.ustring.gsub(team, " [Ff]ootball$", ) team = mw.ustring.gsub(team, " [Gg]olf$", ) team = mw.ustring.gsub(team, " [Gg]ymnastics$", ) team = mw.ustring.gsub(team, " [Ii]ce [Hh]ockey$", ) team = mw.ustring.gsub(team, " [Ll]acrosse$", ) team = mw.ustring.gsub(team, " [Rr]owing$", ) team = mw.ustring.gsub(team, " [Ss]ki$", ) team = mw.ustring.gsub(team, " [Ss]occer$", ) team = mw.ustring.gsub(team, " [Ss]oftball$", ) team = mw.ustring.gsub(team, " [Ss]wim$", ) team = mw.ustring.gsub(team, " [Tt]ennis$", ) team = mw.ustring.gsub(team, " [Tt]rack [Aa]nd [Ff]ield$", ) team = mw.ustring.gsub(team, " [Vv]olleyball$", ) team = mw.ustring.gsub(team, " [Ww]restling$", ) team = mw.ustring.gsub(team, " [Ww]omen's$", ) team = mw.ustring.gsub(team, " [Mm]en's$", )

return teamendlocal function get_colors(team, unknown) team = stripwhitespace(team or ) unknown = unknown or

local use_default =

local colors = nil

if (team and use_default[team:lower]) then colors = else local all_colors = mw.loadData(data_module) colors = all_colors[team] if (colors and type(colors)

'string') then colors = all_colors[colors] end end

return colors or unknownend

local function team_color(team, num, num2) local colors = get_colors(team, nil)

num = tonumber(num:match('[1-3]') or '0') num2 = tonumber(num2:match('[1-3]') or '0') if (num) then return colors[num] or colors[num2] or else return endend

local function team_style1(team, borderwidth, fontcolor) local colors = get_colors(team, nil)

local color = '#' .. (colors[3] or colors[2] or ) if fontcolor and fontcolor

'auto' then -- compute the luminosity of the background local lum = color2lum(colors[1] or ) -- compute the contrast with white and black local wcontrast = (1 + 0.05)/(lum + 0.05) local bcontrast = (lum + 0.05)/(0 + 0.05) -- select the text color with the best contrast if(bcontrast > wcontrast + 1.25) then fontcolor = '#000000' else fontcolor = '#FFFFFF' end end local style = 'background-color:#' .. (colors[1] or ) .. ';color:' .. (fontcolor or color) .. ';' -- remove the border if it's nearly white if ((1 + 0.05)/(color2lum(color) + 0.05) < 1.25) then borderwidth = '0' end borderwidth = tonumber(borderwidth or '2') or 0 if (borderwidth > 0 and color ~= '#FFFFFF') then style = style .. bordercss(color, borderwidth) end

return styleend

local function team_style2(team, borderwidth, fontcolor) local colors = get_colors(team, nil)

local color = '#' .. (colors[1] or ) if fontcolor and fontcolor

'auto' then -- compute the luminosity of the background local lum = color2lum(colors[3] or colors[2] or ) -- compute the contrast with white and black local wcontrast = (1 + 0.05)/(lum + 0.05) local bcontrast = (lum + 0.05)/(0 + 0.05) -- select the text color with the best contrast if(bcontrast > wcontrast + 1.25) then fontcolor = '#000000' else fontcolor = '#FFFFFF' end end local style = 'background-color:#' .. (colors[3] or colors[2] or ) .. ';color:' .. (fontcolor or color) .. ';' -- remove the border if it's nearly white if ((1 + 0.05)/(color2lum(color) + 0.05) < 1.25) then borderwidth = '0' end borderwidth = tonumber(borderwidth or '2') or 0 if (borderwidth > 0 and color ~= '#FFFFFF') then style = style .. bordercss(color, borderwidth) end

return styleend

local function team_header1(team, borderwidth) local colors = get_colors(team, nil) -- set the default background local background = (colors[1] or 'FFFFFF'):upper -- set background to white if it's nearly white if ((1 + 0.05)/(color2lum(background) + 0.05) < 1.25) then background = 'FFFFFF' end -- now pick a font color local fontcolor = '000000' -- compute the luminosity of the background local lum = color2lum(background) -- compute the contrast with white and black local wcontrast = (1 + 0.05)/(lum + 0.05) local bcontrast = (lum + 0.05)/(0 + 0.05) -- select the text color with the best contrast if(bcontrast > wcontrast + 1.25) then fontcolor = '000000' else fontcolor = 'FFFFFF' end

local style if(background

'FFFFFF') then style = 'background-color:none;color:#' .. fontcolor .. ';' else style = 'background-color:#' .. background .. ';color:#' .. fontcolor .. ';' end

if borderwidth then borderwidth = tonumber(borderwidth or '2') or 0 local bordercolor = (colors[3] or colors[2] or 'FFFFFF'):upper if (borderwidth > 0 and bordercolor ~= 'FFFFFF') then -- do not add a border if it's nearly white if ((1 + 0.05)/(color2lum(bordercolor) + 0.05) >= 1.25) then style = style .. bordercss('#' .. bordercolor, borderwidth) end end end return styleend

local function team_header2(team) local colors = get_colors(team, nil) -- set the default background local background = (colors[3] or colors[2] or 'FFFFFF'):upper -- set background to white if it's nearly white if ((1 + 0.05)/(color2lum(background) + 0.05) < 1.25) then background = 'FFFFFF' end -- if the background is white, then use the primary background instead if(background

'FFFFFF') then background = (colors[1] or 'FFFFFF'):upper end -- now pick a font color local fontcolor = '000000' -- compute the luminosity of the background local lum = color2lum(background) -- compute the contrast with white and black local wcontrast = (1 + 0.05)/(lum + 0.05) local bcontrast = (lum + 0.05)/(0 + 0.05) -- select the text color with the best contrast if(bcontrast > wcontrast + 1.25) then fontcolor = '000000' else fontcolor = 'FFFFFF' end if(background

'FFFFFF') then return 'background-color:none;color:#' .. fontcolor .. ';' else return 'background-color:#' .. background .. ';color:#' .. fontcolor .. ';' endend

local function team_table_head(args, team, ctype) local colors = get_colors(team, nil) local borderwidth = tonumber(args['border']) or 0 -- set the default background local background = (ctype

'p') and (colors[1] or 'FFFFFF'):upper or (colors[3] or colors[2] or 'FFFFFF'):upper -- now pick a font color local fontcolor = -- compute the luminosity of the background local lum = color2lum(background) -- compute the contrast with white and black local wcontrast = (1 + 0.05)/(lum + 0.05) local bcontrast = (lum + 0.05)/(0 + 0.05) -- select the text color with the best contrast if(bcontrast > wcontrast + 1.25) then fontcolor = '#000000' else fontcolor = '#FFFFFF' end local s = 'background-color:#' .. background .. ';color:' .. (args['color'] or fontcolor) .. ';' if borderwidth > 0 then local bc = (ctype

'p') and (colors[3] or colors[2] or ) or (colors[1] or ) if bc ~= 'FFFFFF' then s = s .. bordercss('#' .. bc, borderwidth) end end

local res = '|-\n' for i=1,50 do if(args[i] ~= nil) then local cstyle = 'scope="col" style="' .. s .. '"' if args['col' .. i .. 'span'] ~= nil then cstyle = cstyle .. ' colspan=' .. args['col' .. i .. 'span'] end if args['class' .. i ] ~= nil then cstyle = cstyle .. ' class="' .. args['class' .. i] .. '"' end res = res .. '! ' .. cstyle .. ' |' .. args[i] .. '\n' else return res .. '|-\n' end end return res .. '

Error!\n|-\n'

end

local function team_stripe1(team, borderwidth) local colors = get_colors(team, nil)

-- set the default scheme local background = colors[1] or local fontcolor = colors[2] or local bordercolor = (colors[3] or colors[2] or ):upper borderwidth = tonumber(borderwidth or '3') or 0

-- if there is no tertiary color, then pick a font color if (colors[3]

nil) then -- compute the luminosity of the background local lum = color2lum(colors[1]) -- compute the contrast with white and black local wcontrast = (1 + 0.05)/(lum + 0.05) local bcontrast = (lum + 0.05)/(0 + 0.05) -- select the text color with the best contrast if(bcontrast > wcontrast + 1.25) then fontcolor = '000000' else fontcolor = 'FFFFFF' end end

-- finally build the style string local style = if (borderwidth > 0) then -- use the primary as the border if the border is white or close to white local bordercontrast = (1 + 0.05)/(color2lum(bordercolor) + 0.05) if (bordercontrast < 1.25) then bordercolor = background local fontcontrast = (1 + 0.05)/(color2lum(colors[2] or 'FFFFFF') + 0.05) if (fontcontrast < 1.25) then fontcolor = colors[2] or 'FFFFFF' end end style = style .. ' border:' .. borderwidth .. 'px solid #' .. bordercolor .. ';' style = style .. ' border-left: none; border-right: none;' style = style .. ' box-shadow: inset 0 2px 0 #FEFEFE, inset 0 -2px 0 #FEFEFE;' end style = 'background-color:#' .. background .. ';color:#' .. fontcolor .. ';' .. style

return styleend

local function team_boxes(frame, team, order, sep) local function colorbox(h) local r = mw.html.create() r:tag('span') :addClass('legend-color') :css('background-color', '#' .. (h or )) :wikitext(' ') return tostring(r) end

local colors = get_colors(team, 'unknown')

if type(colors) ~= 'table' then return end

local colorboxes = local colororder = local namecheck = 0 if order

then order = colors['order'] or namecheck = 1 end if order ~= then colororder = mw.text.split(order, ) end for k,v in pairs(colororder) do local i = tonumber(v) or 0 if(namecheck

0 or colors['name' .. i]) then if colors[i] then table.insert(colorboxes,colorbox(colors[i])) end end end

if (#colorboxes > 0) then return frame:extensionTag .. table.concat(colorboxes, sep) end

return end

local function team_list(frame, team, num1, num2, num3, num4, num5, sep) local function colorbox(h) local r = mw.html.create() r:tag('span') :addClass('legend-color') :css('background-color', '#' .. (h or )) :wikitext(' ') return tostring(r) end

local colors = get_colors(team, 'unknown')

if type(colors) ~= 'table' then return end

local nums =

local colorboxes = local colornames = local colororder = local order = colors['order'] or if(order ~= ) then colororder = mw.text.split(order, ) end for k,v in pairs(colororder) do local i = tonumber(v) or 0 if (nums[i] > 0) then if(colors['name' .. nums[i]]) then table.insert(colornames,colors['name' .. nums[i]]) table.insert(colorboxes,colorbox(colors[nums[i]] or )) end end end

local res = if (#colornames > 0) then colornames[1] = ucfirst(colornames[1]) end res = mw.text.listToText(colornames, ', ', #colornames

2 and ' and ' or ', and ' )

if (colors['cite']) then res = res .. frame:preprocess('[1] ') end if (colors['ref']) then res = res .. '[' .. colors['ref'] .. ']' end if (colors['ref2']) then res = res .. '[' .. colors['ref2'] .. ']' end

if (#colornames > 0) then res = res .. sep end

if (#colorboxes > 0) then res = res .. frame:extensionTag res = res .. table.concat(colorboxes, ' ') end

return resend

local function team_check(team, unknown) local colors = get_colors(team, unknown) if type(colors)

'table' then return 'known' else return unknown endend

function p.color(frame) local args = (frame.args[1] ~= nil) and frame.args or frame:getParent.args return team_color(remove_sport(args[1] or ), args[2] or , args[3] or )end

function p.color1(frame) local args = (frame.args[1] ~= nil) and frame.args or frame:getParent.args return team_color(remove_sport(args[1] or ), '1', )end

function p.color32(frame) local args = (frame.args[1] ~= nil) and frame.args or frame:getParent.args return team_color(remove_sport(args[1] or ), '3', '2')end

function p.style1(frame) local args = (frame.args[1] ~= nil) and frame.args or frame:getParent.args return team_style1(remove_sport(args[1] or ), args['border'], args['color'])end

function p.style2(frame) local args = (frame.args[1] ~= nil) and frame.args or frame:getParent.args return team_style2(remove_sport(args[1] or ), args['border'], args['color'])end

function p.header1(frame) local args = (frame.args[1] ~= nil) and frame.args or frame:getParent.args return team_header1(remove_sport(args[1] or ), args['border'])end

function p.header2(frame) local args = (frame.args[1] ~= nil) and frame.args or frame:getParent.args return team_header2(remove_sport(args[1] or ))end

function p.tablehead1(frame) local args = (frame.args[1] ~= nil) and frame.args or frame:getParent.args return team_table_head(args, remove_sport(args['team'] or ), 'p')end

function p.tablehead2(frame) local args = (frame.args[1] ~= nil) and frame.args or frame:getParent.args return team_table_head(args, remove_sport(args['team'] or ), 's')end

function p.stripe1(frame) local args = (frame.args[1] ~= nil) and frame.args or frame:getParent.args return team_stripe1(remove_sport(args[1] or ), args['border'])end

function p.boxes(frame) local args = (frame.args[1] ~= nil) and frame.args or frame:getParent.args return team_boxes(frame, remove_sport(args[1] or ), args['order'] or , args['sep'] or ' ')end

function p.list(frame) local args = (frame.args[1] ~= nil) and frame.args or frame:getParent.args return team_list(frame, remove_sport(args[1] or ), args[2] or '1', args[3] or '2', args[4] or '3', args[5] or '4', args[6] or '5', args['sep'] or )end

function p.check(frame) local args = (frame.args[1] ~= nil) and frame.args or frame:getParent.args return team_check(remove_sport(args[1] or ), args[2] or )end

function p.check_data -- In a sandbox, preview local results = local function problems(msg) if msg then table.insert(results, msg) elseif results[2] then return table.concat(results, '\n*') else return 'No problems detected.' end end local data = require(data_module) local keys = for k, _ in pairs(data) do table.insert(keys, k) end table.sort(keys) for _, key in ipairs(keys) do local val = data[key] if not (type(key)

'string' and (type(val)

'table' or type(val)

'string')) then problems('Invalid type for "' .. tostring(key) .. '"') end if type(val)

'table' then if not (2 <= #val and #val <= 4) then problems('Invalid number of numbered parameters for "' .. tostring(key) .. '"') end for i, v in ipairs(val) do if not tostring(v):match('^%x%x%x%x%x%x$') then problems('Parameter [' .. i .. '] should be a 6-hex-digit color but is "' .. tostring(v) .. '" for "' .. tostring(key) .. '"') end end for k, v in pairs(val) do if type(k)

'number' then if not (1 <= k and k <= 4) then problems('Invalid numbered parameter for "' .. tostring(key) .. '"') end elseif type(k)

'string' then if not (k:match('^name[1-4]$') or k:match('^cite2?$') or k:match('^order$') ) then problems('Unexpected key in table for "' .. tostring(key) .. '"') end else problems('Invalid key type in table for "' .. tostring(key) .. '"') end end elseif data[val]

nil then problems('Undefined alias for "' .. tostring(key) .. '"') elseif type(data[val]) ~= 'table' then problems('Alias is not a table for "' .. tostring(key) .. '"') end end return problemsend

function p.testtable(frame) local contrasttable_mod = require("Module:College color/contrast") return contrasttable_mod._testtable(frame.args)end

return p

Notes and References

  1. ' .. colors['cite'] .. '