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edits
Module:Color contrast: Difference between revisions
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2 revisions imported from wikipedia:Module:Color_contrast: see Topic:Vtixlm0q28eo6jtf
imported>MacFan4000 m (1 revision imported) |
m (2 revisions imported from wikipedia:Module:Color_contrast: see Topic:Vtixlm0q28eo6jtf) |
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return '' | return '' | ||
end | end | ||
-- html '#' entity | |||
c = c:gsub("#", "#") | |||
-- whitespace | -- whitespace | ||
c = c:match( '^%s*(.-)[%s;]*$' ) | c = c:match( '^%s*(.-)[%s;]*$' ) | ||
| Line 121: | Line 125: | ||
function p._greatercontrast(args) | function p._greatercontrast(args) | ||
local bias = tonumber(args['bias'] or '0') or 0 | local bias = tonumber(args['bias'] or '0') or 0 | ||
local css = (args['css'] and args['css'] ~= '') and true or false | |||
local v1 = color2lum(args[1] or '') | local v1 = color2lum(args[1] or '') | ||
local c2 = args[2] or '#FFFFFF' | local c2 = args[2] or '#FFFFFF' | ||
| Line 126: | Line 131: | ||
local c3 = args[3] or '#000000' | local c3 = args[3] or '#000000' | ||
local v3 = color2lum(c3) | local v3 = color2lum(c3) | ||
local ratio1 = | local ratio1 = -1; | ||
local ratio2 = | local ratio2 = -1; | ||
if (type(v1) == 'number' and type(v2) == 'number') then | if (type(v1) == 'number' and type(v2) == 'number') then | ||
ratio1 = (v2 + 0.05)/(v1 + 0.05) | ratio1 = (v2 + 0.05)/(v1 + 0.05) | ||
| Line 136: | Line 141: | ||
ratio2 = (ratio2 < 1) and 1/ratio2 or ratio2 | ratio2 = (ratio2 < 1) and 1/ratio2 or ratio2 | ||
end | end | ||
return (ratio1 + bias > ratio2) and c2 or c3 | |||
if css then | |||
local c1 = args[1] or '' | |||
if mw.ustring.match(c1, '^[A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9]$') or | |||
mw.ustring.match(c1, '^[A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9]$') then | |||
c1 = '#' .. c1 | |||
end | |||
if mw.ustring.match(c2, '^[A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9]$') or | |||
mw.ustring.match(c2, '^[A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9]$') then | |||
c2 = '#' .. c2 | |||
end | |||
if mw.ustring.match(v3, '^[A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9]$') or | |||
mw.ustring.match(v3, '^[A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9][A-Fa-f0-9]$') then | |||
c3 = '#' .. c3 | |||
end | |||
return 'background-color:' .. c1 .. '; color:' .. ((ratio1 > 0) and (ratio2 > 0) and ((ratio1 + bias > ratio2) and c2 or c3) or '') .. ';' | |||
end | |||
return (ratio1 > 0) and (ratio2 > 0) and ((ratio1 + bias > ratio2) and c2 or c3) or '' | |||
end | end | ||