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Module:Color contrast: Difference between revisions
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refactor to allow this to be called from another module
(add shorthand) |
(refactor to allow this to be called from another module) |
||
Line 120:
-- failure, return blank
return ''
end
local function colors2ratio(c1,c2)
local v1 = color2lum(c1)
local v2 = color2lum(c2)
if (type(v1) == 'number' and type(v2) == 'number') then▼
return (v2 + 0.05)/(v1 + 0.05)▼
else
return ''
end
end
Line 127 ⟶ 137:
function p.ratio(frame)
local r = colors2ratio(
local v1 = color2lum(frame.args[1] or frame:getParent().args[1])▼
▲ if (type(v1) == 'number' and type(v2) == 'number') then
)
▲ return (v2 + 0.05)/(v1 + 0.05)
if (r ~= '') then
return r
else
return frame.args['error'] or frame:getParent().args['error'] or '?'
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