Module:Color contrast: Difference between revisions

    m>Frietjes
    (fix)
    m>Frietjes
    (fix)
    Line 122: Line 122:
    end
    end


    local function colors2ratio(c)
    function p._ratio(args)
    local v1 = color2lum(c[1])
    local v1 = color2lum(c[1])
    local v2 = color2lum(c[2])
    local v2 = color2lum(c[2])
    Line 128: Line 128:
    return (v2 + 0.05)/(v1 + 0.05)
    return (v2 + 0.05)/(v1 + 0.05)
    else
    else
    return ''
    return args['error'] or '?'
    end
    end
    end
    end
    Line 138: Line 138:
    function p.ratio(frame)
    function p.ratio(frame)
    local args = frame.args[1] and frame.args or frame:getParent().args
    local args = frame.args[1] and frame.args or frame:getParent().args
    local r = colors2ratio(args)
    return p._ratio(args)
    if (r ~= '') then
    return r
    else
    return frame.args['error'] or frame:getParent().args['error'] or '?'
    end
    end
    end
       
       
    return p
    return p
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