Modiwl:Flaglist/size

This modiwl is used internally by Template:Flaglist and should not be used directly.

---

-- Calculates the width of the span box for [[Template:Flaglist]]
-- based on the specified image size
 
local p = {}
function p.width( frame )
 
local size
local w
local h
 
size = frame["args"][1]
 
if string.match(size,"^%d+x%d+px$") ~= nil then -- width and height (eg. 20x10px)
  -- use specified width
  w = string.gsub(size,"(%d+)x%d+px","%1")
elseif string.match(size,"^%d+px$") ~= nil then -- width only (eg. 20px)
  -- use specified width
  w = string.gsub(size,"(%d+)px","%1")
elseif string.match(size,"^x%d+px$") ~= nil then -- height only (eg. x10px)
  -- assume a width based on the height
  h = string.gsub(size,"x(%d+)px","%1")
  w = h * 2.2
  w = math.floor(w+0.5) -- round to integer
else -- empty or invalid input
  w = 23 -- default width for flagicons
end
 
w = w + 7 -- extra whitespace between icon and link
return w
 
end
return p