Modul:Image

Dokumentace  

local p = {}

local function parseProportions(str)
	str = mw.text.trim(str or '')
	str = string.gsub(str, 'px$', '', 1)
	local parts = mw.text.split(str, 'x', true)
	local width, height = tonumber(parts[1]), tonumber(parts[2])
	return width, height
end

function p.countFullWidth(frame)
	local files = mw.text.split(frame.args[1], '#', true)
	local proportions = mw.text.split(frame.args[2], '#', true)
	local border = tonumber(frame.args[3]) or 0
	local spacing = tonumber(frame.args[4]) or 0

	local propsTable = {}
	for i, file in ipairs(files) do
		local width, height = parseProportions(proportions[i])
		if width == nil then
			local fileTitle = mw.title.makeTitle('File', file)
			width = math.ceil((height / fileTitle.file.height) * fileTitle.file.width)
		end
		table.insert(propsTable, width)
	end

	if frame.args['orientation'] == 'portrait' then
		local resultTable = {}
		for k, v in pairs(propsTable) do
			resultTable[v] = 0
		end
		return table.maxn(resultTable) + border
	else
		local fullWidth = 0
		local count = #propsTable
		for i = 1, count do
			fullWidth = fullWidth + propsTable[i]
		end
		return fullWidth
			+ count * border
			+ (count - 1) * spacing
	end
end

return p