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genflags.lua
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executable file
·377 lines (352 loc) · 9.83 KB
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#!/usr/bin/env lua
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
--
-- file: genflags.lua
-- brief: flag atlas texture generator
-- author: Dave Rodgers
--
-- Copyright (C) 2007.
-- Licensed under the terms of the GNU GPL, v2 or later.
--
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
require('gd') -- needs the gd lua image library to make the texture atlas
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
local countries = {
["ad"] = "ANDORRA",
["ae"] = "UNITED ARAB EMIRATES",
["af"] = "AFGHANISTAN",
["ag"] = "ANTIGUA AND BARBUDA",
["ai"] = "ANGUILLA",
["al"] = "ALBANIA",
["am"] = "ARMENIA",
["an"] = "NETHERLANDS ANTILLES",
["ao"] = "ANGOLA",
["aq"] = "ANTARCTICA",
["ar"] = "ARGENTINA",
["as"] = "AMERICAN SAMOA",
["at"] = "AUSTRIA",
["au"] = "AUSTRALIA",
["aw"] = "ARUBA",
["az"] = "AZERBAIJAN",
["ba"] = "BOSNIA AND HERZEGOWINA",
["bb"] = "BARBADOS",
["bd"] = "BANGLADESH",
["be"] = "BELGIUM",
["bf"] = "BURKINA FASO",
["bg"] = "BULGARIA",
["bh"] = "BAHRAIN",
["bi"] = "BURUNDI",
["bj"] = "BENIN",
["bm"] = "BERMUDA",
["bn"] = "BRUNEI DARUSSALAM",
["bo"] = "BOLIVIA",
["br"] = "BRAZIL",
["bs"] = "BAHAMAS",
["bt"] = "BHUTAN",
["bv"] = "BOUVET ISLAND",
["bw"] = "BOTSWANA",
["by"] = "BELARUS",
["bz"] = "BELIZE",
["ca"] = "CANADA",
["cc"] = "COCOS (KEELING) ISLANDS",
["cd"] = "CONGO, Democratic Republic of (was Zaire)",
["cf"] = "CENTRAL AFRICAN REPUBLIC",
["cg"] = "CONGO, Peoples Republic of",
["ch"] = "SWITZERLAND",
["ci"] = "COTE D'IVOIRE",
["ck"] = "COOK ISLANDS",
["cl"] = "CHILE",
["cm"] = "CAMEROON",
["cn"] = "CHINA",
["co"] = "COLOMBIA",
["cr"] = "COSTA RICA",
["cu"] = "CUBA",
["cv"] = "CAPE VERDE",
["cx"] = "CHRISTMAS ISLAND",
["cy"] = "CYPRUS",
["cz"] = "CZECH REPUBLIC",
["de"] = "GERMANY",
["dj"] = "DJIBOUTI",
["dk"] = "DENMARK",
["dm"] = "DOMINICA",
["do"] = "DOMINICAN REPUBLIC",
["dz"] = "ALGERIA",
["ec"] = "ECUADOR",
["ee"] = "ESTONIA",
["eg"] = "EGYPT",
["eh"] = "WESTERN SAHARA",
["er"] = "ERITREA",
["es"] = "SPAIN",
["et"] = "ETHIOPIA",
["fi"] = "FINLAND",
["fj"] = "FIJI",
["fk"] = "FALKLAND ISLANDS (MALVINAS)",
["fm"] = "MICRONESIA, FEDERATED STATES OF",
["fo"] = "FAROE ISLANDS",
["fr"] = "FRANCE",
-- ["fx"] = "FRANCE, METROPOLITAN",
["ga"] = "GABON",
["gb"] = "UNITED KINGDOM",
["gd"] = "GRENADA",
["ge"] = "GEORGIA",
["gf"] = "FRENCH GUIANA",
["gh"] = "GHANA",
["gi"] = "GIBRALTAR",
["gl"] = "GREENLAND",
["gm"] = "GAMBIA",
["gn"] = "GUINEA",
["gp"] = "GUADELOUPE",
["gq"] = "EQUATORIAL GUINEA",
["gr"] = "GREECE",
["gs"] = "SOUTH GEORGIA AND THE SOUTH SANDWICH ISLANDS",
["gt"] = "GUATEMALA",
["gu"] = "GUAM",
["gw"] = "GUINEA-BISSAU",
["gy"] = "GUYANA",
["hk"] = "HONG KONG",
["hm"] = "HEARD AND MC DONALD ISLANDS",
["hn"] = "HONDURAS",
["hr"] = "CROATIA (local name: Hrvatska)",
["ht"] = "HAITI",
["hu"] = "HUNGARY",
["id"] = "INDONESIA",
["ie"] = "IRELAND",
["il"] = "ISRAEL",
["in"] = "INDIA",
["io"] = "BRITISH INDIAN OCEAN TERRITORY",
["iq"] = "IRAQ",
["ir"] = "IRAN (ISLAMIC REPUBLIC OF)",
["is"] = "ICELAND",
["it"] = "ITALY",
["jm"] = "JAMAICA",
["jo"] = "JORDAN",
["jp"] = "JAPAN",
["ke"] = "KENYA",
["kg"] = "KYRGYZSTAN",
["kh"] = "CAMBODIA",
["ki"] = "KIRIBATI",
["km"] = "COMOROS",
["kn"] = "SAINT KITTS AND NEVIS",
["kp"] = "KOREA, DEMOCRATIC PEOPLE'S REPUBLIC OF",
["kr"] = "KOREA, REPUBLIC OF",
["kw"] = "KUWAIT",
["ky"] = "CAYMAN ISLANDS",
["kz"] = "KAZAKHSTAN",
["la"] = "LAO PEOPLE'S DEMOCRATIC REPUBLIC",
["lb"] = "LEBANON",
["lc"] = "SAINT LUCIA",
["li"] = "LIECHTENSTEIN",
["lk"] = "SRI LANKA",
["lr"] = "LIBERIA",
["ls"] = "LESOTHO",
["lt"] = "LITHUANIA",
["lu"] = "LUXEMBOURG",
["lv"] = "LATVIA",
["ly"] = "LIBYAN ARAB JAMAHIRIYA",
["ma"] = "MOROCCO",
["mc"] = "MONACO",
["md"] = "MOLDOVA, REPUBLIC OF",
["mg"] = "MADAGASCAR",
["mh"] = "MARSHALL ISLANDS",
["mk"] = "MACEDONIA, THE FORMER YUGOSLAV REPUBLIC OF",
["ml"] = "MALI",
["mm"] = "MYANMAR",
["mn"] = "MONGOLIA",
["mo"] = "MACAU",
["mp"] = "NORTHERN MARIANA ISLANDS",
["mq"] = "MARTINIQUE",
["mr"] = "MAURITANIA",
["ms"] = "MONTSERRAT",
["mt"] = "MALTA",
["mu"] = "MAURITIUS",
["mv"] = "MALDIVES",
["mw"] = "MALAWI",
["mx"] = "MEXICO",
["my"] = "MALAYSIA",
["mz"] = "MOZAMBIQUE",
["na"] = "NAMIBIA",
["nc"] = "NEW CALEDONIA",
["ne"] = "NIGER",
["nf"] = "NORFOLK ISLAND",
["ng"] = "NIGERIA",
["ni"] = "NICARAGUA",
["nl"] = "NETHERLANDS",
["no"] = "NORWAY",
["np"] = "NEPAL",
["nr"] = "NAURU",
["nu"] = "NIUE",
["nz"] = "NEW ZEALAND",
["om"] = "OMAN",
["pa"] = "PANAMA",
["pe"] = "PERU",
["pf"] = "FRENCH POLYNESIA",
["pg"] = "PAPUA NEW GUINEA",
["ph"] = "PHILIPPINES",
["pk"] = "PAKISTAN",
["pl"] = "POLAND",
["pm"] = "ST. PIERRE AND MIQUELON",
["pn"] = "PITCAIRN",
["pr"] = "PUERTO RICO",
["ps"] = "PALESTINIAN TERRITORY, Occupied",
["pt"] = "PORTUGAL",
["pw"] = "PALAU",
["py"] = "PARAGUAY",
["qa"] = "QATAR",
["re"] = "REUNION",
["ro"] = "ROMANIA",
["ru"] = "RUSSIAN FEDERATION",
["rw"] = "RWANDA",
["sa"] = "SAUDI ARABIA",
["sb"] = "SOLOMON ISLANDS",
["sc"] = "SEYCHELLES",
["sd"] = "SUDAN",
["se"] = "SWEDEN",
["sg"] = "SINGAPORE",
["sh"] = "ST. HELENA",
["si"] = "SLOVENIA",
["sj"] = "SVALBARD AND JAN MAYEN ISLANDS",
["sk"] = "SLOVAKIA (Slovak Republic)",
["sl"] = "SIERRA LEONE",
["sm"] = "SAN MARINO",
["sn"] = "SENEGAL",
["so"] = "SOMALIA",
["sr"] = "SURINAME",
["st"] = "SAO TOME AND PRINCIPE",
["sv"] = "EL SALVADOR",
["sy"] = "SYRIAN ARAB REPUBLIC",
["sz"] = "SWAZILAND",
["tc"] = "TURKS AND CAICOS ISLANDS",
["td"] = "CHAD",
["tf"] = "FRENCH SOUTHERN TERRITORIES",
["tg"] = "TOGO",
["th"] = "THAILAND",
["tj"] = "TAJIKISTAN",
["tk"] = "TOKELAU",
["tl"] = "EAST TIMOR",
["tm"] = "TURKMENISTAN",
["tn"] = "TUNISIA",
["to"] = "TONGA",
["tr"] = "TURKEY",
["tt"] = "TRINIDAD AND TOBAGO",
["tv"] = "TUVALU",
["tw"] = "TAIWAN",
["tz"] = "TANZANIA, UNITED REPUBLIC OF",
["ua"] = "UKRAINE",
["ug"] = "UGANDA",
["um"] = "UNITED STATES MINOR OUTLYING ISLANDS",
["us"] = "UNITED STATES",
["uy"] = "URUGUAY",
["uz"] = "UZBEKISTAN",
["va"] = "VATICAN CITY STATE (HOLY SEE)",
["vc"] = "SAINT VINCENT AND THE GRENADINES",
["ve"] = "VENEZUELA",
["vg"] = "VIRGIN ISLANDS (BRITISH)",
["vi"] = "VIRGIN ISLANDS (U.S.)",
["vn"] = "VIET NAM",
["vu"] = "VANUATU",
["wf"] = "WALLIS AND FUTUNA ISLANDS",
["ws"] = "SAMOA",
["xx"] = "Unknown country",
["ye"] = "YEMEN",
["yt"] = "MAYOTTE",
["yu"] = "YUGOSLAVIA",
["za"] = "SOUTH AFRICA",
["zm"] = "ZAMBIA",
["zw"] = "ZIMBABWE",
}
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
local imgs = {}
local caseFunc = string.lower
if (io.open('CA.png', 'r')) then
caseFunc = string.upper
end
--------------------------------------------------------------------------------
local sorted = {}
for abbr, name in pairs(countries) do
local pngFile = caseFunc(abbr) .. '.png'
local img = gd.createFromPng(pngFile)
if (img == nil) then
error('missing flag image file: ' .. pngFile)
else
imgs[abbr] = {
img = img,
sx = img:sizeX(),
sy = img:sizeY(),
}
table.insert(sorted, {
abbr = abbr,
img = img,
sx = img:sizeX(),
sy = img:sizeY()
})
end
end
table.sort(sorted, function(a, b) return (a.abbr < b.abbr) end)
--------------------------------------------------------------------------------
local sx = sorted[1].sx
local sy = sorted[1].sy
if (not sx or not sy) then
error('This just will not do ...')
end
for i, tbl in ipairs(sorted) do
if ((tbl.sx ~= sx) or (tbl.sy ~= sy)) then
error(string.format('Mismatched flag sizes: %ix%i vs. %ix%i',
sx, sy, tbl.sx, tbl.sy))
end
end
--------------------------------------------------------------------------------
local function MorePOT(num)
-- the next power-of-two
local x = 1
while (true) do
if (num <= x) then
return x
end
x = x * 2
end
end
local imgX = MorePOT(math.sqrt(sx * sy * #sorted))
local gx = math.floor(imgX / sx)
local gy = math.floor(#sorted / gx) + 1
local imgY = MorePOT(gy * sy)
local out = gd.createTrueColor(imgX, imgY)
local alpha = out:colorExactAlpha(255, 255, 255, 0) -- not working
out:filledRectangle(0, 0, imgX - 1, imgY - 1, alpha)
--------------------------------------------------------------------------------
print()
print('local flags = {')
print(' xsize = ' .. sx .. ',')
print(' ysize = ' .. sy .. ',')
print(' specs = {')
for i, tbl in ipairs(sorted) do
local cellX = ((i - 1) % gx)
local cellY = math.floor((i - 1) / gx)
local offx = sx * cellX
local offy = sy * cellY
gd.copy(out, tbl.img, offx, imgY - offy - sy, 0, 0, sx, sy)
print(string.format(' [%q] = { %3i, %3i, %3i, %3i, name = %q },',
tbl.abbr,
offx,
offy,
(offx + sx),
(offy + sy),
countries[tbl.abbr]))
end
print(' }')
print('}')
print()
print('for abbr, tbl in pairs(flags.specs) do')
print(' tbl[1] = tbl[1] / ' .. imgX)
print(' tbl[2] = 1 - (tbl[2] / ' .. imgY .. ')')
print(' tbl[3] = tbl[3] / ' .. imgX)
print(' tbl[4] = 1 - (tbl[4] / ' .. imgY .. ')')
print('end')
print()
print('return flags')
out:png('flags.png')
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------