Method ReadImageFile

src/lua/LuaCallOuts.cpp:1037–1063

int LuaCallOuts::ReadImageFile(lua_State* L) {
  const char* path = luaL_checkstring(L, 1);

  std::string modes = L2ES(L)->vfsModes->readDefault;
  bool infoOnly = false;
  if (!lua_israwstring(L, 2)) {
    infoOnly = lua_isboolean(L, 2) && lua_tobool(L, 2);
  }
  else {
    modes = lua_tostring(L, 2); // wanted
    modes = BzVFS::allowModes(modes, L2ES(L)->vfsModes->readAllowed);
    infoOnly = lua_isboolean(L, 3) && lua_tobool(L, 3);
  }

  std::string data;
  if (!bzVFS.readFile(path, modes, data)) {
    return luaL_pushnil(L);
  }

  std::istringstream iss(data);
  PNGImageFile image(&iss);

  if (infoOnly) {
    return PushImageInfo(L, image);
  }
  return PushImageData(L, image);
}


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