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--[[
A helper class for styling OSD messages
http://docs.aegisub.org/3.2/ASS_Tags/
Copyright (C) 2021 Ren Tatsumoto
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
]]
local OSD = {}
OSD.__index = OSD
function OSD:new()
return setmetatable({ messages = {} }, self)
end
function OSD:append(s)
table.insert(self.messages, tostring(s))
return self
end
function OSD:newline()
return self:append([[\N]])
end
function OSD:tab()
return self:append([[\h\h\h\h]])
end
function OSD:size(size)
return self:append('{\\fs'):append(size):append('}')
end
function OSD:font(name)
return self:append('{\\fn'):append(name):append('}')
end
function OSD:align(number)
return self:append('{\\an'):append(number):append('}')
end
function OSD:get_text()
return table.concat(self.messages)
end
function OSD:color(code)
return self:append('{\\1c&H')
:append(code:sub(5, 6))
:append(code:sub(3, 4))
:append(code:sub(1, 2))
:append('&}')
end
function OSD:text(text)
return self:append(text)
end
function OSD:new_layer()
return self:append('\n')
end
function OSD:bold(s)
return self:append('{\\b1}'):append(s):append('{\\b0}')
end
function OSD:italics(s)
return self:append('{\\i1}'):append(s):append('{\\i0}')
end
function OSD:submenu(text)
return self:color('ffe1d0'):bold(text):color('ffffff')
end
function OSD:item(text)
return self:color('fef6dd'):bold(text):color('ffffff')
end
function OSD:selected(text)
return self:color('48a868'):bold(text):color('ffffff')
end
function OSD:red(text)
return self:color('ff0000'):bold(text):color('ffffff')
end
return OSD
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