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#+title: Font thing #+author: Antoine "Annwan" COMBET #+options: toc:nil
A small bitmap font renderer with its own format.
* The format
Introducing /TXTF/ a family of text based bitmap font formats.
The first line of a TXTF font is the following: #+begin_quote =TXTF= /mode/ /nbcommentlines/ /params/ #+end_quote Like #+begin_example TXTF 1 10 5 5 .# #+end_example
The /nbcommentlines/ parameter is the number of description or comment lines placed before the actual font data (not including the header). In this comment area, you may put stuff like modelines, copyright information and/or a description of the font.
The /mode/ is the specific fomat in the txtf familly this file is in, the existing mode are as follow
** Mode 1 (Monospace)
#+begin_quote =TXTF= =1= nbcommentlines width height alphabet
Comment lines
Data #+end_quote
- /width/: is the number of pixels each character is wide - /height/: is the number of pixels each character is high - /alphabet/: 2 characters, the first represents OFF pixels, the second represents ON pixels.
Data is then in the following form #+begin_quote character "/width/ * /height/ of the alphabet for the character" #+end_quote whitespace is ignored in character data.
Here is a sample mode 1 font #+begin_src nil TXTF 1 2 6 6 .# Some font for the readme By Annwan !..#.....#.....#...........#......... #.#.#..#####..#.#..#####..#.#........ _........................#####....... #+end_src
# Local variables: # eval: (auto-fill-mode +1) # End:
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