fontthing/README.md

Font thing

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:

TXTF mode nbcommentlines params

Like

TXTF 1 10 5 5 .#

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 format in the txtf family this file is in, the existing mode are as follows

Mode 1 (Monospace)

TXTF 1 nbcommentlines width height alphabet

Comment lines

Data

• 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

character "width * height of the alphabet for the character"

whitespace is ignored in character data.

Here is a sample mode 1 font

TXTF 1 2 6 6 .#
Some font for the readme
By Annwan
!..#.....#.....#...........#.........
#.#.#..#####..#.#..#####..#.#........
_..............................######