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{version = 1.69; (* of biglet.p 2003 Mar 27}
(* begin module describe.biglet *)
(*
name
biglet: text enlargement program
synopsis
biglet( fin: in, font: in, bigletp: in, fout: out, output: out )
files
fin: contains user's text to be enlarged.
font: the first line contains the actual height and width of characters
in the font. The following lines contain character images. A
character image has two parts, a reference character and the
letter image. Characters in the image that match the reference
character are printed, while a mismatch prints a space.
bigletp: contains parameters to control enlargement. If the file is
empty the fonts are not enlarged. otherwise, each line
contains the height and width enlargement factors. The line
may also contain a character inside quote marks (single or
double) to substitute for the matched characters of the font
images. Each line of bigletp corresponds to a fin text line.
If there are no further lines, previously set values are used.
fout: each line of fin is expanded by bigletp parameters and printed
out in the form of the font images.
output: messages to the user.
description
Each letter of text (in file fin) is expanded and printed as a larger
letter which is composed of many smaller letters. The expansion can be
set for each text line or for all lines with one parameter setting.
There is an optional parameter which allows all the large letters of a
specified line to be composed of a single character. The larger letters
are based on a file called font which can contain any sort of images.
examples
For a font file whose first line is a left justified 5 4:
f (sixth letter) (a space) - (a dash)
fff- ---- xxxx Note: in the file each
f--- ---- xxxx character image must be
fff- ---- ---x left justified and be
f--- ---- xxxx directly below the
---- ---- xxxx previous image.
Also, each image has mismatches at its right and below used for spacing.
for bigletp: example 1) 2 1 example 2) 3 2 'r'
1 2 'w'
The first example magnifies the first and all subsequent text lines
twice in height. The second example magnifies the first line at 3 by 2
and composes it out of 'r's. The next line will be twice as wide as the
font and composed of 'w's. All subsequent fout text will be also be
twice as wide but made up of the usual font characters.
The phont file is a demonstration font file, while the font file
is a working font.
For this fin file:
biglet
is
fun!
we get this fout file:
bbbbbbb iiiiiiii gggggg ll eeeeeeee tttttttt
bb bb ii gg gg ll ee tt
bb bb ii gg ll ee tt
bbbbbbb ii gg ll eeeeeee tt
bb bb ii gg ll ee tt
bb bb ii gg gggg ll ee tt
bb bb ii gg gg ll ee tt
bb bb ii gg gg ll ee tt
bbbbbbb iiiiiiii gggggg llllllll eeeeeeee tt
iiiiiiii ssssss
ii ss ss
ii ss
ii ssssss
ii ss
ii ss
ii ss
ii ss ss
iiiiiiii ssssss
ffffffff uu uu n nn !!
ff uu uu nn nn !!!!
ff uu uu nnn nn !!!!
fffffff uu uu nnnn nn !!!!
ff uu uu nn nn nn !!
ff uu uu nn nnnn !!
ff uu uu nn nnn
ff uu uu nn nn !!
ff uuuuuu nn nn !!
see also
a set of fonts: font
programs to remove blanks at the end of the line:
rembla.p rb.p
A script for automating the process is in the toolkit:
https://alum.mit.edu/www/toms/toolkit.html
author
Matthew A. Yarus
bugs
none known
technical notes
If your font images are larger than program allows change constants
letmaxhi and letmaxwi in biglet source code.
*)
(* end module describe.biglet *)
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