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############################################################################
#
# File: drawup.icn
#
# Subject: Program to create draft from drawdown
#
# Author: Ralph E. Griswold
#
# Date: January 23, 2002
#
############################################################################
#
# This file is in the public domain.
#
############################################################################
#
# This program produces an ISD from a bi-level image string or row file.
#
# The following option is supported:
#
# -n s draft name, default "drawup"
#
# -r interpret input as row pattern; default image string
#
############################################################################
#
# Requires: Version 9 graphics
#
############################################################################
#
# Links: options, patutils, patxform, weavutil, xcode
#
############################################################################
link options
link patutils
link patxform
link weavutil
link xcode
procedure main(args)
local threading, treadling, rows, pattern, i
local symbols, symbol, drawdown, draft, opts
opts := options(args, "rn:")
if \opts["r"] then {
drawdown := []
while put(drawdown, read())
}
else drawdown := pat2rows(read()) | stop("*** invalid input")
treadling := analyze(drawdown)
drawdown := protate(drawdown, "cw")
threading := analyze(drawdown)
symbols := table("")
every pattern := !treadling.patterns do {
symbol := treadling.rows[pattern]
symbols[symbol] := repl("0", *threading.rows)
pattern ? {
every i := upto('1') do
symbols[symbol][threading.sequence[i]] := "1"
}
}
symbols := sort(symbols, 3)
rows := []
while get(symbols) do
put(rows, get(symbols))
draft := isd()
draft.name := \opts["n"] | "drawup"
draft.threading := threading.sequence
draft.treadling := treadling.sequence
draft.warp_colors := list(*threading.sequence, 1)
draft.weft_colors := list(*treadling.sequence, 2)
draft.color_list := ["black", "white"]
draft.shafts := *threading.rows
draft.treadles := *treadling.rows
draft.tieup := rows
xencode(draft, &output)
end
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