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############################################################################
#
# File: isd2gif.icn
#
# Subject: Program to create woven image from ISD
#
# Author: Ralph E. Griswold
#
# Date: May 23, 2002
#
############################################################################
#
# This file is in the public domain.
#
############################################################################
#
# This program reads a internal structure draft and creates a GIF image of
# the corresponding weave. The command-line option
#
# -n s
#
# allows the basename for the GIF file to be specified. Otherwise, it
# is take from the name field of the ISD. If other command-line arguments
# are given, they are used as attributes for the window in which the
# woven image is created.
#
############################################################################
#
# Links: options, weavegif, weavutil, xcode
#
############################################################################
link options
link weavegif
link weavutil
link xcode
procedure main(args)
local draft, width, spacing, bg, opts
isd # Hands off, linker.
opts := options(args, "n:")
width := 5
spacing := 0
bg := "black"
push(args, "canvas=hidden")
draft := xdecode(&input) | stop("*** cannot decode isd")
draft.name := \opts["n"] # override if given
if /draft.name then draft.name := "untitled"
/draft.width := *draft.threading
/draft.height := *draft.treadling
WriteImage(weavegif(draft, args),
draft.name || ".gif")
end
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