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############################################################################
#
# File: webimage.icn
#
# Subject: Program to produce Web page for image files
#
# Author: Ralph E. Griswold
#
# Date: May 2, 2001
#
############################################################################
#
# This file is in the public domain.
#
############################################################################
#
# This program takes the names of image files on the command line and
# writes a Web page that embeds each image.
#
# The following options are supported:
#
# -a s alignment, default "bottom"
# -t s title for page; default "untitled"
# -n include file names; default no names
#
############################################################################
#
# Requires: Version 9 graphics
#
############################################################################
#
# Links: options, wopen
#
############################################################################
link options
link wopen
record dim(w, h)
procedure main(args)
local name, opts, title, dim, align, names
opts := options(args, "t:a:n")
title := \opts["t"] | "untitled"
align := \opts["a"] | "bottom"
names := opts["n"]
write("<html><head><title>", title, "</title></head><body>")
every name := !args do {
dim := image_size(name) | {
write(&errout, "*** cannot open image file ", image(name))
next
}
write(
if \names then name else "",
"<p><img src=\"",
name,
"\" width=\"",
dim.w,
"\" height=\"",
dim.h,
"\" align=\"",
align,
"\"></p>"
)
}
write("</body></html>")
end
procedure image_size(name) #: size of GIF file
local win, size
win := WOpen("canvas=hidden", "image=" || name) | fail
size := dim(WAttrib(win, "width"), WAttrib(win, "height"))
WClose(win)
return size
end
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