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Diffstat (limited to 'ipl/gprogs/snapper.icn')
-rw-r--r-- | ipl/gprogs/snapper.icn | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/ipl/gprogs/snapper.icn b/ipl/gprogs/snapper.icn new file mode 100644 index 0000000..4411efd --- /dev/null +++ b/ipl/gprogs/snapper.icn @@ -0,0 +1,63 @@ +############################################################################ +# +# File: snapper.icn +# +# Subject: Program to display images +# +# Authors: Ralph E. Griswold and Clinton L. Jeffery +# +# Date: May 2, 2001 +# +############################################################################ +# +# This file is in the public domain. +# +############################################################################ +# +# This is just a simple program to display black-and-white versions of screen +# dumps. +# +# Type the name of an XBM or XPM file on the prompt in the input window. +# Get rid of an image by click in the image window. Exit the program +# by clicking in the input window. +# +# As an exercise, you might want to make this program more versatile -- +# and perhaps write a program to do slide shows. +# +############################################################################ +# +# Requires: Version 9 graphics +# +############################################################################ +# +# Links: wopen +# +############################################################################ + +link wopen + +procedure main(av) + local name, window, winput + + if *av > 0 then { + every name := !av do { + (window := WOpen("label=" || name, "image=" || name,"pos=400,200")) | + write(&errout,"cannot open image ",name) + } + Active() + } else { + winput := WOpen("label=snapper! (click mouse in this window to exit)") | + stop("** can't open window") + + repeat { + close(\window) + writes(winput, "next image: ") + name := read(winput) + (window := WOpen("label=" || name, "image=" || name,"pos=400,200")) | + write(winput,"cannot open image") + if Event(winput) === (&lpress | &mpress | &rpress) then + exit() + } + } + +end |