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#!/bin/sh
#
# Tests for the GIFLIB utilities.
# Usage:
# test-unx [display_prgm]
#
# This test assumes the gif_lib utilities are available from one of the
# path directories, and that GIF_DIR is set (directly or through command line)
# to the directory holding these gif files:
# 1. solid2.gif
# 2. cover.gif
# 3. porsche.gif
# In addition, set GIF_DISPLAY ( directly or through command line) to the
# program to display gif files in our system.
#
# Gershon Elber, Feb 90. Rewritten by Eric Raymond, December 1995.
# Revised by Toshio Kuratomi December 1998.
PATH=$PATH:./util:${SRCDIR}/util
GIF_DIR=${SRCDIR}./pic
GIF_DISPLAY=${1:-"xv -"}
GIF_DISPLAY=${GIF_DISPLAY:-"gif2x11"}
#GIF_DIR=${1:-./pic}
#GIF_DISPLAY=${2:-gif2x11}
echo "The Porsche."
echo "$GIF_DISPLAY <$GIF_DIR/porsche.gif"
echo "The Porsche composited with a generated background"
util/gifbg -d tl -s 320 200 -c 255 255 255 -l 64 > bg1.gif
util/gifcomb $GIF_DIR/porsche.gif bg1.gif | $GIF_DISPLAY
rm -f bg1.gif
echo "Color density report on the TNHD cover image"
util/gifhisto -t $GIF_DIR/cover.gif | sort -r | more
echo "Color histogram of the Porsche image"
util/gifhisto -b -s 200 512 $GIF_DIR/porsche.gif | util/gifflip -l | $GIF_DISPLAY
echo "The #2 solid flipped on its side"
util/gifflip -r $GIF_DIR/solid2.gif | util/gifrsize | $GIF_DISPLAY
echo "TNHD cover flipped on its side"
util/gifflip -x $GIF_DIR/cover.gif | $GIF_DISPLAY
echo "Scale the #2 solid by 0.45"
cp $GIF_DIR/solid2.gif sall.gif
util/gifrsize -s 0.45 sall.gif | $GIF_DISPLAY
rm -f s?.gif sall.gif
echo "Reposition the Porsche image"
util/gifpos -s 720 348 -i 400 148 $GIF_DIR/porsche.gif | $GIF_DISPLAY
echo "Resize the #2 solid image"
util/gifrsize -S 800 600 $GIF_DIR/solid2.gif | $GIF_DISPLAY
echo "Clip, crop, and resize the #2 solid image"
util/gifclip -i 222 0 390 134 $GIF_DIR/solid2.gif | util/gifpos -s 169 135 | util/gifrsize -s 2.0 | $GIF_DISPLAY
echo "Rotate the cover image by 45 degrees"
util/gifrotat -a 45 $GIF_DIR/cover.gif | $GIF_DISPLAY
echo "Copy the Porsche image (test DGifSlurp and DGifSpew)"
util/gifspnge <$GIF_DIR/porsche.gif | $GIF_DISPLAY
echo "Copy a transparent image (test extensions)"
util/gifspnge <$GIF_DIR/x-trans.gif |$GIF_DISPLAY
# echo "Copy an animated gif, that has shared colour maps"
util/gifspnge <$GIF_DIR/welcome2.gif | $GIF_DISPLAY
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