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of-tisean: Fix compatibility with Octave 9. * src/of-tisean-3-octave-9-compat.patch: Add patch that replaces functions that have been deprecated in Octave 7 and removed from Octave 9. * dist-files.mk: Add new file to list.
author Markus Mützel <markus.muetzel@gmx.de>
date Fri, 18 Nov 2022 19:02:02 +0100
parents 14b3f5ea78ae
children
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#!/usr/bin/env bash
set -eu

if [ "$#" -ne 2 ]; then
    echo
    echo "Syntax: $0 [IMAGE.png] [NAME]"
    echo
    echo 'IMAGE.png -> screenshot-NAME.png + screenshot-NAME-small.png'
    echo
    exit 1
fi

set -v

IMAGE_FILE="$1"
NAME="$2"

cat "$IMAGE_FILE" \
| pngtopnm \
| pnmtopng -compression 9 \
> "screenshot-$NAME.png"

cat "screenshot-$NAME.png" \
| pngtopnm \
| pnmscale -ysize 128 \
> "screenshot-$NAME-small.pnm"

pnmquant 256 "screenshot-$NAME-small.pnm" \
| pnmtopng -compression 9 \
> "screenshot-$NAME-small.png"

rm -f "screenshot-$NAME-small.pnm"