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view tools/create-screenshot-for-doc @ 4654:b9e4ebcad82f

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disable doc extraction for optim package Disable the rules for extracting doc strings because they don't work when cross compiling. Our patches to the source files don't touch the doc strings, so there is no need to update them anyway.
author John W. Eaton <jwe@octave.org>
date Tue, 10 Apr 2018 07:50:10 -0400
parents 14b3f5ea78ae
children
line wrap: on
line source

#!/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"