35 lines
1.1 KiB
Bash
35 lines
1.1 KiB
Bash
#!/bin/sh
|
|
# env
|
|
# Written in 2019 by Lucas
|
|
# CC0 1.0 Universal/Public domain - No rights reserved
|
|
#
|
|
# To the extent possible under law, the author(s) have dedicated all
|
|
# copyright and related and neighboring rights to this software to the
|
|
# public domain worldwide. This software is distributed without any
|
|
# warranty. You should have received a copy of the CC0 Public Domain
|
|
# Dedication along with this software. If not, see
|
|
# <http://creativecommons.org/publicdomain/zero/1.0/>.
|
|
|
|
: ${CANVAS_BGCOLOR:="#0d0a00"}
|
|
: ${CANVAS_HEIGHT:=768}
|
|
: ${CANVAS_WIDTH:=1366}
|
|
: ${IMAGE_HEIGHT:=768}
|
|
: ${IMAGE_WIDTH:=1080}
|
|
|
|
pos_x=$((($CANVAS_WIDTH - $IMAGE_WIDTH) / 2))
|
|
pos_y=$((($CANVAS_HEIGHT - $IMAGE_HEIGHT) / 2))
|
|
|
|
if ! tmpfile=$(mktemp -t bg.XXXXXXXXXX); then
|
|
printf "%s: Can't create temporary file.\n" "${0##*/}" >&2
|
|
exit 1
|
|
fi
|
|
|
|
trap 'rm -f "$tmpfile"' EXIT INT QUIT TERM
|
|
|
|
pngtopam -alphapam cyberia-cafe-club.png \
|
|
| pamscale -width="$IMAGE_WIDTH" -height="$IMAGE_HEIGHT" \
|
|
>"$tmpfile"
|
|
ppmmake "$CANVAS_BGCOLOR" "$CANVAS_WIDTH" "$CANVAS_HEIGHT" \
|
|
| pamcomp -xoff="$pos_x" -yoff="$pos_y" "$tmpfile" \
|
|
| pamtopng >cyberia-cafe-club-bg.png
|