tshirt-design - annna - Annna the nice friendly bot.
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---
tshirt-design (1202B)
---
1 #!/bin/sh
2
3 mediadir=/home/annna/bin/modules/filter-media
4
5 die() {
6 printf '%s\n' "$1" >&2
7 exit 1
8 }
9
10 if test $# -ne 2; then
11 die "usage: ${0##*/} <file> <outimagefile>"
12 fi
13
14 mimetype="$(file -ib "$1")"
15 case "$mimetype" in
16 video/*)
17 in="$(mktemp).jpg"
18 ffmpeg -i "$1" -frames:v 1 "$in";;
19 image/*)
20 in="$1";;
21 *)
22 die "file type '${mimetype}' not supported";;
23 esac
24
25 shirt="$(shuf -n 1 -e "${mediadir}"/tshirt*.jpg)"
26
27 case "$shirt" in
28 */tshirt1.jpg)
29 size=400x600
30 geometry=+0+50
31 rotate=-3 ;;
32 */tshirt2.jpg)
33 size=350x400
34 geometry=-10-75
35 rotate=0 ;;
36 */tshirt3.jpg)
37 size=180x350
38 geometry=+0+50
39 rotate=-2 ;;
40 */tshirt4.jpg)
41 size=200x450
42 geometry=-10+50
43 rotate=0 ;;
44 */tshirt5.jpg)
45 size=200x450
46 geometry=+5+100
47 rotate=0 ;;
48 */tshirt6.jpg)
49 size=300x450
50 geometry=+5-50
51 rotate=0 ;;
52 */tshirt7.jpg)
53 size=400x550
54 geometry=+5+0
55 rotate=0 ;;
56 */tshirt8.jpg)
57 size=300x500
58 geometry=-15+80
59 rotate=-2 ;;
60 *)
61 die "unknown tshirt: $tshirt";;
62 esac
63
64 magick convert "$shirt" \
65 \( "${in}" \
66 -matte \
67 -virtual-pixel transparent \
68 -background transparent \
69 -resize "$size" \
70 -rotate "$rotate" \
71 \) \
72 -geometry "$geometry" \
73 -gravity center \
74 -composite "$2"