From c54b5ef0f166a6454522686e6a2a5c1550505eb0 Mon Sep 17 00:00:00 2001
From: Marc Vertes <mvertes@free.fr>
Date: Sun, 20 Jun 2021 16:50:57 +0200
Subject: update

---
 bin/icat | 40 +++++++++++++++++++++++++++++++++++++---
 1 file changed, 37 insertions(+), 3 deletions(-)

(limited to 'bin/icat')

diff --git a/bin/icat b/bin/icat
index 702d648..d363e09 100755
--- a/bin/icat
+++ b/bin/icat
@@ -1,10 +1,12 @@
 #!/bin/sh -e
 # Display images directly in terminal.
-# Tested with xterm v361
+# Tested with xterm v361. Depends on imagemagick convert(1).
+
+[ "$LC_TERMINAL" = iTerm2 ] && [ -x "$HOME/.iterm2/imgcat" ] && exec "$HOME/.iterm2/imgcat" "$@"
 
 # maxsize prints the geomtry size of terminal window, with
 # a maximum value of 1000 pixels for width and height, or
-# 640x480 if size can not be probed.
+# 640x480 if terminal size can not be probed.
 maxsize() {
 	[ "$WINDOWID" ] || { echo "640x480>"; return; }
 	xwininfo -id "$WINDOWID" | {
@@ -19,10 +21,42 @@ maxsize() {
 	}
 }
 
+clearline() { printf "\r                                                     \r"; }
+
+ms=$(maxsize)
+
 # Use convert(1) from imagemagick to output sixel format.
 # -flatten uses the terminal background color as transparent layer
 # -resize use the terminal size as bounding box, with a limit of 1000 pixels
 # image is not resized if smaller than limit
 #exec convert -resize "$(maxsize)>" -transparent-color white -flatten -- ${1:--} sixel:-
 # color #rrrrggggbbbb
-exec convert -resize "$(maxsize)>" -- ${1:--} sixel:${2:--}
+#exec convert -resize "$(maxsize)>" -- ${1:--} sixel:${2:--}
+
+put=:
+while getopts :cpv opt; do
+	case $opt in
+	(c) clear=1 ;;
+	(p) pause=1 put=printf ;;
+	(v) put=printf ;;
+	(*) echo "Usage: icat [-cpv] [image_file ...]"; exit 1 ;;
+	esac
+done
+shift $((OPTIND - 1))
+
+[ "$#" = 0 -o "$#" = 1 -a "$1" = - ] && {
+	convert -resize "$ms>" - sixel:-
+	exit
+}
+
+for f; do
+	$put "Next: %s" "$f"
+	[ "$pause" ] && {
+		read -sr
+		[ "$REPLY" = s ] && clearline && continue
+	}
+	[ "$clear" ] && clear
+	clearline
+	$put "%s\n" "$f"
+	convert -resize "$ms>" -- "$f" sixel:-
+done
-- 
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