Image: Added sixel backend

neofetch

@@ -1985,7 +1985,7 @@ image_backend() {
         "ascii") get_ascii ;;
         "off") image_backend="off" ;;
 
-        "caca" | "catimg" | "jp2a" | "iterm2" | "tycat" | "w3m")
+        "caca" | "catimg" | "jp2a" | "iterm2" | "tycat" | "w3m" | "sixel")
             get_image_source
 
             if [[ ! -f "$image" ]]; then
@@ -1997,7 +1997,6 @@ image_backend() {
 
             if [[ "$term_width" ]] && ((term_width >= 1)); then
                 clear
-                zws="​ "
             else
                 to_ascii "Image: Failed to find terminal window size."
                 err "Image: Check the 'Images in the terminal' wiki page for more info,"
@@ -2011,7 +2010,7 @@ image_backend() {
 
         *)
             err "Image: Unknown image backend specified '$image_backend'."
-            err "Image: Valid backends are: 'ascii', 'caca', 'catimg', 'jp2a', 'iterm2', 'off', 'tycat', 'w3m')"
+            err "Image: Valid backends are: 'ascii', 'caca', 'catimg', 'jp2a', 'iterm2', 'off', 'sixel', 'tycat', 'w3m')"
             err "Image: Falling back to ascii mode."
             get_ascii
         ;;
@@ -2384,23 +2383,23 @@ make_thumbnail() {
 display_image() {
     case "$image_backend" in
         "caca")
-            img2txt -W "$((width / font_width)))" -H "$((height / font_height))" --gamma=0.6 "$image" || to_off "Image: catimg failed to display the image."
-            zws=
+            img2txt -W "$((width / font_width)))" -H "$((height / font_height))" --gamma=0.6 "$image" || to_off "Image: libcaca failed to display the image."
         ;;
 
         "catimg")
             catimg -w "$((width * 2 / font_width))" -r 0 "$image" || to_off "Image: catimg failed to display the image."
-            zws=
         ;;
 
         "jp2a")
             jp2a --width="$((width / font_width))" --colors "$image" || to_off "Image: jp2a failed to display the image."
-            zws=
+        ;;
+
+        "sixel")
+            img2sixel -w "$width" "$image" || to_off "Image: libsixel failed to display the image."
         ;;
 
         "iterm2")
             printf "%b\a\n" "\033]1337;File=width=${width}px;height=${height}px;inline=1:$(base64 < "$image")"
-            zws=
         ;;
 
         "tycat")
@@ -2415,6 +2414,8 @@ display_image() {
             sleep 0.05
             printf "%b\n" "0;1;$xoffset;$yoffset;$width;$height;;;;;$image\n4;\n3;" |\
             "${w3m_img_path:-false}" -bg "$background_color" >/dev/null & 2>&1 || to_off "Image: w3m-img failed to display the image."
+
+            zws="​ "
         ;;
     esac
 }
@@ -2438,7 +2439,6 @@ to_off() {
     err "$1"
     image_backend="off"
     text_padding=
-    zws=
 }
 
 # SCREENSHOT
@@ -3804,7 +3804,7 @@ BARS:
 
 IMAGE BACKEND:
     --backend backend           Which image backend to use.
-                                Possible values: 'ascii', 'caca', 'catimg', 'jp2a', 'iterm2', 'off', 'tycat', 'w3m'
+                                Possible values: 'ascii', 'caca', 'catimg', 'jp2a', 'iterm2', 'off', 'sixel', 'tycat', 'w3m'
     --source source             Which image or ascii file to use.
                                 Possible values: 'auto', 'ascii', 'wallpaper', '/path/to/img', '/path/to/ascii', '/path/to/dir/'
     --ascii source              Shortcut to use 'ascii' backend.
@@ -3812,6 +3812,7 @@ IMAGE BACKEND:
     --catimg source             Shortcut to use 'catimg' backend.
     --iterm2 source             Shortcut to use 'iterm2' backend.
     --jp2a source               Shortcut to use 'jp2a' backend.
+    --sixel source              Shortcut to use 'sixel' backend.
     --tycat source              Shortcut to use 'tycat' backend.
     --w3m source                Shortcut to use 'w3m' backend.
     --off                       Shortcut to use 'off' backend.
@@ -4014,7 +4015,7 @@ get_args() {
             # Image backend
             "--backend") image_backend="$2" ;;
             "--source") image_source="$2" ;;
-            "--ascii" | "--caca" | "--catimg" | "--jp2a" | "--iterm2" | "--off" | "--tycat" | "--w3m")
+            "--ascii" | "--caca" | "--catimg" | "--jp2a" | "--iterm2" | "--off" | "--sixel" | "--tycat" | "--w3m")
                 image_backend="${1/--}"
                 case "$2" in
                     "-"* | "") ;;