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Merge pull request #2331 from posva/catimg

Catimg plugin
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commit a811ab0ba7f6915cce376ec6b2a7180ee1d04d5f 2 parents e744bf2 + 8309b0a
@robbyrussell authored
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17 plugins/catimg/catimg.plugin.zsh
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+################################################################################
+# catimg script by Eduardo San Martin Morote aka Posva #
+# http://posva.net #
+# #
+# Ouput the content of an image to the stdout using the 256 colors of the #
+# terminal. #
+# Github: https://github.com/posva/catimg #
+################################################################################
+
+
+function catimg() {
+ if [[ -x `which convert` ]]; then
+ zsh $ZSH/plugins/catimg/catimg.sh $@
+ else
+ echo "catimg need convert (ImageMagick) to work)"
+ fi
+}
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88 plugins/catimg/catimg.sh
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+################################################################################
+# catimg script by Eduardo San Martin Morote aka Posva #
+# http://posva.net #
+# #
+# Ouput the content of an image to the stdout using the 256 colors of the #
+# terminal. #
+# Github: https://github.com/posva/catimg #
+################################################################################
+
+function help() {
+ echo "Usage catimg [-h] [-w width] [-c char] img"
+ echo "By default char is \" \" and w is the terminal width"
+}
+
+# VARIABLES
+COLOR_FILE=$(dirname $0)/colors.png
+CHAR=" "
+
+WIDTH=""
+IMG=""
+
+while getopts qw:c:h opt; do
+ case "$opt" in
+ w) WIDTH="$OPTARG" ;;
+ c) CHAR="$OPTARG" ;;
+ h) help; exit ;;
+ *) help ; exit 1;;
+ esac
+ done
+
+while [ "$1" ]; do
+ IMG="$1"
+ shift
+done
+
+if [ "$IMG" = "" -o ! -f "$IMG" ]; then
+ help
+ exit 1
+fi
+
+if [ ! "$WIDTH" ]; then
+ COLS=$(expr $(tput cols) "/" $(echo -n "$CHAR" | wc -c))
+else
+ COLS=$(expr $WIDTH "/" $(echo -n "$CHAR" | wc -c))
+fi
+WIDTH=$(convert "$IMG" -print "%w\n" /dev/null)
+if [ "$WIDTH" -gt "$COLS" ]; then
+ WIDTH=$COLS
+fi
+
+REMAP=""
+if convert "$IMG" -resize $COLS\> +dither -remap $COLOR_FILE /dev/null ; then
+ REMAP="-remap $COLOR_FILE"
+else
+ echo "The version of convert is too old, don't expect good results :(" >&2
+ #convert "$IMG" -colors 256 PNG8:tmp.png
+ #IMG="tmp.png"
+fi
+
+# Display the image
+I=0
+convert "$IMG" -resize $COLS\> +dither `echo $REMAP` txt:- 2>/dev/null |
+sed -e 's/.*none.*/NO NO NO/g' -e '1d;s/^.*(\(.*\)[,)].*$/\1/g;y/,/ /' |
+while read R G B f; do
+ if [ ! "$R" = "NO" ]; then
+ if [ "$R" -eq "$G" -a "$G" -eq "$B" ]; then
+ ((
+ I++,
+ IDX = 232 + R * 23 / 255
+ ))
+ else
+ ((
+ I++,
+ IDX = 16
+ + R * 5 / 255 * 36
+ + G * 5 / 255 * 6
+ + B * 5 / 255
+ ))
+ fi
+ #echo "$R,$G,$B: $IDX"
+ echo -ne "\e[48;5;${IDX}m${CHAR}"
+ else
+ (( I++ ))
+ echo -ne "\e[0m${CHAR}"
+ fi
+ # New lines
+ (( $I % $WIDTH )) || echo -e "\e[0m"
+done
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BIN  plugins/catimg/colors.png
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