289 lines
7.8 KiB
Bash
Executable file
289 lines
7.8 KiB
Bash
Executable file
#!/bin/bash
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VERSION="1.2" # Version number of wiw
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W3MIMGDISPLAY="/usr/lib/w3m/w3mimgdisplay" # Were w3mimgdisplay is located
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DEL="-" # The default delimiter between items
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DFW="7" # Default font width
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DFH="16" # Default font height
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CLEAR="0" # If this is set to 1 it clears the teminal before printing the image
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FIT="1" # If this is set to 1 then wiw will limit the size of the image
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ECHO="0" # If this is set to 1 then wiw will output the command that should be piped into w3mimgdisplay, instead of printing the image
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CENTER="0" # If this is set to 1 then wiw will center the image between x,y and mw,mh
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# Print help
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if [[ "$1" == "-h" ]] || [[ "$1" == "--help" ]]; then
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echo "wiw: w3mimg Wrapper Version: $VERSION"
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echo "USAGE"
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echo " wiw [-h --help] Display this"
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echo " wiw --size IMAGE Print the width and height of the image, returned as 'WIDTH HEIGHT'"
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echo " wiw [ARGS] IMAGE Display an image on the terminal"
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echo " wiw --echo [ARGS] IMAGE Print out the command to produce the desired image"
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echo " wiw --direct CMD Pass a command directly into w3mimgdisplay"
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echo "ARGS"
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echo " --clear Clear the terminal before printing the image"
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echo " --no-fit Don't force the image to fit the terminal"
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echo " --center Tells wiw to center the image in the given space"
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echo " -f width${DEL}height Set the width and height of the font, used to determine max term size and items specified in U"
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echo " (default width = ${DFW}, default height = ${DFH})"
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echo " -g x${DEL}y${DEL}width${DEL}height Set the x, y, width, and height of the image"
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echo " (default x = 0, default y = 0, default w = term width, default h = term height)"
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echo " You can specify these as a #U (were # is any number) to use the unit of the font"
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echo " width and height can be set to R, this will preserve image ratio"
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echo " -s x${DEL}y${DEL}width${DEL}height Set the x, y, width, and height of the source image"
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echo " (default x = 0, default y = 0, default w = image width, default h = image height)"
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echo " You can specify these as a #U (were # is any number) to use the unit of the font"
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echo " This command is a bit weird, I would reccomend not using it unless really needed"
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echo " -m width${DEL}height Set the max width and height the image can consume"
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echo " (default w = full term width, default h = full term height)"
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echo " You can specify these as a #U (were # is any number) to use the unit of the font"
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echo " You can specify these as a #N (were # is any number) to subtract from the max term size"
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echo " -c width${DEL}height Set the cursor position for after the image is printed"
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echo " (default x = 0, default y = line after image)"
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echo " x and y can be set to LAST, to be placed at the last element"
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echo " -d delimiter Set the delimiter between items in the -f, -g, and -s args (MUST BE A SINGLE CHARACTER)"
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echo " (default delimiter = '${DEL}')"
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exit
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# Print the size of the image
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elif [[ "$1" == "--size" ]]; then
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echo -e "5;$2" | $W3MIMGDISPLAY
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exit
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# Pass a command directly into w3mimgdisplay
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elif [[ "$1" == "--direct" ]]; then
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echo -e "$2" | $W3MIMGDISPLAY
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exit
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fi
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# Cycle through args
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while [ $# != 1 ]; do
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if [[ "$1" == "--clear" ]]; then
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CLEAR="1"
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elif [[ "$1" == "--no-fit" ]]; then
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FIT="0"
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elif [[ "$1" == "--echo" ]]; then
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ECHO="1"
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elif [[ "$1" == "--center" ]]; then
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CENTER="1"
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elif [[ "$1" == "-f" ]]; then
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FW=`echo "$2" | cut -d "$DEL" -f1`
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FH=`echo "$2" | cut -d "$DEL" -f2`
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shift
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elif [[ "$1" == "-g" ]]; then
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X=`echo "$2" | cut -d "$DEL" -f1`
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Y=`echo "$2" | cut -d "$DEL" -f2`
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W=`echo "$2" | cut -d "$DEL" -f3`
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H=`echo "$2" | cut -d "$DEL" -f4`
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shift
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elif [[ "$1" == "-s" ]]; then
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SX=`echo "$2" | cut -d "$DEL" -f1`
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SY=`echo "$2" | cut -d "$DEL" -f2`
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SW=`echo "$2" | cut -d "$DEL" -f3`
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SH=`echo "$2" | cut -d "$DEL" -f4`
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shift
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elif [[ "$1" == "-c" ]]; then
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CX=`echo "$2" | cut -d "$DEL" -f1`
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CY=`echo "$2" | cut -d "$DEL" -f2`
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shift
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elif [[ "$1" == "-m" ]]; then
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MW=`echo "$2" | cut -d "$DEL" -f1`
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MH=`echo "$2" | cut -d "$DEL" -f2`
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shift
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elif [[ "$1" == "-d" ]]; then
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DEL="$2"
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shift
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fi
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shift
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done
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# Set the file to the only remaining param
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FN="$1"
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shift
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# Test to make sure that the file exists
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test -e "$FN" || exit
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### SET DEFAULTS IF THEY WERE NOT SET BY ARGS
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# If an font width or height was not set then use the default
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if [[ "$FW" == "" ]]; then
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FW="$DFW"
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fi
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if [[ "$FH" == "" ]]; then
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FH="$DFH"
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fi
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# If an X or Y was not set then set them to 0
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if [[ "$X" == "" ]]; then
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X="0";
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fi
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if [[ "$Y" == "" ]]; then
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Y="0";
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fi
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# If an x or y is in U
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if [[ "$X" == *"U" ]]; then
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X=`echo "$X" | cut -d "U" -f1`
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X=$(($X * $FW))
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fi
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if [[ "$Y" == *"U" ]]; then
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Y=`echo "$Y" | cut -d "U" -f1`
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Y=$(($Y * $FH))
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fi
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# Full image width and height
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read IW IH <<< `echo -e "5;$FN" | $W3MIMGDISPLAY`
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# If no width or height were specified use the temp
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if [[ "$W" == "" ]]; then
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W="$IW";
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fi
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if [[ "$H" == "" ]]; then
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H="$IH";
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fi
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# If a width or height is in U
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if [[ "$W" == *"U" ]]; then
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W=`echo "$W" | cut -d "U" -f1`
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W=$(($W * $FW))
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fi
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if [[ "$H" == *"U" ]]; then
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H=`echo "$H" | cut -d "U" -f1`
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H=$(($H * $FH))
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fi
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# If no sx or sy were set then set them to 0
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if [[ "$SX" == "" ]]; then
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SX="0";
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fi
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if [[ "$SY" == "" ]]; then
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SY="0";
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fi
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# If an sx or sy is in U
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if [[ "$SX" == *"U" ]]; then
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SX=`echo "$SX" | cut -d "U" -f1`
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SX=$(($SX * $FW))
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fi
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if [[ "$SY" == *"U" ]]; then
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SY=`echo "$SY" | cut -d "U" -f1`
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SY=$(($SY * $FH))
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fi
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# If no s width or s height were specified use the temp
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if [[ "$SW" == "" ]]; then
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SW="$IW";
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fi
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if [[ "$SH" == "" ]]; then
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SH="$IH";
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fi
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# If a width or height is in U
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if [[ "$SW" == *"U" ]]; then
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SW=`echo "$SW" | cut -d "U" -f1`
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SW=$(($SW * $FW))
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fi
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if [[ "$SH" == *"U" ]]; then
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SH=`echo "$SH" | cut -d "U" -f1`
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SH=$(($SH * $FH))
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fi
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# Get column and line count
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COL=`tput cols`
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LIN=`tput lines`
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# TEMPORARY VARIABLES FOR THE ABILITY TO USE BOTH U AND N
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TMW="$MW"
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TMH="$MH"
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# If no max width or height were set then use the default
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if [[ "$TMW" == "" ]]; then
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MW=$((($FW * $COL) - $X + $SX))
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fi
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if [[ "$TMH" == "" ]]; then
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MH=$((($FH * $(($LIN - 2)) - $Y + $SY))) # substract lines for prompt
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fi
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# If a width or height is in U
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if [[ "$TMW" == *"U"* ]]; then
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MW=`echo "$MW" | cut -d "U" -f1 | cut -d "N" -f1`
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MW=$(($MW * $FW))
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fi
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if [[ "$TMH" == *"U"* ]]; then
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MH=`echo "$MH" | cut -d "U" -f1 | cut -d "N" -f1`
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MH=$(($MH * $FH))
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fi
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# If a width or height is in U
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if [[ "$TMW" == *"N"* ]]; then
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MW=`echo "$MW" | cut -d "U" -f1 | cut -d "N" -f1`
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MW=$((($FW * $COL) - $X + $SX - $MW))
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fi
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if [[ "$TMH" == *"N"* ]]; then
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MH=`echo "$MH" | cut -d "U" -f1 | cut -d "N" -f1`
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MH=$((($FH * $(($LIN - 2)) - $Y + $SY - $MH)))
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fi
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### DONE SETTING DEFAULTS
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if [[ "$W" == "R" ]] && [[ "$H" == "R" ]]; then
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W="$IW";
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H="$IH";
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elif [[ "$W" == "R" ]]; then
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W=$(($IW * $H))
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W=`printf "%.0f" $(echo "scale=2;$W/$IH" | bc)`
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elif [[ "$H" == "R" ]]; then
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H=$(($IH * $W))
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H=`printf "%.0f" $(echo "scale=2;$H/$IW" | bc)`
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fi
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# If --no-fit was not run then limit size
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if [[ "$FIT" == "1" ]]; then
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if test $W -gt $MW; then
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H=$(($H * $MW / $W))
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W=$MW
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fi
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if test $H -gt $MH; then
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W=$(($W * $MH / $H))
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H=$MH
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fi
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fi
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# If --center was run
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if [[ "$CENTER" == "1" ]]; then
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X=$((($MW - $W) / 2))
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Y=$((($MH - $H) / 2))
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fi
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# Format the command
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WC="0;1;$X;$Y;$W;$H;$SX;$SY;$SW;$SH;$FN\n4;\n3;"
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# If no cx or cy was set then use the defaults
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if [[ "$CX" == "" ]]; then
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CX="0";
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fi
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if [[ "$CY" == "" ]]; then
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CY=$(($H + $Y - $SY))
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CY=`printf "%.0f" $(echo "scale=2;$CY/$FH" | bc)`
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fi
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# If cx or cy was set to LAST
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if [[ "$CX" == "LAST" ]]; then
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CX="$COL";
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fi
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if [[ "$CY" == "LAST" ]]; then
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CY="$LIN"
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fi
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# If --echo was run
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if [[ "$ECHO" == "1" ]]; then
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echo -e "$WC"
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else
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# If --clear was run
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if [[ "$CLEAR" == "1" ]]; then
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clear
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fi
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tput cup $CY $CX
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echo -e "$WC" | $W3MIMGDISPLAY
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fi
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