154 lines
4.6 KiB
Bash
Executable file
154 lines
4.6 KiB
Bash
Executable file
#!/usr/bin/env bash
|
|
readonly ID_PREVIEW="preview"
|
|
|
|
#PLAY_GIF="yes"
|
|
# By enabling this option the GIF will be animated, by leaving it commented like it
|
|
# is now will make the gif previews behave the same way as video previews.
|
|
|
|
#AUTO_REMOVE="yes"
|
|
# By enabling this option the script will remove the preview file after it is drawn
|
|
# and by doing so the preview will always be up-to-date with the file.
|
|
# This however, requires more CPU and therefore affects the overall performance.
|
|
|
|
# The messy code below is for moving pages in pdf files in the vifm file preview by
|
|
# utilizing the < and > keys which will be bound to `vifmimg inc` or `vifmimg dec`.
|
|
PDF_PAGE_CONFIG="$HOME/.config/vifm/vifmimgpdfpage"
|
|
PDF_FILE_CONFIG="$HOME/.config/vifm/vifmimgpdffile"
|
|
PDF_PAGE=1
|
|
PDF_FILE=""
|
|
# Initialize the variables and required files
|
|
[[ -f "$PDF_PAGE_CONFIG" ]] && PDF_PAGE=$(cat $PDF_PAGE_CONFIG) || touch $PDF_PAGE_CONFIG
|
|
[[ -f "$PDF_FILE_CONFIG" ]] && PDF_FILE=$(cat $PDF_FILE_CONFIG) || touch $PDF_FILE_CONFIG
|
|
|
|
|
|
# Create temporary working directory if the directory structure doesn't exist
|
|
if [[ ! -d "/tmp$PWD/" ]]; then
|
|
mkdir -p "/tmp$PWD/"
|
|
fi
|
|
|
|
function inc() {
|
|
VAL="$(cat $PDF_PAGE_CONFIG)"
|
|
echo "$(expr $VAL + 1)" > $PDF_PAGE_CONFIG
|
|
}
|
|
|
|
function dec() {
|
|
VAL="$(cat $PDF_PAGE_CONFIG)"
|
|
echo "$(expr $VAL - 1)" > $PDF_PAGE_CONFIG
|
|
if [[ $VAL -le 0 ]]; then
|
|
echo 0 > $PDF_PAGE_CONFIG
|
|
fi
|
|
}
|
|
|
|
function previewclear() {
|
|
declare -p -A cmd=([action]=remove [identifier]="$ID_PREVIEW") \
|
|
> "$FIFO_UEBERZUG"
|
|
}
|
|
|
|
function fileclean() {
|
|
if [[ -f "/tmp$PWD/$6.png" ]]; then
|
|
rm -f "/tmp$PWD/$6.png"
|
|
elif [[ -d "/tmp$PWD/$6/" ]]; then
|
|
rm -rf "/tmp$PWD/$6/"
|
|
fi
|
|
}
|
|
|
|
function preview() {
|
|
declare -p -A cmd=([action]=add [identifier]="$ID_PREVIEW"
|
|
[x]="$2" [y]="$3" [width]="$4" [height]="$5" \
|
|
[path]="$PWD/$6") \
|
|
> "$FIFO_UEBERZUG"
|
|
}
|
|
|
|
function previewvideo() {
|
|
if [[ ! -f "/tmp$PWD/$6.png" ]]; then
|
|
ffmpegthumbnailer -i "$PWD/$6" -o "/tmp$PWD/$6.png" -s 0 -q 10
|
|
fi
|
|
declare -p -A cmd=([action]=add [identifier]="$ID_PREVIEW"
|
|
[x]="$2" [y]="$3" [width]="$4" [height]="$5" \
|
|
[path]="/tmp$PWD/$6.png") \
|
|
> "$FIFO_UEBERZUG"
|
|
}
|
|
|
|
function previewepub() {
|
|
if [[ ! -f "/tmp$PWD/$6.png" ]]; then
|
|
epub-thumbnailer "$6" "/tmp$PWD/$6.png" 1024
|
|
fi
|
|
declare -p -A cmd=([action]=add [identifier]="$ID_PREVIEW"
|
|
[x]="$2" [y]="$3" [width]="$4" [height]="$5" \
|
|
[path]="/tmp$PWD/$6.png") \
|
|
> "$FIFO_UEBERZUG"
|
|
}
|
|
|
|
function previewgif() {
|
|
if [[ ! -d "/tmp$PWD/$6/" ]]; then
|
|
mkdir -p "/tmp$PWD/$6/"
|
|
convert -coalesce "$PWD/$6" "/tmp$PWD/$6/$6.png"
|
|
fi
|
|
if [[ ! -z "$PLAY_GIF" ]]; then
|
|
for frame in $(ls -1 /tmp$PWD/$6/$6*.png | sort -V); do
|
|
declare -p -A cmd=([action]=add [identifier]="$ID_PREVIEW"
|
|
[x]="$2" [y]="$3" [width]="$4" [height]="$5" \
|
|
[path]="$frame") \
|
|
> "$FIFO_UEBERZUG"
|
|
# Sleep between frames to make the animation smooth.
|
|
sleep .07
|
|
done
|
|
else
|
|
declare -p -A cmd=([action]=add [identifier]="$ID_PREVIEW"
|
|
[x]="$2" [y]="$3" [width]="$4" [height]="$5" \
|
|
[path]="/tmp$PWD/$6/$6-0.png") \
|
|
> "$FIFO_UEBERZUG"
|
|
fi
|
|
}
|
|
|
|
function previewpdf() {
|
|
if [[ ! "$6" == "$PDF_FILE" ]]; then
|
|
PDF_PAGE=1
|
|
echo 1 > $PDF_PAGE_CONFIG
|
|
rm -f "/tmp$PWD/$6.png"
|
|
fi
|
|
|
|
if [[ ! "$PDF_PAGE" == "1" ]] && [[ -f "/tmp$PWD/$6.png" ]]; then
|
|
rm -f "/tmp$PWD/$6.png"
|
|
fi
|
|
|
|
if [[ ! -f "/tmp$PWD/$6.png" ]]; then
|
|
pdftoppm -png -f $PDF_PAGE -singlefile "$6" "/tmp$PWD/$6"
|
|
fi
|
|
echo "$6" > $PDF_FILE_CONFIG
|
|
|
|
declare -p -A cmd=([action]=add [identifier]="$ID_PREVIEW"
|
|
[x]="$2" [y]="$3" [width]="$4" [height]="$5" \
|
|
[path]="/tmp$PWD/$6.png") \
|
|
> "$FIFO_UEBERZUG"
|
|
}
|
|
|
|
|
|
function previewmagick() {
|
|
if [[ ! -f "/tmp$PWD/$6.png" ]]; then
|
|
convert -thumbnail $(identify -format "%wx%h" "$6") "$PWD/$6" "/tmp$PWD/$6.png"
|
|
fi
|
|
declare -p -A cmd=([action]=add [identifier]="$ID_PREVIEW"
|
|
[x]="$2" [y]="$3" [width]="$4" [height]="$5" \
|
|
[path]="/tmp$PWD/$6.png") \
|
|
> "$FIFO_UEBERZUG"
|
|
}
|
|
|
|
|
|
|
|
function main() {
|
|
case "$1" in
|
|
"inc") inc "$@" ;;
|
|
"dec") dec "$@" ;;
|
|
"clear") previewclear "$@" ;;
|
|
"clean") fileclean "$@" ;;
|
|
"draw") preview "$@" ;;
|
|
"videopreview") previewvideo "$@" ;;
|
|
"epubpreview") previewepub "$@" ;;
|
|
"gifpreview") previewgif "$@" ;;
|
|
"pdfpreview") previewpdf "$@" ;;
|
|
"magickpreview") previewmagick "$@" ;;
|
|
"*") echo "Unknown command: '$@'" ;;
|
|
esac
|
|
}
|
|
main "$@"
|