1 files changed, 97 insertions, 0 deletions
diff --git a/.config/vifm/scripts/vifmimg b/.config/vifm/scripts/vifmimg
new file mode 100755
index 0000000..e45a903
--- /dev/null
+++ b/.config/vifm/scripts/vifmimg
@@ -0,0 +1,97 @@
+#!/usr/bin/env bash
+readonly ID_PREVIEW="preview"
+
+# Preview an image file directly
+function draw() {
+  declare -p -A cmd=([action]=add [identifier]="$ID_PREVIEW"
+                     [x]="$2" [y]="$3" [width]="$4" [height]="$5" \
+                     [path]="${PWD}/$6") \
+    > "$FIFO_UEBERZUG"
+}
+
+function font_preview() {
+  # if no preview found, generate one
+  if [ ! -f "/tmp${PWD}/$6.png" ]; then
+    fontpreview -i "$6" -o "/tmp${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 pdf_preview() {
+  # if no preview found, generate one
+  if [ ! -f "/tmp${PWD}/$6.png" ]; then
+    pdftoppm -png -singlefile "$6" "/tmp${PWD}/$6"
+  fi
+  declare -p -A cmd=([action]=add [identifier]="$ID_PREVIEW"
+                     [x]="$2" [y]="$3" [width]="$4" [height]="$5" \
+                     [path]="/tmp${PWD}/$6.png") \
+    > "$FIFO_UEBERZUG"
+}
+
+function audio_preview() {
+  # if no preview found, generate one
+  if [ ! -f "/tmp${PWD}/$6.png" ]; then
+    ffmpeg -i "$6" "/tmp${PWD}/$6.png" -y &> /dev/null
+  fi
+  declare -p -A cmd=([action]=add [identifier]="$ID_PREVIEW"
+                     [x]="$2" [y]="$3" [width]="$4" [height]="$5" \
+                     [path]="/tmp${PWD}/$6.png") \
+    > "$FIFO_UEBERZUG"
+}
+
+function video_preview() {
+  # if no preview found, generate one
+  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 epub_preview() {
+    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"
+}
+
+# clear preview image
+function clear_preview() {
+  declare -p -A cmd=([action]=remove [identifier]="$ID_PREVIEW") \
+    > "$FIFO_UEBERZUG"
+}
+
+# Check all the dependencies that are needed to show all the file previews.
+# The reason why we are sending a notification incase a dependency does not
+# exist is because that is the easiest way to get the user's attention.
+dependencies=(ffmpeg ffmpegthumbnailer fontpreview pdftoppm epub-thumbnailer)
+for dependency in "${dependencies[@]}"; do
+    type -p "$dependency" &>/dev/null || {
+        notify-send "vifm" "Could not find '${dependency}', is it installed?"
+        exit 1
+    }
+done
+
+
+# Make sure ueberzug's fifo exists
+if [ -e "$FIFO_UEBERZUG" ]; then
+  # Make a temp dir for rendering if not exists
+  [ ! -d "/tmp${PWD}/" ] && mkdir -p "/tmp${PWD}/"
+  case "$1" in
+    draw) draw "$@" ;;
+    font) font_preview "$@" ;;
+    pdf) pdf_preview "$@" ;;
+    video) video_preview "$@" ;;
+    clear) clear_preview ;;
+    audio) audio_preview "$@" ;;
+    epub) epub_preview "$@" ;;
+  esac
+fi