'
# RESCALE AND ADD IMAGE
# PARAM 1: original
# 2: thumbnail_basename
# 3: thumbnail_format (extension)
add_image() {
local FILE="$1"
local THUMB="$THUMBNAIL_PATH/$2-$GALLERY_ROW_HEIGHT"
local EXT="$3"
printf '%s\n' "Adding image: $FILE" >&2
if ! [ -f "$THUMB.$EXT" ] && [ "$FILE" != "$THUMB.$EXT" ];
then convert -quality $THUMBNAIL_QUALITY -sharpen 2x2 \
-coalesce -resize 6000x$GALLERY_ROW_HEIGHT\> \
-deconstruct "$FILE" "${THUMB}_tmp.$EXT" && \
mv "${THUMB}_tmp.$EXT" "$THUMB.$EXT"
fi
local WH="$(identify -format ' %w %h ' "$THUMB.$EXT" \
| awk '{ print "width="$1" height="$2 }')"
printf ' %s\n' "
"
printf ' %s\n' "![](\"$THUMB.$EXT\")
"
printf ' %s\n' ''
}
### MAIN LOOP ##########################################################
for file in *.*;
do
if [ -f "$file" ];
then
case $(printf '%s' ${file##*.} | tr '[:upper:]' '[:lower:]') in
jpg|jpeg|png)
add_image "$file" "${file%%.*}" "jpeg" ;;
gif)
add_image "$file" "${file%%.*}" "gif" ;;
*) printf '%s\n' "Ignoring: $file" >&2 ;;
esac
fi
done
### MAIN LOOP END ######################################################
# PRINT FOOTER
printf '%s%s\n' \
"