* Simple Justified Gallery
       
   URI git clone git://git.codevoid.de/mkpicindex
   DIR Log
   DIR Files
   DIR Refs
   DIR README
       ---
   DIR commit 50ebf2ce63e6603ac02af60d4212c2eb689f2c73
   DIR parent 30d2f2725eb9b5e810deeca4036c6bc6a096b141
   URI Author: Stefan Hagen <sh+git[at]codevoid[dot]de>
       Date:   Fri, 25 Oct 2019 16:57:27 +0200
       
       push
       
       Diffstat:
         A mkpicindex-static.sh                |     182 +++++++++++++++++++++++++++++++
       
       1 file changed, 182 insertions(+), 0 deletions(-)
       ---
   DIR diff --git a/mkpicindex-static.sh b/mkpicindex-static.sh
       @@ -0,0 +1,182 @@
       +#!/bin/sh
       +
       +printf '%s' \
       +'/*!
       + * mkpicindex.sh - v0.1
       + * https://codevoid.de
       + * Copyright (c) 2019 Stefan Hagen
       + * Licensed under the ISC license.
       + */
       +' > LICENSE
       +
       +# CONFIGURE
       +GALLERY_TITLE="My Gallery" # browser title
       +GALLERY_WIDTH=1000         # how wide will the gallery be
       +GALLERY_ROW_HEIGHT=150     # how high will the justified rows be?
       +GALLERY_RANDOMIZE=false     # enable random sorting (true,false)
       +BODY_STYLE="color:orange; background:black;" # <body style="?">
       +THUMBNAIL_QUALITY=83       # quality for thumbnails
       +THUMBNAIL_PATH="thm"       # relative path to thumbnail folder
       +INCLUDE_HEADER="HEADER"    # file with html to include before gallery
       +INCLUDE_FOOTER="FOOTER"    # file with html to include after gallery
       +
       +### ZE PROGAM STARTZ HERE ##############################################
       +cleanup() {
       +    # DELETE BROKEN IMAGES
       +    printf '%s\n' "Removing incomplete thumbnails." >&2
       +    find $THUMBNAIL_PATH -name "*_tmp.*" -exec rm -v "{}" \;
       +    exit 1
       +}
       +trap cleanup 1 2 3 6
       +
       +# CREATE THUMBNAIL DIRECTORY
       +mkdir -p $THUMBNAIL_PATH
       +
       +# INCLUDE CUSTOM HEADER & FOOTER
       +FOOTER=$([ -f $INCLUDE_FOOTER ] && cat $INCLUDE_FOOTER | sed 's/^/        /g')
       +HEADER=$([ -f $INCLUDE_HEADER ] && cat $INCLUDE_HEADER | sed 's/^/        /g')
       +
       +# PRINT HEADER
       +printf '%s%s%s%s%s\n' \
       +"<html>
       +    <head>
       +        <title>$GALLERY_TITLE</title>
       +        <meta name=\"viewport\" content=\"width=device-width\">
       +    </head>
       +    <body style=\"$BODY_STYLE\">
       +$HEADER"
       +
       +
       +# take one image
       +  # resize to $ROW_HEIGHT
       +    # check if width exceeds $GALLERY_WIDTH
       +      # if not: take next picture
       +        # resize to $ROW_HEIGHT
       +          # check if first picture width + second picture width exceeds $GALLERY_WIDTH
       +      # if yes: 
       +
       +
       +
       +# $1 - Width
       +# $2 - Height
       +# <  - Ratio (f)
       +get_aspect_ratio() {
       +    W=$1 # Width
       +    H=$2 # Height
       +    printf '%f' "$(printf "$FILE_WH" | awk -vTH=$TARGET_H '{ printf("%f", TH*($2/$1)) }')"
       +}
       +
       +# CALCULATE ASPECT RATIO WITH FOR TARGET ROW HEIGHT
       +# $1 - path to image
       +# $2 - target row height
       +# ret - calculated width for target height
       +get_width() {
       +    local FILE="$1";
       +    local TARGET_H="$2";
       +    local FILE_WH="$(identify -format ' %w %h ' "$FILE" | awk '{ print $1" "$2 }')"
       +    printf '%.0f' "$(printf "$FILE_WH" | awk -vTH=$TARGET_H '{ printf("%f", TH*($2/$1)) }')"
       +}
       +
       +get_streched_height() {
       +    printf "$GALLERY_HEIGHT $CURRENT_ROW_WIDTH $GALLERY_WIDTH" \
       +        | awk '{ printf("%f", ($2/$1)*$3) }'
       +}
       +
       +# ADD NEXT IMAGE AND DECIDE
       +# $1 - path to image
       +CURRENT_ROW_WIDTH=0
       +CURRENT_ROW_FILES=""
       +add_image() {
       +    local FILE=$1
       +    local NEXT_W=$(get_width "$FILE" "$GALLERY_ROW_HEIGHT")
       +    # when the next item with is too much for the current row..
       +    if [ $(( $CURRENT_ROW_WIDTH + $NEXT_W )) > $GALLERY_WIDTH ];
       +        # build gallery
       +
       +        # calculate aspect ratio of row_height and all items
       +        # calculate target image height with gallery_width
       +        get_streched_height;
       +        # loop at images and resize to streched height
       +        # resize items
       +        # output souce
       +
       +        # set leftover file as for next iteration
       +        CURRENT_ROW_WIDTH="$NEXT_W"
       +        CURRENT_ROW_FILES="|$FILE"
       +    else
       +        # add more items...
       +        CURRENT_ROW_WIDTH=$(( $CURRENT_ROW_WIDTH + $NEXT_W ))
       +        CURRENT_ROW_FILES="$CURRENT_ROW_FILES|$FILE"
       +    fi
       +
       +
       +}
       +
       +
       +
       +for file in *.*;
       +do
       +    if [ -f "$file" ];
       +    then
       +        case $(printf '%s' ${file##*.} | tr '[:upper:]' '[:lower:]') in
       +            jpg|jpeg|png) 
       +
       +
       +
       +            *) printf '%s\n' "Ignoring: $file" >&2 ;;
       +        esac
       +    fi
       +done
       +
       +
       +
       +
       +
       +
       +## RESCALE AND ADD IMAGE
       +## PARAM 1: original
       +##       2: thumbnail_basename
       +##       3: thumbnail_format (extension)
       +#add_image() {
       +#    local FILE="$1"
       +#    get_width "$1" 300
       +#    local THUMB="$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="$2 }')"
       +#    printf '            %s\n' "<a href=\"$FILE\">"
       +#    printf '                %s\n' "<img $WH src=\"$THUMB.$EXT\">"
       +#    printf '            %s\n' '</a>'
       +#}
       +
       +### MAIN LOOP ##########################################################
       +
       +#for file in *.*;
       +#do
       +#    if [ -f "$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: $file" >&2 ;;
       +#        esac
       +#    fi
       +#done
       +
       +### MAIN LOOP END ######################################################
       +
       +# PRINT FOOTER
       +printf '%s%s\n' \
       +"        </div>
       +$FOOTER
       +    </body>
       +</html>"