Update cdscript.sh

cdscript.sh

@@ -11,73 +11,146 @@
 # ░ ░         ░             ░  ░ ░         ░      ░                    
 # ░         ░                  ░                                       
 #
-#               script to make cd jewerl case inserts easily
+#               script to make cd jewel case inserts easily
 #               by sun                   https://sx7n8.tech/
 #
 #               dependencies are:
-#               imagemagick 
+#               imagemagick, bash
 
 # TODO: add super jewel box and "digipack"
+# TODO: make code good
 
 
-# temp directory where images get created before stitching them
+# general info 
-TMP=/tmp 
+EXT="jpg" # DO NOT CHANGE THIS TO PNG
+TMP="/tmp"
+NAME=work."$EXT" 
+COVER="meow"
+rm -f "$TMP"/"$NAME"
 
 
 # message that gets printed if theres missing or unexistant arguments
-USAGE="Usage: $0 [OPTIONS] [OUTPUT]\nTry '$0 -h' for more information" 
+USAGE="Usage: $0 -p <paper> -c <cover> [OPTIONS] [OUTPUT]\nTry '$0 -h' for more information" 
 
 
 # help message
-HELP="
+HELP="Script to create printable CD jewel case inserts. 
-$0: Script to create printable CD jewel case inserts. Uses imagemagick.\n
+Options:
-Options:\n
+
--h: shows this message and exits\n
+ flags                                           extra options
--p: sets paper format. options are 'a4' and 'letter'"
+ -------------------------------------------------------------
+ -h: shows this message and exits                         none
+ -p: sets paper format. (necessary)                  a4|letter
+ -c: sets the album cover path. (necessary)             <path>
+ -b: sets the back info. (necessary)                  no|image
+ -i: sets the back image (nec. if b = image)            <path>
+ -m: sets a border around everything,                width(px)
+"
+
+###########################################
+### TODO: make the code and io not suck ###
+###########################################
+
+# getops argument handling
+while getopts "hp:c:b:i:m:" o; do
+    case "${o}" in
+        h)
+         echo -e "$HELP"
+         exit
+        ;;
+
+	    p)
+	     if [[ "$OPTARG" = "a4" || "$OPTARG" = "letter" ]]; then 
+	      PAPER="$OPTARG"
+	     else 
+          echo "Invalid paper type. Run '$0 -h' for info."
+	     exit 1
+	     fi
+	    ;;
 
+        c)
+         if [ -f "$OPTARG" ]; then
+          COVER="$OPTARG"
+          COVERSIZE="$(identify -format "%w" "$COVER")"
+         else 
+          echo "Invalid file. Run '$0 -h' for info."
+          exit 1
+         fi 
+        ;;
+
+        b)
+         if [[ "$OPTARG" = "no" || "$OPTARG" = "image" ]]; then
+          BACKTYPE=$OPTARG
+         else
+          echo "Invalid back type. Run '$0 -h' for info."
+	      exit 1
+         fi
+        ;;
+
+        i)
+        if [[ "$BACKTYPE" = "image" ]]; then
+          BACKIMG=$OPTARG
+         else
+          echo "Invalid back type. Run '$0 -h' for info."
+	      exit 1
+         fi
+         if [ -f "$OPTARG" ]; then
+          :
+         else
+          echo "Invalid file. Run '$0 -h' for info."
+          exit 1
+         fi
+        ;;
+
+        m)
+         BORDER="TRUE"
+         BORDER_WIDTH="$OPTARG"
+        ;;
 
-# print the usage message if there are no arguments
+        *)
-if [ $# -eq 0 ]; then
+         echo -e "$USAGE"
-    echo -e $USAGE
+         exit
+        ;;
+    esac
+done
+
+
+# print the usage message if there aren't enough arguments
+if [ $# -lt 6 ]; then
+    echo -e "$USAGE"
+    exit
 fi
 
 
-# DPIl; Width and Height in mm
+# function to convert mm to px with dpi
+CONVERT() { awk -v mm="$1" -v dpi="$2" 'BEGIN{printf("%d", mm/25.4*dpi + 0.5)}'; }
+
+
+# DPI of paper
+DPI="300"
+
+
+# cover art size (mm)
+CO_MM="120"
+CO_PX="$(CONVERT "$CO_MM" "$DPI")"
+
+
+# Width and Height of paper in mm
 A4MM_W="210"
 A4MM_H="297"
 LTMM_W="216"
 LTMM_H="279"
-DPI='300'
 
-# function to convert mm to px with dpi
-CONVERT() { awk -v mm="$1" -v dpi="$2" 'BEGIN{printf("%d", mm/25.4*dpi + 0.5)}'; }
 
-# 
+# same values in pixels
 A4PX="$(CONVERT "$A4MM_W" "$DPI")x$(CONVERT "$A4MM_H" "$DPI")"
 LTPX="$(CONVERT "$LTMM_W" "$DPI")x$(CONVERT "$LTMM_H" "$DPI")"
 
 
-# command line option handling
-while getopts ":p:h" o; do
-    case "${o}" in
-        h)
-            echo -e $HELP
-	    exit
-            ;;
-	p)
-	    PAPER="$OPTARG"
-	    ;;
-        *)
-            echo -e $USAGE
-            ;;
-    esac
-done
-
-
 # assign to the 'size' variable the right value
 if [ "$PAPER" = "a4" ]; then
     SIZE=$A4PX
-elif [ "$PAPER" = "letter" ]; then
+elif [ "$PAPER" = "letter" ]; then  
     SIZE=$LTPX
 else 
     echo "what the fuck did you do"
@@ -85,5 +158,32 @@ else
 fi
 
 
+# failsafe
+# if [ "$COVER" = "meow" ]; 
+#     echo -e "$USAGE"
+# fi
+
+
 # create a blank file with the specified paper type
-magick -size $SIZE canvas:white $TMP/front.png
+magick -colorspace sRGB -type TrueColor -depth 8 -size $SIZE canvas:white "$TMP"/"$NAME" > /dev/null
+
+
+# draws border (rectangle)
+if [ "$BORDER" = "TRUE" ]; then
+INSET=$((BORDER_WIDTH / 2))
+magick "$TMP/$NAME" \( -size $((CO_PX + 2 * BORDER_WIDTH))x$((CO_PX * 2 + 2 * BORDER_WIDTH)) xc:none -colorspace sRGB -type TrueColor -depth 8 -fill none -stroke black -strokewidth $BORDER_WIDTH -draw "rectangle $INSET,$INSET $((CO_PX + BORDER_WIDTH - 1)),$((CO_PX * 2 + BORDER_WIDTH - 1))" \) -gravity center -composite "$TMP/$NAME"
+fi
+
+
+# add the cover art set to the right size, rotated left by 90d and shifted up by (cover art size) / 2
+# TODO: change rotation to a variable to allow different folding points via argument
+# TODO: make command multi-line for readibility
+magick -colorspace sRGB -type TrueColor -depth 8 "$TMP"/"$NAME" \( "$COVER" -resize ${CO_PX}x${CO_PX} -rotate 270 \) -gravity center -geometry +0-$((CO_PX/2)) -composite "$TMP"/"$NAME" > /dev/null
+
+
+# adds back
+if [ "$BACKTYPE" = "image" ]; then
+magick -colorspace sRGB -type TrueColor -depth 8 "$TMP"/"$NAME" \( "$BACKIMG" -resize ${CO_PX}x${CO_PX} -rotate 270 \) -gravity center -geometry +0+$((CO_PX/2)) -composite "$TMP"/"$NAME" > /dev/null
+else
+:
+fi