various stuff
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1 changed files with 83 additions and 24 deletions
97
cdscript.sh
97
cdscript.sh
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@ -13,11 +13,11 @@
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# TODO:
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# - !!! Add support for back insert !!!
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# - Remove bugs
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# - Add more paper types
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# - Make DPI a command line option
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# - Add more paper types DONE
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# - Make DPI a command line option DONE
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# - Add different folding points for inserts
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# - Clean up code and add more comments
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# - Improve input and output further
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# - Improve input and output further DONE
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# usage message
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@ -28,22 +28,28 @@ USAGE="Usage: $0 -p <paper> -c <cover> -b <back> [-i <back_image>] [-m <border>]
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HELP="Script to create printable CD jewel case inserts
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Usage:
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$0 -p <paper> -c <cover> -b <back> [-i <back_image>] [-m <border>] -o <output>
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$0 -p <paper> -c <cover> -b <back> [-i <back_image>] [-m <border>] [-d DPI] -o <output>
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Required options:
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-p Paper format a4 | letter
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-p Paper format a4 | letter | legal
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-c Album cover path Path to cover image
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-b Back type no | image
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-o Output file Path to save the resulting insert (NO PNG)
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Optional options:
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-i Back image path Required if back type is 'image'
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-m Border width (px) Adds a border around the cover/back
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-d DPI Desired DPI of the output
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DO NOT USE PNG FOR OUTPUT
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"
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# default DPI
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DPI="300"
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# error function
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error() {
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echo -e "Error: $1" >&2
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@ -68,8 +74,16 @@ check_output_file() {
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}
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# number check
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check_dpi() {
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if ! [[ "$var" =~ ^[1-9][0-9]*$ ]]; then
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error "DPI is not a valid number"
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fi
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}
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# getops argument handling
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while getopts "hp:c:b:i:m:o:" o; do
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while getopts "hp:c:b:i:m:o:d:" o; do
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case "${o}" in
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h)
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echo -e "$HELP"
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@ -107,6 +121,11 @@ while getopts "hp:c:b:i:m:o:" o; do
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check_output_file "$OPTARG"
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OUTPUT="$OPTARG"
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;;
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d)
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check_dpi "$OPTARG"
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DPI="$OPTARG"
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;;
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*)
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echo -e "$USAGE"
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exit 1
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@ -127,10 +146,6 @@ done
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CONVERT() { awk -v mm="$1" -v dpi="$2" 'BEGIN{printf("%d", mm/25.4*dpi + 0.5)}'; }
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# DPI of paper
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DPI="300"
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# cover art size (mm)
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CO_MM="120"
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CO_PX="$(CONVERT "$CO_MM" "$DPI")"
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@ -143,10 +158,14 @@ A4MM_H="297"
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LTMM_W="216"
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LTMM_H="279"
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LGMM_W="216"
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LGMM_H="279"
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# same values in pixels
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A4PX="$(CONVERT "$A4MM_W" "$DPI")x$(CONVERT "$A4MM_H" "$DPI")"
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LTPX="$(CONVERT "$LTMM_W" "$DPI")x$(CONVERT "$LTMM_H" "$DPI")"
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LGPX="$(CONVERT "$LGMM_W" "$DPI")x$(CONVERT "$LGMM_H" "$DPI")"
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# assign to the 'size' variable the right value
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@ -154,9 +173,8 @@ if [ "$PAPER" = "a4" ]; then
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SIZE=$A4PX
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elif [ "$PAPER" = "letter" ]; then
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SIZE=$LTPX
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else
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echo "what the fuck did you do"
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exit
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elif [ "$PAPER" = "legal" ]; then
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SIZE=$LGPX
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fi
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@ -168,16 +186,57 @@ magick -colorspace sRGB -type TrueColor -depth 8 -size $SIZE canvas:white "$OUTP
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if [ "$BORDER" = "TRUE" ]; then
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INSET=$((BORDER_WIDTH / 2))
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magick ""$OUTPUT"" \( -size $((CO_PX + 2 * BORDER_WIDTH))x$((CO_PX * 2 + 2 * BORDER_WIDTH)) xc:none -colorspace sRGB -type TrueColor -depth 8 -fill none -stroke black -strokewidth $BORDER_WIDTH -draw "rectangle $INSET,$INSET $((CO_PX + BORDER_WIDTH - 1)),$((CO_PX * 2 + BORDER_WIDTH - 1))" \) -gravity center -composite ""$OUTPUT""
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fi
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# add the cover art set to the right size, rotated left by 90d and shifted up by (cover art size) / 2
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magick -colorspace sRGB -type TrueColor -depth 8 "$OUTPUT" \( "$COVER" -resize ${CO_PX}x${CO_PX} -rotate 270 \) -gravity center -geometry +0-$((CO_PX/2)) -composite "$OUTPUT" > /dev/null
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# adds the cover
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magick \
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-colorspace sRGB\
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-type TrueColor \
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-depth 8 \
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"$OUTPUT" \
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\( "$COVER" \
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-resize ${CO_PX}x${CO_PX} \
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-rotate 270 \) \
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-gravity center \
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-geometry +0-$((CO_PX/2)) \
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-composite \
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"$OUTPUT" \
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> /dev/null
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# adds back
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if [ "$BACKTYPE" = "image" ]; then
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magick -colorspace sRGB -type TrueColor -depth 8 "$OUTPUT" \( "$BACKIMG" -resize ${CO_PX}x${CO_PX} -rotate 270 \) -gravity center -geometry +0+$((CO_PX/2)) -composite "$OUTPUT" > /dev/null
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else
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magick -colorspace sRGB -type TrueColor -depth 8 "$OUTPUT" \( -size ${CO_PX}x${CO_PX} xc:'#FFFFFF' \) -gravity center -geometry +0+$((CO_PX/2)) -composite "$OUTPUT" > /dev/null
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if [ "$BACKTYPE" = "image" ]; then # if the back is an image
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# adds image
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magick \
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-colorspace sRGB \
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-type TrueColor \
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-depth 8 \
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"$OUTPUT" \
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\( "$BACKIMG" \
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-resize ${CO_PX}x${CO_PX} \
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-rotate 270 \) \
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-gravity center \
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-geometry +0+$((CO_PX/2)) \
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-composite \
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"$OUTPUT" \
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> /dev/null
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else # if the back is not an image
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# adds white square
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magick \
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-colorspace sRGB \
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-type TrueColor \
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-depth 8 \
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"$OUTPUT" \
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\( -size ${CO_PX}x${CO_PX} \
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xc:'#FFFFFF' \) \
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-gravity center \
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-geometry +0+$((CO_PX/2)) \
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-composite "$OUTPUT"\
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> /dev/null
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fi
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