Datei:Dateigrößen Farbbilder.png

#!/bin/bash

write_file() {
        SIZE=$(stat -c%s "$1")
        SUFFIX=`echo $1 | sed 's/^[^\.]*\.//' | sed 's/\./_/g'`
        WIDTH=`echo "sqrt($SIZE/1024)/100" |bc -l `
        label=${2:-$SUFFIX}
        echo -e "   \"$label\"\t$SIZE" >> $$.txt
}

FILE=$$
CUT="-left 927 -top 2439 -width 183 -height 49"

echo "#proc getdata" > $$.txt
echo "data:">> $$.txt

convert "$1" $$.ppm
write_file $$.ppm

ppmtopgm $$.ppm > $$.pgm
write_file $$.pgm

pnmtotiff -truecolor $$.ppm > $$.tiff
write_file $$.tiff

# ======= JPEG ========
cjpeg -quality 100 $$.ppm > $$.j100.jpeg
cjpeg -quality  97 $$.ppm > $$.j097.jpeg
cjpeg -quality  90 $$.ppm > $$.j090.jpeg
djpeg $$.j100.jpeg > $$.j100.jpeg.ppm
djpeg $$.j090.jpeg > $$.j090.jpeg.ppm
djpeg $$.j097.jpeg > $$.j097.jpeg.ppm
write_file $$.j100.jpeg "jpeg 100%"
write_file $$.j097.jpeg "jpeg 97%"
write_file $$.j090.jpeg "jpeg 90%"

# ======= JPEG-2000 =======
image_to_j2k -i $$.ppm -o $$.jp2
image_to_j2k -i $$.pgm -o $$.gray.jp2
image_to_j2k -r 10 -i $$.ppm -o $$.r10.jp2
j2k_to_image -i $$.r10.jp2 -o $$.r10.jp2.ppm
write_file $$.jp2 "jpeg2000"
write_file $$.gray.jp2 "jpeg2000 grau"
write_file $$.r10.jp2 "jpeg2000 10x"

# ======= DJVU =======
c44 $$.ppm $$.djvu
c44 $$.pgm $$.gray.djvu
c44 -slice 74+13+10 $$.ppm $$.s74_13_10.djvu
c44 -slice 72+11+10+10 $$.ppm  $$.s72_11_10_10.djvu
ddjvu -1 $$.djvu > $$.djvu.ppm
ddjvu -1 $$.gray.djvu > $$.gray.djvu.ppm
ddjvu -1 $$.s74_13_10.djvu > $$.s74_13_10.djvu.ppm  
ddjvu -1 $$.s74_13_10.djvu > $$.s72_11_10_10.djvu.ppm
write_file $$.djvu
write_file $$.gray.djvu "djvu grau"
write_file $$.s74_13_10.djvu  "djvu 74+13+10"
write_file $$.s72_11_10_10.djvu "djvu 72+11+10+10"

for p in $$*.ppm; do 
        cat $p | pnmcut $CUT | pnmscale 5 | pnmtopng > `basename $p .ppm`-cut.png
done
mkdir cut
mv *-cut.png cut/

echo "#proc areadef
  rectangle: 1 1 3 7.5
  yrange: 0 15
  xrange: 0 14000000


#proc bars
  horizontalbars: yes
  color: rgb(1,1,0.0)
  lenfield: 2
  barwidth: 0.15
  labeldetails: adjust=0,-0.03 color=rgb(0,0.5,0.8)
  colorlist:  2 rgb(0.5,0.5,0.5), 8 rgb(0.5,0.5,0.5), 1 rgb(0,0.8,0), 3 rgb(0,0.8,0), 7 rgb(0,0.8,0), 11 rgb(0.5,0.5,0.5)
  showvalues: yes
        
#proc yaxis:
  stubs: datafields 1
  tics: none
  axisline: none
  stubdetails: align=L  adjust=0.17,0.15" >> $$.txt
  
ploticus -o size.png -png $$.txt