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#! /usr/bin/env bash # # USAGE # ./colorSepatation.sh input.pdf # # OUTPUT # a directory called `tiffsep` where you have a jpg image per color channel per page rm -r pages 2> /dev/null bn=$(basename ${1} .pdf) # Change resolution here, -r150x150 = 150dpi gs -dSimulateOverprint=true -sDEVICE=tiffsep -dNOPAUSE -dBATCH -r150x150 -sOutputFile=${bn}-page%03d.tif ${1} echo "MOVE TIF FILES INTO '${bn}-plates' FOLDER" mkdir -p ${bn}_plates mv ${bn}*.tif ${bn}_plates cd ${bn}_plates echo "CONVERT TIF TO JPG" for TIF in *.tif; do convert $TIF $(basename $TIF .tif).jpg; done echo "REMOVE TIF FILES" rm *tif echo "MAKE COLOURED PREVIEW" for Cyan in *Cyan*; do magick $Cyan -colorspace Gray +level-colors cyan, $Cyan; done for Magenta in *Magenta*; do magick $Magenta -colorspace Gray +level-colors magenta, $Magenta; done for Yellow in *Yellow*; do magick $Yellow -colorspace Gray +level-colors yellow, $Yellow; done echo "GENERATE HTML PREVIEW PAGE" cat ../colorSeparation_header.html > 00-${bn}-plates.html start=1 end=$(( $(ls | wc -l) /5)) size=$(identify ${bn}-page001.jpg | cut -d " " -f 3) width=$(echo ${size} | cut -d "x" -f 1) height=$(echo ${size} | cut -d "x" -f 2) for i in $(eval echo "{$start..$end}") do page=$(printf "%03u" ${i}) echo "<div id='page${page}' class='page' style='height: ${height}px; width: ${width}px;'>" >> 00-${bn}-plates.html echo " <img class='all' style='height: ${height}px; width: ${width}px;' src='${bn}-page${page}.jpg' />" >> 00-${bn}-plates.html echo " <img class='cyan' style='height: ${height}px; width: ${width}px;' src='${bn}-page${page}(Cyan).jpg' />" >> 00-${bn}-plates.html echo " <img class='magenta' style='height: ${height}px; width: ${width}px;' src='${bn}-page${page}(Magenta).jpg' />" >> 00-${bn}-plates.html echo " <img class='yellow' style='height: ${height}px; width: ${width}px;' src='${bn}-page${page}(Yellow).jpg' />" >> 00-${bn}-plates.html echo " <img class='black' style='height: ${height}px; width: ${width}px;' src='${bn}-page${page}(Black).jpg' />" >> 00-${bn}-plates.html echo "</div>" >> 00-${bn}-plates.html done cat ../colorSeparation_footer.html >> 00-${bn}-plates.html