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#!/bin/sh |
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# Quick and Dirty PDF Sharing |
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# Converts a PDF to PNGs (using Image Magick) |
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# and spits out HTML+JS to browse them. |
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# By John Resig (ejohn.org) |
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# Distributed under the MIT License |
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# Home: http://ejohn.org/projects/easy-pdf-sharing/ |
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# Input: |
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# ./pdfshare.sh some.pdf |
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# Output: |
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# some/*.png (PDF Images) |
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# some.html (HTML snippet) |
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# some.zip (Zip file of Images + PDF) |
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# Change this line to match your final upload destination |
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PREFIX="http://ejohn.org/files/" |
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# Leave the rest alone |
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PDF=$1 |
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PDFPATH=`echo "${PDF}"|sed s/[^\\\/]*$//` |
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PDFNAME=`echo "${PDF}"|sed s/.pdf$//|sed s/^.*\\\///` |
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PNGDIR=${PDFPATH}${PDFNAME} |
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mkdir -p ${PNGDIR} |
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rm -f ${PNGDIR}/*.png |
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rm -f ${PNGDIR}.zip |
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convert -resize 400x400 ${PDF} ${PNGDIR}/%03d.png &> /dev/null |
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zip -r ${PNGDIR}.zip ${PNGDIR} ${PDF} &> /dev/null |
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NUM=`ls -la ${PNGDIR}/*.png | wc -l` |
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echo "<div id='${PDFNAME}' style='text-align:center;'><a href='${PREFIX}${PDF}'><img src='${PREFIX}${PNGDIR}/000.png'/><br/>Download PDF</a></div>"\ |
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"<script>(function(){ var elem = document.getElementById('${PDFNAME}'), cur=0, max=${NUM}, d='${PREFIX}${PNGDIR}'; elem.innerHTML+=\""\ |
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"<br/><a href='#${PDFNAME}' style='visibility:hidden;'>« Previous</a> <span>1/${NUM}</span> <a href='#${PDFNAME}'>Next »</a>"\ |
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"\"; function pad(){ return cur < 10 ? '00' + cur : cur < 100 ? '0' + cur : '' + cur; }"\ |
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"var a = elem.getElementsByTagName('a'); for(var i=1;i<3;i++){a[i].onclick=function(e){"\ |
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"e=e||window.event; var dir = this.innerHTML.indexOf('Next')>=0?1:-1; cur+=dir;"\ |
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"a[1].style.visibility=(cur==0?'hidden':'visible'); a[2].style.visibility=(cur==max-1?'hidden':'visible');"\ |
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"elem.getElementsByTagName('img')[0].src=d+'/'+pad()+'.png';"\ |
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"elem.getElementsByTagName('span')[0].innerHTML=(cur+1)+'/'+max;"\ |
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"if (e.preventDefault) e.preventDefault(); e.returnValue = false;"\ |
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"};}})();</script>" > ${PNGDIR}.html |
