<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=Windows-1252"> <style type="text/css" style="display:none;"> P {margin-top:0;margin-bottom:0;} </style> </head> <body dir="ltr"> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Thanks for the information.</div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> >provided that you are following the rules for text extraction in ISO 32000 (PDF standard) vs. doing something like “grep”.</div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> I am using poppler (directly with pdftotext and indirectly with atril and okular).</div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> The original PDF has sequences like the one below for each font.</div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Those Unicode CMaps can't be passed in postscript, so do I permanently lose useful text extraction when I convert this PDF to postscript with pdftops?</div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <span>/CIDInit /ProcSet findresource begin<br> </span> <div>12 dict begin<br> </div> <div>begincmap<br> </div> <div>/CIDSystemInfo <</Registry (Berkeley-Black-OV-BHQHLP) /Ordering (CIDUCS) /Supplement 0 >> def<br> </div> <div>/CMapName /Berkeley-Black-OV-BHQHLP def<br> </div> <div>/CMapType 2 def<br> </div> <div>1 begincodespacerange<br> </div> <div><0000> <FFFF><br> </div> <div>endcodespacerange<br> </div> <div>2 beginbfchar<br> </div> <div><0001> <0066><br> </div> <div><0002> <006F><br> </div> <div>endbfchar<br> </div> <div>endcmap CMapName currentdict /CMap defineresource pop end end<br> </div> <span></span><br> </div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> William</div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div> <hr tabindex="-1" style="display:inline-block; width:98%"> <div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> Leonard Rosenthol <lrosenth@adobe.com><br> <b>Sent:</b> Wednesday, July 1, 2020 10:43 AM<br> <b>To:</b> William Bader <williambader@hotmail.com>; poppler@lists.freedesktop.org <poppler@lists.freedesktop.org><br> <b>Subject:</b> Re: [poppler] pdftops font subset question</font> <div> </div> </div> <div lang="EN-US"> <div class="x_WordSection1"> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> Subsetting of a font has *<b>ZERO</b>* impact on the ability to extract text from a PDF…provided that you are following the rules for text extraction in ISO 32000 (PDF standard) vs. doing something like “grep”.</p> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> </p> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> Leonard</p> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> </p> <div style="border:none; border-top:solid #B5C4DF 1.0pt; padding:3.0pt 0in 0in 0in"> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <b><span style="font-size:12.0pt; color:black">From: </span></b><span style="font-size:12.0pt; color:black">poppler <poppler-bounces@lists.freedesktop.org> on behalf of William Bader <williambader@hotmail.com><br> <b>Date: </b>Wednesday, July 1, 2020 at 2:18 AM<br> <b>To: </b>"poppler@lists.freedesktop.org" <poppler@lists.freedesktop.org><br> <b>Subject: </b>[poppler] pdftops font subset question</span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> </p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; color:black">Is there any way to prevent pdftops from subsetting fonts? I want to be able to convert the ps back to a PDF and still be able to extract text with pdftotext.</span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; color:black"> </span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; color:black">I have a large single page PDF. When I drag to copy text in atril or okular or run pdftotext, it finds the text.</span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; color:black">pdffonts shows about 40 fonts. They are all similar:</span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; font-family:"Courier New"; color:black">name type encoding emb sub uni object ID</span><span style="font-size:12.0pt; color:black"></span></p> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; font-family:"Courier New"; color:black">------------------------------------ ----------------- ---------------- --- --- --- ---------</span><span style="font-size:12.0pt; color:black"></span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; font-family:"Courier New"; color:black">HelveticaNeueLTStd-Roman--Identity-H CID Type 0C Identity-H yes no yes 214 0</span><span style="font-size:12.0pt; color:black"></span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; font-family:"Courier New"; color:black">HelveticaNeueLTStd-BdIt--Identity-H CID Type 0C Identity-H yes no yes 236 0</span><span style="font-size:12.0pt; color:black"></span></p> </div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; font-family:"Courier New"; color:black">...</span><span style="font-size:12.0pt; color:black"></span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; font-family:"Courier New"; color:black">HelveticaLTStd-Bold--Identity-H CID Type 0C Identity-H yes no yes 70 0</span><span style="font-size:12.0pt; color:black"></span></p> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; font-family:"Courier New"; color:black">Berkeley-Bold--Identity-H CID Type 0C Identity-H yes no yes 60 0</span><span style="font-size:12.0pt; color:black"></span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; color:black"> </span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; font-family:"Courier New"; color:black">pdfinfo shows</span><span style="font-size:12.0pt; color:black"></span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; font-family:"Courier New"; color:black">ModDate: Fri Jun 26 21:27:37 2020 WEST</span></p> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; font-family:"Courier New"; color:black">Tagged: no</span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; font-family:"Courier New"; color:black">UserProperties: no</span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; font-family:"Courier New"; color:black">Suspects: no</span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; font-family:"Courier New"; color:black">Form: none</span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; font-family:"Courier New"; color:black">JavaScript: no</span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; font-family:"Courier New"; color:black">Pages: 1</span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; font-family:"Courier New"; color:black">Encrypted: no</span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; font-family:"Courier New"; color:black">Page size: 702 x 1296 pts</span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; font-family:"Courier New"; color:black">Page rot: 0</span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; font-family:"Courier New"; color:black">File size: 13501736 bytes</span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; font-family:"Courier New"; color:black">Optimized: no</span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; font-family:"Courier New"; color:black">PDF version: 1.6</span></p> </div> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; color:black"> </span></p> </div> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; color:black">When I run the PDF through pdftops, it subsets the fonts, and then when I convert it back into a PDF with ghostscript ps2pdf, the text shows, but copying it or running pdftotext does not work.</span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; color:black"> </span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; color:black">The end of the generated ps is</span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; color:black">%%+ font BHQHNF+MinionPro-Regular</span></p> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; color:black">%%+ font BHQHNG+Berkeley-Book</span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; color:black">%%+ font BHQHNH+HelveticaLTStd-Bold</span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; color:black">%%+ font BHQHNI+Berkeley-Bold</span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; color:black">%%EOF</span></p> </div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; color:black">so it looks like pdftops is subsetting the fonts.</span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; color:black"> </span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; color:black">"grep Berkeley-Bold", for example, shows</span></p> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; color:black">%%BeginResource: font BHQHNI+Berkeley-Bold</span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; color:black">/CIDFontName /BHQHNI+Berkeley-Bold def</span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; color:black">/F60_0 /BHQHNI+Berkeley-Bold 0 pdfMakeFont16L3</span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; color:black">%%+ font BHQHNI+Berkeley-Bold</span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; color:black"> </span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; color:black">"grep -A 1 ' Tc$' x.ps | grep '(' | head" also appears to show that the fonts have been subsetted.</span></p> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; color:black">(\000\025\000\014)</span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; color:black">(\000\015\000\024)</span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; color:black">(\000\001\000*)</span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; color:black">(\000\002\000\003\000\012)</span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; color:black">(\000\006\000\015)</span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; color:black">(\000\014\000\017\000\005\000\007)</span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; color:black">(\000\033\000\031)</span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; color:black">(\000\013\000"\000"\000\026\000\022)</span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; color:black">(\000\012\000\004)</span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; color:black">(\000\024\000\023\000\017\000\001)</span></p> </div> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; color:black"> </span></p> </div> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; color:black">In testing, I also noticed that some pdftops options like -level3 generate ps files that crash ghostscript, but for now I think that is a ghostscript issue. <a href="https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fbugs.ghostscript.com%2Fshow_bug.cgi%3Fid%3D702526&data=02%7C01%7Clrosenth%40adobe.com%7C62b37e7241c34165c04008d81d868ffb%7Cfa7b1b5a7b34438794aed2c178decee1%7C0%7C0%7C637291811063868341&sdata=ECAy%2BgQSc3Apfa5IvH6JiSjYNFqSPYzG6F3tTBZRLVw%3D&reserved=0">https://bugs.ghostscript.com/show_bug.cgi?id=702526</a></span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; color:black"> </span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; color:black">The ghostscript bug report has a copy of the PDF.</span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; color:black"> </span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; color:black">I can post this as a poppler bug report, but I wanted to check first that I didn't miss a pdftops option or that there wasn't an internal flag that I could expose as an option in pdftops.</span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; color:black"> </span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; color:black">William</span></p> </div> <div> <p class="x_MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"> <span style="font-size:12.0pt; color:black"> </span></p> </div> </div> </div> </div> </body> </html>