I am writing a presentation in Beamer, and I am compiling using XeLaTeX. Some PDF images I include in my presentation have a weird behaviour: they show up correctly in Mac OS's Preview application, however they don't display on Adobe Reader.

Is there a way of solving this problem? Researching for a solution I saw that people solved this by forcing a specific PDF version. However I am not able to do that in XeLaTeX.

Actually I don't need the images to be included as vectorial graphics, a method to tell LaTeX to include them as raster would also be perfect.

Thanks in advance!

  • 1
    The quickest fix is then: Reader -> File -> Export… and render it as a .png file or similar. For more thorough problem solving, can you provide a pdf file where that error appears? – Huang_d Jun 12 '17 at 7:32
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    Thanks for your comment! I found a solution which I posted below, it was some obscure incompatibility due to the fact that Mac OS X Quartz PDFContext apparently generates non-standard-compliant PDF files... Please see below if you are curious. – zakk Jun 12 '17 at 8:24

I found a solution. The problem was quite obscure, but maybe some will find it useful, so I am writing it here.

The .pdf images I was including were generated by an application which is using the default Mac OS PDF engine. Apparently it is generating non-compliant PDF 1.7 files. At least that's Ghostscript output when I try to process those PDFs:

**** This file had errors that were repaired or ignored.
**** The file was produced by:
**** >>>> Mac OS X 10.11.6 Quartz PDFContext <<<<
**** Please notify the author of the software that produced this
**** file that it does not conform to Adobe's published PDF
**** specification.

The solution is: converting the PDF images to PDF 1.4 using the following command line

gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -o output.pdf input.pdf

Then ignore Ghostscript error message, and finally use the new "normalized" PDF 1.4 files in your LaTeX document.

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