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PDF exporting of Writer 6.1.0 blurs embedded PDF images

asked 2018-09-06 10:18:09 +0100

wdscxsj gravatar image

updated 2018-09-15 11:03:28 +0100

It seems that the embedded PDF images are converted to JPEG by Writer 6.1.0. 6.0.6 works fine. My OS is Windows 10.

Update 1: After some investigation, I guess it's the way v6.1.0 saves a .odt file that contains PDF images.

  1. Create a document in Writer, insert a PDF into it, and save it as "saved_by_6.1.0.odt".
  2. Try to export it to PDF. This hangs Writer on my machine.
  3. Open "saved_by_6.1.0.odt" with v6.0.6 on another machine, and save it as "resaved_by_6.0.6.odt".
  4. Try to export it to PDF. This works flawlessly with both v6.0.6 and v6.1.0.

Hope this can help track down the bug. I really like the fresh new look of v6.1.0.

Update 2: Turns out that v6.1.1 has fixed this problem.

  • If the document contains a v1.4 PDF image, the generated PDF is perfect. Since v6.0.6 works all OK, I think this is a regression in the code of down-converting v1.5+ PDF to v1.4 using pdfium.
  • If the document contains a v1.5 PDF image, the generated PDF is corrupted (Acrobat saying: Critical parser failure: Extended graphic state resource missing).
  • If the document contains a v1.5 PDF image and we export it to PDF with reference XObjects enabled, the generated PDF is valid but with a blurred (raster) image. I think this is another regression.

Changing the PDF version is boring, but at least a way out. :)

Updated 3: Filed a bug report here:

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2 Answers

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answered 2018-09-06 10:23:26 +0100

RGB-es gravatar image

While the use of PDF files as images is getting better, it's still suboptimal. I recommend you to convert the PDF file into SVG before using it. You can use Inkscape for that (in Linux you also have pdf2svg, but I don't know if it's available on Windows).

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answered 2018-09-06 14:24:22 +0100

The PDF export obeys the settings accessible using FileExport AsExport as PDF..., where you can decide how to export images (General tab).

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Asked: 2018-09-06 10:18:09 +0100

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Last updated: Sep 15 '18