Created attachment 130589 [details] original slide and generated broken pdf LibreOffice 4.4 (and 5.1) generates a broken PDF for the attached pptx file. Opening the PDF in Acrobat results in "There was an error processing a page. There was a problem reading this document (109)."
i can open the attached document with evince and firefox under linux. Probably it's only reproducible with Adobe? Anyway, it seems you're using an old version of LibreOffice. Could you please try to reproduce it with the latest version of LibreOffice from https://www.libreoffice.org/download/libreoffice-fresh/ ? I have set the bug's status to 'NEEDINFO'. Please change it back to 'UNCONFIRMED' if the bug is still present in the latest version.
I tried it with latest version of LibreOffice ( 5.3.0.3) and still the same problem. Yes it only happens with Adobe Acrobat Reader. It is file in firefox, ...
it is *fine in firefox.
Confirmed in Version: 5.4.0.0.alpha0+ Build ID: a25b1ff25a3be97d688d66b12353b4217fd239a5 CPU Threads: 4; OS Version: Linux 4.8; UI Render: default; VCL: gtk2; Locale: ca-ES (ca_ES.UTF-8); Calc: group and Chrome 46.0.2490.80
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Version: 6.3.0.0.alpha0+ (x64) Build ID: 0f25a3c36f27fd51453b9a9115f236b83c143684 CPU threads: 4; OS: Windows 10.0; UI render: GL; VCL: win; TinderBox: Win-x86_64@42, Branch:master, Time: 2018-11-27_20:06:55 Locale: zh-TW (zh_TW); UI-Language: en-US Calc: threaded Still exists in version 6.3.0.0.alpha0+ (x64) The generated broken pdf cannot be opened in Chrome/Acrobat Reader/PDF-XChange Editor/Firefox. I tried to export the original slide as another PDF in version 6.3.0.0.alpha0+ (x64) again, and the problem still exists.
Reproduced with attached PDF and with LO 6.4.0.1. but not with master LO 70+ exported PDF.
Fixed in 7.0 with: Linux commit 2a24d32dc0c13567943950d0b74eeaa23f707eb3 Date: Mon Jan 20 23:17:39 2020 +0100 source sha:b894ec7fadb8ca6bf0b33fa9eee4b9303e8161d pre 77bba5b6b9f12fc0970918f5073c52775a48603c author Miklos Vajna <vmiklos@collabora.com> Mon Jan 20 2020 PDF export: skip pointless downsampling for very small images Regression from commit b6588bd7c831ce88a29131ca7ea8d3f3e082564e (Reduce image resolution by default in PDF Export, 2014-03-02) the problem is that in case you have small enough bitmaps, then these used to look OK at reasonable zoom levels, but now we intentionally scale down bitmaps by default. That makes little sense for tiny images, do this only for large ones.