[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 Christoph Feck changed: What|Removed |Added CC||markus@semantic-mediawiki.o

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 Fest changed: What|Removed |Added CC||fest...@gmail.com -- You are

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 Aleks changed: What|Removed |Added CC||aleksejev.ei...@gmail.com

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 Oskar Kirmis changed: What|Removed |Added CC|

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 Andreas Schneider changed: What|Removed |Added CC||a...@cryptomilk.org

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 --- Comment #29 from LuHe --- I'm going to be working on this as part of my Google Summer of Code 2017 project, more details can be found here: https://summerofcode.withgoogle.com/projects/#4835460277862400 and

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 LuHe changed: What|Removed |Added CC||lukas.hetzenec...@gmail.com

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 Nate Graham changed: What|Removed |Added CC||pointedst...@zoho.com --

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 Giuseppe Ghibò changed: What|Removed |Added CC||gh...@mageia.org ---

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 --- Comment #26 from e.ekme...@gmail.com --- I've found that setting XServer DPI manually fixes these fractional scaling problems. On my 2560x1440 display I use a DPI of 144 (i.e. a scaling factor of 1.5x), which caused problems in regular Qt programs,

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 Tavian Barnes changed: What|Removed |Added CC||taviana...@gmail.com --

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 e.ekme...@gmail.com changed: What|Removed |Added CC||e.ekme...@gmail.com -- You are receiving

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 Simon Andric changed: What|Removed |Added CC||simonandr...@gmail.com

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 icie changed: What|Removed |Added CC||yuxin.ma1...@gmail.com -- You

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 Lukas Schneiderbauer changed: What|Removed |Added CC|

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 ruizh...@gmail.com changed: What|Removed |Added CC||ruizh...@gmail.com -- You are receiving

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 Yichao Yu changed: What|Removed |Added CC||yyc1...@gmail.com -- You are

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 Willie Koomson changed: What|Removed |Added CC|

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 aux...@gmail.com changed: What|Removed |Added CC||aux...@gmail.com -- You are receiving this

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 --- Comment #24 from Michael K. --- Here is the script that I am using (also on Arch Linux): #!/bin/sh unset QT_SCREEN_SCALE_FACTORS unset QT_AUTO_SCREEN_SCALE_FACTOR okular "$*" -- You are receiving this mail because: You are

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 --- Comment #23 from Antoine Poliakov --- Interesting, I have the same version (current arch linux) as Alexey, and QT_SCREEN_SCALE_FACTORS=1 has no visible effect for me. QT_SCREEN_SCALE_FACTORS=1 QT_AUTO_SCREEN_SCALE_FACTOR=1

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 Alexey Shiklomanov changed: What|Removed |Added CC|

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 Christoph Cullmann changed: What|Removed |Added CC||cullm...@kde.org ---

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 evoto...@gmail.com changed: What|Removed |Added CC||evoto...@gmail.com -- You are receiving

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 Steffen Klee changed: What|Removed |Added CC||stkl.m...@gmail.com --

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 Albert Astals Cid changed: What|Removed |Added CC||hots...@gmx.at --- Comment

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 Jieru Mei changed: What|Removed |Added CC||meiji...@gmail.com -- You are

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 --- Comment #19 from Antoine Poliakov --- Not sure if this helps, but Gwenview has the exact same issue, and apparently there's a 5 line patch that fixes is, here: https://bugs.kde.org/show_bug.cgi?id=373178#c1 Since it the same

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 nikol...@kakouros.net changed: What|Removed |Added CC||nikol...@kakouros.net -- You are

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 --- Comment #18 from Michael K. --- Unsetting the above env variables (QT_...) restores old (kdelibs4-based) behavior/rendering. -- You are receiving this mail because: You are watching all bug changes.

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 Michael K. changed: What|Removed |Added CC||kolober...@gmail.com ---

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 Albert Astals Cid changed: What|Removed |Added CC||peter.eszl...@gmail.com ---

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 JR changed: What|Removed |Added CC||zor...@gmail.com -- You are receiving

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 Aleix Pol changed: What|Removed |Added Ever confirmed|0 |1 CC|

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 Antoine Poliakov changed: What|Removed |Added CC||antoine...@gmail.com

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 --- Comment #13 from Yi Yang --- Hi all, I upgraded to Plasma 5.6 today. It seems to be handling hi-res screens in a new way (by handling font DPI better it seems), so that the "scale display" option is no longer needed in most

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 --- Comment #12 from Yi Yang --- Relevant documentations: relevant flags: http://doc.qt.io/qt-5/qt.html QScreen and QPixmap with their new addition in Qt 5.5 or 5.6: http://doc.qt.io/qt-5/qscreen.html

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 --- Comment #11 from Yi Yang --- By reading more documents and doing more experiments, things are now clear. Qt 5.6 introduces a new option, called "High DPI Scaling", which is both controllable form environment variables and

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 Luigi Toscano changed: What|Removed |Added CC|

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 --- Comment #8 from Yi Yang --- OK, I digged the source code a bit more. The DPI calculation code at core/utils.cpp line 63-81 returned (93.6, 93.6), while my actual DPI, as reported by Xorg.log, is (187, 189). Apparently

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 --- Comment #7 from Yi Yang --- OK. I tried KDE Plasma 4 + Kdelibs4/Okular. There were no render resolution problem. That said, there were no "scale display" option in systemsettings in this setup. So this might indeed be the

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 --- Comment #6 from Yi Yang --- Every application is, in principle, independent of the desktop environment I use. However, when I'm reporting a bug, I'm trying to include information about my DE. I think this makes sense. In

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 --- Comment #5 from Albert Astals Cid --- > To be honest, your terminology change from KDE 3 to KDE SC 4 to {Insert a > myriad names here} 5 is absolutely terrible. I have no idea how to even call > it. Call what? Okular? You call it

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 --- Comment #4 from Yi Yang --- Luigi, yes, I am using the Frameworks version of Okular. To be sure this bug is still around I even git pull'ed and compiled it again. So to be precise I'm reporting the newest version of frameworks

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 --- Comment #3 from Yi Yang --- To be honest, your terminology change from KDE 3 to KDE SC 4 to {Insert a myriad names here} 5 is absolutely terrible. I have no idea how to even call it. And, yes, i checked and it is Plasma 5. I

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 Albert Astals Cid changed: What|Removed |Added CC||aa...@kde.org --- Comment

[okular] [Bug 362856] [Frameworks] Wrong render resolution, possibly caused by Plasma 5 "Scale Display"

https://bugs.kde.org/show_bug.cgi?id=362856 Luigi Toscano changed: What|Removed |Added CC|