Questions tagged [dpi]
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33 questions
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2
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What's the proper way to specify the image resolution of a scanned and postprocessed PNG file in its metadata?
What's the proper way to specify the image resolution of a scanned and postprocessed PNG file in its metadata?
We currently use this command:
$ exiftool -o outfile.png \
-Title="Title ...
- 1
1
vote
0
answers
173
views
Two monitors with same resolution but very different DPI
I am using Manjaro on a Lenovo P51. The internal monitor is 1080p and so is the external. However, the internal is 144 dpi and the external 70 dpi.
I run KDE and global scaling is set to 150% which ...
- 155
0
votes
1
answer
263
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Canon printer driver: low DPI
My printer (Canon G7050) can print up to 4800 x 1200 dpi. However, the linux driver I got from Canon is set to 600 dpi only:
*OpenUI *Resolution/Output Resolution: PickOne
*de.Translation Resolution/...
- 45
3
votes
0
answers
2k
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Gnome + i3wm on a 4K display - ruined my DPI scaling in Gnome
I have an issue with the user interface scaling under Gnome 3.38. I am using it only on the internal display of a Dell XPS 15 inch laptop with a 2160p 4K display. Nvidia dGPU with proprietary driver. ...
- 31
1
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1
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2k
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How to scale down PDF file (in pixels and in cm)?
I need to automatically convert my pupils' solutions which are photos and scans of various orientations, resolution, quality and file format into a single PDF with fitting dimensions.
The dimensions ...
- 119
5
votes
1
answer
320
views
X Logical Font Description and HiDPI
The problem: X-server serves fonts at a fixed resolution of 100dpi, rather than the current window system resolution (xdpyinfo | grep -F resolution).
A bit of theory. There are legacy server-side ...
- 280
1
vote
1
answer
2k
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How to reload font file configuration in KDE5 plasma
I'm trying to set font config in file ~/.config/kcmfonts
cat > ~/.config/kcmfonts <<EOF
[General]
forceFontDPI=216
EOF
Then restart plasmashell and kwin_x11
plasmashell --replace &>/...
- 111
4
votes
2
answers
4k
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Is X DPI (dot per inch) setting just meant for text scaling?
On Linux the DPI (dot per inch) is set to 96 per default, it can be changed globally on the X start up parameter for instance X -dpi 120
This seem to mainly impact text/font scaling. In comparison ...
- 15.1k
2
votes
1
answer
1k
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How to determine what entity changes Xorg DPI settings?
I've installed Xubuntu 19.04, and to account for my laptop's screen resolution, in /etc/lightdm/lightdm.conf I've added the line
xserver-command=X -dpi 166
The result is that XFCE panel, terminal and ...
- 3,430
2
votes
0
answers
280
views
Force Firefoxe's chrome change font size when DPI changes
I sometimes need to switch between displays of vastly different DPIs.
For that, I change the X database using xfconf, a part of Xfce, like so:
xfconf-query -c xsettings -p /Xft/DPI -s 144 # or 96, ...
- 1,681
1
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1
answer
2k
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urxvt not picking up the correct DPI
I'm running Manjaro Gnome on a HiDPI display. Most things work fine but some programs like urxvt or rofi don't seem to pick up the correct system-wide DPI settings and look very TINY. I thought I ...
- 131
0
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0
answers
257
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How do I change the DPI of only one application, "/usr/bin/wps"?
How do I change the DPI of only one application: "/usr/bin/wps"?
On this page, I found the following script but don't know which part(s) should be replaced with "/usr/bin/wps".
#!/usr/bin/bash ...
- 477
3
votes
1
answer
2k
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Convert scanned image to PDF with fixed DPI
Imagine I have a bunch of JPEG files that I have scanned using a known resolution (300 dpi in this case). However the JPEG file has some additional margin at the border because the scanner's area is ...
- 31
5
votes
1
answer
4k
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Change xfce4-settings:appearance (dpi scaling) options via terminal
I want to set the dpi scaling in xfce4-settings:appearance via bash script, so that I can bind it to a key shortcut. In the official docs I can only find the method to change it via GUI. Is there a ...
- 153
6
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0
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3k
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KDE Plasma: GTK fonts too large after update
I've just updated Arch Linux with KDE to Plasma 5.12.5 (I forgot to check which version I had before, but the last update I did was about a month ago) and I noticed the fonts in GTK applications are ...
- 465