How to get screen DPI (linux,mac) programatically?

linux macos screen dpi
k3a picture k3a · Apr 12, 2010 · Viewed 10.6k times · Source

I need to know active screen DPI on Linux and Mac OS. I think on linux xlib might be useful, but I can't find a way how to get currect DPI. I want this information to get real screen size in inches.

Thanks in advance!

Answer

uli picture uli · Jun 17, 2011

On a mac, use CGDisplayScreenSize to get the screen size in millimeters.

Related questions

How to run a shell script on a Unix console or Mac terminal?

I know it, forget it and relearn it again. Time to write it down.

Read More
Pipe to/from the clipboard in Bash script

Is it possible to pipe to/from the clipboard in Bash? Whether it is piping to/from a device handle or using an auxiliary application, I can't find anything. For example, if /dev/clip was a device linking to the …

Read More
What languages are Windows, Mac OS X and Linux written in?

I was just wondering who knows what programming languages Windows, Mac OS X and Linux are made up from and what languages are used for each part of the OS (ie: Kernel, plug-in architecture, GUI components, etc). I assume that …

Read More