Getting Display resolution with python isn't accurate

Question

In Settings > Display it says that my screen resolution is set to 1920x1080 . But I've tried to get it with 3 different methods in python:

1- With Tkinter:

from tkinter import *
root = Tk()
Width = root.winfo_screenwidth()
Height= root.winfo_screenheight()

2- With win32api:

from win32api import GetSystemMetrics
Width = GetSystemMetrics(0)
Height = GetSystemMetrics(1)

3- With ctypes:

import ctypes
Width = ctypes.windll.user32.GetSystemMetrics(0)
Height = ctypes.windll.user32.GetSystemMetrics(1)

All of these methods keep returning Width = 1536 and Height = 864 and not the resolution that it says in my display settings.

How could I get the same resolution as displayed in the Display Settings (1920x1080)?

@MauriceMeyer: Which answer in the link are you thinking answers this question? — quamrana, Aug 07 '22 at 15:03
@MauriceMeyer If you're talking about the accepted answer then no it doesn't. — The_Fishy, Aug 07 '22 at 15:05
The one using `SetProcessDPIAware()`: https://stackoverflow.com/questions/3129322/how-do-i-get-monitor-resolution-in-python/26539115#26539115 — Maurice Meyer, Aug 07 '22 at 15:06

The_Fishy · Accepted Answer · 2023-05-03T20:18:14.217

1

This problem is caused by the scaling setting that is set to 125%.

So I found 2 solutions:

The First one answered by @spacether in @rectangletangle's question:

import ctypes
user32 = ctypes.windll.user32
user32.SetProcessDPIAware()
Width = user32.GetSystemMetrics(0)
Height = user32.GetSystemMetrics(1)

The Second one:

import win32con, win32gui, win32print
def get_dpi():
  hDC = win32gui.GetDC(0)
  HORZRES = win32print.GetDeviceCaps(hDC, win32con.DESKTOPHORZRES)
  VERTRES = win32print.GetDeviceCaps(hDC, win32con.DESKTOPVERTRES)
  return HORZRES,VERTRES

edited May 03 '23 at 20:18

answered Aug 07 '22 at 15:22

The_Fishy

143
10

2nd link is broken. – Shmack May 01 '23 at 20:31
@Shmack It seems that the page isn’t available anymore, but I still got the code that we need in my answer, so no need for the rest of the website – The_Fishy May 03 '23 at 20:17
1

Okay, that's fine. I didn't know if you wanted to hunt down the website that you were referencing or not. Just wanted to let you know. – Shmack May 03 '23 at 20:19

Getting Display resolution with python isn't accurate

1 Answers1