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Questions tagged [hidpi]

76 questions
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How to get dpi using program on Xfce Desktop environment?

Xfce supports HiDPI scaling which can be enabled using the settings manager: 1.Go to Settings Manager > Appearance > Settings > Window Scaling and select 2 as the scaling factor. I wonder to know if we adjust 'Window Scaling' is '2X', at this point,…
hyt
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Chrome SVG clip-path behave incosistent across monitors

So I have a small HTML snippet below,

Lorem ipsum dolor sit amet

Smankusors
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Detecting HIDPI settings in JavaFX application

Currently, I am using JDK 15 and JavaFX 15 in GNOME/Wayland on Linux on a 4K monitor. It appears that the produced apps cannot detect my 200% upscale setting. When researching I came up with this bug ticket that suggests moving to JavaFX 11, which…
noconst
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Swing HiDPI Border rendering (Windows 10/OpenJRE 11)

I maintain an old Swing application that uses custom border implementations as window decorations with a look and feel implementation which extends MetalLookAndFeel. The look and feel overrides initComponentDefaults(UIDefaults table) and installs…
fireandfuel
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QtWidgets.QApplication.setAttribute(QtCore.Qt.AA_EnableHighDpiScaling, True) not working at all on python

I've been programming an application with PySide2 and Python 3.8, and i was trying to enable HiDPi, and i found that adding this at the start of the script QtWidgets.QApplication.setAttribute(QtCore.Qt.AA_EnableHighDpiScaling,…
Martí Climent
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Set environment variable for X tray

I want to set GDK_SCALE and GDK_DPI_SCALE environment variables for the entire system (to deal with HiDPI) except the process that's in charge of X tray icons. I'm struggling to figure out what's the lower-level process that's in charge of that. I…
Milad
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SDL_GetCurrentDisplayMode not returning correct window size

My Question is how to get the current window size? It needs to be able to get the window size, both fullscreen or windowed. I am using SDL2, Glad, OpenGL #ver 130. On Window 10 with scaling. I initialized the window to be…
fast_cookies_delivery
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Running Swing apps in IntelliJ Idea Community on a HiDPI screen

I run Arch Linux with I3 on an XPS13 with 3200x1800 res screen. I'm currently working on some Swing apps. When I run my app from the commandline with the java -Dsun.java2d.uiScale=2 myApp, the app is scaled (else it's just too small). I also have…
greenleafvolatile
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Windows scale is affecting my application font

I'm having an issue on my program when i run it with scale 100% in windows settings the application looks good as i design it. But when the scale is set for example to 125%. I got a problem with graphics the font became more big. I build different…
Bouraoui Al-Moez L.A
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How to use QVTKOpenGLWidget with proper hidpi

When I try QVTKWidget， there are warning messages that told me donot use it. So I change to QVTKOpenGLWidget. But there are problems with this widget, it doesnot display properly. See the picture. I use VTK 8.1.2 Qt 5.12.3 win10 +…
Laine
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"Open in Low Resolution" from command line

Mac OS provides the handy functionality of rendering an application in in low non-retina resolution by setting a checkbox "Open in Low Resolution" in the application info. However, for development, I start my application using a run configuration…
user3207838
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QML Image Element > Retina/HiDPI support for network based images

Image element of the QtQuick supports HiDPI images automatically as you know. For example it can loads @2x images in the iOS and MacOS platforms. Same code works OK on the Android platform. There is a section in the official documentation that…
S.M.Mousavi
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Getting Retina Screen Resolution on Macs with HiDPI in Unity

I am making a custom Unity Editor GUI window and I just want it to stay and the exact center of the screen. Surprisingly, this is harder than I thought it would be on Macs. This is my code: .... windowRect.center = new Rect(0, 0,…
B.Wang
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Starting application from shell does not use HiDPI configuration

I have a Dell XPS 15 with a 4k monitor. I am using ArchLinux and KDE. When I start an application from the menu, the application is properly scaled. When I start it from the shell, for example "kate filename", the configuration HiDPI is not taken…
user1407269
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Proper HiDPI rendering of Canvas elements (with Konva.js)?

I built a small HTML5 Canvas animation using components from Konva.js. Everything works great, except that the Canvas element is 2x the size I'd expect - I think because I have a HiDPI/Retina display. Specifically the element looks like
davewy
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