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Recent Unanswered Threads

(PyQt5) QDateEdit write date from the keyboard
Today 11:48 by Odium

QWebSocket closeCode not returning expected value
Today 06:26 by 413X

Qt app: Create a shell link to my app with a pixmap as the link icon
Yesterday 13:29 by ddonate

How to properly use the asynchronous libusb?
24th January 2021 18:36 by Andrew23

QPSQL unable to COPY large files
23rd January 2021 18:48 by dehm

Qt Creator can't locate Qwt plugin
18th January 2021 09:24 by trouden

(PyQt) QSortFilterProxyModel very slow when sorting
17th January 2021 13:44 by TheGrudge

PyQt5 5.15.2 Raspberry Pi issues
12th January 2021 19:21 by shift838

Issue when passing a pointer to a SLOT from a SIGNAL with QObject::connect
9th January 2021 14:07 by teodor

display multimedia camera in QT3D
7th January 2021 03:26 by FCT77
Recent Forum Posts

PyQt5 GUI running on /dev/fb1 on Raspberry Pi Zero SPI TFT LCD?

Hello all.

I've been working with PyQt5 for a bit over a year now. I've been wanting to deploy and run my Python-gui on my Raspberry pi Zero W with an SPI TFT LCD screen for some time now and I'm...
Trakt0r22 Today, 16:52

Re: QSlider Iteration Misses Sample Data on QCustomPlot

You keep referring to QSlider, but your code indicates a horizontal scrollbar. Which is it?
d_stranz Today, 16:21

Re: QImage bytesize

Hi, just a guess: maybe your original file is compressed (jpg or something like that), while QImage stores a raw representation of the pixels? What size does your image have (width x height)?
...
Ginsengelf Today, 15:47

Re: QSlider Iteration Misses Sample Data on QCustomPlot

For every zoom, xAxisChanged slot is triggered. So I set new range and values to increase the precision of QSlider, but it didn't work. When range size of QCustomPlot is smaller than one iteration...
cranberriess89 Today, 13:21

QImage bytesize

Hi,

I'm just wondering why QImage are consuming that much memory.

I'm loading an image that is 1.2 Mb (I checked that using QFileInfo) and when querying the size using sizeInBytes on the QImage...
panicq Today, 12:40

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