André Pönitz wrote:
On Thu, Jan 05, 2017 at 04:03:56PM +0100, Jason H wrote:
After watching the webinar "The Curse of Choice: An overview of GUI
technologies in Qt?"[1] I am even more confused as to what to use for
our new desktop app. Here are a few of the background details. The app
will be cross platform to desktop systems, not embedded at all. The app
will be displaying some "image" data from hdf5 files and performing some
"real" time basic image manipulations (gamma corrections, coloring of
data) on that data. The app will eventually call out to some existing
libraries to perform some long running analysis/simulations. We are
currently using Qt 5.6.2 due to its long term maintenance guarantees.
In the past I have used QGraphics* classes to show images and perform
basic zoom, save, compositing functions but the webinar makes it pretty
clear NOT to use those classes any more. The webinar seems to push QML
and the Qt Quick classes as the way forward for desktop apps. One of the
issues that we might have with QML is the need to apply styling to those
widgets, none of us are UX/Styling experts by any stretch of the
imagination. I took a look at QOpenGLWidget to display/manipulate the
images so that we get an accelerated canvas to use. That looked
promising in combination with traditional QWidgets.
I would like to hear other peoples experiences& suggestions as to what
they are doing. I don't want to write the app and then have to figure
out how to port it to another Qt technology in a year or so after our
funding has run out.
The mantra is to use QML.
Definitely not true for the kind aof applications the OP describes.
Anndre'
After reviewing the responses and doing some more research online we
decided to stick with the traditional QWidgets for our desktop app but
get away from the QGraphics* classes and replace that older code with
code based on QOpenGlWidget so we can get accelerated 2D rendering.
Thanks all for your responses and suggestions.
Mike Jackson
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