By Morten Johan Sørvig
Morten Johan Sørvig

Getting Started With Qt for WebAssembly

Published Monday November 19th, 2018 | 54 Comments on Getting Started With Qt for WebAssembly
Posted in Dev Loop | Tags:

We’ve previously blogged about some of the features of Qt for WebAssembly. In this blog post we’ll take a look at how to get started: building Qt, building your application, and finally deploying the application. If you would like to know more about this topic, then please join me for the Qt for WebAssembly webinar […]

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Morten Johan Sørvig

Vulkan for Qt on macOS

Published Wednesday May 30th, 2018 | 2 Comments on Vulkan for Qt on macOS
Posted in Dev Loop, Graphics, macOS, Vulkan

Sometimes, development efforts align such that new use cases can be enabled with modest extra effort. The QtBase dev branch (which will become Qt 5.12) now has experimental Vulkan support, courtesy of MoltenVK and prior work in Qt. Let’s take a look at what has happened. Backstory Last year, Laszlo wrote about Vulkan support in […]

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Morten Johan Sørvig

Qt for Native Client (and emscripten)

Published Friday September 25th, 2015 | 15 Comments on Qt for Native Client (and emscripten)
Posted in Qt, Qt Quick

Qt for Native client has been in development for a while, and I’m pleased to announce that the project again has reached working status: running Qt applications (Qt Widgets and Qt Quick) sandboxed in the Chrome browser. In this post I’ll talk about the background of native code on the web and how to get […]

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Morten Johan Sørvig

Qt Weekly #24: High-dpi QtWayland

Published Tuesday January 27th, 2015 | 1 Comment on Qt Weekly #24: High-dpi QtWayland
Posted in Graphics

Those of you following QtWayland development closely might have seen commit 7ef5e2e4 – Implement high-dpi support. In this blog we’ll look at some examples and show how to test the support on high and normal dpi hardware. Wayland Wayland 1.2 added support for high-dpi scaling via wl_output::scale wl_surface::set_buffer_scale wl_output::scale is used by the compositor to […]

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Morten Johan Sørvig

An update on OS X Code Signing

Published Wednesday October 29th, 2014 | 9 Comments on An update on OS X Code Signing
Posted in macOS

There has recently been updates to the OS X code signing process. These updates also affect Qt applications signed for distribution, both on and outside the App Store. OS X 10.9 Mavericks introduced version 2 signatures. As of OS X 10.9.5 and 10.10 Yosemite, v2 signatures are now required. We’ve recently spent some time updating […]

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Morten Johan Sørvig

Retina display support for Mac OS, iOS and X11

Published Thursday April 25th, 2013 | 14 Comments on Retina display support for Mac OS, iOS and X11
Posted in Graphics, macOS, QPA, Qt

Qt 5.0 added basic support for retina reasonable resolution displays. The upcoming Qt 5.1 will improve the support with new API and bug fixes. Qt 4.8 has good support, and backports of some of the Qt 5 patches are available. While this implementation effort is mostly relevant to Mac and iOS developers, it is interesting […]

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