Explore Fyne, a GUI framework for Go
Programming Snapshot – Fyne
With the Fyne framework, Go offers an easy-to-use graphical interface for all popular platforms. As a sample application, Mike uses an algorithm to draw arrows onto images.
My new favorite language, Go, impresses with its image processing routines, manipulating the pixels in an image just as quickly as ordinary numbers or text [1]. I often paint arrows in digital images, either for illustration purposes or to point out something funny in a snapshot, and I wondered how hard it would be to automate this task. Thus far, I have always had to fire up Gimp, select a path with the Path tool, and then place an arrow in the image with an Arrow plugin that I downloaded from somewhere on the Internet. With Go, there's got to be an easier way!
GUI Preferred
Actually, I prefer command-line tools, but sometimes a traditional graphical interface is just more practical, for example, to select a place in a photo where I want the program to draw a red arrow.
The arrow in Figure 1 illustrates, for example, that the tape measure in the photo, which I found while rummaging through my dusty desk drawers, is an age-old tchotchke from the once thriving company Netscape. Remember them? Yes, the browser manufacturer, where I worked for a few years during the 1990s, shortly after I left Munich and escaped to Silicon Valley "for a year" but somehow never found my way back.
[...]
Buy this article as PDF
(incl. VAT)
Buy Linux Magazine
Subscribe to our Linux Newsletters
Find Linux and Open Source Jobs
Subscribe to our ADMIN Newsletters
Support Our Work
Linux Magazine content is made possible with support from readers like you. Please consider contributing when you’ve found an article to be beneficial.
News
-
Framework Laptop 13 Pro Competes with the Best
Framework has released what might be considered the MacBook of Linux devices.
-
The Latest CachyOS Features Supercharged Kernel
The latest release of CachyOS brings with it an enhanced version of the latest Linux kernel.
-
Kernel 7.0 Is a Bit More Rusty
Linux kernel 7.0 has been released for general availability, with Rust finally getting its due.
-
France Says "Au Revoir" to Microsoft
In a move that should surprise no one, France announced plans to reduce its reliance on US technology, and Microsoft Windows is the first to get the boot.
-
CIQ Releases Compatibility Catalog for Rocky Linux
The company behind Rocky Linux is making an open catalog available to developers, hobbyists, and other contributors, so they can verify and publish compatibility with the CIQ lineup.
-
KDE Gets Some Resuscitation
KDE is bringing back two themes that vanished a few years ago, putting a bit more air under its wings.
-
Ubuntu 26.04 Beta Arrives with Some Surprises
Ubuntu 26.04 is almost here, but the beta version has been released, and it might surprise some people.
-
Ubuntu MATE Dev Leaving After 12 years
Martin Wimpress, the maintainer of Ubuntu MATE, is now searching for his successor. Are you the next in line?
-
Kali Linux Waxes Nostalgic with BackTrack Mode
For those who've used Kali Linux since its inception, the changes with the new release are sure to put a smile on your face.
-
Gnome 50 Smooths Out NVIDIA GPU Issues
Gamers rejoice, your favorite pastime just got better with Gnome 50 and NVIDIA GPUs.