Tried it just now, opening a 1024x768 bitmap caused system to freeze.

Very cool, @SuperIlu. I wrote a Targa (old 24bit graphics format) viewer for MS-DOS 30 years ago, when I was in high school. It was a satisfying but also quite frustrating project.

Maybe I should try to recreate it, one day. If I could write DOS graphics C code when I was a teenager, I surely can do it as an old fart, right? <wink>

- Alex

Interesting project. It could be very useful to view images when running Links web browser in text mode.

How much conventional memory does it use?

dominusprog wrote on 2023-11-12, 16:38:

Tried it just now, opening a 1024x768 bitmap caused system to freeze.

any chance to attach that image to a bug report on GitHub?

ntalaec wrote on 2023-11-12, 17:47:

Interesting project. It could be very useful to view images when running Links web browser in text mode.

How much conventional memory does it use?

I haven't the slightest idea. I can tell you that encoding some of the newer formats eats heaps of memory (and not the conventional type) 😀

Sounds useful, thank you. Still stumbled upon a bug tough. I recommend adding a couple portrait mode pictures to your test set, zooming/panning doesn't seem to work right for those. Instead they draw correctly at first but seem to get locked to fit-to-screen afterwards. I also encountered this behaviour with very wide (80x2000) or tall (2000x80) images.

Thanks, I'll check that out...

I tried again to repeat the issue and it didn't happen. So what happened was I open a bitmap, press X which shows the actual size so I tried different keys to find the fit to screen shortcut and when I press the Q program quits and print OK.

Small update with bugfixes: https://github.com/SuperIlu/DosView/releases/tag/v1.4