Re: Display Raster Data?
- Date: Wed, 1 Aug 2018 15:44:14 +0200
- From: Luca Bacci via gtk-list <gtk-list@xxxxxxxxx>
- Subject: Re: Display Raster Data?
I suggest you use GStreamer, you can build a video by pushing bitmap frames and it does everything else for you.
Otherwise, you can animate a DrawingArea. Set up a 60hz timer on your own. The timer callback simply calls
gtk_widget_queue_draw_area(). Then, on the draw_func of your drawingarea you display the bitmaps, one after another.
That's the simplest solution but can have lower timing quality
2018-08-01 14:18 GMT+02:00 R0b0t1 via gtk-list <gtk-list@xxxxxxxxx>:
On Wed, Aug 1, 2018 at 3:45 AM, Paul Davis <paul@xxxxxxxxxxxxxxxxxxxxx> wrote:
> 60Hz is a reasonable common refresh rate, but it's not universal, and you
> probably should not rely on it being the context in which your program runs.
... I'm not, the update is driven by frame decoding elsewhere. I
pointed it out because doing it at ~60Hz is going to be harder than
say 30Hz or 25Hz and can dictate what is most proper.
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