I know how to do it (at least so it works, even if I'm not doing it "right") in WinForms, but I heard that WinForms is currently just broken in Mono, and besides, it's not the world's most elegant GUI toolkit anyway.
I'm thinking that GTK# is probably the way to go, but I'm not sure where to start looking for documentation on how to do what I'm trying to do, because I imagine that in the C world the things I need are more GDK/Cairo level than GTK+ itself. At this point, what I need is:
- Create a window that contains a drawable area (ideally leaving some space outside the drawable area that I can put normal controls into later)
- Draw geometric shapes (circles and lines) into that drawable area
- Swap out one frame and swap in a new one with the circles and lines in a new position, flicker-free
In WinForms I was able to do this by creating a PictureBox, drawing to an Image offscreen, and then swapping it in by the Image property of PictureBox. I'm not sure if this is the right way, but it worked. Essentially I was doing the double-buffering entirely manually.
On Mono, I'm not sure how System.Drawing.Image would integrate with GTK#, or whether I even want it to - perhaps there's a better way of doing double-buffered drawing in a GTK# environment. But I don't even know whether I should start looking in the GTK# docs, or the GTK+ docs, or the GDK docs.
If anyone could give me some tips, or better yet, suggest a sample application which does vaguely what I'm looking for that I could look at the sample code of, I'd really appreciate it. I'd like something that's actually going to work with recent mono, despite the libgdiplus/Cairo/System.Drawing/WinForms upheaval - or better yet, work with the Jan 14th snapshots as packaged in Debian, which *do* include GTK# :)
Stuart. -- Stuart Ballard, Senior Web Developer NetReach, Inc. (215) 283-2300, ext. 126 http://www.netreach.com/
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