You can try this Go library by mischief and some examples in the cmd
package:
https://bitbucket.org/mischief/draw9/src/default/

Last I recall, it worked fine on 9front. I'm not sure about the other
variants.

Cheers,
Chris

On Sat, Apr 4, 2020 at 9:54 AM Kim Lassila <kim.lassila@gmail.com> wrote:

> Has anyone written a graphical application in Go on Plan 9? How would the
> Go equivalent of black.c (thank you fgb) look like?
>
> - - - clip - - -
>
> #include <u.h>
> #include <libc.h>
> #include <draw.h>
>
> void
> main(int, char *argv[])
> {
> Rectangle rect;
> Image *black;
>
> fmtinstall('R', Rfmt);
> if(initdraw(nil, nil, argv[0]) < 0)
> sysfatal("initdraw: %r");
> rect = screen->r;
> black = display->black;
> draw(screen, rect, black, nil, ZP);
> flushimage(display, 1);
> sleep(5 * 1000);
> closedisplay(display);
> print("rectangle was %R\n", rect);
> exits(nil);
> }
>
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