🚀 go-pugleaf

In article <23269@hacgate.SCG.HAC.COM>, howard@aic.hrl.hac.com (Mike Howard) writes:
|> How do I make it possible to draw lines on an image?
|> I am creating a Raster, in an Image, and I notice that
|> Image has some members that take Canvas as an arg.
|> Do I instantiate a Canvas and pass it to the image.draw()
|> member?  I tried creating a deck with an image on the bottom
|> and a canvas on top, but I need to make the canvas' background
|> invisible, and I haven't figured out how to do that.

If what you want is to perform drawing operations on a raster,
then that is not currently supported.  You would need to define
a subclass of Canvas analogous to Printer that sets up the
raster's pixmap and avoids double-buffering.  Image is a glyph
that renders a raster onto a canvas.