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Re: TODO additions

From: Stefan Monnier
Subject: Re: TODO additions
Date: Tue, 22 Oct 2002 10:14:10 -0400

> When background images can be displayed on arbitrary positions in the
> buffer (I understand that this is possible with Miles' code) they
> could be used for other fancy things, not only for decorative
> background images in the actual sense of the word. I am thinking of
> widgets implemented as pictures behind the text or similar things.
> Moreover, as soon as some kind soul implements a way to change images
> in the image cache directly, this type of background images could
> allow simple vector graphics. Like drawing arrows from one part of the
> text to other parts, drawing a vertical ruler line and such stuff. :-)

I don't want to argue against background images since I simply don't
care about them at all, but note that the applications you have
in mind will have to deal with problems linked to the variable line
height, line wrapping, variable char width, ... and that those variable
values can be different for the same buffer but displayed in two
different windows.  So maybe a different approach than background
images will prove easier and more robust.


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