Re: a proper whiteout function

[Kieren MacMillan]

Hi Carl,

>> 1. follow exactly the grob/glyph outline (i.e., not just a rectangle/box,
>> as currently implemented);
>> 2. include a parameter to set the thickness of the outline; and
>> 3. include a parameter to determine whether the whiteout was filled
>> throughout, or allowed ³holes² inside (as per the grob/glyph outline).
> 
> I think that doing all 3 things is virtually impossible, given my
> understanding of the current state of stencil handling.

Okay. Thanks for the information.

> I think that a stencil whiteout for simple stencils could be created by
> combining two stencils:
> 1) the original stencil
> 2) a scaled version of the original stencil, colored white, and placed on
> a lower layer
> The amount of scaling would determine the thickness of the outline.
> There would be no way of dealing properly with holes.

That might be sufficient for the vast majority of cases I’ve seen.
I’ll see if I can work out a quick Scheme function to accomplish what you’ve 
suggested here.

Thanks,
Kieren.
________________________________

Kieren MacMillan, composer
‣ website: www.kierenmacmillan.info
‣ email: address@hidden