Rounded Corners for images?

Ken Ray kray at
Tue Oct 10 12:55:08 EDT 2006

On 10/10/06 3:16 AM, "Dar Scott" <dsc at> wrote:

>> Is there some documentation on this or can you explain why / what
>> grouped
>> inks work?
> If a group or card has a blend = 0 and an ink that is not srcCopy,
> then it has an alpha channel, and then acts as though adding
> parentheses in image math.
> Here is a math oriented explanation:

It's about at this point that you lost me... ;-)

> I hope this helps.  I have trouble explaining things.

I'm sure you explained it perfectly for those that understand those kind of
things, but to me I think it would be beneficial to have a small handful of
examples of what you can *do* with these inks (like your suggestion for
adding rounded corners to images).

Ken Ray
Sons of Thunder Software
Web site:
Email: kray at

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