Joshua A. Andler wrote:
On Fri, 2009-12-25 at 10:07 +1030, Adrian Johnson wrote:
> Aaron Spike wrote:
>> Joshua A. Andler wrote:
>>> On Thu, 2009-12-24 at 08:14 -0600, Aaron Spike wrote:
>>>> Color in SVG includes an alpha channel. I've been told that rendering
>>>> Coons patch meshes is ambiguous when this is the case. Does this also
>>>> affect Tensor-product patch meshes?
>>> I'm curious about the ambiguity. Do you recall why that was said?
>>> sure it's more technical, but if it works how I imagine it could, it
>>> could afford great artistic leverage.
>> IIRC extreme bends in the control beziers can cause the fill to self
>> overlap. Transparent or semi-transparent colors would allow the deeper
>> parts of the fill to bleed through. And once again, remember that I
>> don't know what I'm talking about. :-)
> There is an experimental implementation of mesh gradients for cairo at:
> This branch makes it easy to write a few test cases help understand how
> PDF Type 6 and 7 gradients work.
> Some sample output (including self overlapping and transparency) is at:
Would you be willing to do one that has both self-overlapping &
transparency where the overlapping portions are? I'm not seeing one
currently. That would be helpful to seeing how it reacts.