On Fri, 2009-12-25 at 10:54 +1030, Adrian Johnson wrote:
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
>>>>> Coons patch meshes is ambiguous when this is the case. Does this
>>>>> 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,
>>>> 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.
I've added the mesh-gradient-overlap-transp test case.
Thanks! Out of curiosity, are there any plans for integration into head
any time in the "near" future or are is there a need for more testing? I
think i will give it a compile in the next couple weeks to play with it