Re: Missing items to make Cairo ready

[Jean Abou Samra]

Le 31/12/2022 à 01:13, Paolo Prete a écrit :
> I'll examine it, thanks.
> Meanwhile, I don't know if it is the right case, but it comes to my 
> mind a hack, which I applied on some similar code:
>
> Before the SVG bytestream is emitted by the write_func, I would set a 
> temporary, special and different _color_ for each grob that is 
> associated with output-attributes.
> This color is automatically generated and must obviously be different 
> from any other color that will be included in the output SVG.
> Then you can create a map with key = specialcolor, value = pair 
> (original color,  output-attributes) and when you parse the generated 
> bytestream, if you find any set of objects with a color included in 
> the map, you can group them, set output attributes on the group and 
> restore the original color.
>
> I repeat: this is a hack, it's a bit imaginative and I don't know if 
> it's really suitable for the present case. But the unique color 
> mechanism is much safer than you might think.


Wait, I'm starting to wonder if it's possible via a second surface.

I'll try this, but not guarantees.

OpenPGP_signature
Description: OpenPGP digital signature