kicad-developers team mailing list archive

[Tomasz Wlostowski <tomasz.wlostowski@xxxxxxx>]

On 09.12.2016 17:40, Wayne Stambaugh wrote:
> Pixman is a dependency for Cairo on msys2 (at least it's according to
> whoever wrote the PKGBUILD) so it should be fine on windows.  As always
> the problem child may be osx.  You should check with on of the osx devs
> to make sure pixman is readily available on osx.  Please keep in mind,
> you own any dependencies you add.  Other than that, I'm fine with adding
> this dependency if it solves the speed issues with cairo.
> 
Hi Wayne,

Pixman always goes together with Cairo, as it's responsible for
low-level raster operations in Cairo. I don't think we should worry
about Pixman being additional dependency on any OS.

Cheers,
Tom

> On 12/9/2016 11:32 AM, Maciej Sumiński wrote:
>> Hi,
>>
>> Tom has just finished working on cairo backend optimizations [1]. We
>> still have a few tricks up our sleeves, so if the current performance is
>> still not high enough to make cairo the offical SW renderer, we can
>> continue optimizations.
>>
>> It is not merged yet, as the most time consuming part is now implemented
>> using pixman, which is one od cairo dependencies.
>> Wayne, are you ok with making pixman an explicit KiCad dependency? I do
>> not think it should be a problem, but I prefer to be safe than sorry.
>>
>> Tom's branch also contains refactoring of VIEW/VIEW_ITEM classes
>> (decoupling EDA_ITEM from VIEW) and a small bonus feature called
>> "flipped view".
>>
>> Regards,
>> Orson
>>
>> 1. https://code.launchpad.net/~orsonmmz/kicad/+git/kicad/+ref/cairo_boost
>>
>>
>>
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