[cairo] Images with stride == width?

[Soeren Sandmann]

Soeren Sandmann <sandmann at daimi.au.dk> writes:

> It would probably have been better then to have a 
> 
>         cairo_stride_is_valid()
> 
> but ultimately, applications will want to know ahead of time whether
> their existing stride is guaranteed to work or not.
> 
> The restriction to multiples of 4 ultimately comes from pixman which
> currently only deals with strides in numbers of uint32, and I don't
> have any plans to change that to sizeof(int).
> 
> But sizeof(int) is fine with me too, as long as we don't ever expect
> to support 16 bit computers.

I pushed this keeping "multiple of 4". I couldn't bring myself to say
sizeof(int) when that's only true on systems where sizeof(int) happens
to be 4.



Soren