Re: Gets vertical skylines from grob stencils (issue 5626052)

[address@hidden]

On Feb 10, 2012, at 1:51 PM, David Kastrup wrote:

> David Kastrup <address@hidden> writes:
> 
>> David Kastrup <address@hidden> writes:
>> 
>>> Han-Wen Nienhuys <address@hidden> writes:
>>> 
>>>> Just a very quick look: I notice you're creating affine transform
>>>> matrices in Scheme. IMO, this seems an excellent candidate to
>>>> implement in C++ and expose through bindings, as the C++ matrices will
>>>> be better packed in memory, and should probably only be manipulated by
>>>> operations involving multiple floating point ops (add, multiply, etc.)
>>> 
>>> Stupid question: wasn't Cairo a dependency of LilyPond?  It should
>>> offer affine transforms as a builtin entity anyway, and it is
>>> conceivable that using those will play together smoothly with other
>>> rendering operations.
>> 
>> Cancel that: I was confusing this with Pango.
> 
> Well, uncancel the idea in itself: seems like it applies to Pango as
> well:
> 

I've implemented all of the affine transformations in stencil-integral.cc.  
They're pretty simple, but they work and are fast.

Cheers,
MS