Re: PecentRepeat with small 'slope causes collisions

[Colin Campbell]

On 2017-05-07 07:26 AM, Thomas Morley wrote:
> Hi,
>
> the following code gives bad output (collisions) for PecentRepeat with
> small 'slope
>
> \repeat percent 2 { c'4 d' e' f' \override PercentRepeat #'slope = #0.2 }
>
> This happens in all tested versions from 2.19.60 back to 2.12.3
>
>
> My first thought was the stencil extents are not calculated correctly
> though the code below seems to proof this wrong:
>
> boxPercentRepeat =
>    \once \override PercentRepeat #'after-line-breaking =
>      #(lambda (grob)
>        (ly:grob-set-property! grob 'stencil
>          (stencil-with-color
>            (box-stencil
>              (ly:grob-property grob 'stencil)
>              0.2 0.5)
>            red)
>            ))
>
> slopePercentRepeat =
>    \once \override PercentRepeat #'slope = #0.2
>
> \repeat percent 2 {
>    c'4 d' e' f'
>    \boxPercentRepeat
>    \slopePercentRepeat
> }
>
> An image of this is attached.
>
> Cheers,
>    Harm
>
>
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Created https://sourceforge.net/p/testlilyissues/issues/5135/

It may be that issue #3962 
<https://sourceforge.net/p/testlilyissues/issues/3962/> is in some way 
related, or I could be just poking beehives with a stick.

Cheers,
Colin


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