On 1 nov. 2012, at 00:11, Paul Morris <p...@paulwmorris.com> wrote:
> On Oct 31, 2012, at 4:52 PM, Thomas Morley <thomasmorle...@googlemail.com>
> wrote:
>
>> Hi Paul,
>>
>> postscript is scaled with global-staff-size only.
>>
>> To work around you could use:
>>
>> TwinNoteNoteHeads =
>> #(lambda (grob)
>> (let* ((sz (ly:grob-property grob 'font-size 0.0))
>> (mult (magstep sz)))
>> (set! (ly:grob-property grob 'stencil) (ly:stencil-scale
>> (stencil-notehead grob) mult mult))
>> (set! (ly:grob-property grob 'stem-attachment) (stem-adjuster grob))))
>>
>
> Hi Harm and Mike,
> Thank you both for your help! Harm's work around does the trick nicely!
>
> On Mike's suggestion I also switched to using internal path stencils instead
> of embedded PS. The only problem I ran into was using "fill" to get a filled
> triangle. I used:
>
> upTriangle =
> #(ly:make-stencil
> '(path 0.09
> '(moveto -.1875 -.5
> lineto .65625 .5
> lineto 1.5 -.5
> closepath
> fill ()
> )
> )
> (cons -.1875 1.5)
> (cons -.5 .5)
> )
>
> When I typeset my file the visual output is correct (filled triangles), but I
> get either an "Unsupported SCM value for format" error for each of those
> notes. (Or if I omit the "()" after "fill" then the rendering fails with
> "Wrong type argument in position 1 (expecting pair): ()"). I did not find
> much documentation for "path", only a snippet that doesn't use "fill" [1].
>
> Does anyone know the value that is needed for "fill" to avoid this error?
>
> Thanks again, it will be great to be able to resize staves!
>
> -Paul
>
> [1] http://lsr.dsi.unimi.it/LSR/Item?id=623
>
Hey Paul,
Try make-connected-path-stencil.
(make-connected-path-stencil pointlist thickness x-scale y-scale connect fill)
Here, the x-scale and y-scale are scaling along the x and y axes, connect is a
boolean if the path should be connected, and fill is a boolean if the path
should be filled. So...
upTriangle =
#(make-connected-path-stencil
'(moveto -.1875 -.5
lineto .65625 .5
lineto 1.5 -.5)
)
0.09
1.0
1.0
#t
#t
)
The dimensions will be calculated for you by the function.
Cheers,
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