On 1 nov. 2012, at 12:44, m...@mikesolomon.org wrote:
> 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,
> MS
Sorry, I spoke too soon.
The function above won't work. You'd need to do something like:
upTriangle =
#(ly:stencil-translate (make-connected-path-stencil
'(
(.65625 .5)
(1.5 -.5)
)
0.09
1.0
1.0
#t
#t
) '(-.1875 . -.5))
Cheers,
MS_______________________________________________
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