Re: Cairo plans

[Richard Shann]

On Wed, 2021-09-01 at 15:11 +0200, Rene Brandenburger wrote:
> I use the \postscript a lot 

Denemo uses postscript to generate a title page with a border.

Richard Shann

> when typesetting contemporary music e.g. 
> like this:
> 
> \version "2.20.0"
> 
> 
> wave_line = \markup {
>    \with-dimensions #'(0 . 0) #'(0 . 0)
>    \postscript #"0.3 setlinewidth 1 setlinecap [0 1]
>   0 0 0 setrgbcolor  0.00 -3.50 moveto
>   0.23 -3.71   0.47 -3.93   1.00 -4.00 curveto
>   1.53 -4.07   2.36 -4.00   3.00 -3.50 curveto
>   3.64 -3.00   4.11 -2.07   4.50 -1.46 curveto
>   4.89 -0.84   5.22 -0.55   6.00 -0.80 curveto
>   6.78 -1.05   8.03 -1.83   9.00 -1.53 curveto
>   9.97 -1.23  10.66  0.15  11.50  0.50 curveto
> 12.34  0.85  13.32  0.17  14.00 -0.50 curveto
> 14.68 -1.17  15.05 -1.84  16.00 -2.50 curveto
> 16.95 -3.16  18.47 -3.82  20.00 -4.49 curveto
> stroke "
> }
> 
>   \relative c''{
>    s1*5^\wave_line
> }
> 
> 
> regards
> 
> René Brandenburger
> 
> 
> Am 31.08.2021 um 12:37 schrieb Kevin Barry:
> > These changes/improvements are exciting. Thank you and Knut for the
> > hard work!
> > 
> > > > I would say that this step requires going to LilyPond 3.0,
> > > > along with
> > > > removing all the features and commands that cannot be
> > > > implemented in
> > > > the Cairo backend, or that we don't want to.
> > > 
> > > We can discuss this in detail later, but I think a major version
> > > bump
> > > is not warranted, as we're leaving the music input intact.
> > 
> > I would also have been inclined to say this suggests a major
> > version
> > bump. But if what you say is true - that input is completely
> > unchanged
> > - then it may not be necessary. Will the loss of the ps-command
> > affect
> > users?
> > 
> > Kevin
> > 
> 
>