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Re: max and min operators in draw_round_box
From: |
David Kastrup |
Subject: |
Re: max and min operators in draw_round_box |
Date: |
Wed, 09 Jan 2019 19:57:12 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) |
Tyler Mitchell <address@hidden> writes:
> On Wed, Jan 09, 2019 at 12:27:13PM +0000, Stephen Wilkinson wrote:
>> [...] it seems to be a struggle to get the postscript file to
>> open in anything at all.
>
> I looked at this and it seems the culprit is the draw_round_box
> procedure which uses 'max' and 'min' operators, which are not part
> of standard PostScript, but are available in Ghostscript:
>
> https://en.wikibooks.org/wiki/PostScript_FAQ#Where_are_min_and_max_functions?
>
> Adding this to the PostScript output (before draw_round_box is
> defined) makes it double-clickable in OS X:
>
> /min { 2 copy gt { exch } if pop } bind def
> /max { 2 copy lt { exch } if pop } bind def
>
>
> Is it possible to include these in music-drawing-routines.ps so
> that the .ps output could be processed with non-Ghostscript
> interpreters?
I'd rather we make the input not depend on those functions in the first
place: the names are too generic for comfort.
Looks like my fault: their use can be traced to a commit of mine from
2013. I'll fix that.
--
David Kastrup
- Re: Lilypond not rendering PDF on Mac, (continued)
- Re: Lilypond not rendering PDF on Mac, Tyler Mitchell, 2019/01/09
- max and min operators in draw_round_box (was: Lilypond not rendering PDF on Mac), Tyler Mitchell, 2019/01/09
- Re: max and min operators in draw_round_box,
David Kastrup <=
- Re: max and min operators in draw_round_box, David Kastrup, 2019/01/09
- Re: Lilypond not rendering PDF on Mac, Hans Ã…berg, 2019/01/09
Re: Lilypond not rendering PDF on Mac, Stan Sanderson, 2019/01/09
Re: Lilypond not rendering PDF on Mac, Mark Probert, 2019/01/10
Re: Lilypond not rendering PDF on Mac, Jacques Menu, 2019/01/10