"David Kastrup" <d...@gnu.org> wrote in message
news:87a9f8q6uf....@fencepost.gnu.org...
"Phil Holmes" <m...@philholmes.net> writes:
Looks like a bug to me: it doesn't work on windows even if you ignore
the command line and set the options in the lilypond file:
#(ly:set-option 'resolution 169)
#(ly:set-option 'pixmap-format "pngalpha")
resolution is set, tranparent not. Comment out the resolution line
and all is OK.
Is there a way to see what options Ghostscript is getting called with
from LilyPond?
Under Linux, it would be easy enough to point PATH at directory
including a "gs" script that not just calls gs but also records the
command line arguments.
Windows?
Just knocked up a c# app. Results all look like they should. Further
testing shows that the two options together work for resolutions up to 160
dpi, but fail above that...
Default call:
-q
-dDEVICEWIDTHPOINTS#595.28
-dDEVICEHEIGHTPOINTS#841.89
-dGraphicsAlphaBits#4
-dTextAlphaBits#4
-dNOPAUSE
-sDEVICE#png16m
-sOutputFile#./MidiTempo.png
-r101
MidiTempo.ps
-c
quit
With resolution set:
-q
-dDEVICEWIDTHPOINTS#595.28
-dDEVICEHEIGHTPOINTS#841.89
-dGraphicsAlphaBits#4
-dTextAlphaBits#4
-dNOPAUSE
-sDEVICE#png16m
-sOutputFile#./MidiTempo.png
-r169
MidiTempo.ps
-c
quit
Transparency set:
-q
-dDEVICEWIDTHPOINTS#595.28
-dDEVICEHEIGHTPOINTS#841.89
-dGraphicsAlphaBits#4
-dTextAlphaBits#4
-dNOPAUSE
-sDEVICE#pngalpha
-sOutputFile#./MidiTempo.png
-r101
MidiTempo.ps
-c
quit
Both:
-q
-dDEVICEWIDTHPOINTS#595.28
-dDEVICEHEIGHTPOINTS#841.89
-dGraphicsAlphaBits#4
-dTextAlphaBits#4
-dNOPAUSE
-sDEVICE#pngalpha
-sOutputFile#./MidiTempo.png
-r169
MidiTempo.ps
-c
quit
--
Phil Holmes
Bug Squad
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