Without having a very close look at your project I'd first like to ask
if you can imagine working with scores in SVG format. With these you'd
have not only coordinates but real objects that you can quite easily
interact with using JavaScript.
HTH
Urs
Am 21.12.2014 um 10:34 schrieb Franck Revolle:
Suggestion of (new ? ) feature :
When a lilypond score-image is created ( e.g. a png file ), a log file can be
used by an external software. This log file contains information about
graphical position of the notes, within the score-image ( e.g. beat, stave, #
of page, x-y-width-heigh ). The external software can use the score-image, and
make graphical « interaction » with the picture ( highlight the items, ... ).
Usage :
I would like to develop a new version of my Expresseur freeware (
www.expresseur.com ). I would like to use lilypond to build the score-image,
according to the user’s options ( staves to play/display ).
For this, I can use Lilypond to build easily the score-image, building
automatically the lilypond source-code.
But I also need to interact with the score-image, to highlight position
dynamically. So, I need to know where to find graphically the notes, within the
image. The log file can be a solution …
My contribution :
I can update source-code ( C++, .. ). But some help can be useful to know where
to « touch » this (large) project….
Alternative :
Filter tha available logs.
May be(?), this information is already available in a « verbose » log. In this
case, I just need some indications to know how to generate this information,
and where to find it in the log. With this information, it will be easy for me
to parse the text logs…
For consideration
Franck Revolle
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