[Guidolib-announce] guidolib v.1.54

[Dominique F. <fo...@gr...>]

Hi,

A new version of the Guido Engine Library - applications and tools - is available from the sourceforge files section. 	
	https://sourceforge.net/projects/guidolib/files/

It comes with new features, significant performance improvements, bugs corrections and improved documentation, notably with concise and useful refcards. 
Many thanks to Colas Decron and Camille Le Roi, the main contributors of this release.
All the best,
—
Dominique



Change log:
————————
- new piano roll API available :
	- piano roll can be generated from an gmn file, an AR, etc. and exported to any classic file format
	- two piano roll types available : classic (notes are horizontal) and trajectory (notes are graphically linked to the following note)
- new 'dy' attribute for the \staffFormat-tag to insert an vertical offset
- beams can be applied to grace notes
- new 'autoMeasuresNum' attribute for the \meter-tag to display or not measures number
- \bar-tag :
   	- new 'displayMeasNum' attribute to choose for each bar to display or not measure number
	- new 'numDx' / 'numDy' attribute to adjust measure number position
- huge performances improvement (to quantify : time ratio until 60 for very big scores and 8 for standard 2-pages scores)
- new tremolo tag
- various bugs correction
	- some SVG export bug fixed
    - conflicts with note durations in the trill solved
	- problems on dotted trills / cluster
	- bad vertical position of the flags of very low/high notes or chord
	- size param of \meter tag working properly now
	- problems on small lineThickness values in \staffFormat-tag
    - various other bugs fixed
- crashes correction :
    - when a \composer, \fingering, \label, \mark or \title tag was set under range-tag form
	- when a trill composed of a chord containing several different durations was separated into two tied trills
    - various other crashes avoided