LAC 2009 - Slides: The Guido Engine: A toolbox for music scores rendering

2009·0.14 MB·English

by  Christophe Daudin

Introduction GuidoMusicNotation GuidoLib Conclusion
The Guido library
A toolbox for musical scores rendering
C. Daudin D.Fober S.Letz Y.Orlarey
Grame
Centrenationaldecréationmusicale
LAC 2009
17Avril,Parma
Introduction GuidoMusicNotation GuidoLib Conclusion
Existing systems
Score edition :
Closed commercial systems : Finale, Sibelius
LISP : Common Music Notation, Expressive Notation
Package
Compilers : MusicTex (Tex) , LilyPond
Introduction GuidoMusicNotation GuidoLib Conclusion
The Guido library
One of its kind : embeds musical score rendering capabilities in
a stand-alone application.
C/C++
Multi-platforms (Windows, Mac, Linux)
Open-source
Introduction GuidoMusicNotation GuidoLib Conclusion
Summary
1 Introduction
Existing systems
GuidoLib
2 Guido Music Notation
3 GuidoLib
Guido Engine
Mapping
Drawing
API
4 Conclusion
Future plans
Get the Guidolib
Introduction GuidoMusicNotation GuidoLib Conclusion
Guido Music Notation
The Guido Music Notation (1997 : H. Hoos, K. Hamel) : a
musical score description language :
textual
readable
Simple musical concepts should be noted in a simple way.
Introduction GuidoMusicNotation GuidoLib Conclusion
The Guido Engine
2002 : Kai Renz.
Abstract representation (AR)
AR → AR algorithms
AR → GR conversion
GR → GR algorithms
Introduction GuidoMusicNotation GuidoLib Conclusion
Mapping
Musical time ↔ Score element ↔ Graphical position
Bounding box [x,y,w,h]
= 120 Start date
X!ÛÛÛÛÛ = 120 = 120 End date
& 44 _X!ÛÛÛÛÛÛ X!ÛÛÛÛÛÛ E!ÛÛÛÛÛÛ ‹ _X!ÛÛÛÛÛÛ X!ÛÛÛÛÛÛ E!ÛÛÛÛÛÛ ‹ X!ÛÛÛÛÛÛ X!ÛÛÛÛÛÛ XX!ÛÛÛÛÛÛ X!ÛÛÛÛÛÛ ‹ X!ÛÛÛÛÛÛ X!ÛÛÛÛÛÛ E!ÛÛÛÛÛÛ ‹
& _X!ÛÛÛÛÛÛ _X!ÛÛÛÛÛÛ E!ÛÛÛÛÛÛ ‹ _X!ÛÛÛÛÛÛ _X!ÛÛÛÛÛÛ E!ÛÛÛÛÛÛ ‹ X!ÛÛÛÛÛÛ X!ÛÛÛÛÛÛ X!ÛÛÛÛÛÛ X!ÛÛÛÛÛÛ ‹ X!ÛÛÛÛÛÛ X!ÛÛÛÛÛÛ _E!ÛÛÛÛÛÛ \
Introduction GuidoMusicNotation GuidoLib Conclusion
Multi-platform drawing
The VGSystem, a graphic device abstraction.
GDI (Windows)
Quartz (Mac OS X)
GTK (GNU Linux)
OpenGL
Qt
Introduction GuidoMusicNotation GuidoLib Conclusion
API
Documentation
Qt code example
Introduction GuidoMusicNotation GuidoLib Conclusion
Future plans
Enhance the GuidoSceneComposer’s graphical
possibilities
Support more import/export formats
Extend the score combination language