TPosition Class Reference

Represents a MusicXML position entity. More...

#include <common.h>

List of all members.

Public Types
enum	{   undefined = 0, defaultx = 1, defaulty, relativex,   relativey, last = relativey }
Public Member Functions
virtual void	accept (TScoreVisitor &visitor)
void	set (int pos, long val)
long	get (int pos) const
Static Public Member Functions
const string	xmlpos (int d)
	convert an integer position to a MusicXML string
int	xmlpos (const string str)
	convert an MusicXML string to an integer position

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Detailed Description

The position attributes are based on MuseData print suggestions. For most elements, any program will compute a default x and y position. The position attribute lets this be changed two ways. The default-x and default-y attributes change the computation of the default position. The origin becomes the left-hand side of the note or the musical position within the bar (x) and the top line of the staff (y). The relative-x and relative-y attributes change the position relative to the default position, either as computed by the individual program, or as overridden by the default-x and default-y attributes.
Positive x is right, negative x is left; positive y is up, negative y is down. All units are in tenths of interline space. Positions can be applied to notes, notations, directions, and stems. For stems, positive y lengthens a stem while negative y shortens it. Negative values for default-y are not allowed.
position is defined in common.dtd

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