deco name type glyph h wl wr [str]

Define a decoration.

This command assumes a good knowledge of the txtmus/abc2svg/abcm2ps internals.

The arguments are:

• name: name of the decoration.
  If it is the name of an existing decoration, this one is redefined.
  When this name begins with 'head-', the note head is not drawn.
• type: type of the decoration.
  The possible types are:
  • 0, 1, 2: the decoration goes near the note, possibly inside the staff.
    • 0: 'dot', 'tenuto'...
    • 1: 'slide' or decoration on a note stem (not abcm2ps).
      A decoration is drawn on a stem when the name of the glyph starts with a bar ('|').
    • 2: 'arpeggio'
  • 3, 4: the decoration goes near the note but outside the staff. It is usually printed above the staff.
    • 3: general
    • 4: below the staff
  • 5, 6, 7: the decoration is tied to the staff. It is generally printed below the staff.
    • 5: above the staff (not abcm2ps)
    • 6: dynamic marks
    • 7: below the staff (not abcm2ps)
  • 8: glissendo
  • 9: alternate head
  • 10: color of the note head (not abcm2ps). The color is the name of the decoration and glyph is ignored
• glyph: visual symbol associated to the music element.
  With abcm2ps and abc2svg, it is the name of a postscript sequence (macro) that draws the glyph.
  With txtmus and abc2svg, it may be the name of a glyph in a font, or a javascript function that draws the glyph, or a SVG element defined in a <defs>, or a class when the glyph is some text (see below).
• h: decoration height.
  It is the minimum height for !arpeggio!.
  With txtmus and abc2svg, h may contain two values separated by a comma. The first value is the ascent, the second value is the descent.
• wl and wr: left and right widths.
• str: text to display (for some glyphs - see code).
  The text may begin with '@' (at sign) followed by x and y coordinates as in annotations.
  With abcm2ps, glyph is not used. With txtmus and abc2svg, glyph is a style class that defaults to crdc. The default font is the annotationfont.
  Some classes are already internally defined: crdc (italic 14px - default definition) and dacs (bold 15px).
  @ as the class is accepted for compatibility and replaced by at.

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