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lib/ChordPro/res/abc/abc2svg/swing-1.js  view on Meta::CPAN

			 || !s.dur) {
				if (s.a_meter)
					set_dur(s)
				continue
			}
			if ((s.time + anac - a_dur[0]) % beat
			 && (s.time + anac - a_dur[1]) % beat) {
				s2 = s
				continue
			}
			if (s2 && s2.time + s2.dur == s.time) {
				d = s2.dur - (s2.time + s2.dur) % beat + sw[0] * beat
				s2.dur = d
				for (m = 0; m < s.nhd; m++)
					s2.notes[m].dur = d
			}
			d = s.time + s.dur
			s.time = ((s.time / beat | 0) + sw[0] + sw[1]) * beat
			if (s.dur > beat / 2 || s.ti1)
				d -= s.time
			else
				d = sw[2] * beat
			s.dur = d
			for (m = 0; m < s.nhd; m++)
				s.notes[m].dur = d
			s2 = s
		}
	}
    }, // swing()

    set_fmt: function(of, cmd, parm) {
    var	parse, sw, curvoice, i, s

	if (cmd == "playswing") {
		parse = this.get_parse(),
		curvoice = this.get_curvoice()
		sw = /(\d+)\s+(\d+)\s+(\d+)/.exec(parm)

		if (sw) {
			sw = sw.splice(1)
			if (+sw[0] + +sw[1] + +sw[2] > 100)
				return abc.syntax(1, "playswing greater than 100%")
			for (i = 0; i < 3; i++)
				sw[i] = +sw[i] / 100
		}
		if (parse.state >= 2) {
			s = this.new_block("swing")
			s.play = s.invis = 1 //true
			s.sw = sw
			if (sw)
				curvoice.swing = 1 //true
		} else {
			this.cfmt().swing = sw
		}
		return
	}
	of(cmd, parm)
    }, // set_fmt()

    set_hooks: function(abc) {
	abc.set_format = abc2svg.swing.set_fmt.bind(abc, abc.set_format)
    }
} // swing

if (!abc2svg.mhooks)
	abc2svg.mhooks = {}
abc2svg.mhooks.swing = abc2svg.swing.set_hooks