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lib/ChordPro/res/abc/abc2svg/grid3-1.js  view on Meta::CPAN

		while (1) {
			cl = cells[nr][i++]
			if (!cl)
				break
			if (cl.length == 2) {
				cl[2] = cl[1]	// "| A B |" => "|A - B|"
				cl[1] = ''
			}
			w = abc.strwh(cl.join(''))[0]
			if (w > wc)
				wc = w
		}
		nr++
	}
	wc += abc.strwh('  ')[0]

	// build the grid and insert it in the music
	build_grid()
	abc.blk_flush()
    }, // block_gen()

// handle %%begingrid
    do_begin_end: function(of, type, opt, txt) {
    var	i, s, v,
	lm = -1,		// left margin - default: center the grid
	width			// grid width - default: computed

	if (type != "grid") {
		of(type, opt, txt)
		return
	}

	// replace the accidentals
	txt = txt.replace(/#|=|b/g,
		function(x) {
			switch (x) {
			case '#': return "\u266f"
			case '=': return "\u266e"
//			case 'b': return "\u266d"
			}
			return "\u266d"
		})

	opt = opt.trim().split(/\s+/)
	while (1) {
		i = opt.shift()
		if (!i)
			break
		switch (i[0]) {
		case 'c':			// chord-define
			this.cfmt().csdef = txt
			break
		case 'n':			// noprint
			type = ""
			break
		case 'l':			// lm=..
		case 'w':			// width=..
			v = i.match(/-?[\d.]+.?.?/)
			if (v) {
				v = this.get_unit(v[0])
				if (!isNaN(v)) {
					if (i[0] == 'l')
						lm = v
					else
						width = v
				}
			}
			break
		}
	}

	if (type) {
		type += "3"
		if (this.get_parse().state >= 2) {
			s = this.new_block(type)
			s.text = txt
			s.lm = lm
			s.width = width
		} else {
			abc2svg.grid3.block_gen.call(this, null, {
						subtype: type,
						text: txt,
						lm: lm,
						width: width
						})
		}
	}
    }, // do_begin_end()

    output_music: function(of) {
    var	ln, i, dt, ss, ntim, p_vc, s3, cl,
	C = abc2svg.C,
	abc = this,
	s = abc.get_tsfirst(),
	vt = abc.get_voice_tb(),
	t = abc.cfmt().csdef,
	cs = []

	// add a chord symbol
	function add_cs(ss, ch) {
	    var	s = {			// invisible rest in the voice "grid3"
			type: C.REST,
			fname: ss.fname,
			istart: ss.istart,
			iend: ss.iend,
			v: p_vc.v,
			p_v: p_vc,
			time: ntim,
			st: 0,
			fmt: ss.fmt,
			dur: 0,
			dur_orig: 0,
			invis: true,
			seqst: true,
			nhd: 0,
			notes: [{
				pit: 18,
				dur: 0
			}]
		}