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

			item = line[i++]	// [ align, string, height ]
			if (!item)
				break
			align = item[0]
			h = item[2] * 1.1
			if (y < h)
				y = h
			yb[align] = item[2]
		}
		ya.l += y - yb.l
		ya.c += y - yb.c
		ya.r += y - yb.r
		while (1) {
			item = line.shift()
			if (!item)
				break
			align = item[0]
			p = item[1]
			h = item[2] * 1.1
			x = xa[align]
			y = ya[align] + h
			yd = y - item[2] * .22	// descent
			abc.out_svg('<text class="'
				+ abc.font_class(hfnt)
				+ '" x="')
			abc.out_sxsy(x, '" y="', -yd)
			if (align == 'c')
				abc.out_svg('" text-anchor="middle')
			else if (align == 'r')
				abc.out_svg('" text-anchor="end')
			abc.out_svg('">' + p + '</text>\n')
			ya[align] = y
		}
		if (ya.c > ya.l)
			ya.l = ya.c
		if (ya.r > ya.l)
			ya.l = ya.r
		ya.c = ya.r = ya.l
	} // out()

	// convert a string containing info fields ($x)
	// and return [ align, string, height ]
	function cnv(p) {
	    var	c, j, t, fntnam, fnt, wh, nfnt,
		h = 0,
		i = 0,
		l = 0,
		o = ""

		while (1) {
			c = p[i++]
			if (!c)
				break
			if (c != '$') {
				if (!o)
					h = hfnt.size * 1.1
				o += c
				continue
			}
			if (p[i] < 'A' || p[i] > 'Z') {
				if (isNaN(+p[i]))
					o += c
				else
					nfnt = +p[i++]
				continue
			}
			c = p[i++]			// info letter
			if (!info[c])
				continue		// return?
			j = info_nb[c] || 0
			info_nb[c] = j + 1
			t = info[c].split('\n')[j]	// info value
			if (!t)
				continue		// return?
			fntnam = abc2svg.tunhd.info_fnt[c] || "history"
			fnt = abc.get_font(fntnam)
			switch (c) {
			case 'P':
				t = cfmt.partname ? abc.part_seq(c) : info.P
				break
			case 'Q':
				abc.set_width(glovar.tempo)
				t = glovar.tempo.tempo_str
				glovar.tempo.invis = 1 //true
				break
			case 'T':
				if (j)
					fnt = abc.get_font("subtitle")
				break
			default:
				t = info[c].split('\n')[j]
				break
			}
			if (fnt != hfnt || nfnt) {
				if (nfnt)
					fnt = abc.get_font("u" + nfnt)
				abc.set_font(fnt)
			}
			if (c == 'Q') {			// string already formatted
				wh = glovar.tempo.tempo_wh
			} else {
				t = abc.str2svg(t)
				wh = t.wh
			}
			if (fnt != hfnt)
				t = '<tspan class="' + abc.font_class(fnt)
					+ '">' + t + '</tspan>'
			if (wh[1] > h)
				h = wh[1]
			o += t
		}
		if (!o)
			return
		return [ align, o, h]
	} // cnv()

	abc.set_font(hfnt)
	while (1) {
		while (p[i] == ' ')
			i++
		c = p[i++]