VexFlow - Copyright (c) Mohit Muthanna 2010. Author Larry Kuhns 2011
import { StaveModifier } from './stavemodifier';
export class StaveSection extends StaveModifier {
static get CATEGORY() { return 'stavesection'; }
constructor(section, x, shift_y) {
super();
this.attrs.type = 'StaveSection';
this.setWidth(16);
this.section = section;
this.x = x;
this.shift_x = 0;
this.shift_y = shift_y;
this.font = {
family: 'sans-serif',
size: 12,
weight: 'bold',
};
}
getCategory() { return StaveSection.CATEGORY; }
setStaveSection(section) { this.section = section; return this; }
setShiftX(x) { this.shift_x = x; return this; }
setShiftY(y) { this.shift_y = y; return this; }
draw(stave, shift_x) {
const ctx = stave.checkContext();
ctx.save();
ctx.lineWidth = 2;
ctx.setFont(this.font.family, this.font.size, this.font.weight);
const text_width = ctx.measureText('' + this.section).width;
let width = text_width + 6; // add left & right padding
if (width < 18) width = 18;
const height = 20;Seems to be a good default y
const y = stave.getYForTopText(3) + this.shift_y;
let x = this.x + shift_x;
ctx.beginPath();
ctx.lineWidth = 2;
ctx.rect(x, y, width, height);
ctx.stroke();
x += (width - text_width) / 2;
ctx.fillText('' + this.section, x, y + 16);
ctx.restore();
return this;
}
}