Function clipArea

src/helpers/helpers.canvas.ts:328–333

(ctx: CanvasRenderingContext2D, area: TRBL)

}

export function clipArea(ctx: CanvasRenderingContext2D, area: TRBL) {
  ctx.save();
  ctx.beginPath();
  ctx.rect(area.left, area.top, area.right - area.left, area.bottom - area.top);
  ctx.clip();
}

export function unclipArea(ctx: CanvasRenderingContext2D) {
  ctx.restore();