class FillStyleLinearGradient { constructor(x0, y0, x1, y1) { this._start_pos = { _x: x0, _y: y0 }; this._end_pos = { _x: x1, _y: y1 }; this._stop_count = 0; this._stops = [0, 0, 0, 0, 0]; } addColorStop = function (pos, color) { if (this._stop_count < 5 && 0.0 <= pos && pos <= 1.0) { this._stops[this._stop_count] = { _pos: pos, _color: color }; this._stop_count++; } } } export default FillStyleLinearGradient;