Method drawAlpher

js/colorPicker.js:317–326

()

  }

  drawAlpher() {
    this.ctxAlpha.clearRect(0, 0, this.w, 15);
    const lightGradient = this.ctxAlpha.createLinearGradient(0, 0, this.w, 0);
    lightGradient.addColorStop(0, 'rgba(255,255,255,0)');
    lightGradient.addColorStop(0.05, 'rgba(255,255,255,0)');
    lightGradient.addColorStop(0.95, this.color);
    lightGradient.addColorStop(1, this.color);
    this.ctxAlpha.fillStyle = lightGradient;
    this.ctxAlpha.fillRect(0, 0, this.w, 15);
  }
}