(_sig)
| 24 | |
| 25 | // adds a signature to the top left corner of the canvas |
| 26 | const signImage = (_sig) => { |
| 27 | ctx.fillStyle = "#000000"; |
| 28 | ctx.font = "bold 30pt Courier"; |
| 29 | ctx.textBaseline = "top"; |
| 30 | ctx.textAlign = "left"; |
| 31 | ctx.fillText(_sig, 40, 40); |
| 32 | }; |
| 33 | |
| 34 | // generate a random color hue |
| 35 | const genColor = () => { |