| <canvas id="canvas" width="100" height="100"></canvas> |
| <script> |
| var canvas = document.getElementById('canvas'); |
| var ctx = canvas.getContext('2d'); |
| var canvas2 = document.createElement('canvas'); |
| canvas2.width = 20; |
| canvas2.height = 20; |
| var ctx2 = canvas2.getContext('2d'); |
| |
| ctx2.fillStyle = '#00f'; |
| ctx2.fillRect(0, 0, 10, 10); |
| ctx2.fillStyle = '#0f0'; |
| ctx2.fillRect(0, 10, 10, 10); |
| ctx2.fillStyle = '#f00'; |
| ctx2.fillRect(10, 0, 10, 10); |
| ctx2.fillStyle = '#ff0'; |
| ctx2.fillRect(10, 10, 10, 10); |
| |
| var pattern = ctx.createPattern(canvas2, 'repeat'); |
| ctx.fillStyle = pattern; |
| ctx.fillRect(0, 0, canvas.width, canvas.height); |
| ctx.fillStyle = '#f0f'; |
| ctx.fillRect(40, 40, 20, 20); |
| </script> |