()
| 12801 | } |
| 12802 | |
| 12803 | function getWindowHeight() { |
| 12804 | return window.innerHeight || |
| 12805 | document.documentElement && document.documentElement.clientHeight || |
| 12806 | document.body && document.body.clientHeight || |
| 12807 | 0; |
| 12808 | } |
| 12809 | |
| 12810 | /** |
| 12811 | * System variable that stores the width of the drawing canvas. This value |