| Parameter | Type | Description | Example |
|---|
| Parameter | Type | Description | Example |
|---|---|---|---|
| object | The coordinates of the vertex. | ||
| X | long | The distance between the X coordinate of the vertex and the left end. Unit: pixel. | 10 |
| Y | long | The distance between the Y coordinate of the vertex and the top end. Unit: pixel. | 10 |
