This function offsets the specified region by dx along the X axis and by dy along the Y axis.
| Type | Name | Description |
|---|---|---|
| GR_REGION_ID | region | The ID of the region to offset. |
| GR_SIZE | dx | The X distance, in pixels, to offset the region. |
| GR_SIZE | dy | The Y distance, in pixels, to offset the region. |