This function sets the clipping region for the specified graphics context to the specified region. Subsequent drawing functions will not draw beyond the limits of the clipping region.
| Type | Name | Description |
|---|---|---|
| GR_GC_ID | gc | The ID of the graphics context to set the clipping region of. |
| GR_REGION_ID | region | The ID of the region to use, 0 to set no clipping region. |