|surface_id||The ID of the surface to get the width of.|
This function simply returns the width, in pixels, of the
NOTE: When working with surfaces there is the possibility that they can cease to exist at any time due to them being stored in texture memory. You should ALWAYS check that a surface exists using surface_exists before referencing them directly. For further information see Surfaces.
sw = surface_get_width(surf);
The above code will store the width of the surface indexed in the variable "surf" in the variable "sw".