Backgrounds
The following functions will give you information about a background:
background_exists(ind) Returns whether a background with the given index exists. background_get_name(ind) Returns the name of the background with the given index. background_get_width(ind) Returns the width of the background with the given index. background_get_height(ind) Returns the height of the background with the given index. background_get_transparent(ind) Returns whether the background with the given index is transparent. background_get_smooth(ind) Returns whether the background with the given index has smoothed edges. background_get_preload(ind) Returns whether the background with the given index must be preloaded.In certain situations you might want to save the bitmap corresponding the background to a file. For this the following function can be used:
background_save(ind,fname) Saves the background ind to the file with the name fname. This must be a .bmp file. Only available in the Pro Edition.
Contributor: Mark Overmars

Related: background resources,