register_bitmap_file_type

Registers custom bitmap loading/saving functions.

Description

void register_bitmap_file_type(const char *ext, BITMAP *(*load)(const char *filename, RGB *pal), int (*save)(const char *filename, BITMAP *bmp, const RGB *pal));
Informs the load_bitmap() and save_bitmap() functions of a new file type, providing routines to read and write images in this format (either function may be NULL). The functions you supply must follow the same prototype as load_bitmap() and save_bitmap(). Example: 
      BITMAP *load_dump(const char *filename, RGB *pal)
      {
	 ...
      }



      int save_dump(const char *filename, BITMAP *bmp, const RGB *pal)
      {
	 ...
      }



	 register_bitmap_file_type("dump", load_dump, save_dump);
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