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Text File  |  1987-05-17  |  686 b   |  25 lines
  1. type
  2.     Rectangle_t = unknown 8,
  3.  
  4.     RegionRectangle_t = struct {
  5.     *RegionRectangle_t rr_Next, rr_Prev;
  6.     Rectangle_t rr_bounds;
  7.     },
  8.  
  9.     Region_t = struct {
  10.     Rectangle_t rg_bounds;
  11.     *RegionRectangle_t rg_RegionRectangle;
  12.     };
  13.  
  14. extern
  15.     AndRectRegion(*Region_t rg; *Rectangle_t r)void,
  16.     AndRegionRegion(*Region_t rg1, rg2)bool,
  17.     ClearRectRegion(*Region_t rg; *Rectangle_t r)bool,
  18.     ClearRegion(*Region_t rg)void,
  19.     DisposeRegion(*Region_t rg)void,
  20.     NewRegion()*Region_t,
  21.     OrRectRegion(*Region_t rg; *Rectangle_t r)bool,
  22.     OrRegionRegion(*Region_t rg1, rg2)bool,
  23.     XorRectRegion(*Region_t rg; *Rectangle_t r)bool,
  24.     XorRegionRegion(*Region_t rg1, rg2)bool;
  25.