2 NtGdiUnionRect(PRECT Dest, const RECT* Src1, const RECT* Src2);
4 NtGdiSetRect(PRECT Rect, int left, int top, int right, int bottom);
6 NtGdiSetEmptyRect(PRECT Rect);
8 NtGdiIsEmptyRect(const RECT* Rect);
10 NtGdiIntersectRect(PRECT Dest, const RECT* Src1, const RECT* Src2);
12 NtGdiOffsetRect(LPRECT Rect, int x, int y);