rosapps/dflat32/rect.h

   1 /* ----------- rect.h ------------ */
   2 #ifndef RECT_H
   3 #define RECT_H
   4
   5 typedef struct    {
   6     int lf,tp,rt,bt;
   7 } DFRECT;
   8 #define DfWithin(p,v1,v2)   ((p)>=(v1)&&(p)<=(v2))
   9 #define DfRectTop(r)        (r.tp)
  10 #define DfRectBottom(r)     (r.bt)
  11 #define DfRectLeft(r)       (r.lf)
  12 #define DfRectRight(r)      (r.rt)
  13 #define DfInsideRect(x,y,r) (DfWithin((x),DfRectLeft(r),DfRectRight(r))\
  14                                &&                              \
  15                           DfWithin((y),DfRectTop(r),DfRectBottom(r)))
  16 #define DfValidRect(r)      (DfRectRight(r) || DfRectLeft(r) || \
  17                            DfRectTop(r) || DfRectBottom(r))
  18 #define DfRectWidth(r)      (DfRectRight(r)-DfRectLeft(r)+1)
  19 #define DfRectHeight(r)     (DfRectBottom(r)-DfRectTop(r)+1)
  20 DFRECT DfSubRectangle(DFRECT, DFRECT);
  21 DFRECT DfClientRect(void *);
  22 DFRECT DfRelativeWindowRect(void *, DFRECT);
  23 DFRECT DfClipRectangle(void *, DFRECT);
  24 #endif