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25 lines
927 B
C
25 lines
927 B
C
/* ----------- rect.h ------------ */
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#ifndef RECT_H
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#define RECT_H
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typedef struct {
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int lf,tp,rt,bt;
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} DFRECT;
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#define DfWithin(p,v1,v2) ((p)>=(v1)&&(p)<=(v2))
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#define DfRectTop(r) (r.tp)
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#define DfRectBottom(r) (r.bt)
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#define DfRectLeft(r) (r.lf)
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#define DfRectRight(r) (r.rt)
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#define DfInsideRect(x,y,r) (DfWithin((x),DfRectLeft(r),DfRectRight(r))\
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&& \
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DfWithin((y),DfRectTop(r),DfRectBottom(r)))
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#define DfValidRect(r) (DfRectRight(r) || DfRectLeft(r) || \
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DfRectTop(r) || DfRectBottom(r))
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#define DfRectWidth(r) (DfRectRight(r)-DfRectLeft(r)+1)
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#define DfRectHeight(r) (DfRectBottom(r)-DfRectTop(r)+1)
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DFRECT DfSubRectangle(DFRECT, DFRECT);
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DFRECT DfClientRect(void *);
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DFRECT DfRelativeWindowRect(void *, DFRECT);
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DFRECT DfClipRectangle(void *, DFRECT);
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#endif
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