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25 lines
873 B
C
25 lines
873 B
C
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/* ----------- 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 within(p,v1,v2) ((p)>=(v1)&&(p)<=(v2))
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#define RectTop(r) (r.tp)
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#define RectBottom(r) (r.bt)
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#define RectLeft(r) (r.lf)
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#define RectRight(r) (r.rt)
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#define InsideRect(x,y,r) (within((x),RectLeft(r),RectRight(r))\
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&& \
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within((y),RectTop(r),RectBottom(r)))
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#define ValidRect(r) (RectRight(r) || RectLeft(r) || \
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RectTop(r) || RectBottom(r))
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#define RectWidth(r) (RectRight(r)-RectLeft(r)+1)
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#define RectHeight(r) (RectBottom(r)-RectTop(r)+1)
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DFRECT subRectangle(DFRECT, DFRECT);
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DFRECT ClientRect(void *);
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DFRECT RelativeWindowRect(void *, DFRECT);
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DFRECT ClipRectangle(void *, DFRECT);
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#endif
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