33 lines
726 B
C
33 lines
726 B
C
/*
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* This file is part of the UCB release of Plan 9. It is subject to the license
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* terms in the LICENSE file found in the top-level directory of this
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* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
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* part of the UCB release of Plan 9, including this file, may be copied,
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* modified, propagated, or distributed except according to the terms contained
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* in the LICENSE file.
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*/
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#include <u.h>
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#include <lib9.h>
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#include <draw.h>
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int
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drawreplxy(int min, int max, int x)
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{
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int sx;
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sx = (x-min)%(max-min);
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if(sx < 0)
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sx += max-min;
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return sx+min;
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}
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Point
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drawrepl(Rectangle r, Point p)
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{
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p.x = drawreplxy(r.min.x, r.max.x, p.x);
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p.y = drawreplxy(r.min.y, r.max.y, p.y);
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return p;
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}
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