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rio: rewrite better portion() function

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This commit is contained in:
cinap_lenrek 2020-12-06 13:20:29 +01:00
parent f5d9b2222b
commit 082560fd5b
1 changed files with 7 additions and 8 deletions
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15
sys/src/cmd/rio/rio.c
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@ -392,16 +392,15 @@ whichrect(Rectangle r, Point p, int which)
int
portion(int x, int lo, int hi)
{
int t;
x -= lo;
hi -= lo;
t = min(20, max(1, hi/2));
if(hi < t)
return x > 0 ? 2 : 0;
if(x < t)
return 0;
if(x > hi-t)
return 2;
if(x < hi/2){
if(x < 20)
return 0;
} else {
if(x > hi-20)
return 2;
}
return 1;
}