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Sonaion
2019-11-28 16:34:26 +01:00
parent bccca91111
commit a23e4bdd9c
13 changed files with 129 additions and 97 deletions
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6
IntelliPhoto/Painting/IntelliHelper/IntelliHelper.cpp
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@@ -1,9 +1,9 @@
#include"IntelliHelper.h"
#include<algorithm>
int IntelliHelper::orientation(QPoint& p1, QPoint& p2, QPoint& p3){
int value = (p2.x()-p1.x())*(p3.x()-p2.x())-
(p2.y()-p1.y())*(p3.y()-p2.y());
int IntelliHelper::orientation(QPoint& p, QPoint& q, QPoint& r){
int value = (q.y()-p.y())*(r.x()-q.x())-
(q.x()-p.x())*(r.y()-q.y());
if(value==0) return 0;
return (value>0)?1:2;
}