Added overlap rect utility

Scott Klum
1 parent cef788a8
Showing 2 changed files with 9 additions and 0 deletions
openbr/core/qtutils.cpp
openbr/core/qtutils.h
@@ -478,5 +478,11 @@ float euclideanLength(const QPointF &amp;point)
     return sqrt(pow(point.x(), 2) + pow(point.y(), 2));
 }
  
+float overlap(const QRectF &r, const QRectF &s) {
+    QRectF intersection = r & s;
+
+    return (intersection.width()*intersection.height())/(r.width()*r.height());
+}
+
 }  // namespace QtUtils
  
@@ -89,6 +89,9 @@ namespace QtUtils
  
     /**** Point Utilities ****/
     float euclideanLength(const QPointF &point);
+
+    /**** Rect Utilities ****/
+    float overlap(const QRectF &r, const QRectF &s);
 }
  
 #endif // QTUTILS_QTUTILS_H