diff --git a/libs/main/math/piline.h b/libs/main/math/piline.h
index 03c489fa..f11e0701 100644
--- a/libs/main/math/piline.h
+++ b/libs/main/math/piline.h
@@ -48,12 +48,83 @@ public:
 		p1 = p1_;
 	}
 
+	PILine(Type x0, Type y0, Type x1, Type y1) {
+		p0.set(x0, y0);
+		p1.set(x1, y1);
+	}
+
+	PILine<Type> & set(const PIPoint<Type> & p0_, const PIPoint<Type> & p1_) {
+		p0 = p0_;
+		p1 = p1_;
+		return *this;
+	}
+
+	PILine<Type> & set(Type x0, Type y0, Type x1, Type y1) {
+		p0.set(x0, y0);
+		p1.set(x1, y1);
+		return *this;
+	}
+
 	bool isEmpty() const {
 		return (p0 == p1);
 	}
+
+	Type width() const {return piAbs<Type>(p1.x - p0.x);}
+	Type height() const {return piAbs<Type>(p1.y - p0.y);}
+
+	PILine<Type> & translate(Type x, Type y) {
+		p0.translate(x, y);
+		p1.translate(x, y);
+		return *this;
+	}
+	PILine<Type> & translate(const PIPoint<Type> & p) {
+		p0.translate(p);
+		p1.translate(p);
+		return *this;
+	}
+	PILine<Type> translated(Type x, Type y) const {
+		PILine<Type> l(*this);
+		l.translate(x, y);
+		return l;
+	}
+	PILine<Type> translated(const PIPoint<Type> & p) const {
+		PILine<Type> l(*this);
+		l.translate(p);
+		return l;
+	}
+	PILine<Type> & move(Type x, Type y) {return translate(x, y);}
+	PILine<Type> & move(const PIPoint<Type> & p) {return translate(p);}
+	PILine<Type> moved(Type x, Type y) const {
+		PILine<Type> l(*this);
+		l.translate(x, y);
+		return l;
+	}
+	PILine<Type> moved(const PIPoint<Type> & p) const {
+		PILine<Type> l(*this);
+		l.translate(p);
+		return l;
+	}
+
+	void operator +=(Type x) {translate(x, x);}
+	void operator +=(const PIPoint<Type> & p) {translate(p);}
+	void operator -=(Type x) {translate(-x, -x);}
+	void operator -=(const PIPoint<Type> & p) {translate(-p);}
+	PILine<Type> operator +(const PIPoint<Type> & p) {return  translated(p);}
+	PILine<Type> operator -(const PIPoint<Type> & p) {return  translated(-p);}
+	bool operator ==(const PILine<Type> & r) const {return (p0 == r.p0 && p1 == r.p1);}
+	bool operator !=(const PILine<Type> & r) const {return (p1 != r.p1 || p1 != r.p1);}
 };
 
 
+
+template<typename Type>
+PICout operator <<(PICout & s, const PILine<Type> & v) {
+	s.setControl(0, true);
+	s << "Line{" << v.p0 << ", " << v.p1 << "}";
+	s.restoreControl();
+	return s;
+}
+
 typedef PILine<int> PILinei;
 typedef PILine<uint> PILineu;
 typedef PILine<float> PILinef;