Make setters return reference to self: Point and Rect

SDL2pp/Point.cc

@@ -50,16 +50,18 @@ int Point::GetX() const {
 	return x;
 }
 
-void Point::SetX(int nx) {
+Point& Point::SetX(int nx) {
 	x = nx;
+	return *this;
 }
 
 int Point::GetY() const {
 	return y;
 }
 
-void Point::SetY(int ny) {
+Point& Point::SetY(int ny) {
 	y = ny;
+	return *this;
 }
 
 Point Point::operator+(const Point& other) const {

SDL2pp/Point.hh

@@ -129,8 +129,10 @@ public:
 	///
 	/// \param[in] nx New X coordinate value
 	///
+	/// \returns Reference to self
+	///
 	////////////////////////////////////////////////////////////
-	void SetX(int nx);
+	Point& SetX(int nx);
 
 	////////////////////////////////////////////////////////////
 	/// \brief Get Y coordinate of the point
@@ -145,8 +147,10 @@ public:
 	///
 	/// \param[in] ny New Y coordinate value
 	///
+	/// \returns Reference to self
+	///
 	////////////////////////////////////////////////////////////
-	void SetY(int ny);
+	Point& SetY(int ny);
 
 	////////////////////////////////////////////////////////////
 	/// \brief Get point's memberwise addition with another point

SDL2pp/Rect.cc

@@ -84,31 +84,34 @@ int Rect::GetX() const {
 	return x;
 }
 
-void Rect::SetX(int nx) {
+Rect& Rect::SetX(int nx) {
 	x = nx;
+	return *this;
 }
 
 int Rect::GetY() const {
 	return y;
 }
 
-void Rect::SetY(int ny) {
+Rect& Rect::SetY(int ny) {
 	y = ny;
+	return *this;
 }
 
 int Rect::GetW() const {
 	return w;
 }
 
-void Rect::SetW(int nw) {
+Rect& Rect::SetW(int nw) {
 	w = nw;
+	return *this;
 }
 
 int Rect::GetH() const {
 	return h;
 }
 
-void Rect::SetH(int nh) {
+Rect& Rect::SetH(int nh) {
 	h = nh;
 }
 
@@ -116,16 +119,18 @@ int Rect::GetX2() const {
 	return x + w - 1;
 }
 
-void Rect::SetX2(int x2) {
+Rect& Rect::SetX2(int x2) {
 	w = x2 - x + 1;
+	return *this;
 }
 
 int Rect::GetY2() const {
 	return y + h - 1;
 }
 
-void Rect::SetY2(int y2) {
+Rect& Rect::SetY2(int y2) {
 	h = y2 - y + 1;
+	return *this;
 }
 
 bool Rect::Contains(int px, int py) const {

SDL2pp/Rect.hh

@@ -186,8 +186,10 @@ public:
 	///
 	/// \param[in] nx New X coordinate value
 	///
+	/// \returns Reference to self
+	///
 	////////////////////////////////////////////////////////////
-	void SetX(int nx);
+	Rect& SetX(int nx);
 
 	////////////////////////////////////////////////////////////
 	/// \brief Get Y coordinate of the rect corner
@@ -202,8 +204,10 @@ public:
 	///
 	/// \param[in] ny New Y coordinate value
 	///
+	/// \returns Reference to self
+	///
 	////////////////////////////////////////////////////////////
-	void SetY(int ny);
+	Rect& SetY(int ny);
 
 	////////////////////////////////////////////////////////////
 	/// \brief Get width of the rect
@@ -218,8 +222,10 @@ public:
 	///
 	/// \param[in] nw New width of the rect
 	///
+	/// \returns Reference to self
+	///
 	////////////////////////////////////////////////////////////
-	void SetW(int nw);
+	Rect& SetW(int nw);
 
 	////////////////////////////////////////////////////////////
 	/// \brief Get height of the rect
@@ -234,8 +240,10 @@ public:
 	///
 	/// \param[in] nh New height of the rect
 	///
+	/// \returns Reference to self
+	///
 	////////////////////////////////////////////////////////////
-	void SetH(int nh);
+	Rect& SetH(int nh);
 
 	////////////////////////////////////////////////////////////
 	/// \brief Get X coordinate of the rect second corner
@@ -250,8 +258,10 @@ public:
 	///
 	/// \param[in] x2 New X coordinate value
 	///
+	/// \returns Reference to self
+	///
 	////////////////////////////////////////////////////////////
-	void SetX2(int x2);
+	Rect& SetX2(int x2);
 
 	////////////////////////////////////////////////////////////
 	/// \brief Get Y coordinate of the rect second corner
@@ -270,8 +280,10 @@ public:
 	///
 	/// This modifies rectangle height internally
 	///
+	/// \returns Reference to self
+	///
 	////////////////////////////////////////////////////////////
-	void SetY2(int y2);
+	Rect& SetY2(int y2);
 
 	////////////////////////////////////////////////////////////
 	/// \brief Check whether the rect contains given point