Add various Rect constructors

SDL2pp/Rect.cc

@@ -39,6 +39,13 @@ Rect::Rect(const SDL_Rect& rect) {
 	h = rect.h;
 }
 
+Rect::Rect(const Point& corner, const Point& size) {
+	x = corner.x;
+	y = corner.y;
+	w = size.x;
+	h = size.y;
+}
+
 Rect::Rect(int nx, int ny, int nw, int nh) {
 	x = nx;
 	y = ny;
@@ -71,6 +78,18 @@ Rect Rect::FromCenter(int cx, int cy, int w, int h) {
 	return Rect(cx - w/2, cy - h/2, w, h);
 }
 
+Rect Rect::FromCenter(const Point& center, const Point& size) {
+	return Rect(center - size / 2, size);
+}
+
+Rect Rect::FromCorners(int x1, int y1, int x2, int y2) {
+	return Rect(x1, y1, x2 - x1 + 1, y2 - y1 + 1);
+}
+
+Rect Rect::FromCorners(const Point& p1, const Point& p2) {
+	return Rect(p1, p2 - p1 + Point(1, 1));
+}
+
 bool Rect::IsNull() const {
 	return false;
 }

SDL2pp/Rect.hh

@@ -66,6 +66,15 @@ public:
 	////////////////////////////////////////////////////////////
 	Rect(const SDL_Rect& rect);
 
+	////////////////////////////////////////////////////////////
+	/// \brief Construct the rect from given corner coordinates, and size
+	///
+	/// \param corner Coordinates of the top left rectangle corner
+	/// \param size Dimensions of the rectangle
+	///
+	////////////////////////////////////////////////////////////
+	Rect(const Point& corner, const Point& size);
+
 	////////////////////////////////////////////////////////////
 	/// \brief Construct the rect from given corner coordinates, width and height
 	///
@@ -90,6 +99,35 @@ public:
 	////////////////////////////////////////////////////////////
 	static Rect FromCenter(int cx, int cy, int w, int h);
 
+	////////////////////////////////////////////////////////////
+	/// \brief Construct the rect from given center coordinates and size
+	///
+	/// \param center Coordinates of the rectangle center
+	/// \param size Dimensions of the rectangle
+	///
+	////////////////////////////////////////////////////////////
+	static Rect FromCenter(const Point& center, const Point& size);
+
+	////////////////////////////////////////////////////////////
+	/// \brief Construct the rect from given center coordinates, width and height
+	///
+	/// \param x1 X coordinate of the top left rectangle corner
+	/// \param y1 Y coordinate of the top left rectangle corner
+	/// \param x2 X coordinate of the bottom right rectangle corner
+	/// \param y2 Y coordinate of the bottom right rectangle corner
+	///
+	////////////////////////////////////////////////////////////
+	static Rect FromCorners(int x1, int y1, int x2, int y2);
+
+	////////////////////////////////////////////////////////////
+	/// \brief Construct the rect from given center coordinates and size
+	///
+	/// \param p1 Coordinates of the top left rectangle corner
+	/// \param p2 Coordinates of the bottom right rectangle corner
+	///
+	////////////////////////////////////////////////////////////
+	static Rect FromCorners(const Point& p1, const Point& p2);
+
 	////////////////////////////////////////////////////////////
 	/// \brief Copy constructor
 	///