Add Point and Rect setters

While here, fix Rect::GetX2 and Rect::GetY2 off-by-one errors

SDL2pp/Point.cc

@@ -76,9 +76,19 @@ int Point::GetX() const {
 	return point_->x;
 }
 
+void Point::SetX(int x) {
+	assert(!IsNull());
+	point_->x = x;
+}
+
 int Point::GetY() const {
 	assert(!IsNull());
 	return point_->y;
 }
 
+void Point::SetY(int y) {
+	assert(!IsNull());
+	point_->y = y;
+}
+
 }

SDL2pp/Point.hh

@@ -62,7 +62,10 @@ public:
 	bool IsNull() const;
 
 	int GetX() const;
+	void SetX(int x);
+
 	int GetY() const;
+	void SetY(int y);
 };
 
 }

SDL2pp/Rect.cc

@@ -86,29 +86,59 @@ int Rect::GetX() const {
 	return rect_->x;
 }
 
+void Rect::SetX(int x) {
+	assert(!IsNull());
+	rect_->x = x;
+}
+
 int Rect::GetY() const {
 	assert(!IsNull());
 	return rect_->y;
 }
 
+void Rect::SetY(int y) {
+	assert(!IsNull());
+	rect_->y = y;
+}
+
 int Rect::GetW() const {
 	assert(!IsNull());
 	return rect_->w;
 }
 
+void Rect::SetW(int w) {
+	assert(!IsNull());
+	rect_->w = w;
+}
+
 int Rect::GetH() const {
 	assert(!IsNull());
 	return rect_->h;
 }
 
+void Rect::SetH(int h) {
+	assert(!IsNull());
+	rect_->h = h;
+}
+
 int Rect::GetX2() const {
 	assert(!IsNull());
-	return rect_->x + rect_->w;
+	return rect_->x + rect_->w - 1;
+}
+
+void Rect::SetX2(int x2) {
+	assert(!IsNull());
+	rect_->w = x2 - rect_->x + 1;
 }
 
 int Rect::GetY2() const {
 	assert(!IsNull());
-	return rect_->y + rect_->h;
+	return rect_->y + rect_->h - 1;
+}
+
+void Rect::SetY2(int y2) {
+	assert(!IsNull());
+	rect_->h = y2 - rect_->y + 1;
 }
 
 }

SDL2pp/Rect.hh

@@ -54,11 +54,22 @@ public:
 	bool IsNull() const;
 
 	int GetX() const;
+	void SetX(int x);
+
 	int GetY() const;
+	void SetY(int y);
+
 	int GetW() const;
+	void SetW(int w);
+
 	int GetH() const;
+	void SetH(int h);
+
 	int GetX2() const;
+	void SetX2(int x2);
+
 	int GetY2() const;
+	void SetY2(int y2);
 };
 
 }