Add getters and checks for nullness

SDL2pp/Point.cc

@@ -19,6 +19,8 @@
   3. This notice may not be removed or altered from any source distribution.
 */
 
+#include <cassert>
+
 #include <SDL2/SDL_rect.h>
 
 #include <SDL2pp/Point.hh>
@@ -65,4 +67,18 @@ const SDL_Point* Point::Get() const {
 	return point_.get();
 }
 
+bool Point::IsNull() const {
+	return point_ == nullptr;
+}
+
+int Point::GetX() const {
+	assert(!IsNull());
+	return point_->x;
+}
+
+int Point::GetY() const {
+	assert(!IsNull());
+	return point_->y;
+}
+
 }

SDL2pp/Point.hh

@@ -54,6 +54,11 @@ public:
 
 	SDL_Point* Get();
 	const SDL_Point* Get() const;
+
+	bool IsNull() const;
+
+	int GetX() const;
+	int GetY() const;
 };
 
 }

SDL2pp/Rect.cc

@@ -19,6 +19,8 @@
   3. This notice may not be removed or altered from any source distribution.
 */
 
+#include <cassert>
+
 #include <SDL2/SDL_rect.h>
 
 #include <SDL2pp/Rect.hh>
@@ -75,4 +77,38 @@ Rect Rect::FromCenter(int cx, int cy, int w, int h) {
 	return Rect(cx - w/2, cy - h/2, cx + w - w/2, cy + h - h/2);
 }
 
+bool Rect::IsNull() const {
+	return rect_ == nullptr;
+}
+
+int Rect::GetX() const {
+	assert(!IsNull());
+	return rect_->x;
+}
+
+int Rect::GetY() const {
+	assert(!IsNull());
+	return rect_->y;
+}
+
+int Rect::GetW() const {
+	assert(!IsNull());
+	return rect_->w;
+}
+
+int Rect::GetH() const {
+	assert(!IsNull());
+	return rect_->h;
+}
+
+int Rect::GetX2() const {
+	assert(!IsNull());
+	return rect_->x + rect_->w;
+}
+
+int Rect::GetY2() const {
+	assert(!IsNull());
+	return rect_->y + rect_->h;
+}
+
 }

SDL2pp/Rect.hh

@@ -48,6 +48,15 @@ public:
 
 	SDL_Rect* Get();
 	const SDL_Rect* Get() const;
+
+	bool IsNull() const;
+
+	int GetX() const;
+	int GetY() const;
+	int GetW() const;
+	int GetH() const;
+	int GetX2() const;
+	int GetY2() const;
 };
 
 }