Implement Width/Height/Size getters for Texture and Surface

SDL2pp/Surface.cc

@@ -193,4 +193,16 @@ void Surface::FillRects(const Rect* rects, int count, Uint32 color) {
 		throw Exception("SDL_FillRects failed");
 }
 
+int Surface::GetWidth() const {
+	return surface_->w;
+}
+
+int Surface::GetHeight() const {
+	return surface_->h;
+}
+
+Point Surface::GetSize() const {
+	return Point(surface_->w, surface_->h);
+}
+
 }

SDL2pp/Surface.hh

@@ -28,6 +28,7 @@
 #include <SDL2pp/Config.hh>
 #include <SDL2pp/Optional.hh>
 #include <SDL2pp/Rect.hh>
+#include <SDL2pp/Point.hh>
 
 struct SDL_Surface;
 struct SDL_PixelFormat;
@@ -479,6 +480,30 @@ public:
 	///
 	////////////////////////////////////////////////////////////
 	void FillRects(const Rect* rects, int count, Uint32 color);
+
+	////////////////////////////////////////////////////////////
+	/// \brief Get surface width
+	///
+	/// \return Surface width in pixels
+	///
+	////////////////////////////////////////////////////////////
+	int GetWidth() const;
+
+	////////////////////////////////////////////////////////////
+	/// \brief Get surface height
+	///
+	/// \return Surface height in pixels
+	///
+	////////////////////////////////////////////////////////////
+	int GetHeight() const;
+
+	////////////////////////////////////////////////////////////
+	/// \brief Get surface size
+	///
+	/// \return SDL2pp::Point representing surface dimensions in pixels
+	///
+	////////////////////////////////////////////////////////////
+	Point GetSize() const;
 };
 
 }

SDL2pp/Texture.cc

@@ -140,4 +140,11 @@ int Texture::GetHeight() const {
 	return h;
 }
 
+Point Texture::GetSize() const {
+	int w, h;
+	if (SDL_QueryTexture(texture_, nullptr, nullptr, &w, &h) != 0)
+		throw Exception("SDL_QueryTexture failed");
+	return Point(w, h);
+}
+
 }

SDL2pp/Texture.hh

@@ -389,6 +389,18 @@ public:
 	///
 	////////////////////////////////////////////////////////////
 	int GetHeight() const;
+
+	////////////////////////////////////////////////////////////
+	/// \brief Get texture image size
+	///
+	/// \return SDL2pp::Point representing texture dimensions in pixels
+	///
+	/// \throws SDL2pp::Exception
+	///
+	/// \see http://wiki.libsdl.org/SDL_QueryTexture
+	///
+	////////////////////////////////////////////////////////////
+	Point GetSize() const;
 };
 
 }