From e5c74863f0f11b867645d99824a0c681d327491d Mon Sep 17 00:00:00 2001
From: Dmitry Marakasov <amdmi3@amdmi3.ru>
Date: Thu, 15 Jan 2015 17:12:46 +0300
Subject: [PATCH] Implement Renderer Output size getters

---
 SDL2pp/Renderer.cc | 21 +++++++++++++++++++++
 SDL2pp/Renderer.hh | 36 ++++++++++++++++++++++++++++++++++++
 2 files changed, 57 insertions(+)

diff --git a/SDL2pp/Renderer.cc b/SDL2pp/Renderer.cc
index d057ec2..1322420 100644
--- a/SDL2pp/Renderer.cc
+++ b/SDL2pp/Renderer.cc
@@ -285,4 +285,25 @@ void Renderer::GetDrawColor(Uint8& r, Uint8& g, Uint8& b, Uint8& a) const {
 		throw Exception("SDL_GetRenderDrawColor failed");
 }
 
+Point Renderer::GetOutputSize() const {
+	int w, h;
+	if (SDL_GetRendererOutputSize(renderer_, &w, &h) != 0)
+		throw Exception("SDL_GetRendererOutputSize failed");
+	return Point(w, h);
+}
+
+int Renderer::GetOutputWidth() const {
+	int w;
+	if (SDL_GetRendererOutputSize(renderer_, &w, nullptr) != 0)
+		throw Exception("SDL_GetRendererOutputSize failed");
+	return w;
+}
+
+int Renderer::GetOutputHeight() const {
+	int h;
+	if (SDL_GetRendererOutputSize(renderer_, nullptr, &h) != 0)
+		throw Exception("SDL_GetRendererOutputSize failed");
+	return h;
+}
+
 }
diff --git a/SDL2pp/Renderer.hh b/SDL2pp/Renderer.hh
index 0bb0f9e..807d569 100644
--- a/SDL2pp/Renderer.hh
+++ b/SDL2pp/Renderer.hh
@@ -659,6 +659,42 @@ public:
 	///
 	////////////////////////////////////////////////////////////
 	void GetDrawColor(Uint8& r, Uint8& g, Uint8& b, Uint8& a) const;
+
+	////////////////////////////////////////////////////////////
+	/// \brief Get the output size of a rendering context
+	///
+	/// \returns Point representing output size
+	///
+	/// \throws SDL2pp::Exception
+	///
+	/// \see http://wiki.libsdl.org/SDL_GetRendererOutputSize
+	///
+	////////////////////////////////////////////////////////////
+	Point GetOutputSize() const;
+
+	////////////////////////////////////////////////////////////
+	/// \brief Get the output width of a rendering context
+	///
+	/// \returns Output width
+	///
+	/// \throws SDL2pp::Exception
+	///
+	/// \see http://wiki.libsdl.org/SDL_RenderGetClipRect
+	///
+	////////////////////////////////////////////////////////////
+	int GetOutputWidth() const;
+
+	////////////////////////////////////////////////////////////
+	/// \brief Get the output height of a rendering context
+	///
+	/// \returns Output height
+	///
+	/// \throws SDL2pp::Exception
+	///
+	/// \see http://wiki.libsdl.org/SDL_RenderGetClipRect
+	///
+	////////////////////////////////////////////////////////////
+	int GetOutputHeight() const;
 };
 
 }