Implement some Texture getters

SDL2pp/Texture.cc

@@ -1,6 +1,6 @@
 /*
   libSDL2pp - C++11 bindings/wrapper for SDL2
-  Copyright (C) 2013-2014 Dmitry Marakasov <amdmi3@amdmi3.ru>
+  Copyright (C) 2013-2015 Dmitry Marakasov <amdmi3@amdmi3.ru>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -147,4 +147,23 @@ Point Texture::GetSize() const {
 	return Point(w, h);
 }
 
+Uint8 Texture::GetAlphaMod() const {
+	Uint8 alpha;
+	if (SDL_GetTextureAlphaMod(texture_, &alpha) != 0)
+		throw Exception("SDL_GetTextureAlphaMod failed");
+	return alpha;
+}
+
+SDL_BlendMode Texture::GetBlendMode() const {
+	SDL_BlendMode mode;
+	if (SDL_GetTextureBlendMode(texture_, &mode) != 0)
+		throw Exception("SDL_GetTextureBlendMode failed");
+	return mode;
+}
+
+void Texture::GetColorMod(Uint8& r, Uint8& g, Uint8 &b) const {
+	if (SDL_GetTextureColorMod(texture_, &r, &g, &b) != 0)
+		throw Exception("SDL_GetTextureBlendMode failed");
+}
+
 }

SDL2pp/Texture.hh

@@ -425,6 +425,44 @@ public:
 	///
 	////////////////////////////////////////////////////////////
 	Point GetSize() const;
+
+	////////////////////////////////////////////////////////////
+	/// \brief Get the additional alpha value multiplied into render copy operations
+	///
+	/// \return Current alpha value
+	///
+	/// \throws SDL2pp::Exception
+	///
+	/// \see http://wiki.libsdl.org/SDL_GetTextureAlphaMod
+	///
+	////////////////////////////////////////////////////////////
+	Uint8 GetAlphaMod() const;
+
+	////////////////////////////////////////////////////////////
+	/// \brief Get the blend mode used for texture copy operations
+	///
+	/// \return Current SDL_BlendMode
+	///
+	/// \throws SDL2pp::Exception
+	///
+	/// \see http://wiki.libsdl.org/SDL_GetTextureBlendMode
+	///
+	////////////////////////////////////////////////////////////
+	SDL_BlendMode GetBlendMode() const;
+
+	////////////////////////////////////////////////////////////
+	/// \brief Get the additional color value multiplied into render copy operations
+	///
+	/// \param[out] r Variable to be filled in with the current red color value
+	/// \param[out] g Variable to be filled in with the current green color value
+	/// \param[out] b Variable to be filled in with the current blue color value
+	///
+	/// \throws SDL2pp::Exception
+	///
+	/// \see http://wiki.libsdl.org/SDL_GetTextureColorMod
+	///
+	////////////////////////////////////////////////////////////
+	void GetColorMod(Uint8& r, Uint8& g, Uint8 &b) const;
 };
 
 }