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Implement some Texture getters

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Dmitry Marakasov 2015-01-15 16:26:38 +03:00
parent e40e29dd8b
commit 04244eadf0
2 changed files with 58 additions and 1 deletions
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21
SDL2pp/Texture.cc
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@ -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");
}
}

38
SDL2pp/Texture.hh
View File

@ -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;
};
}