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@ -388,9 +388,12 @@ extern DECLSPEC SDL_bool SDLCALL SDL_HasSurfaceRLE(SDL_Surface * surface);
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/**
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* Set the color key (transparent pixel) in a surface.
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*
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* E.g. Set cyan pixals to transparentThe color key defines a pixel value that
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* will be treated as transparent in a blit. It is a pixel of the format used
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* by the surface, as generated by SDL_MapRGB().
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* The color key defines a pixel value that will be treated as transparent in
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* a blit. For example, one can use this to specify that cyan pixels should be
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* considered transparent, and therefore not rendered.
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*
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* It is a pixel of the format used by the surface, as generated by
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* SDL_MapRGB().
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*
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* RLE acceleration can substantially speed up blitting of images with large
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* horizontal runs of transparent pixels. See SDL_SetSurfaceRLE() for details.
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