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SDL_MapRGB(3) SDL API Reference SDL_MapRGB(3) NAME SDL_MapRGB - Map a RGB color value to a pixel format. SYNOPSIS #include "SDL.h" Uint32 SDL_MapRGB(SDL_PixelFormat *fmt, Uint8 r, Uint8 g, Uint8 b); DESCRIPTION Maps the RGB color value to the specified pixel format and returns the pixel value as a 32-bit int. If the format has a palette (8-bit) the index of the closest matching color in the palette will be returned. If the specified pixel format has an alpha component it will be returned as all 1 bits (fully opaque). RETURN VALUE A pixel value best approximating the given RGB color value for a given pixel format. If the pixel format bpp (color depth) is less than 32-bpp then the unused upper bits of the return value can safely be ignored (e.g., with a 16-bpp format the return value can be assigned to a Uint16, and sim- ilarly a Uint8 for an 8-bpp format). SEE ALSO SDL_GetRGB, SDL_GetRGBA, SDL_MapRGBA, SDL_PixelFormat SDL Tue 11 Sep 2001, 23:01 SDL_MapRGB(3)
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | SEE ALSO
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