SDL_ISPIXELFORMAT_ALPHA - A macro to determine if an SDL_PixelFormat

       This macro is available since SDL 3.2.0.

Simple Directmedia Layer                           SDL 3.2.10                         SDL_ISPIXELFORMAT_ALPHA(3)

       Note that this macro double-evaluates its parameter, so do not use expressions with side-effects here.

       Defined in SDL3/SDL_pixels.h

       SDL_ISPIXELFORMAT_ALPHA - A macro to determine if an SDL_PixelFormat
        has an alpha channel.

       Returns true if the format has alpha, false otherwise.

#include"SDL3/SDL.h"#defineSDL_ISPIXELFORMAT_ALPHA(format).BI((SDL_ISPIXELFORMAT_PACKED(format)&&.BI((SDL_PIXELORDER(format)==SDL_PACKEDORDER_ARGB)||.BI(SDL_PIXELORDER(format)==SDL_PACKEDORDER_RGBA)||.BI(SDL_PIXELORDER(format)==SDL_PACKEDORDER_ABGR)||.BI(SDL_PIXELORDER(format)==SDL_PACKEDORDER_BGRA)))||.BI(SDL_ISPIXELFORMAT_ARRAY(format)&&.BI((SDL_PIXELORDER(format)==SDL_ARRAYORDER_ARGB)||.BI(SDL_PIXELORDER(format)==SDL_ARRAYORDER_RGBA)||.BI(SDL_PIXELORDER(format)==SDL_ARRAYORDER_ABGR)||.BI(SDL_PIXELORDER(format)==SDL_ARRAYORDER_BGRA))))

       It is safe to call this macro from any thread.