# SDL_PIXELORDER A macro to retrieve the order of an [SDL_PixelFormat](SDL_PixelFormat). ## Header File Defined in [<SDL3/SDL_pixels.h>](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_pixels.h) ## Syntax ```c #define SDL_PIXELORDER(format) (((format) >> 20) & 0x0F) ``` ## Macro Parameters | | | | ---------- | ----------------------------------------------- | | **format** | an [SDL_PixelFormat](SDL_PixelFormat) to check. | ## Return Value Returns the order of `format`. ## Remarks This is usually a value from the [SDL_BitmapOrder](SDL_BitmapOrder), [SDL_PackedOrder](SDL_PackedOrder), or [SDL_ArrayOrder](SDL_ArrayOrder) enumerations, depending on the format type. ## Thread Safety It is safe to call this macro from any thread. ## Version This macro is available since SDL 3.2.0. ---- [CategoryAPI](CategoryAPI), [CategoryAPIMacro](CategoryAPIMacro), [CategoryPixels](CategoryPixels)