plucky (3) IMG_isJXL.3.gz

NAME

       IMG_isJXL - Detect JXL image data on a readable/seekable SDL_IOStream.

HEADER FILE

       Defined in SDL3_image/SDL_image.h

SYNOPSIS

       #include "SDL3_image/SDL_image.h"

       bool IMG_isJXL(SDL_IOStream *src);

DESCRIPTION

       This function attempts to determine if a file is a given filetype, reading the least amount possible from
       the SDL_IOStream (usually a few bytes).

       There is no distinction made between "not the filetype in question" and basic i/o errors.

       This function will always attempt to seek src back to where it started when this function was called, but
       it will not report any errors in doing so, but assuming seeking works, this means you can immediately use
       this with a different IMG_isTYPE
        function, or load the image without further seeking.

       You do not need to call this function to load data; SDL_image can work to determine  file  type  in  many
       cases in its standard load functions.

FUNCTION PARAMETERS

       src    a seekable/readable SDL_IOStream to provide image data.

RETURN VALUE

       Returns non-zero if this is JXL data, zero otherwise.

AVAILABILITY

       This function is available since SDL_image 3.0.0.

SEE ALSO

       •(3),  IMG_isAVIF(3),  •(3),  IMG_isICO(3),  •(3),  IMG_isCUR(3), •(3), IMG_isBMP(3), •(3), IMG_isGIF(3),
       •(3), IMG_isJPG(3), •(3), IMG_isLBM(3), •(3), IMG_isPCX(3), •(3), IMG_isPNG(3), •(3), IMG_isPNM(3), •(3),
       IMG_isSVG(3),  •(3),  IMG_isQOI(3),  •(3),  IMG_isTIF(3),  •(3),  IMG_isXCF(3), •(3), IMG_isXPM(3), •(3),
       IMG_isXV(3), •(3), IMG_isWEBP(3)