libwebp_sys

Function WebPPictureInit

Source 
pub unsafe extern "C" fn WebPPictureInit(
    picture: *mut WebPPicture,
) -> c_int
Expand description

Should always be called, to initialize the structure. Returns false in case of version mismatch. WebPPictureInit() must have succeeded before using the picture object. Note that, by default, use_argb is false and colorspace is WEBP_YUV420.