Function JxlDecoderGetBasicInfo 

pub unsafe extern "C-unwind" fn JxlDecoderGetBasicInfo(
    dec: *const JxlDecoder,
    info: *mut JxlBasicInfo,
) -> JxlDecoderStatus

Outputs the basic image information, such as image dimensions, bit depth and all other JxlBasicInfo fields, if available.

Parameters

• dec: decoder object
• info: struct to copy the information into, or NULL to only check whether the information is available through the return value.

Returns

• JxlDecoderStatus::Success if the value is available
• JxlDecoderStatus::NeedMoreInput if not yet available
• JxlDecoderStatus::Error in case of other error conditions.