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#![allow(non_upper_case_globals)]
#![allow(non_camel_case_types)]
#![allow(non_snake_case)]
#![allow(clippy::missing_safety_doc)]
#![allow(clippy::redundant_static_lifetimes)]
include!(concat!(env!("OUT_DIR"), "/bindings.rs"));
#[cfg(feature = "build-jpegxl")]
include!(concat!(env!("OUT_DIR"), "/cppbindings.rs"));
macro_rules! trait_impl {
($x:ty, [$($struct_:ident ),*]) => {
$(
impl $x for $struct_ {}
)*
};
}
trait_impl!(
NewUninit,
[
JpegxlBasicInfo,
JpegxlExtraChannelInfo,
JpegxlPreviewHeader,
JpegxlColorProfileSource,
JpegxlColorEncoding,
JpegxlPixelFormat
]
);
pub trait NewUninit {
#[inline]
fn new_uninit() -> std::mem::MaybeUninit<Self>
where
Self: std::marker::Sized,
{
std::mem::MaybeUninit::<Self>::uninit()
}
}
#[cfg(test)]
mod test {
use super::*;
use std::ptr;
#[test]
fn test_bindings_version() -> Result<(), std::io::Error> {
unsafe {
assert_eq!(JpegxlDecoderVersion(), 1);
}
Ok(())
}
unsafe fn decode(decoder: *mut JpegxlDecoder) -> Result<(), image::ImageError> {
let mut status: u32;
status = JpegxlDecoderSubscribeEvents(
decoder,
(JpegxlDecoderStatus_JPEGXL_DEC_BASIC_INFO | JpegxlDecoderStatus_JPEGXL_DEC_FULL_IMAGE)
as i32,
);
assert_eq!(status, JpegxlDecoderStatus_JPEGXL_DEC_SUCCESS);
let sample = std::fs::read("test/sample.jxl").unwrap();
let signature = JpegxlSignatureCheck(sample.as_ptr(), 2);
assert_eq!(signature, JpegxlSignature_JPEGXL_SIG_VALID);
let next_in = &mut sample.as_ptr();
let mut avail_in = sample.len() as u64;
status = JpegxlDecoderProcessInput(decoder, next_in, &mut avail_in);
assert_eq!(
status, JpegxlDecoderStatus_JPEGXL_DEC_BASIC_INFO,
"Read Basic Info"
);
let mut basic_info = JpegxlBasicInfo::new_uninit();
status = JpegxlDecoderGetBasicInfo(decoder, basic_info.as_mut_ptr());
assert_eq!(status, JpegxlDecoderStatus_JPEGXL_DEC_SUCCESS);
let basic_info = basic_info.assume_init();
assert_eq!(basic_info.bits_per_sample, 8, "Bits per sample");
assert_eq!(basic_info.xsize, 2122, "Width");
assert_eq!(basic_info.ysize, 1433, "Height");
let mut size: u64 = 0;
let pixel_format = JpegxlPixelFormat {
data_type: JpegxlDataType_JPEGXL_TYPE_UINT8,
num_channels: 3,
};
status = JpegxlDecoderImageOutBufferSize(decoder, &pixel_format, &mut size);
assert_eq!(status, JpegxlDecoderStatus_JPEGXL_DEC_SUCCESS);
let mut buffer: Vec<u8> = Vec::with_capacity(size as usize);
buffer.set_len(size as usize);
status = JpegxlDecoderSetImageOutBuffer(
decoder,
&pixel_format,
buffer.as_mut_ptr() as *mut std::ffi::c_void,
size,
);
assert_eq!(status, JpegxlDecoderStatus_JPEGXL_DEC_SUCCESS);
status = JpegxlDecoderProcessInput(decoder, next_in, &mut avail_in);
assert_eq!(
status, JpegxlDecoderStatus_JPEGXL_DEC_FULL_IMAGE,
"Read Whole Image"
);
use image::{ImageBuffer, RgbImage};
let image: RgbImage =
ImageBuffer::from_raw(basic_info.xsize, basic_info.ysize, buffer).unwrap();
image.save("test/sample.png")?;
std::fs::remove_file("test/sample.png")?;
Ok(())
}
#[test]
fn test_bindings_decoding() -> Result<(), image::ImageError> {
unsafe {
let decoder = JpegxlDecoderCreate(ptr::null());
assert!(!decoder.is_null());
let status = JpegxlDecoderSetParallelRunner(decoder, Option::None, ptr::null_mut());
assert_eq!(status, JpegxlDecoderStatus_JPEGXL_DEC_SUCCESS);
decode(decoder)?;
}
Ok(())
}
#[test]
#[cfg(feature = "build-jpegxl")]
fn test_bindings_thread_pool() -> Result<(), std::io::Error> {
use root::jpegxl::{ThreadParallelRunner, ThreadParallelRunner_Runner};
unsafe {
let mut thread_runner = ThreadParallelRunner::new(8);
let opaque_ptr =
&mut thread_runner as *mut ThreadParallelRunner as *mut std::ffi::c_void;
let parallel_runner = ThreadParallelRunner_Runner
as unsafe extern "C" fn(
*mut std::ffi::c_void,
*mut std::ffi::c_void,
std::option::Option<unsafe extern "C" fn(*mut std::ffi::c_void, u64) -> i32>,
std::option::Option<unsafe extern "C" fn(*mut std::ffi::c_void, u32, u64)>,
u32,
u32,
) -> i32;
let decoder = JpegxlDecoderCreate(ptr::null());
assert!(!decoder.is_null());
let status = JpegxlDecoderSetParallelRunner(decoder, Some(parallel_runner), opaque_ptr);
assert_eq!(status, JpegxlDecoderStatus_JPEGXL_DEC_SUCCESS);
panic!("TODO: Figure out if there is a dead lock");
decode(decoder);
}
Ok(())
}
}