From 7811a66fd36dbcc7672d42826b32787d0f4dd2d7 Mon Sep 17 00:00:00 2001
From: HichamAz <hicham.azimani@owkin.com>
Date: Mon, 24 Oct 2022 16:27:44 +0200
Subject: [PATCH] feat: use better filter for resize (deepzoom) (#9)

---
 Cargo.lock      | 2 +-
 Cargo.toml      | 2 +-
 src/deepzoom.rs | 5 +++--
 3 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 73aa63e..90701a9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -479,7 +479,7 @@ checksum = "e82dad04139b71a90c080c8463fe0dc7902db5192d939bd0950f074d014339e1"
 
 [[package]]
 name = "openslide-rs"
-version = "0.3.0"
+version = "0.3.1"
 dependencies = [
  "assert_approx_eq",
  "bencher",
diff --git a/Cargo.toml b/Cargo.toml
index 21fac5e..2d0ce8e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "openslide-rs"
 edition = "2021"
-version = "0.3.0"
+version = "0.3.1"
 authors = ["AzHicham <hicham.azimani1@gmail.com>"]
 description = "Rust bindings of OpenSlide C library"
 repository = "https://github.com/AzHicham/openslide-rs"
diff --git a/src/deepzoom.rs b/src/deepzoom.rs
index c2d55b0..7d1d7b8 100644
--- a/src/deepzoom.rs
+++ b/src/deepzoom.rs
@@ -3,7 +3,7 @@
 //! This is a simple translation of python DeepZoomGenerator implementation
 
 use crate::{errors::OpenSlideError, Address, DeepZoomGenerator, OpenSlide, Region, Result, Size};
-use image::{RgbImage, RgbaImage};
+use image::{imageops::FilterType, RgbImage, RgbaImage};
 
 impl<'a> DeepZoomGenerator<'a> {
     pub fn new(
@@ -163,10 +163,11 @@ impl<'a> DeepZoomGenerator<'a> {
         };
 
         if final_size != size {
-            Ok(image::imageops::thumbnail(
+            Ok(image::imageops::resize(
                 &image,
                 final_size.w,
                 final_size.h,
+                FilterType::Lanczos3,
             ))
         } else {
             Ok(image)