From dcab5a16223660bb7038a99a4fcb5120ed8f235b Mon Sep 17 00:00:00 2001
From: Artur Mullakhmetov <mullakhmetov.art@gmail.com>
Date: Sun, 26 Jan 2020 11:36:00 +0300
Subject: [PATCH] switch image interpolation to CatmullRom

---
 backend/app/store/image/fs_store_test.go | 4 ++--
 backend/app/store/image/image.go         | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/backend/app/store/image/fs_store_test.go b/backend/app/store/image/fs_store_test.go
index 5af64a9b..39f9dcdc 100644
--- a/backend/app/store/image/fs_store_test.go
+++ b/backend/app/store/image/fs_store_test.go
@@ -70,7 +70,7 @@ func TestFsStore_SaveWithResize(t *testing.T) {
 	t.Log(img)
 	data, err := ioutil.ReadFile(img)
 	assert.NoError(t, err)
-	assert.Equal(t, 1142, len(data))
+	assert.Equal(t, 1135, len(data))
 }
 
 func TestFsStore_SaveWithResizeJpeg(t *testing.T) {
@@ -91,7 +91,7 @@ func TestFsStore_SaveWithResizeJpeg(t *testing.T) {
 	t.Log(img)
 	data, err := ioutil.ReadFile(img)
 	assert.NoError(t, err)
-	assert.Equal(t, 10786, len(data))
+	assert.Equal(t, 10918, len(data))
 }
 
 func TestFsStore_SaveNoResizeJpeg(t *testing.T) {
diff --git a/backend/app/store/image/image.go b/backend/app/store/image/image.go
index 94a2e629..1d86a124 100644
--- a/backend/app/store/image/image.go
+++ b/backend/app/store/image/image.go
@@ -161,7 +161,7 @@ func resize(data []byte, limitW, limitH int) []byte {
 
 	newW, newH := getProportionalSizes(w, h, limitW, limitH)
 	m := image.NewRGBA(image.Rect(0, 0, newW, newH))
-	draw.BiLinear.Scale(m, m.Bounds(), src, src.Bounds(), draw.Src, nil)
+	draw.CatmullRom.Scale(m, m.Bounds(), src, src.Bounds(), draw.Src, nil)
 
 	var out bytes.Buffer
 	if err = png.Encode(&out, m); err != nil {