From 69b2fe92f5ad6a1394024c93ba1fa1fdbb23674f Mon Sep 17 00:00:00 2001
From: Jason Walton <jwalton@solinkcorp.com>
Date: Sun, 22 Nov 2020 11:13:38 -0500
Subject: [PATCH] Fix aspect ratio for non-square album art.

---
 core/artwork.go               | 11 ++++++++++-
 ui/src/album/AlbumGridView.js |  1 +
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/core/artwork.go b/core/artwork.go
index 7f747eaf..8bb319b9 100644
--- a/core/artwork.go
+++ b/core/artwork.go
@@ -171,7 +171,16 @@ func resizeImage(reader io.Reader, size int) ([]byte, error) {
 	if err != nil {
 		return nil, err
 	}
-	m := imaging.Resize(img, size, size, imaging.Lanczos)
+
+	// Preserve the aspect ratio of the image.
+	var m *image.NRGBA
+	bounds := img.Bounds()
+	if bounds.Max.X > bounds.Max.Y {
+		m = imaging.Resize(img, size, 0, imaging.Lanczos)
+	} else {
+		m = imaging.Resize(img, 0, size, imaging.Lanczos)
+	}
+
 	buf := new(bytes.Buffer)
 	err = jpeg.Encode(buf, m, &jpeg.Options{Quality: conf.Server.CoverJpegQuality})
 	return buf.Bytes(), err
diff --git a/ui/src/album/AlbumGridView.js b/ui/src/album/AlbumGridView.js
index 07a6e337..8476217b 100644
--- a/ui/src/album/AlbumGridView.js
+++ b/ui/src/album/AlbumGridView.js
@@ -77,6 +77,7 @@ const useCoverStyles = makeStyles({
   cover: {
     display: 'inline-block',
     width: '100%',
+    'object-fit': 'contain',
     height: (props) => props.height,
   },
 })