From aa128300154be762a9fce5364acb054eb47679a1 Mon Sep 17 00:00:00 2001
From: ed <s@ocv.me>
Date: Sat, 12 Jun 2021 03:32:06 +0200
Subject: [PATCH] keep transparency in thumbnails

---
 copyparty/th_srv.py       | 15 +++++++++++----
 copyparty/web/browser.css |  1 +
 copyparty/web/browser.js  |  2 +-
 3 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/copyparty/th_srv.py b/copyparty/th_srv.py
index cc10d4c6..d28c3f8f 100644
--- a/copyparty/th_srv.py
+++ b/copyparty/th_srv.py
@@ -244,8 +244,8 @@ class ThumbSrv(object):
             except:
                 im.thumbnail(self.res)
 
-            if im.mode not in ("RGB", "L"):
-                im = im.convert("RGB")
+            fmts = ["RGB", "L"]
+            args = {"quality": 40}
 
             if tpath.endswith(".webp"):
                 # quality 80 = pillow-default
@@ -253,9 +253,16 @@ class ThumbSrv(object):
                 # method 0 = pillow-default, fast
                 # method 4 = ffmpeg-default
                 # method 6 = max, slow
-                im.save(tpath, quality=40, method=6)
+                fmts += ["RGBA", "LA"]
+                args["method"] = 6
             else:
-                im.save(tpath, quality=40)  # default=75
+                pass  # default q = 75
+
+            if im.mode not in fmts:
+                print("conv {}".format(im.mode))
+                im = im.convert("RGB")
+
+            im.save(tpath, quality=40, method=6)
 
     def conv_ffmpeg(self, abspath, tpath):
         ret, _ = ffprobe(abspath)
diff --git a/copyparty/web/browser.css b/copyparty/web/browser.css
index 6334692e..21fee194 100644
--- a/copyparty/web/browser.css
+++ b/copyparty/web/browser.css
@@ -917,6 +917,7 @@ html.light #files {
 }
 html.light #files thead th {
 	background: #eee;
+	border-radius: 0;
 }
 html.light #files tr td {
 	border-top: 1px solid #ddd;
diff --git a/copyparty/web/browser.js b/copyparty/web/browser.js
index b96af090..4329cd32 100644
--- a/copyparty/web/browser.js
+++ b/copyparty/web/browser.js
@@ -38,7 +38,7 @@ var have_webp = null;
 	img.onerror = function () {
 		have_webp = false;
 	};
-	img.src = "data:image/webp;base64,UklGRiIAAABXRUJQVlA4IBYAAAAwAQCdASoBAAEADsD+JaQAA3AAAAAA";
+	img.src = "data:image/webp;base64,UklGRhoAAABXRUJQVlA4TA0AAAAvAAAAEAcQERGIiP4HAA==";
 })();