From d9f2bb37e7e0e0278396f017ff5ebc92cf1533ff Mon Sep 17 00:00:00 2001
From: azivner <adam.zivner@gmail.com>
Date: Sun, 7 Jan 2018 08:26:42 -0500
Subject: [PATCH] PNG alpha channel is converted to white instead of default
 ugly black

---
 routes/api/image.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/routes/api/image.js b/routes/api/image.js
index 80616491f..c51bacd18 100644
--- a/routes/api/image.js
+++ b/routes/api/image.js
@@ -107,6 +107,9 @@ async function resize(buffer) {
     // we do resizing with max quality which will be trimmed during optimization step next
     image.quality(100);
 
+    // when converting PNG to JPG we lose alpha channel, this is replaced by white to match Trilium white background
+    image.background(0xFFFFFFFF);
+
     // getBuffer doesn't support promises so this workaround
     return await new Promise((resolve, reject) => image.getBuffer(jimp.MIME_JPEG, (err, data) => {
         if (err) {