From 9de9aae364f4f57ee1374c3278fc96cec35a6005 Mon Sep 17 00:00:00 2001
From: M66B <M66B@users.noreply.github.com>
Date: Tue, 28 Jul 2020 17:18:13 +0200
Subject: [PATCH] Draw favicons on white background

---
 app/src/main/java/eu/faircode/email/ContactInfo.java | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/app/src/main/java/eu/faircode/email/ContactInfo.java b/app/src/main/java/eu/faircode/email/ContactInfo.java
index 1ed38f85f1..646fafa361 100644
--- a/app/src/main/java/eu/faircode/email/ContactInfo.java
+++ b/app/src/main/java/eu/faircode/email/ContactInfo.java
@@ -27,6 +27,8 @@ import android.database.ContentObserver;
 import android.database.Cursor;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
+import android.graphics.Canvas;
+import android.graphics.Color;
 import android.net.ConnectivityManager;
 import android.net.NetworkInfo;
 import android.net.Uri;
@@ -474,8 +476,14 @@ public class ContactInfo {
             Bitmap bitmap = BitmapFactory.decodeStream(connection.getInputStream());
             if (bitmap == null)
                 throw new FileNotFoundException("decodeStream");
-            else
-                return bitmap;
+            else {
+                Bitmap favicon = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), bitmap.getConfig());
+                favicon.eraseColor(Color.WHITE);
+                Canvas canvas = new Canvas(favicon);
+                canvas.drawBitmap(bitmap, 0, 0, null);
+                bitmap.recycle();
+                return favicon;
+            }
         } finally {
             connection.disconnect();
         }