From fc1ac53ef397a47d7e3f4d13cd008ae78cdabef3 Mon Sep 17 00:00:00 2001
From: Travis Ralston <travpc@gmail.com>
Date: Fri, 24 May 2019 10:36:07 -0600
Subject: [PATCH] Add some logging for COLR checks

---
 src/utils/FontManager.js | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/utils/FontManager.js b/src/utils/FontManager.js
index b4123c6368..a54efa4384 100644
--- a/src/utils/FontManager.js
+++ b/src/utils/FontManager.js
@@ -28,10 +28,13 @@ async function isColrFontSupported() {
         return colrFontSupported;
     }
 
+    console.log("Checking for COLR support");
+
     // Firefox has supported COLR fonts since version 26
     // but doesn't support the check below with content blocking enabled.
     if (navigator.userAgent.includes("Firefox")) {
         colrFontSupported = true;
+        console.log("Browser is Firefox - assuming COLR is supported");
         return colrFontSupported;
     }
 
@@ -62,12 +65,16 @@ async function isColrFontSupported() {
         const wait = ms => new Promise((r, j)=>setTimeout(r, ms));
         await wait(500);
 
+        console.log("Drawing canvas to detect COLR support");
         context.drawImage(img, 0, 0);
         colrFontSupported = (context.getImageData(10, 10, 1, 1).data[0] === 200);
+        console.log("Canvas check revealed COLR is supported? " + colrFontSupported);
     } catch (e) {
-        console.error("Couldn't load colr font", e);
+        console.error("Couldn't load COLR font", e);
         colrFontSupported = false;
     }
+
+    console.log({colrFontSupported});
     return colrFontSupported;
 }