From f4db38aadfd3a4f13cb72736de28acfaa15d648b Mon Sep 17 00:00:00 2001
From: Jonas Jenwald <jonas.jenwald@gmail.com>
Date: Sun, 5 Aug 2018 10:33:56 +0200
Subject: [PATCH] Update the TrueType font file detection to also recognize the
Mac specific header 'true'
Please refer to the TrueType specification: https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6.html#ScalerTypeNote
---
src/core/fonts.js | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/core/fonts.js b/src/core/fonts.js
index aff4ac513..a94cc510a 100644
--- a/src/core/fonts.js
+++ b/src/core/fonts.js
@@ -680,7 +680,8 @@ var Font = (function FontClosure() {
function isTrueTypeFile(file) {
var header = file.peekBytes(4);
- return readUint32(header, 0) === 0x00010000;
+ return (readUint32(header, 0) === 0x00010000 ||
+ bytesToString(header) === 'true');
}
function isTrueTypeCollectionFile(file) {