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From 1d031966e08aef92ef742ae3cf91e1addaf95a47 Mon Sep 17 00:00:00 2001
From: "Benjamin A. Beasley" <code@musicinmybrain.net>
Date: Wed, 8 Dec 2021 18:14:54 -0500
Subject: [PATCH 1/4] Use a patch file to document changes from upstream
stb_image.h
---
thirdparty/stb/stb_image.patch | 15 +++++++++++++++
1 file changed, 15 insertions(+)
create mode 100644 thirdparty/stb/stb_image.patch
diff --git a/thirdparty/stb/stb_image.patch b/thirdparty/stb/stb_image.patch
new file mode 100644
index 0000000..5153728
--- /dev/null
+++ b/thirdparty/stb/stb_image.patch
@@ -0,0 +1,15 @@
+diff -Naur upstream/stb_image.h zxing/stb_image.h
+--- upstream/stb_image.h 2021-12-08 18:11:28.170529096 -0500
++++ zxing/stb_image.h 2021-12-08 18:06:42.706717697 -0500
+@@ -1644,7 +1644,11 @@
+
+ static stbi_uc stbi__compute_y(int r, int g, int b)
+ {
++#if 0 // ori
+ return (stbi_uc) (((r*77) + (g*150) + (29*b)) >> 8);
++#else // zxing (see ReadBarcode.cpp:RGBToGray)
++ return (stbi_uc) ((306 * r + 601 * g + 117 * b + 0x200) >> 10);
++#endif
+ }
+ #endif
+
--
2.33.1
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