From 96909002d7aabe618947c57142ced808ab88d58a Mon Sep 17 00:00:00 2001
From: jbb01 <32650546+jbb01@users.noreply.github.com>
Date: Tue, 6 Aug 2024 00:43:34 +0200
Subject: [PATCH] fix checksum of IEND chunk

---
 docs/cornell.png                              | Bin 1728585 -> 1728585 bytes
 docs/cornell_smoke.png                        | Bin 451823 -> 451823 bytes
 docs/simple.png                               | Bin 902498 -> 902498 bytes
 docs/squares.png                              | Bin 634703 -> 634703 bytes
 .../raytracing/render/ImageFormat.java        |   3 ++-
 5 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/docs/cornell.png b/docs/cornell.png
index 9eb79b953eda28b7712d1560233a5ad29476c561..0df23162fb23bfbc06befc2f861b78cfb070f250 100644
GIT binary patch
delta 66
zcmV~$$qj%Y006<LC|-c~RSt=L@TCi4wjN&=z?ZI^Nzte10~t95f|3eJO+!mZk3wS@
U7@3$^SlQS)IKS(5;<fJi0Sbl{*8l(j

delta 66
zcmWN;w*i6x001yhI#Q+j4}ZAw1w&5q09L+|<U053+z+9Lr${W3%H#^AmrAYC>h#_Q
OqseTs{yy6`3T}S|#uNnr

diff --git a/docs/cornell_smoke.png b/docs/cornell_smoke.png
index d4e202c9af178ba56dc7441908f88a0618460134..2078917d382f7c7e5946966d022a7000c2d1f916 100644
GIT binary patch
delta 26
icmaEVQu_T#>4p}@7N!>F7M2#)Eo`r!u&i@RXaWGB1`8<w

delta 26
gcmaEVQu_T#>4p}@7N!>F7M2#)Eo`r!urL4t0Gmb$R{#J2

diff --git a/docs/simple.png b/docs/simple.png
index 85b23129373c93c14af5c4bd2fc9c3ff7b6b9dbb..16e9e7c7c1569b8f1f549f0ab7ad447f13d23d34 100644
GIT binary patch
delta 40
vcmaFVW&WtkyrG4$g{g(Pg{6hHg{_6Xg`<VDg{y_Tg=Y(I+)<WwP6<r_Ep`q6

delta 40
ucmaFVW&WtkyrG4$g{g(Pg{6hHg{_6Xg`<VDg{y_Tg=Y(I+))+=AOHX;whS!*

diff --git a/docs/squares.png b/docs/squares.png
index f66d4d17b8e7012c598e4b94beeb4b1b480eb0c9..890dcb4ce0d702bbafeddc2cd1e1360a4ebbc205 100644
GIT binary patch
delta 32
ocmX?qPwo6YwT2eP7N!>F7M2#)7Pc1l7LF~P-s@S`IVCg!0N45p_y7O^

delta 32
mcmX?qPwo6YwT2eP7N!>F7M2#)7Pc1l7LF~P-s@QyfB*o~ItnHL

diff --git a/src/main/java/eu/jonahbauer/raytracing/render/ImageFormat.java b/src/main/java/eu/jonahbauer/raytracing/render/ImageFormat.java
index 6a92e53..c486dbb 100644
--- a/src/main/java/eu/jonahbauer/raytracing/render/ImageFormat.java
+++ b/src/main/java/eu/jonahbauer/raytracing/render/ImageFormat.java
@@ -41,6 +41,7 @@ public enum ImageFormat {
         private static final int IHDR_TYPE = 0x49484452;
         private static final int IDAT_TYPE = 0x49444154;
         private static final int IEND_TYPE = 0x49454E44;
+        private static final int IEND_CRC = 0xAE426082;
 
         @Override
         public void write(@NotNull Canvas image, @NotNull OutputStream out) throws IOException {
@@ -101,7 +102,7 @@ public enum ImageFormat {
         private void writeIEND(@NotNull Canvas image, @NotNull DataOutputStream data) throws IOException {
             data.writeInt(0);
             data.writeInt(IEND_TYPE);
-            data.writeInt(0);
+            data.writeInt(IEND_CRC);
         }
 
         private static class NoCloseDataOutputStream extends DataOutputStream {