From 48a591de7ece464c14729c93216f6aa8a09ddaac Mon Sep 17 00:00:00 2001
From: jbb01 <32650546+jbb01@users.noreply.github.com>
Date: Tue, 6 Aug 2024 17:39:09 +0200
Subject: [PATCH] fix length of IDAT chunk

---
 docs/cornell.png                              | Bin 1728585 -> 1728585 bytes
 docs/cornell_smoke.png                        | Bin 451823 -> 451823 bytes
 docs/diagramm.png                             | Bin 2444917 -> 2444917 bytes
 docs/simple.png                               | Bin 902498 -> 902498 bytes
 docs/squares.png                              | Bin 634703 -> 634703 bytes
 .../raytracing/render/ImageFormat.java        |   4 +++-
 6 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/docs/cornell.png b/docs/cornell.png
index 0df23162fb23bfbc06befc2f861b78cfb070f250..6623084eb724b6b2fc530ec36e0841686e20b1d1 100644
GIT binary patch
delta 92
zcmV~$I~Ia4006-k6j4!$d<3ks_p;3~EVkz|_O!W`GiA?Z&sz%div+3UAV;a?B#oTq
dB3EhUCU<#ACsCf#%OImn@{(B=S%19K=MUC#7^eUL

delta 92
zcmV~$u@!<a06@VP1rZTJh@jN@d)a0Ti{HD9J#Dt~uI#z&`I|!gAVCgtluBwjNh4=z
d<szM2rI(uwGRj>hnI+0Y7Fp#fuOC}_{{h#%7^?sP

diff --git a/docs/cornell_smoke.png b/docs/cornell_smoke.png
index 2078917d382f7c7e5946966d022a7000c2d1f916..ef02b85f680aa6e366aed1b09d54af354e28feed 100644
GIT binary patch
delta 32
ocmaEVQu_T#=?N-~+Zt6{RT*1VnOaquTUA+FRav*HvYmPY0Mi}|rvLx|

delta 32
ocmaEVQu_T#=?N-~yBbwnRT*1VnOaquTUA+FRav*HvYmPY0MmL4s{jB1

diff --git a/docs/diagramm.png b/docs/diagramm.png
index 76290c11a37625bf8761ccc43239fad561c6a7ee..29e0a575b9eb07c8c4d7b97f6baaef2af28b7f73 100644
GIT binary patch
delta 127
zcmWN=xe<a;06@X{UU(p$;DHAsuM2BnY>D9ICT6r@Y2>&w+qK`&{eP<PYLFlU8Olh;
xGLcB8GLyM1B$lNlvXZrIWGg$_ODdTh<R~XOOD-3=%1!Q4$U{nbO7(+x-2>uTA_V{d

delta 127
zcmWN=xe<a;06@X{UU(p$;DHAsuMaC=Y>D9ICT6r@Y2>&w+qK`&{eP<PYLFlU8Olh;
xGLcB8GLyM1B$lNlvXZrIWGg$_ODdTh<R~XOOD-3=%1!Q4$U{nbO7(+x-2>z)A_)Kh

diff --git a/docs/simple.png b/docs/simple.png
index 16e9e7c7c1569b8f1f549f0ab7ad447f13d23d34..9f3091fb0c78c9d0f078d50f52c8685590ae5308 100644
GIT binary patch
delta 53
zcmaFVW&Wtke1Zz2W}|AWDr2iEQ>!X-t13&YDr>7MTdOL2t13sUDrc)ISF0*_t18b{
IRbJbp0JiuJ`Tzg`

delta 53
zcmaFVW&Wtke1Zz2Zlh|eDr2iEQ>!X-t13&YDr>7MTdOL2t13sUDrc)ISF0*_t18b{
IRbJbp0Jo?P{r~^~

diff --git a/docs/squares.png b/docs/squares.png
index 890dcb4ce0d702bbafeddc2cd1e1360a4ebbc205..9e87af090e4ba775daa08159def030be96c580f4 100644
GIT binary patch
delta 41
xcmX?qPwo6YwFxSWVvVY;s*J6wOs%TSt*R`os;sT5Y^|#7t*RVbRXMfR0{|s{3`hU~

delta 41
xcmX?qPwo6YwFxSWQjMyus*J6wOs%TSt*R`os;sT5Y^|#7t*RVbRXMfR0{|ud3`_t3

diff --git a/src/main/java/eu/jonahbauer/raytracing/render/ImageFormat.java b/src/main/java/eu/jonahbauer/raytracing/render/ImageFormat.java
index c486dbb..caba497 100644
--- a/src/main/java/eu/jonahbauer/raytracing/render/ImageFormat.java
+++ b/src/main/java/eu/jonahbauer/raytracing/render/ImageFormat.java
@@ -1,6 +1,7 @@
 package eu.jonahbauer.raytracing.render;
 
 import eu.jonahbauer.raytracing.render.canvas.Canvas;
+import eu.jonahbauer.raytracing.render.canvas.Image;
 import org.jetbrains.annotations.NotNull;
 
 import java.io.*;
@@ -10,6 +11,7 @@ import java.nio.file.Path;
 import java.util.zip.CRC32;
 import java.util.zip.CheckedOutputStream;
 import java.util.zip.DeflaterOutputStream;
+import java.util.zip.InflaterInputStream;
 
 public enum ImageFormat {
     PPM {
@@ -93,7 +95,7 @@ public enum ImageFormat {
                 }
 
                 var bytes = baos.toByteArray();
-                data.writeInt(bytes.length);
+                data.writeInt(bytes.length - 4); // don't include type in length
                 data.write(bytes);
                 data.writeInt((int) crc.getChecksum().getValue());
             }