From d209bac4c195f15aa382ea0d16c944413e3dcff3 Mon Sep 17 00:00:00 2001
From: Thomas Nixon <tom@tomn.co.uk>
Date: Sun, 23 Oct 2022 11:09:09 +0100
Subject: [PATCH 1/4] explicitly disable duplex in PCL

this seems to be required for the HL-L2350DW, and matches the behaviour
of the official driver

without this, if duplex is disabled then the printer still duplexes, but
every other page is garbled
---
 src/job.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/job.cc b/src/job.cc
index 9212e65..fa6fb43 100644
--- a/src/job.cc
+++ b/src/job.cc
@@ -80,6 +80,8 @@ void job::write_page_header() {
 
   if (page_params_.duplex) {
     fputs("\033&l2S", out_);
+  } else {
+    fputs("\033&l0S", out_);
   }
 }
 

From b93c4adf0c9573e8e94252f2e7f6f2675c7a557e Mon Sep 17 00:00:00 2001
From: Evan Miller <emmiller@gmail.com>
Date: Sun, 15 Jan 2023 10:54:23 -0500
Subject: [PATCH 2/4] Tumble support

---
 src/job.cc  | 4 +++-
 src/job.h   | 2 ++
 src/main.cc | 1 +
 3 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/job.cc b/src/job.cc
index fa6fb43..3321ab9 100644
--- a/src/job.cc
+++ b/src/job.cc
@@ -78,8 +78,10 @@ void job::write_page_header() {
   fputs("\033E", out_);
   fprintf(out_, "\033&l%dX", std::max(1, page_params_.num_copies));
 
-  if (page_params_.duplex) {
+  if (page_params_.duplex && page_params_.tumble) {
     fputs("\033&l2S", out_);
+  } else if (page_params_.duplex) {
+    fputs("\033&l1S", out_);
   } else {
     fputs("\033&l0S", out_);
   }
diff --git a/src/job.h b/src/job.h
index bd7a83b..0c0442c 100644
--- a/src/job.h
+++ b/src/job.h
@@ -27,6 +27,7 @@ struct page_params {
   int num_copies;
   int resolution;
   bool duplex;
+  bool tumble;
   bool economode;
   std::string sourcetray;
   std::string mediatype;
@@ -36,6 +37,7 @@ struct page_params {
     return num_copies == o.num_copies
       && resolution == o.resolution
       && duplex == o.duplex
+      && tumble == o.tumble
       && economode == o.economode
       && sourcetray == o.sourcetray
       && mediatype == o.mediatype
diff --git a/src/main.cc b/src/main.cc
index d6232b4..abe0528 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -111,6 +111,7 @@ page_params build_page_params(const cups_page_header2_t &header) {
   p.economode = header.cupsInteger[10];
   p.mediatype = header.MediaType;
   p.duplex = header.Duplex;
+  p.tumble = header.Tumble;
 
   if (header.MediaPosition < sources.size())
     p.sourcetray = sources[header.MediaPosition];

From 911a518f4e019adacebe4b447467231c0bd08bd6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ond=C5=99ej=20Budai?= <ondrej@budai.cz>
Date: Sat, 2 Apr 2022 23:38:34 +0200
Subject: [PATCH 3/4] fix build under Fedora 38

Building brlaser under Fedora 38 gives the following error in
test/tempfile.h:
error: 'uint8_t' was not declared in this scope

This commit fixes it by explicitly including `cstdin` in the file, so
`uint8_t` is correctly defined there.
---
 test/tempfile.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/test/tempfile.h b/test/tempfile.h
index 75feb6c..6441e9a 100644
--- a/test/tempfile.h
+++ b/test/tempfile.h
@@ -21,6 +21,7 @@
 #include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <cstdint>
 #include <vector>
 
 class tempfile {

From f277899eecf82fe898086e80999b5513f7c8d825 Mon Sep 17 00:00:00 2001
From: Benjamin Lowell <lowell.bv@gmail.com>
Date: Fri, 10 Jan 2025 17:32:12 -0500
Subject: [PATCH 4/4] Bug Owl-Maintain#23

Corrected the Duplex & Tumble Check:
 - swapped the PLC values for duplex and tumble.

Thanks @wmlapierre
---
 src/job.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/job.cc b/src/job.cc
index 3321ab9..833c557 100644
--- a/src/job.cc
+++ b/src/job.cc
@@ -78,9 +78,9 @@ void job::write_page_header() {
   fputs("\033E", out_);
   fprintf(out_, "\033&l%dX", std::max(1, page_params_.num_copies));
 
-  if (page_params_.duplex && page_params_.tumble) {
+  if (page_params_.duplex) {
     fputs("\033&l2S", out_);
-  } else if (page_params_.duplex) {
+  } else if (page_params_.tumble) {
     fputs("\033&l1S", out_);
   } else {
     fputs("\033&l0S", out_);