From ae5e2fa9cdca6076b11ebbcd2256b4a6940e2ba7 Mon Sep 17 00:00:00 2001
From: Jakub Melka <Mgr.Jakub.Melka@gmail.com>
Date: Sun, 31 Jul 2022 19:17:43 +0200
Subject: [PATCH] Issue #22: Clang compilation fix

---
 Pdf4QtDocPageOrganizer/pageitemmodel.cpp | 4 ++++
 Pdf4QtLib/sources/pdfcms.cpp             | 8 ++++++++
 Pdf4QtLib/sources/pdfjbig2decoder.cpp    | 4 ++--
 Pdf4QtLib/sources/pdfutils.cpp           | 9 +++++++++
 4 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/Pdf4QtDocPageOrganizer/pageitemmodel.cpp b/Pdf4QtDocPageOrganizer/pageitemmodel.cpp
index 1150fea..e4d277d 100644
--- a/Pdf4QtDocPageOrganizer/pageitemmodel.cpp
+++ b/Pdf4QtDocPageOrganizer/pageitemmodel.cpp
@@ -923,6 +923,10 @@ void PageItemModel::updateItemCaptionAndTags(PageGroupItem& item) const
                 hasEmptyPage = true;
                 ++emptyPageCount;
                 break;
+
+            case pdfdocpage::PT_Last:
+                Q_ASSERT(false);
+                break;
         }
     }
 
diff --git a/Pdf4QtLib/sources/pdfcms.cpp b/Pdf4QtLib/sources/pdfcms.cpp
index 2f4ef4f..725d201 100644
--- a/Pdf4QtLib/sources/pdfcms.cpp
+++ b/Pdf4QtLib/sources/pdfcms.cpp
@@ -23,6 +23,11 @@
 #include <QApplication>
 #include <QReadWriteLock>
 
+#ifdef PDF4QT_COMPILER_CLANG
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wregister"
+#endif
+
 #ifdef PDF4QT_COMPILER_MSVC
 #pragma warning(push)
 #pragma warning(disable:5033)
@@ -34,6 +39,9 @@
 #pragma warning(pop)
 #endif
 
+#ifdef PDF4QT_COMPILER_CLANG
+#pragma clang diagnostic pop
+#endif
 
 #ifdef Q_OS_WIN
 #ifndef NOMINMAX
diff --git a/Pdf4QtLib/sources/pdfjbig2decoder.cpp b/Pdf4QtLib/sources/pdfjbig2decoder.cpp
index 38e14ca..4620be1 100644
--- a/Pdf4QtLib/sources/pdfjbig2decoder.cpp
+++ b/Pdf4QtLib/sources/pdfjbig2decoder.cpp
@@ -2508,8 +2508,8 @@ void PDFJBIG2Decoder::processGenericRegion(const PDFJBIG2SegmentHeader& header)
         QByteArray endSequence(2, 0);
         if (!parameters.MMR)
         {
-            endSequence[0] = unsigned char(0xFF);
-            endSequence[1] = unsigned char(0xAC);
+            endSequence[0] = (unsigned char)(0xFF);
+            endSequence[1] = (unsigned char)(0xAC);
         }
 
         int endPosition = stream->indexOf(endSequence);
diff --git a/Pdf4QtLib/sources/pdfutils.cpp b/Pdf4QtLib/sources/pdfutils.cpp
index c4b688b..c0337cf 100644
--- a/Pdf4QtLib/sources/pdfutils.cpp
+++ b/Pdf4QtLib/sources/pdfutils.cpp
@@ -38,12 +38,21 @@
 #endif
 #endif
 
+#ifdef PDF4QT_COMPILER_CLANG
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wregister"
+#endif
+
 #pragma warning(push)
 #pragma warning(disable:5033)
 #define CMS_NO_REGISTER_KEYWORD
 #include <lcms2.h>
 #pragma warning(pop)
 
+#ifdef PDF4QT_COMPILER_CLANG
+#pragma clang diagnostic pop
+#endif
+
 namespace pdf
 {