File Fix-building-against-Exiv2-main-branch.patch of Package gwenview4

From 84c6c47f0f0117cbceda2aa664c462bfaa959b67 Mon Sep 17 00:00:00 2001
From: Alex Richardson <Alexander.Richardson@cl.cam.ac.uk>
Date: Fri, 21 Jan 2022 10:22:01 +0000
Subject: [PATCH] Fix building against Exiv2 main branch

The current main branch of Exiv2 has an API change that makes these
fields private: https://github.com/Exiv2/exiv2/commit/c9d0cf36434c351a4dcf289d407ac70252a8ed72
---
 lib/jpegcontent.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/jpegcontent.cpp b/lib/jpegcontent.cpp
index ca0aa9ee2..0063fc797 100644
--- a/lib/jpegcontent.cpp
+++ b/lib/jpegcontent.cpp
@@ -546,7 +546,11 @@ QImage JpegContent::thumbnail() const
 #else
         Exiv2::DataBuf thumbnail = d->mExifData.copyThumbnail();
 #endif
+#if (EXIV2_TEST_VERSION(0, 28, 0))
+        image.loadFromData(thumbnail.data(), thumbnail.size());
+#else
         image.loadFromData(thumbnail.pData_, thumbnail.size_);
+#endif
     }
     return image;
 }
-- 
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