Improve some error messages

apps/essimporter/converter.cpp

@@ -143,7 +143,7 @@ namespace ESSImport
         osgDB::ReaderWriter::WriteResult result = readerwriter->writeImage(*image2, ostream);
         if (!result.success())
         {
-            std::cerr << "can't write global map image: " << result.message() << std::endl;
+            std::cerr << "can't write global map image: " << result.message() << " code " << result.status() << std::endl;
             return;
         }
 

apps/openmw/engine.cpp

@@ -425,7 +425,7 @@ void OMW::Engine::setWindowIcon()
     }
     osgDB::ReaderWriter::ReadResult result = reader->readImage(windowIconStream);
     if (!result.success())
-        std::cerr << "Failed to read " << windowIcon << ": " << result.message() << std::endl;
+        std::cerr << "Failed to read " << windowIcon << ": " << result.message() << " code " << result.status() << std::endl;
     else
     {
         osg::ref_ptr<osg::Image> image = result.getImage();
@@ -602,7 +602,7 @@ public:
         osgDB::ReaderWriter::WriteResult result = readerwriter->writeImage(image, outStream);
         if (!result.success())
         {
-            std::cerr << "Can't write screenshot: " << result.message() << std::endl;
+            std::cerr << "Can't write screenshot: " << result.message() << " code " << result.status() << std::endl;
         }
     }
 

apps/openmw/mwgui/savegamedialog.cpp

@@ -401,7 +401,7 @@ namespace MWGui
         osgDB::ReaderWriter::ReadResult result = readerwriter->readImage(instream);
         if (!result.success())
         {
-            std::cerr << "Failed to read savegame screenshot: " << result.message() << std::endl;
+            std::cerr << "Failed to read savegame screenshot: " << result.message() << " code " << result.status() << std::endl;
             return;
         }
 

apps/openmw/mwrender/globalmap.cpp

@@ -361,7 +361,7 @@ namespace MWRender
         osgDB::ReaderWriter::WriteResult result = readerwriter->writeImage(*mOverlayImage, ostream);
         if (!result.success())
         {
-            std::cerr << "Can't write map overlay: " << result.message() << std::endl;
+            std::cerr << "Can't write map overlay: " << result.message() << " code " << result.status() << std::endl;
             return;
         }
 
@@ -411,7 +411,7 @@ namespace MWRender
         osgDB::ReaderWriter::ReadResult result = readerwriter->readImage(istream);
         if (!result.success())
         {
-            std::cerr << "Can't read map overlay: " << result.message() << std::endl;
+            std::cerr << "Can't read map overlay: " << result.message() << " code " << result.status() << std::endl;
             return;
         }
 

apps/openmw/mwrender/localmap.cpp

@@ -645,7 +645,7 @@ void LocalMap::MapSegment::loadFogOfWar(const ESM::FogTexture &esm)
     osgDB::ReaderWriter::ReadResult result = readerwriter->readImage(in);
     if (!result.success())
     {
-        std::cerr << "Failed to read fog: " << result.message() << std::endl;
+        std::cerr << "Failed to read fog: " << result.message() << " code " << result.status() << std::endl;
         return;
     }
 
@@ -677,7 +677,7 @@ void LocalMap::MapSegment::saveFogOfWar(ESM::FogTexture &fog) const
     osgDB::ReaderWriter::WriteResult result = readerwriter->writeImage(*mFogOfWarImage, ostream);
     if (!result.success())
     {
-        std::cerr << "Unable to write fog: " << result.message() << std::endl;
+        std::cerr << "Unable to write fog: " << result.message() << " code " << result.status() << std::endl;
         return;
     }
     mFogOfWarImage->flipVertical();

apps/openmw/mwstate/statemanagerimp.cpp

@@ -606,7 +606,7 @@ void MWState::StateManager::writeScreenshot(std::vector<char> &imageData) const
     osgDB::ReaderWriter::WriteResult result = readerwriter->writeImage(*screenshot, ostream);
     if (!result.success())
     {
-        std::cerr << "Unable to write screenshot: " << result.message() << std::endl;
+        std::cerr << "Unable to write screenshot: " << result.message() << " code " << result.status() << std::endl;
         return;
     }
 

components/resource/texturemanager.cpp

@@ -182,7 +182,7 @@ namespace Resource
             osgDB::ReaderWriter::ReadResult result = reader->readImage(*stream, opts);
             if (!result.success())
             {
-                std::cerr << "Error loading " << filename << ": " << result.message() << std::endl;
+                std::cerr << "Error loading " << filename << ": " << result.message() << " code " << result.status() << std::endl;
                 return mWarningTexture;
             }