--- a/Plugins/Engine/OrthancPlugins.cpp	Fri Nov 27 18:17:31 2015 +0100
+++ b/Plugins/Engine/OrthancPlugins.cpp	Mon Nov 30 10:34:04 2015 +0100
@@ -2285,10 +2285,8 @@
         {
           return reinterpret_cast<ImageAccessor*>(pluginImage);
         }
-        else
-        {
-          LOG(WARNING) << "The custom image decoder cannot handle an image, trying with the built-in decoder";
-        }
+
+        LOG(WARNING) << "The custom image decoder cannot handle an image, trying with the built-in decoder";
       }
     }
 

--- a/Plugins/Samples/GdcmDecoder/GdcmDecoderCache.cpp	Fri Nov 27 18:17:31 2015 +0100
+++ b/Plugins/Samples/GdcmDecoder/GdcmDecoderCache.cpp	Mon Nov 30 10:34:04 2015 +0100
@@ -77,13 +77,13 @@
           md5_ == md5)
       {
         // This is the same image: Reuse the previous decoding
-        return new OrthancImageWrapper(context, *decoder_, frameIndex);
+        return new OrthancImageWrapper(context, decoder_->Decode(context, frameIndex));
       }
     }
 
     // This is not the same image
     std::auto_ptr<GdcmImageDecoder> decoder(new GdcmImageDecoder(dicom, size));
-    std::auto_ptr<OrthancImageWrapper> image(new OrthancImageWrapper(context, *decoder, frameIndex));
+    std::auto_ptr<OrthancImageWrapper> image(new OrthancImageWrapper(context, decoder->Decode(context, frameIndex)));
 
     {
       // Cache the newly created decoder for further use

--- a/Plugins/Samples/GdcmDecoder/GdcmImageDecoder.cpp	Fri Nov 27 18:17:31 2015 +0100
+++ b/Plugins/Samples/GdcmDecoder/GdcmImageDecoder.cpp	Mon Nov 30 10:34:04 2015 +0100
@@ -222,30 +222,6 @@
   }
 
 
-  double GdcmImageDecoder::GetSlope() const
-  {
-    return pimpl_->GetImage().GetSlope();
-  }
-
-
-  double GdcmImageDecoder::GetIntercept() const
-  {
-    return pimpl_->GetImage().GetIntercept();
-  }
-
-
-  double GdcmImageDecoder::GetColumnPixelSpacing() const
-  {
-    return pimpl_->GetImage().GetSpacing(1);
-  }
-
-
-  double GdcmImageDecoder::GetRowPixelSpacing() const
-  {
-    return pimpl_->GetImage().GetSpacing(0);
-  }
-
-
   size_t GdcmImageDecoder::GetBytesPerPixel(OrthancPluginPixelFormat format)
   {
     switch (format)

--- a/Plugins/Samples/GdcmDecoder/GdcmImageDecoder.h	Fri Nov 27 18:17:31 2015 +0100
+++ b/Plugins/Samples/GdcmDecoder/GdcmImageDecoder.h	Mon Nov 30 10:34:04 2015 +0100
@@ -45,14 +45,6 @@
 
     unsigned int GetFramesCount() const;
 
-    double GetSlope() const;
-
-    double GetIntercept() const;
-
-    double GetColumnPixelSpacing() const;
-
-    double GetRowPixelSpacing() const;    
-
     static size_t GetBytesPerPixel(OrthancPluginPixelFormat format);
 
     OrthancPluginImage* Decode(OrthancPluginContext* context,

--- a/Plugins/Samples/GdcmDecoder/OrthancImageWrapper.cpp	Fri Nov 27 18:17:31 2015 +0100
+++ b/Plugins/Samples/GdcmDecoder/OrthancImageWrapper.cpp	Mon Nov 30 10:34:04 2015 +0100
@@ -28,11 +28,7 @@
                                            OrthancPluginPixelFormat format,
                                            uint32_t width,
                                            uint32_t height) :
-    context_(context),
-    slope_(1),
-    intercept_(0),
-    rowPixelSpacing_(1),
-    columnPixelSpacing_(1)
+    context_(context)
   {
     image_ = OrthancPluginCreateImage(context_, format, width, height);
     if (image_ == NULL)
@@ -43,14 +39,9 @@
 
 
   OrthancImageWrapper::OrthancImageWrapper(OrthancPluginContext* context,
-                                           GdcmImageDecoder& decoder,
-                                           unsigned int frameIndex) :
+                                           OrthancPluginImage* image) :
     context_(context),
-    image_(decoder.Decode(context, frameIndex)),
-    slope_(decoder.GetSlope()),
-    intercept_(decoder.GetIntercept()),
-    rowPixelSpacing_(decoder.GetRowPixelSpacing()),
-    columnPixelSpacing_(decoder.GetColumnPixelSpacing())
+    image_(image)
   {
   }
 

--- a/Plugins/Samples/GdcmDecoder/OrthancImageWrapper.h	Fri Nov 27 18:17:31 2015 +0100
+++ b/Plugins/Samples/GdcmDecoder/OrthancImageWrapper.h	Mon Nov 30 10:34:04 2015 +0100
@@ -31,10 +31,6 @@
   private:
     OrthancPluginContext*  context_;
     OrthancPluginImage*    image_;
-    double                 slope_;
-    double                 intercept_;
-    double                 rowPixelSpacing_;
-    double                 columnPixelSpacing_;
 
   public:
     OrthancImageWrapper(OrthancPluginContext* context,
@@ -43,8 +39,7 @@
                         uint32_t height);
 
     OrthancImageWrapper(OrthancPluginContext* context,
-                        GdcmImageDecoder& decoder,
-                        unsigned int frameIndex);
+                        OrthancPluginImage* image);  // Takes ownership
 
     ~OrthancImageWrapper();
 
@@ -64,25 +59,5 @@
     OrthancPluginPixelFormat GetFormat();
 
     char* GetBuffer();
-
-    double GetSlope() const
-    {
-      return slope_;
-    }
-
-    double GetIntercept() const
-    {
-      return intercept_;
-    }
-
-    double GetRowPixelSpacing() const
-    {
-      return rowPixelSpacing_;
-    }
-
-    double GetColumnPixelSpacing() const
-    {
-      return columnPixelSpacing_;
-    }
   };
 }

--- a/Plugins/Samples/GdcmDecoder/Plugin.cpp	Fri Nov 27 18:17:31 2015 +0100
+++ b/Plugins/Samples/GdcmDecoder/Plugin.cpp	Mon Nov 30 10:34:04 2015 +0100
@@ -39,7 +39,7 @@
 #if 0
     // Do not use the cache
     OrthancPlugins::GdcmImageDecoder decoder(dicom, size);
-    image.reset(new OrthancPlugins::OrthancImageWrapper(context_, decoder, frameIndex));
+    image.reset(new OrthancPlugins::OrthancImageWrapper(context_, decoder.Decode(context_, frameIndex)));
 #else
     image.reset(cache_.Decode(context_, dicom, size, frameIndex));
 #endif