--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Core/DicomParsing/MemoryBufferTranscoder.cpp	Wed May 06 12:48:28 2020 +0200
@@ -0,0 +1,116 @@
+/**
+ * Orthanc - A Lightweight, RESTful DICOM Store
+ * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
+ * Department, University Hospital of Liege, Belgium
+ * Copyright (C) 2017-2020 Osimis S.A., Belgium
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * In addition, as a special exception, the copyright holders of this
+ * program give permission to link the code of its release with the
+ * OpenSSL project's "OpenSSL" library (or with modified versions of it
+ * that use the same license as the "OpenSSL" library), and distribute
+ * the linked executables. You must obey the GNU General Public License
+ * in all respects for all of the code used other than "OpenSSL". If you
+ * modify file(s) with this exception, you may extend this exception to
+ * your version of the file(s), but you are not obligated to do so. If
+ * you do not wish to do so, delete this exception statement from your
+ * version. If you delete this exception statement from all source files
+ * in the program, then also delete it here.
+ * 
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ **/
+
+
+#include "../PrecompiledHeaders.h"
+#include "MemoryBufferTranscoder.h"
+
+#include "../OrthancException.h"
+#include "FromDcmtkBridge.h"
+
+namespace Orthanc
+{
+  MemoryBufferTranscoder::MemoryBufferTranscoder(bool tryDcmtk) :
+    tryDcmtk_(tryDcmtk)
+  {
+#if ORTHANC_ENABLE_DCMTK_TRANSCODING != 1
+    if (tryDcmtk)
+    {
+      throw OrthancException(ErrorCode_NotImplemented,
+                             "Orthanc was built without support for DMCTK transcoding");
+    }
+#endif    
+  }
+
+  bool MemoryBufferTranscoder::TranscodeToBuffer(std::string& target,
+                                                 const void* buffer,
+                                                 size_t size,
+                                                 const std::set<DicomTransferSyntax>& allowedSyntaxes,
+                                                 bool allowNewSopInstanceUid)
+  {
+#if ORTHANC_ENABLE_DCMTK_TRANSCODING == 1
+    if (tryDcmtk_)
+    {
+      return dcmtk_.TranscodeToBuffer(target, buffer, size, allowedSyntaxes, allowNewSopInstanceUid);
+    }
+    else
+#endif
+    {
+      return Transcode(target, buffer, size, allowedSyntaxes, allowNewSopInstanceUid);
+    }
+  }
+
+  
+  DcmFileFormat* MemoryBufferTranscoder::TranscodeToParsed(const void* buffer,
+                                                           size_t size,
+                                                           const std::set<DicomTransferSyntax>& allowedSyntaxes,
+                                                           bool allowNewSopInstanceUid)
+  {
+#if ORTHANC_ENABLE_DCMTK_TRANSCODING == 1
+    if (tryDcmtk_)
+    {
+      return dcmtk_.TranscodeToParsed(buffer, size, allowedSyntaxes, allowNewSopInstanceUid);
+    }
+    else
+#endif
+    {
+      std::string transcoded;
+      if (Transcode(transcoded, buffer, size, allowedSyntaxes, allowNewSopInstanceUid))
+      {
+        return FromDcmtkBridge::LoadFromMemoryBuffer(
+          transcoded.empty() ? NULL : transcoded.c_str(), transcoded.size());
+      }
+      else
+      {
+        return NULL;
+      }
+    }
+  }
+
+
+  bool MemoryBufferTranscoder::InplaceTranscode(DcmFileFormat& dicom,
+                                                const std::set<DicomTransferSyntax>& allowedSyntaxes,
+                                                bool allowNewSopInstanceUid)
+  {
+#if ORTHANC_ENABLE_DCMTK_TRANSCODING == 1
+    if (tryDcmtk_)
+    {
+      return dcmtk_.InplaceTranscode(dicom, allowedSyntaxes, allowNewSopInstanceUid);
+    }
+    else
+#endif
+    {
+      // "HasInplaceTranscode()" should have been called
+      throw OrthancException(ErrorCode_BadSequenceOfCalls);
+    }
+  }
+}