--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Core/DicomParsing/MemoryBufferTranscoder.h	Wed May 06 12:48:28 2020 +0200
@@ -0,0 +1,90 @@
+/**
+ * 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/>.
+ **/
+
+
+#pragma once
+
+#if !defined(ORTHANC_ENABLE_DCMTK_TRANSCODING)
+#  error Macro ORTHANC_ENABLE_DCMTK_TRANSCODING must be defined to use this file
+#endif
+
+#if ORTHANC_ENABLE_DCMTK_TRANSCODING == 1
+#  include "DcmtkTranscoder.h"
+#endif
+
+namespace Orthanc
+{
+  // This is the basis class for transcoding plugins
+  class MemoryBufferTranscoder : public IDicomTranscoder
+  {
+  private:
+    bool  tryDcmtk_;
+
+#if ORTHANC_ENABLE_DCMTK_TRANSCODING == 1
+    DcmtkTranscoder  dcmtk_;
+#endif
+
+  protected:
+    virtual bool Transcode(std::string& target,
+                           const void* buffer,
+                           size_t size,
+                           const std::set<DicomTransferSyntax>& allowedSyntaxes,
+                           bool allowNewSopInstanceUid) = 0;
+    
+  public:
+    /**
+     * If "tryDcmtk" is "true", the transcoder will first try and call
+     * DCMTK, before calling its own "Transcode()" implementation.
+     **/
+    MemoryBufferTranscoder(bool tryDcmtk);
+    
+    virtual bool TranscodeToBuffer(std::string& target,
+                                   const void* buffer,
+                                   size_t size,
+                                   const std::set<DicomTransferSyntax>& allowedSyntaxes,
+                                   bool allowNewSopInstanceUid) ORTHANC_OVERRIDE;
+    
+    virtual DcmFileFormat* TranscodeToParsed(const void* buffer,
+                                             size_t size,
+                                             const std::set<DicomTransferSyntax>& allowedSyntaxes,
+                                             bool allowNewSopInstanceUid) ORTHANC_OVERRIDE;
+
+    virtual bool HasInplaceTranscode() const ORTHANC_OVERRIDE
+    {
+      return tryDcmtk_;
+    }
+    
+    virtual bool InplaceTranscode(DcmFileFormat& dicom,
+                                  const std::set<DicomTransferSyntax>& allowedSyntaxes,
+                                  bool allowNewSopInstanceUid) ORTHANC_OVERRIDE;
+  };
+}