--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ViewerPlugin/RawTile.h	Mon Jul 10 08:31:50 2023 +0200
@@ -0,0 +1,67 @@
+/**
+ * Orthanc - A Lightweight, RESTful DICOM Store
+ * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
+ * Department, University Hospital of Liege, Belgium
+ * Copyright (C) 2017-2023 Osimis S.A., Belgium
+ * Copyright (C) 2021-2023 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Affero General Public License
+ * as published by the Free Software Foundation, either version 3 of
+ * the License, or (at your option) any later version.
+ *
+ * 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
+ * Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ **/
+
+
+#pragma once
+
+#include "../Framework/Enumerations.h"
+#include "../Framework/Inputs/ITiledPyramid.h"
+
+#include <orthanc/OrthancCPlugin.h>
+
+
+class RawTile : public boost::noncopyable
+{
+private:
+  Orthanc::PixelFormat               format_;
+  unsigned int                       tileWidth_;
+  unsigned int                       tileHeight_;
+  Orthanc::PhotometricInterpretation photometric_;
+  std::string                        tile_;
+  OrthancWSI::ImageCompression       compression_;
+
+  Orthanc::ImageAccessor* DecodeInternal();
+
+  static void EncodeInternal(std::string& encoded,
+                             const Orthanc::ImageAccessor& decoded,
+                             Orthanc::MimeType transcodingType);
+
+public:
+  RawTile(OrthancWSI::ITiledPyramid& pyramid,
+          unsigned int level,
+          unsigned int tileX,
+          unsigned int tileY);
+
+  void Answer(OrthancPluginRestOutput* output,
+              Orthanc::MimeType transcodingType);
+
+  Orthanc::ImageAccessor* Decode();
+
+  static void Encode(std::string& encoded,
+                     const Orthanc::ImageAccessor& decoded,
+                     Orthanc::MimeType transcodingType);
+
+  // This semaphore is used to implement throttling for the
+  // decoding/encoding of tiles
+  static void InitializeTranscoderSemaphore(unsigned int maxThreads);
+
+  static void FinalizeTranscoderSemaphore();
+};