0032086: Visualization - support deferred data loading

[occt.git] / src / RWGltf / RWGltf_PrimitiveArrayReader.cxx

diff --git a/src/RWGltf/RWGltf_PrimitiveArrayReader.cxx b/src/RWGltf/RWGltf_PrimitiveArrayReader.cxx
deleted file mode 100644 (file)
index bb3c06f..0000000
--- a/src/RWGltf/RWGltf_PrimitiveArrayReader.cxx
+++ /dev/null
@@ -1,84 +0,0 @@
-// Author: Kirill Gavrilov
-// Copyright (c) 2019 OPEN CASCADE SAS
-//
-// This file is part of Open CASCADE Technology software library.
-//
-// This library is free software; you can redistribute it and/or modify it under
-// the terms of the GNU Lesser General Public License version 2.1 as published
-// by the Free Software Foundation, with special exception defined in the file
-// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
-// distribution for complete text of the license and disclaimer of any warranty.
-//
-// Alternatively, this file may be used under the terms of Open CASCADE
-// commercial license or contractual agreement.
-
-#include <RWGltf_PrimitiveArrayReader.hxx>
-
-#include <RWGltf_GltfLatePrimitiveArray.hxx>
-
-#include <BRep_Builder.hxx>
-#include <Message.hxx>
-#include <Message_Messenger.hxx>
-#include <OSD_CachedFileSystem.hxx>
-#include <Standard_ArrayStreamBuffer.hxx>
-#include <TopoDS.hxx>
-#include <TopoDS_Iterator.hxx>
-
-IMPLEMENT_STANDARD_RTTIEXT(RWGltf_PrimitiveArrayReader, Standard_Transient)
-
-// =======================================================================
-// function : reportError
-// purpose  :
-// =======================================================================
-void RWGltf_PrimitiveArrayReader::reportError (const TCollection_AsciiString& theText)
-{
-  Message::SendFail (myErrorPrefix + theText);
-}
-
-// =======================================================================
-// function : load
-// purpose  :
-// =======================================================================
-bool RWGltf_PrimitiveArrayReader::load (const Handle(RWGltf_GltfLatePrimitiveArray)& theMesh,
-                                        const Handle(OSD_FileSystem)& theFileSystem)
-{
-  reset();
-  if (theMesh.IsNull()
-   || theMesh->PrimitiveMode() == RWGltf_GltfPrimitiveMode_UNKNOWN)
-  {
-    return false;
-  }
-
-  for (NCollection_Sequence<RWGltf_GltfPrimArrayData>::Iterator aDataIter (theMesh->Data()); aDataIter.More(); aDataIter.Next())
-  {
-    const RWGltf_GltfPrimArrayData& aData = aDataIter.Value();
-    if (!aData.StreamData.IsNull())
-    {
-      Standard_ArrayStreamBuffer aStreamBuffer ((const char* )aData.StreamData->Data(), aData.StreamData->Size());
-      std::istream aStream (&aStreamBuffer);
-      aStream.seekg ((std::streamoff )aData.StreamOffset, std::ios_base::beg);
-      if (!readBuffer (aStream, theMesh->Id(), aData.Accessor, aData.Type, theMesh->PrimitiveMode()))
-      {
-        return false;
-      }
-      continue;
-    }
-    else if (aData.StreamUri.IsEmpty())
-    {
-      reportError (TCollection_AsciiString ("Buffer '") + theMesh->Id() + "' does not define uri.");
-      return false;
-    }
-
-    opencascade::std::shared_ptr<std::istream> aSharedStream = theFileSystem->OpenIStream (aData.StreamUri, std::ios::in | std::ios::binary, aData.StreamOffset);
-    if (aSharedStream.get() == NULL)
-    {
-      reportError (TCollection_AsciiString ("Buffer '") + theMesh->Id() + "refers to invalid file '" + aData.StreamUri + "'.");
-      return false;
-    }
-    if (!readBuffer (*aSharedStream.get(), theMesh->Id(), aData.Accessor, aData.Type, theMesh->PrimitiveMode()))
-    {
-      return false;
-    }
-  }
-  return true;
-}