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d8a26498d25dcd76f6d5bc43c32f5e83bb0b7537
OCCT/src/DEBRepCascade/DEBRepCascade_Provider.cxx
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anv d8a26498d2 0033813: Data Exchange - Implementing common logic for scaling during Write procedure 
Implementation of common logic for OCCT formats.
2024-09-26 11:28:15 +00:00

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// Copyright (c) 2022 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 <DEBRepCascade_Provider.hxx>
#include <BinTools.hxx>
#include <BinXCAFDrivers.hxx>
#include <BRep_Builder.hxx>
#include <BRepTools.hxx>
#include <DEBRepCascade_ConfigurationNode.hxx>
#include <Message.hxx>
#include <OSD_FileSystem.hxx>
#include <TDocStd_Document.hxx>
#include <XCAFDoc_ShapeTool.hxx>
#include <XCAFDoc_DocumentTool.hxx>
IMPLEMENT_STANDARD_RTTIEXT(DEBRepCascade_Provider, DE_Provider)
//=======================================================================
// function : DEBRepCascade_Provider
// purpose :
//=======================================================================
DEBRepCascade_Provider::DEBRepCascade_Provider()
{}
//=======================================================================
// function : DEBRepCascade_Provider
// purpose :
//=======================================================================
DEBRepCascade_Provider::DEBRepCascade_Provider(const Handle(DE_ConfigurationNode)& theNode)
:DE_Provider(theNode)
{}
//=======================================================================
// function : Read
// purpose :
//=======================================================================
bool DEBRepCascade_Provider::Read(const TCollection_AsciiString& thePath,
const Handle(TDocStd_Document)& theDocument,
Handle(XSControl_WorkSession)& theWS,
const Message_ProgressRange& theProgress)
{
(void)theWS;
return Read(thePath, theDocument, theProgress);
}
//=======================================================================
// function : Write
// purpose :
//=======================================================================
bool DEBRepCascade_Provider::Write(const TCollection_AsciiString& thePath,
const Handle(TDocStd_Document)& theDocument,
Handle(XSControl_WorkSession)& theWS,
const Message_ProgressRange& theProgress)
{
(void)theWS;
return Write(thePath, theDocument, theProgress);
}
//=======================================================================
// function : Read
// purpose :
//=======================================================================
bool DEBRepCascade_Provider::Read(const TCollection_AsciiString& thePath,
const Handle(TDocStd_Document)& theDocument,
const Message_ProgressRange& theProgress)
{
if(theDocument.IsNull())
{
Message::SendFail() << "Error in the DEBRepCascade_Provider during reading the file " <<
thePath << "\t: theDocument shouldn't be null";
return false;
}
TopoDS_Shape aShape;
if (!Read(thePath, aShape, theProgress))
{
return false;
}
Handle(XCAFDoc_ShapeTool) aShTool = XCAFDoc_DocumentTool::ShapeTool(theDocument->Main());
aShTool->AddShape(aShape);
return true;
}
//=======================================================================
// function : Write
// purpose :
//=======================================================================
bool DEBRepCascade_Provider::Write(const TCollection_AsciiString& thePath,
const Handle(TDocStd_Document)& theDocument,
const Message_ProgressRange& theProgress)
{
TopoDS_Shape aShape;
TDF_LabelSequence aLabels;
Handle(XCAFDoc_ShapeTool) aSTool = XCAFDoc_DocumentTool::ShapeTool(theDocument->Main());
aSTool->GetFreeShapes(aLabels);
if (aLabels.Length() <= 0)
{
Message::SendFail() << "Error in the DEBRepCascade_Provider during writing the file " <<
thePath << "\t: Document contain no shapes";
return false;
}
Handle(DEBRepCascade_ConfigurationNode) aNode = Handle(DEBRepCascade_ConfigurationNode)::DownCast(GetNode());
if (aNode->GlobalParameters.LengthUnit != 1.0)
{
Message::SendWarning() << "Warning in the DEBRepCascade_Provider during writing the file " <<
thePath << "\t: Target Units for writing were changed, but current format doesn't support scaling";
}
if (aLabels.Length() == 1)
{
aShape = aSTool->GetShape(aLabels.Value(1));
}
else
{
TopoDS_Compound aComp;
BRep_Builder aBuilder;
aBuilder.MakeCompound(aComp);
for (Standard_Integer anIndex = 1; anIndex <= aLabels.Length(); anIndex++)
{
TopoDS_Shape aS = aSTool->GetShape(aLabels.Value(anIndex));
aBuilder.Add(aComp, aS);
}
aShape = aComp;
}
return Write(thePath, aShape, theProgress);
}
//=======================================================================
// function : Read
// purpose :
//=======================================================================
bool DEBRepCascade_Provider::Read(const TCollection_AsciiString& thePath,
TopoDS_Shape& theShape,
Handle(XSControl_WorkSession)& theWS,
const Message_ProgressRange& theProgress)
{
(void)theWS;
return Read(thePath, theShape, theProgress);
}
//=======================================================================
// function : Write
// purpose :
//=======================================================================
bool DEBRepCascade_Provider::Write(const TCollection_AsciiString& thePath,
const TopoDS_Shape& theShape,
Handle(XSControl_WorkSession)& theWS,
const Message_ProgressRange& theProgress)
{
(void)theWS;
return Write(thePath, theShape, theProgress);
}
//=======================================================================
// function : Read
// purpose :
//=======================================================================
bool DEBRepCascade_Provider::Read(const TCollection_AsciiString& thePath,
TopoDS_Shape& theShape,
const Message_ProgressRange& theProgress)
{
bool isBinaryFormat = true;
{
// probe file header to recognize format
const Handle(OSD_FileSystem)& aFileSystem = OSD_FileSystem::DefaultFileSystem();
std::shared_ptr<std::istream> aFile = aFileSystem->OpenIStream(thePath, std::ios::in | std::ios::binary);
if (aFile.get() == NULL)
{
Message::SendFail() << "Error in the DEBRepCascade_Provider during reading the file " <<
thePath << "\t: Cannot read the file";
return false;
}
char aStringBuf[255] = {};
aFile->read(aStringBuf, 255);
if (aFile->fail())
{
Message::SendFail() << "Error in the DEBRepCascade_Provider during reading the file " <<
thePath << "\t: Cannot read the file";
return false;
}
isBinaryFormat = !(::strncmp(aStringBuf, "DBRep_DrawableShape", 19) == 0);
}
if (isBinaryFormat)
{
if (!BinTools::Read(theShape, thePath.ToCString(), theProgress))
{
Message::SendFail() << "Error in the DEBRepCascade_Provider during reading the file " <<
thePath << "\t: Cannot read from the file";
return false;
}
}
else
{
if (!BRepTools::Read(theShape, thePath.ToCString(), BRep_Builder(), theProgress))
{
Message::SendFail() << "Error in the DEBRepCascade_Provider during reading the file " <<
thePath << "\t: Cannot read from the file";
return false;
}
}
return true;
}
//=======================================================================
// function : Write
// purpose :
//=======================================================================
bool DEBRepCascade_Provider::Write(const TCollection_AsciiString& thePath,
const TopoDS_Shape& theShape,
const Message_ProgressRange& theProgress)
{
if (GetNode().IsNull() || !GetNode()->IsKind(STANDARD_TYPE(DEBRepCascade_ConfigurationNode)))
{
Message::SendFail() << "Error in the DEBRepCascade_Provider during writing the file " <<
thePath << "\t: Incorrect or empty Configuration Node";
return false;
}
Handle(DEBRepCascade_ConfigurationNode) aNode = Handle(DEBRepCascade_ConfigurationNode)::DownCast(GetNode());
if (aNode->GlobalParameters.LengthUnit != 1.0)
{
Message::SendWarning() << "Warning in the DEBRepCascade_Provider during writing the file " <<
thePath << "\t: Target Units for writing were changed, but current format doesn't support scaling";
}
if (aNode->InternalParameters.WriteBinary)
{
if (aNode->InternalParameters.WriteVersionBin > static_cast<BinTools_FormatVersion>(BinTools_FormatVersion_UPPER) ||
aNode->InternalParameters.WriteVersionBin < static_cast<BinTools_FormatVersion>(BinTools_FormatVersion_LOWER))
{
Message::SendFail() << "Error in the DEBRepCascade_Provider during writing the file " <<
thePath << "\t: Unknown format version";
return false;
}
if (aNode->InternalParameters.WriteNormals &&
aNode->InternalParameters.WriteVersionBin < BinTools_FormatVersion_VERSION_4)
{
Message::SendFail() << "Error in the DEBRepCascade_Provider during writing the file " <<
thePath << "\t: Vertex normals require binary format version 4 or later";
return false;
}
if (!BinTools::Write(theShape, thePath.ToCString(), aNode->InternalParameters.WriteTriangles,
aNode->InternalParameters.WriteNormals, aNode->InternalParameters.WriteVersionBin, theProgress))
{
Message::SendFail() << "Error in the DEBRepCascade_Provider during writing the file " <<
thePath << "\t: Cannot write the file";
return false;
}
}
else
{
if (aNode->InternalParameters.WriteVersionAscii > static_cast<TopTools_FormatVersion>(TopTools_FormatVersion_UPPER) ||
aNode->InternalParameters.WriteVersionAscii < static_cast<TopTools_FormatVersion>(TopTools_FormatVersion_LOWER))
{
Message::SendFail() << "Error in the DEBRepCascade_Provider during writing the file " <<
thePath << "\t: Unknown format version";
return false;
}
if (aNode->InternalParameters.WriteNormals &&
aNode->InternalParameters.WriteVersionAscii < TopTools_FormatVersion_VERSION_3)
{
Message::SendFail() << "Error in the DEBRepCascade_Provider during writing the file " <<
thePath << "\t: Error: vertex normals require ascii format version 3 or later";
return false;
}
if (!BRepTools::Write(theShape, thePath.ToCString(), aNode->InternalParameters.WriteTriangles,
aNode->InternalParameters.WriteNormals, aNode->InternalParameters.WriteVersionAscii, theProgress))
{
Message::SendFail() << "Error in the DEBRepCascade_Provider during writing the file " <<
thePath << "\t: Cannot write the file";
return false;
}
}
return true;
}
//=======================================================================
// function : GetFormat
// purpose :
//=======================================================================
TCollection_AsciiString DEBRepCascade_Provider::GetFormat() const
{
return TCollection_AsciiString("BREP");
}
//=======================================================================
// function : GetVendor
// purpose :
//=======================================================================
TCollection_AsciiString DEBRepCascade_Provider::GetVendor() const
{
return TCollection_AsciiString("OCC");
}
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