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Data Exchange, Gltf Export - Metadata support #79

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Add supporting of metadata key-value export into extras section of each node.
This commit is contained in:
ika
2024-09-30 12:12:05 +01:00
committed by dpasukhi
parent 3462ea5716
commit 5cc7cbea8b
15 changed files with 185 additions and 0 deletions
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112
src/RWGltf/RWGltf_CafWriter.cxx
View File

@@ -1978,6 +1978,8 @@ void RWGltf_CafWriter::writeNodes (const Handle(TDocStd_Document)& theDocument,
#ifdef HAVE_RAPIDJSON
Standard_ProgramError_Raise_if (myWriter.get() == NULL, "Internal error: RWGltf_CafWriter::writeNodes()");
Handle(XCAFDoc_ShapeTool) aShapeTool = XCAFDoc_DocumentTool::ShapeTool(theDocument->Main());
// Prepare full indexed map of scene nodes in correct order.
RWGltf_GltfSceneNodeMap aSceneNodeMapWithChildren; // indexes starting from 1
for (XCAFPrs_DocumentExplorer aDocExplorer (theDocument, theRootLabels, XCAFPrs_DocumentExplorerFlags_None);
@@ -2130,6 +2132,18 @@ void RWGltf_CafWriter::writeNodes (const Handle(TDocStd_Document)& theDocument,
myWriter->String (aNodeName.ToCString());
}
}
{
Handle(TDataStd_NamedData) aNamedData = aShapeTool->GetNamedProperties(aDocNode.Label);
Handle(TDataStd_NamedData) aRefNamedData = aShapeTool->GetNamedProperties(aDocNode.RefLabel);
if (!aNamedData.IsNull() || !aRefNamedData.IsNull())
{
myWriter->Key("extras");
myWriter->StartObject();
writeExtrasAttributes(aNamedData);
writeExtrasAttributes(aRefNamedData);
myWriter->EndObject();
}
}
myWriter->EndObject();
}
myWriter->EndArray();
@@ -2142,6 +2156,104 @@ void RWGltf_CafWriter::writeNodes (const Handle(TDocStd_Document)& theDocument,
#endif
}
// =======================================================================
// function : writeExtrasAttributes
// purpose :
// =======================================================================
void RWGltf_CafWriter::writeExtrasAttributes(const Handle(TDataStd_NamedData)& theNamedData)
{
#ifdef HAVE_RAPIDJSON
Standard_ProgramError_Raise_if(myWriter.get() == NULL, "Internal error: RWGltf_CafWriter::writeExtrasAttributes()");
if (theNamedData.IsNull())
return;
theNamedData->LoadDeferredData();
if (theNamedData->HasIntegers())
{
const TColStd_DataMapOfStringInteger& anIntProperties = theNamedData->GetIntegersContainer();
for (TColStd_DataMapIteratorOfDataMapOfStringInteger anIter(anIntProperties);
anIter.More(); anIter.Next())
{
TCollection_AsciiString aKey(anIter.Key());
myWriter->Key(aKey.ToCString());
myWriter->Int(anIter.Value());
}
}
if (theNamedData->HasReals())
{
const TDataStd_DataMapOfStringReal& aRealProperties = theNamedData->GetRealsContainer();
for (TDataStd_DataMapIteratorOfDataMapOfStringReal anIter(aRealProperties);
anIter.More(); anIter.Next())
{
TCollection_AsciiString aKey(anIter.Key());
myWriter->Key(aKey.ToCString());
myWriter->Double(anIter.Value());
}
}
if (theNamedData->HasStrings())
{
const TDataStd_DataMapOfStringString& aStringProperties = theNamedData->GetStringsContainer();
for (TDataStd_DataMapIteratorOfDataMapOfStringString anIter(aStringProperties);
anIter.More(); anIter.Next())
{
TCollection_AsciiString aKey(anIter.Key());
TCollection_AsciiString aValue(anIter.Value());
myWriter->Key(aKey.ToCString());
myWriter->String(aValue.ToCString());
}
}
if (theNamedData->HasBytes())
{
const TDataStd_DataMapOfStringByte& aByteProperties = theNamedData->GetBytesContainer();
for (TDataStd_DataMapOfStringByte::Iterator anIter(aByteProperties);
anIter.More(); anIter.Next())
{
TCollection_AsciiString aKey(anIter.Key());
myWriter->Key(aKey.ToCString());
myWriter->Int(anIter.Value());
}
}
if (theNamedData->HasArraysOfIntegers())
{
const TDataStd_DataMapOfStringHArray1OfInteger& anArrayIntegerProperties =
theNamedData->GetArraysOfIntegersContainer();
for (TDataStd_DataMapOfStringHArray1OfInteger::Iterator anIter(anArrayIntegerProperties);
anIter.More(); anIter.Next())
{
TCollection_AsciiString aKey(anIter.Key());
myWriter->Key(aKey.ToCString());
myWriter->StartArray();
for (TColStd_HArray1OfInteger::Iterator anSubIter(anIter.Value()->Array1());
anSubIter.More(); anSubIter.Next())
{
myWriter->Int(anSubIter.Value());
}
myWriter->EndArray();
}
}
if (theNamedData->HasArraysOfReals())
{
const TDataStd_DataMapOfStringHArray1OfReal& anArrayRealsProperties =
theNamedData->GetArraysOfRealsContainer();
for (TDataStd_DataMapOfStringHArray1OfReal::Iterator anIter(anArrayRealsProperties);
anIter.More(); anIter.Next())
{
TCollection_AsciiString aKey(anIter.Key());
myWriter->Key(aKey.ToCString());
myWriter->StartArray();
for (TColStd_HArray1OfReal::Iterator anSubIter(anIter.Value()->Array1());
anSubIter.More(); anSubIter.Next())
{
myWriter->Double(anSubIter.Value());
}
myWriter->EndArray();
}
}
#else
(void)theNamedData;
#endif
}
// =======================================================================
// function : writeSamplers
// purpose :

5
src/RWGltf/RWGltf_CafWriter.hxx
View File

@@ -34,6 +34,7 @@ class RWMesh_FaceIterator;
class RWGltf_GltfOStreamWriter;
class RWGltf_GltfMaterialMap;
class RWGltf_GltfSceneNodeMap;
class TDataStd_NamedData;
class TDocStd_Document;
//! glTF writer context from XCAF document.
@@ -349,6 +350,10 @@ protected:
//! @param theMaterialMap [out] map of materials, filled with textures
Standard_EXPORT virtual void writeTextures (const RWGltf_GltfSceneNodeMap& theSceneNodeMap);
//! Write nodes.extras section with key-value attributes.
//! @param theNamedData [in] attributes map to process.
Standard_EXPORT virtual void writeExtrasAttributes(const Handle(TDataStd_NamedData)& theNamedData);
protected:
//! Shape + Style pair.