Example6.cpp

#include"ImLib3D.hpp"

// Demonstrates how to override the Streamable class and how to use the XMLBinaryFile

class MyStreamableClass : public Streamable
{
    float someComplexBinaryData; //Your complex binary data that you want to be storable
public:
    void Read( ImLib3DFile *file,XMLNode *parentNode=NULL,XMLNode *node=NULL);
    void Write(ImLib3DFile *file,XMLNode *parentNode=NULL,XMLNode *node=NULL) const;
    MyStreamableClass(float theData) : someComplexBinaryData(theData)
    {
        ;
    }
    MyStreamableClass(const string &fname)
    {
        ReadFromFile(fname); // Calls ReadFromFile which in turn calls Read
    }
};

int main (int argc, char** argv)
{
    MyStreamableClass myObj(3);
    
    string fname="streamable.test";
    myObj.WriteToFile(fname); // The method Streamable::WriteToFile() calls Write();

    
}

// Implementations -----------------------------------------------------

// XMLBinaryFile makes it possible to store binary information along with the text. 
// To do this it write the data into a temporary file and joins the files afterwards. 
inline 
void 
MyStreamableClass::Write( ImLib3DFile *file,XMLNode *parentNode,XMLNode *node) const
{
    // First we need to create the top node with our proper name
    node = CreateWriteNode("MyStreamableClassFile",file,parentNode,node);

    // Or/And we can add binary node(s) :
    XMLNode* dataNode = file->AddChild(node, "DataNode"); //conceptionally we want this to be node on its own
    file->AddBinaryNode(dataNode, sizeof(float));
    
    // Finally we need to write the data itself
    file->BinaryWrite((void*)(&someComplexBinaryData), sizeof(float));
    
    // The temp text and data will be joined automatically on file close (or file object destruction)
}

inline 
void 
MyStreamableClass::Read( ImLib3DFile *file,XMLNode *parentNode,XMLNode *node)
{
    // First we need to find the top node
    node = CreateReadNode("MyStreamableClassFile",file,parentNode,node); // The name MUST correspond to the name in Write

    // Find the binary node:
    XMLNode* dataNode = file -> GetChild(node, "DataNode");

    file->ReadBinaryNode(dataNode);

    file->BinaryRead((void*)(&someComplexBinaryData), sizeof(float)); 

    // Optionally you can test if the data was all read:
    if(!file->CheckBinaryReadComplete())
    {ThrowError("ImageVectorsFile::Read bad read size ");}
}

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