Embedding a BMP Image into an XML Document with Zip Data Compression

Downloads:

MS Windows Visual C/C++ Libraries

Linux/CentOS C/C++ Libraries

MAC OS X C/C++ Libraries

Solaris C/C++ Libraries

C++ Builder Libraries

Source Code Listing

// Store a Zip compressed BMP image in an XML file.
void CreateBmpXml(void)
    {
    // Our XML document.
    CkXml xml;
    xml.put_Tag("root");

    // Load a file.
    CkByteData byteData;
    byteData.loadFile("dudeCPP.bmp");

    // Create a child XML node to hold the BMP image.
    CkXml *node = xml.NewChild("bmp_image","");

    // Add the filename as an attribute.
    node->AddAttribute("filename","dudeCPP.bmp");

    // Add the binary data (and Zip compress it.)
    bool zipCompress = true;
    bool aesEncrypt = false;
    const char *aesPassword = 0;
    node->SetBinaryContent(byteData.getData(),byteData.getSize(),zipCompress,aesEncrypt,aesPassword);

    // Save the XML.
    xml.SaveXml("BmpImage.xml");

    
    // Access the binary data and save it to another BMP to 
    // prove that the data is preserved.
    CkByteData b;
    node->GetBinaryContent(b,zipCompress,aesEncrypt,aesPassword);
    b.saveFile("dudeOut.bmp");

    delete node;

    return;
    }