KoFilter::ConversionStatus WPGImport::convert(const QByteArray& from, const QByteArray& to)
{
if (from != "application/x-wpg")
return KoFilter::NotImplemented;
if (to != "image/svg+xml")
return KoFilter::NotImplemented;
#if LIBWPG_VERSION_MINOR<2
WPXInputStream* input = new libwpg::WPGFileStream(m_chain->inputFile().toLocal8Bit());
if (input->isOLEStream()) {
WPXInputStream* olestream = input->getDocumentOLEStream();
if (olestream) {
delete input;
input = olestream;
}
}
libwpg::WPGString output;
#else
WPXInputStream* input = new WPXFileStream(m_chain->inputFile().toLocal8Bit());
if (input->isOLEStream()) {
WPXInputStream* olestream = input->getDocumentOLEStream("Anything");
if (olestream) {
delete input;
input = olestream;
}
}
::WPXString output;
#endif
if (!libwpg::WPGraphics::isSupported(input)) {
kWarning() << "ERROR: Unsupported file format (unsupported version) or file is encrypted!";
delete input;
return KoFilter::NotImplemented;
}
if (!libwpg::WPGraphics::generateSVG(input, output)) {
kWarning() << "ERROR: SVG Generation failed!";
delete input;
return KoFilter::ParsingError;
}
delete input;
QFile outputFile(m_chain->outputFile());
if(!outputFile.open(QIODevice::WriteOnly | QIODevice::Text)) {
kWarning() << "ERROR: Could not open output file" << m_chain->outputFile();
return KoFilter::InternalError;
}
outputFile.write(output.cstr());
outputFile.close();
return KoFilter::OK;
}
/**
Parses the input stream content. It will make callbacks to the functions provided by a
WPGPaintInterface class implementation when needed. This is often commonly called the
'main parsing routine'.
\param input The input stream
\param painter A WPGPainterInterface implementation
\return A value that indicates whether the parsing was successful
*/
bool libwpg::WPGraphics::parse(::WPXInputStream* input, libwpg::WPGPaintInterface* painter)
{
input->seek(0, WPX_SEEK_CUR);
WPGXParser *parser = 0;
WPXInputStream *graphics = 0;
bool isDocumentOLE = false;
if (input->isOLEStream())
{
graphics = input->getDocumentOLEStream();
if (graphics)
isDocumentOLE = true;
else
return false;
}
else
graphics = input;
WPG_DEBUG_MSG(("Loading header...\n"));
WPGHeader header;
if(!header.load(graphics))
{
if (graphics && isDocumentOLE)
delete graphics;
return false;
}
if(!header.isSupported())
{
WPG_DEBUG_MSG(("Unsupported file format!\n"));
if (graphics && isDocumentOLE)
delete graphics;
return false;
}
graphics->seek(header.startOfDocument(), WPX_SEEK_SET);
bool retval;
switch (header.majorVersion()) {
case 0x01: // WPG1
WPG_DEBUG_MSG(("Parsing WPG1\n"));
parser = new WPG1Parser(graphics, painter);
retval = parser->parse();
break;
case 0x02: // WPG2
WPG_DEBUG_MSG(("Parsing WPG2\n"));
parser = new WPG2Parser(graphics, painter);
retval = parser->parse();
break;
default: // other :-)
WPG_DEBUG_MSG(("Unknown format\n"));
if (graphics && isDocumentOLE)
delete graphics;
return false;
}
if (parser)
delete parser;
if (graphics && isDocumentOLE)
delete graphics;
return retval;
}
KoFilter::ConversionStatus WPGImport::convert( const QByteArray& from, const QByteArray& to )
{
if ( from != "application/x-wpg" )
return KoFilter::NotImplemented;
if ( to != "application/vnd.oasis.opendocument.graphics" )
return KoFilter::NotImplemented;
WPXInputStream* input = new libwpg::WPGFileStream( m_chain->inputFile().toLocal8Bit() );
if (input->isOLEStream())
{
WPXInputStream* olestream = input->getDocumentOLEStream();
if (olestream)
{
delete input;
input = olestream;
}
}
if (!libwpg::WPGraphics::isSupported(input))
{
std::cerr << "ERROR: Unsupported file format (unsupported version) or file is encrypted!" << std::endl;
delete input;
return KoFilter::NotImplemented;
}
// do the conversion
std::ostringstream tmpStringStream;
FileOutputHandler tmpHandler(tmpStringStream);
OdgExporter exporter(&tmpHandler);
libwpg::WPGraphics::parse(input, &exporter);
delete input;
// create output store
KoStore* storeout;
storeout = KoStore::createStore( m_chain->outputFile(), KoStore::Write,
"application/vnd.oasis.opendocument.graphics", KoStore::Zip );
if ( !storeout )
{
kWarning() << "Couldn't open the requested file.";
return KoFilter::FileNotFound;
}
#if 0
if ( !storeout->open( "styles.xml" ) )
{
kWarning() << "Couldn't open the file 'styles.xml'.";
return KoFilter::CreationError;
}
//storeout->write( createStyles() );
storeout->close();
#endif
if ( !storeout->open( "content.xml" ) )
{
kWarning() << "Couldn't open the file 'content.xml'.";
return KoFilter::CreationError;
}
storeout->write(tmpStringStream.str().c_str());
storeout->close();
// store document manifest
storeout->enterDirectory( "META-INF" );
if ( !storeout->open( "manifest.xml" ) )
{
kWarning() << "Couldn't open the file 'META-INF/manifest.xml'.";
return KoFilter::CreationError;
}
storeout->write( createManifest() );
storeout->close();
// we are done!
delete storeout;
return KoFilter::OK;
}