static ulong embedData( QTextStream& out, const uchar* input, int nbytes )
{
#ifndef QT_NO_IMAGE_COLLECTION_COMPRESSION
QByteArray bazip( qCompress( input, nbytes ) );
ulong len = bazip.size();
#else
ulong len = nbytes;
#endif
static const char hexdigits[] = "0123456789abcdef";
QString s;
for ( int i=0; i<(int)len; i++ ) {
if ( (i%14) == 0 ) {
s += "\n ";
out << (const char*)s;
s.truncate( 0 );
}
uint v = (uchar)
#ifndef QT_NO_IMAGE_COLLECTION_COMPRESSION
bazip
#else
input
#endif
[i];
s += "0x";
s += hexdigits[(v >> 4) & 15];
s += hexdigits[v & 15];
if ( i < (int)len-1 )
s += ',';
}
if ( s.length() )
out << (const char*)s;
return len;
}
void createPixmapNode( QDomDocument& doc, QDomNode& parent,
const QString& elementName, const QPixmap& pixmap )
{
QDomElement pixmapElement = doc.createElement( elementName );
parent.appendChild( pixmapElement );
// Convert the pixmap to an image, save that image to an in-memory
// XPM representation and compress this representation. This
// conforms to the file format Qt Designer uses.
QByteArray ba;
QBuffer buffer( ba );
buffer.open( IO_WriteOnly );
QImageIO imgio( &buffer, "XPM" );
QImage image = pixmap.convertToImage();
imgio.setImage( image );
imgio.write();
buffer.close();
ulong len = ba.size() * 2;
QByteArray bazip( len );
::compress( (uchar*) bazip.data(), &len, (uchar*) ba.data(), ba.size() );
QString dataString;
static const char hexchars[] = "0123456789abcdef";
for ( int i = 0; i < (int)len; ++i ) {
uchar c = (uchar) bazip[i];
dataString += hexchars[c >> 4];
dataString += hexchars[c & 0x0f];
}
createStringNode( doc, pixmapElement, "Format", "XPM.GZ" );
createIntNode( doc, pixmapElement, "Length", ba.size() );
createStringNode( doc, pixmapElement, "Data", dataString );
}
