appearance = new PDAppearanceDictionary();
widget.setAppearance( appearance );
}
Map normalAppearance = appearance.getNormalAppearance();
PDAppearanceStream appearanceStream = (PDAppearanceStream)normalAppearance.get( "default" );
if( appearanceStream == null )
{
COSStream cosStream = new COSStream( acroForm.getDocument().getDocument().getScratchFile() );
appearanceStream = new PDAppearanceStream( cosStream );
appearanceStream.setBoundingBox( widget.getRectangle().createRetranslatedRectangle() );
appearance.setNormalAppearance( appearanceStream );
}
List tokens = getStreamTokens( appearanceStream );
List daTokens = getStreamTokens( getDefaultAppearance() );
PDFont pdFont = getFontAndUpdateResources( tokens, appearanceStream );
if (!containsMarkedContent( tokens ))
{
ByteArrayOutputStream output = new ByteArrayOutputStream();
//BJL 9/25/2004 Must prepend existing stream
//because it might have operators to draw things like
//rectangles and such
ContentStreamWriter writer = new ContentStreamWriter( output );
writer.writeTokens( tokens );
output.write( " /Tx BMC\n".getBytes("ISO-8859-1") );
insertGeneratedAppearance( widget, output, pdFont, tokens, appearanceStream );
output.write( " EMC".getBytes("ISO-8859-1") );
writeToStream( output.toByteArray(), appearanceStream );
}
else
{
if( tokens != null )
{
if( daTokens != null )
{
int bmcIndex = tokens.indexOf( PDFOperator.getOperator( "BMC" ));
int emcIndex = tokens.indexOf( PDFOperator.getOperator( "EMC" ));
if( bmcIndex != -1 && emcIndex != -1 &&
emcIndex == bmcIndex+1 )
{
//if the EMC immediately follows the BMC index then should
//insert the daTokens inbetween the two markers.
tokens.addAll( emcIndex, daTokens );
}
}
ByteArrayOutputStream output = new ByteArrayOutputStream();
ContentStreamWriter writer = new ContentStreamWriter( output );
float fontSize = calculateFontSize( pdFont, appearanceStream.getBoundingBox(), tokens, null );
boolean foundString = false;
for( int i=0; i<tokens.size(); i++ )
{
if( tokens.get( i ) instanceof COSString )
{