Examples of org.pdfbox.pdfwriter.ContentStreamWriter

org.pdfbox.pdfwriter.ContentStreamWriter
A class that will take a list of tokens and write out a stream with them. @author Ben Litchfield @version $Revision: 1.8 $

                        }
                        newTokens.add( token );
                        
                    }
                    PDStream newContents = new PDStream( document );
                    ContentStreamWriter writer = new ContentStreamWriter( newContents.createOutputStream() );
                    writer.writeTokens( newTokens );
                    newContents.addCompression();
                    page.setContents( newContents );
                }
                document.save( args[1] );
            }

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                    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() );
                    insertGeneratedAppearance( widget, output, pdFont, tokens, appearanceStream );
                    output.write( " EMC".getBytes() );
                    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 )
                            {
                                foundString = true;
                                COSString drawnString =((COSString)tokens.get(i)); 
                                drawnString.reset();
                                drawnString.append( apValue.getBytes() );
                            }
                        }
                        int setFontIndex = tokens.indexOf( PDFOperator.getOperator( "Tf" ));
                        tokens.set( setFontIndex-1, new COSFloat( fontSize ) );
                        if( foundString )
                        {
                            writer.writeTokens( tokens );   
                        }
                        else
                        {
                            int bmcIndex = tokens.indexOf( PDFOperator.getOperator( "BMC" ) );
                            int emcIndex = tokens.indexOf( PDFOperator.getOperator( "EMC" ) );
    
                            if( bmcIndex != -1 )
                            {
                                writer.writeTokens( tokens, 0, bmcIndex+1 );
                            }
                            else
                            {
                                writer.writeTokens( tokens );
                            }
                            output.write( "\n".getBytes() );
                            insertGeneratedAppearance( widget, output, 
                                pdFont, tokens, appearanceStream );
                            if( emcIndex != -1 )
                            {
                                writer.writeTokens( tokens, emcIndex, tokens.size() );
                            }
                        }
                        writeToStream( output.toByteArray(), appearanceStream );
                    }
                    else

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            int fontIndex = daTokens.indexOf( PDFOperator.getOperator( "Tf" ) );
            if(fontIndex != -1 )
            {
                daTokens.set( fontIndex-1, new COSFloat( fontSize ) );
            }
            ContentStreamWriter daWriter = new ContentStreamWriter(output);
            daWriter.writeTokens( daTokens );
        }
        printWriter.println( getTextPosition( boundingBox, pdFont, fontSize, tokens ) );
        int q = getQ();
        if( q == PDTextbox.QUADDING_LEFT )
        {

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                }
                //now that the tokens are updated we will replace the 
                //page content stream.
                PDStream updatedStream = new PDStream(doc);
                OutputStream out = updatedStream.createOutputStream();
                ContentStreamWriter tokenWriter = new ContentStreamWriter(out);
                tokenWriter.writeTokens( tokens );
                page.setContents( updatedStream );
            }
            doc.save( outputFile );
        }
        finally

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                }
            } // For each page token


            // We replace original page content by the edited one.
            PDStream updatedPageContents = new PDStream(inputFile);
            ContentStreamWriter contentWriter = new ContentStreamWriter( updatedPageContents.createOutputStream() );
            contentWriter.writeTokens( editedPageTokens );
            currentPage.setContents( updatedPageContents );


        } // For each document page            
    }

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Related Classes of org.pdfbox.pdfwriter.ContentStreamWriter

org.pdfbox.ConvertColorspace

org.pdfbox.cos.COSArray

org.pdfbox.cos.COSBase

org.pdfbox.cos.COSDictionary

org.pdfbox.cos.COSName

org.pdfbox.examples.pdmodel.ReplaceString

org.pdfbox.examples.util.RemoveAllText

org.pdfbox.pdmodel.interactive.form.PDAppearance

org.pdfbox.util.ImageParameters

org.pdfbox.util.PDFOperator

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