Response myself
/**
Create a new pdf file whith escale pages.
@param pdf bytes from pdf
@return bytes from new pdf file
*/
public byte[] solution1B(byte[] pdf) throws IOException, DocumentException
{
byte[] arrayBytesfinal = new byte[0];;
PdfReader reader = new PdfReader(pdf);
int n = reader.getNumberOfPages();
if(n>0){
for (int i = 1; i <= n; i++) {
Rectangle rectReder = reader.getPageSize(i);
Document document = new Document(rectReder);
ByteArrayOutputStream bouf = new ByteArrayOutputStream();
PdfWriter writer = PdfWriter.getInstance(document, bouf);
document.open();
PdfContentByte directcontent = writer.getDirectContent();
PdfImportedPage page;
Image image;
page = writer.getImportedPage(reader, i);
image = Image.getInstance(page);
int altoMenos = firmantes.length*25;
image.scaleAbsolute(rectReder.getWidth(), rectReder.getHeight() -
altoMenos);
image.setAbsolutePosition(0,altoMenos+20);
directcontent.addImage(image);
document.close();
arrayBytesfinal =
this.concatenar(arrayBytesfinal,bouf.toByteArray());
}
return arrayBytesfinal;
}
return new byte[0];
}
/**
* Concatena los bytes que forman dos ficheros.
* @return
* @param ficheroNuevo contenido del nuevo fichero a concatenar
* @param ficheroTotal contenido del fichero total al que se concatenará
el documento nuevo.
*/
private byte[] concatenar(byte[] ficheroTotal,byte[] ficheroNuevo)
{
try {
int pageOffset = 0;
ArrayList master = new ArrayList();
ByteArrayOutputStream outByte = new ByteArrayOutputStream();
Document document = null;
PdfCopy writer = null;
for(int j=0;j<2;){
// we create a reader for a certain document
PdfReader reader = null;
if(j==0 && ficheroTotal.length!=0){
reader= new PdfReader(ficheroTotal);
}else{
reader= new PdfReader(ficheroNuevo);
}
reader.consolidateNamedDestinations();
// we retrieve the total number of pages
int n = reader.getNumberOfPages();
List bookmarks = SimpleBookmark.getBookmark(reader);
if (bookmarks != null) {
if (pageOffset != 0)
SimpleBookmark.shiftPageNumbers(bookmarks, pageOffset,
null);
master.addAll(bookmarks);
}
pageOffset += n;
if (j == 0) {
// step 1: creation of a document-object
document = new
Document();//reader.getPageSizeWithRotation(1));
// step 2: we create a writer that listens to the document
writer = new PdfCopy(document, outByte);
// step 3: we open the document
document.open();
}
// step 4: we add content
PdfImportedPage page;
for (int i = 0; i < n; ) {
++i;
page = writer.getImportedPage(reader, i);
writer.addPage(page);
}
PRAcroForm form = reader.getAcroForm();
if (form != null)
writer.copyAcroForm(reader);
//Esto vale para cuando se concatena por primera vez los ficheros
y el destino esta vacio.
//Obligamos a salir del bucle con una sola iteración.
if(j==0 && ficheroTotal.length!=0){j++;}else{j=2;}
}
if (!master.isEmpty())
writer.setOutlines(master);
// step 5: we close the document
document.close();
outByte.close();
return outByte.toByteArray();
}
catch(Exception e) {
e.printStackTrace();
return null;
}
}
Thanks and regards, Ángel.
2010/2/15 amcereijo cereijo <[email protected]>
> Hi to all,
>
> Can itext create a document with horizontal and vertical pages in the same
> document?
>
> Thanks and regards, Ángel.
>
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