Hi,
I am creating a PDF document from a huge XML file, using a SAX parser to read
it. I need to write to different pages simultaneously, so I'm using templates,
and, later, I go creating newPage() and setting the right template for every
page.
The code works well, even when the order of the pages in the final PDF is
different from the order I create the templates (because I'm setting the
templates in the right order in the final PDF).
The problem arises when the PDF must be structured. I have experience in
marking
content and tagging a PDF document during creation, and I think it doesn't work
well when using templates.
The code below shows a reduced example. If you open the resulting PDF, only
elements from the first page are correctly tagged.
Document oDoc = new Document();
Rectangle oPageSize = new Rectangle(PageSize.A4);
oDoc.setPageSize(oPageSize);
try {
PdfWriter oWriter = PdfWriter.getInstance(
oDoc,
new FileOutputStream("D:\\Temp\\ITextTemplates.pdf")
);
oWriter.setTagged();
oDoc.open();
PdfStructureTreeRoot oTagParaRoot = oWriter.getStructureTreeRoot();
oTagParaRoot.put(PdfName.LANG, new PdfString("es-ES"));
PdfStructureElement oTagDocumento = new PdfStructureElement(oTagParaRoot, new
PdfName("Documento"));
oTagParaRoot.mapRole(new PdfName("Documento"), PdfName.DOCUMENT);
oTagDocumento.put(PdfName.LANG, new PdfString("es-ES"));
PdfContentByte oCb = oWriter.getDirectContent();
BaseFont oFont = BaseFont.createFont(BaseFont.HELVETICA, BaseFont.WINANSI,
false);
oCb.setLeading(16);
oCb.setFontAndSize(oFont, 12);
PdfStructureElement oTagParrafoHolaMundo = new
PdfStructureElement(oTagDocumento, PdfName.P);
oTagParrafoHolaMundo.put(PdfName.T, new PdfString("Título del tag para el
párrafo"));
PdfTemplate oT1 = oCb.createTemplate(oPageSize.getWidth(),
oPageSize.getHeight());
PdfTemplate oT2 = oCb.createTemplate(oPageSize.getWidth(),
oPageSize.getHeight());
oT1.setLeading(16);
oT1.setFontAndSize(oFont, 12);
oT1.beginMarkedContentSequence(oTagParrafoHolaMundo);
oT1.beginText();
oT1.moveText(35, 800);
oT1.newlineShowText("Hello, World (Template oT1)");
oT1.newlineShowText("Hello, World");
oT1.endText();
oT1.endMarkedContentSequence();
oT2.setLeading(16);
oT2.setFontAndSize(oFont, 12);
oT2.beginMarkedContentSequence(oTagParrafoHolaMundo);
oT2.beginText();
oT2.moveText(35, 800);
oT2.newlineShowText("Hello, World (Template oT2)");
oT2.newlineShowText("Hello, World");
oT2.endText();
oT2.endMarkedContentSequence();
oCb.addTemplate(oT1, 0, 0);
oDoc.newPage();
oCb.addTemplate(oT2, 0,0);
} catch (Exception ex) {
ex.printStackTrace();
}
oDoc.close();
Any suggestion would be appreciate.
Thanks,
Javier
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