private byte[] RemoverCarimboLateral(byte[] arquivo, float largura, float limiteMaximo)
{
using MemoryStream readingStream = new MemoryStream(arquivo);
using PdfReader pdfReader = new PdfReader(readingStream);
using MemoryStream writingStream = new MemoryStream();
using PdfWriter pdfWriter = new PdfWriter(writingStream);
using PdfDocument pdfDocument = new PdfDocument(pdfReader, pdfWriter);
int numberOfPages = pdfDocument.GetNumberOfPages();
for (int i = 1; i <= numberOfPages; i++)
{
PdfPage page = pdfDocument.GetPage(i);
page.SetIgnorePageRotationForContent(true);
Rectangle pageSize = pdfDocument.GetPage(i).GetPageSizeWithRotation();
float offset = pageSize.GetWidth() * largura;
if (offset > limiteMaximo)
{
offset = limiteMaximo;
}
float numeroLinhas = 4f;
float intervalo = offset / (numeroLinhas + 1f);
float posicaoIncicial = pageSize.GetWidth() - offset;
IList <PdfCleanUpLocation> cleanUpLocations = new List <PdfCleanUpLocation>();
for (int j = 1; j <= numeroLinhas; j++)
{
Rectangle rectangle = new Rectangle(
posicaoIncicial + intervalo, 0,
0.1f, pageSize.GetHeight()
);
PdfCleanUpLocation location = new PdfCleanUpLocation(i, rectangle);
posicaoIncicial = posicaoIncicial + intervalo;
cleanUpLocations.Add(location);
}
PdfCleaner.CleanUp(pdfDocument, cleanUpLocations);
}
pdfDocument.Close();
return(writingStream.ToArray());
}
protected void ManipulatePdf(String dest)
{
PdfDocument pdfDoc = new PdfDocument(new PdfReader(SRC), new PdfWriter(dest));
IList <PdfCleanUpLocation> cleanUpLocations = new List <PdfCleanUpLocation>();
// The arguments of the PdfCleanUpLocation constructor: the number of page to be cleaned up,
// a Rectangle defining the area on the page we want to clean up,
// a color which will be used while filling the cleaned area.
PdfCleanUpLocation location = new PdfCleanUpLocation(1,
new Rectangle(97, 405, 383, 40), ColorConstants.GRAY);
cleanUpLocations.Add(location);
PdfCleanUpTool cleaner = new PdfCleanUpTool(pdfDoc, cleanUpLocations);
cleaner.CleanUp();
pdfDoc.Close();
}
