|
public GetCropBox ( int index ) : |
||
| index | int | |
| Результат | ||
static void ManipulatePdf()
{
using (var ms = new MemoryStream()) {
var pdf = "resources/Project.pdf";
var reader = new iTextSharp.text.pdf.PdfReader(pdf);
var stamper = new iTextSharp.text.pdf.PdfStamper(reader, ms);
var box = reader.GetCropBox(1);
var left = box.Left;
var top = box.Top;
// var newRectangle = new iTextSharp.text.Rectangle(left + 20, top - 20, left + 250, top - 40);
var newRectangle = new iTextSharp.text.Rectangle(left, top, left + 250, top - 40);
newRectangle.UseVariableBorders = false;
var pcb = new iTextSharp.text.pdf.PdfContentByte(stamper.Writer);
pcb.SetColorFill(iTextSharp.text.BaseColor.RED);
var text = "Hello, world!";
var annot = iTextSharp.text.pdf.PdfAnnotation.CreateFreeText(stamper.Writer, newRectangle, text, pcb);
annot.Flags = iTextSharp.text.pdf.PdfAnnotation.FLAGS_PRINT;
// annot.BorderStyle = new iTextSharp.text.pdf.PdfBorderDictionary(0, 0);
// annot.Color = GetBaseColor(Color.Yellow);
// annot.Put(PdfName.DS, new PdfString("font: " + "Tohama" + " " +
// (10 * 0.75f) + "pt; text-align: left; color: " +
// GetBaseColor(Color.Blue)));
// annot.Put(PdfName.RC, new PdfString(text.Replace("(?i)<br */?> ", "\n").Replace(" & nbsp; ", " ")));
// annot.Put(PdfName.ROTATE, new PdfNumber(0));
stamper.AddAnnotation(annot, 1);
stamper.Close();
var output = ms.ToArray();
System.IO.File.WriteAllBytes(".output/Hello.pdf", output);
}
}
private static PdfSignatureAppearance GetPdfSignatureAppearance(SigningCertificates signingCertificates, PdfStamper stamper, PdfReader reader, PdfSignatureParameters parameters)
{
PdfSignatureAppearance appearance = stamper.SignatureAppearance;
appearance.Reason = "";
appearance.LocationCaption = "";
appearance.Location = "";
appearance.Layer4Text = "";
appearance.Layer2Text = GetSignatureText(signingCertificates.X509Certificate, parameters);
appearance.Acro6Layers = true;
Rectangle cropBox = reader.GetCropBox(parameters.SignaturePageNumber);
Rectangle rectangle = GetSignatureLocation(cropBox, parameters);
appearance.SetVisibleSignature(rectangle, parameters.SignaturePageNumber, parameters.SignatureName);
return appearance;
}
// This class uses an open-source PDF engine to concatenate multiple PDFs into one organized by bookmarks
public static bool ConcatenateEvaluations(string destination, String[] args)
{
try
{
int f = 0; // index of current document
int i = 0; // current page of the current document
int n = 0; // total pages for current document
int j = 0; // counter used to display two portrait pages on one landscape page
float width = PageSize.LETTER.Width; //PageSize.LETTER.Height;
float height = PageSize.LETTER.Height; //PageSize.LETTER.Width;
// we create a reader for a certain document
PdfReader reader;
// step 1: creation of a document-object with portrait orientation
Document document = new Document(PageSize.LETTER, 0, 0, 0, 0);
// step 2: we create a writer that listens to the document
PdfWriter writer = PdfWriter.GetInstance(document, new FileStream(destination, FileMode.Create));
writer.ViewerPreferences = PdfWriter.PageModeUseOutlines;
// step 3: we open the document
document.Open();
PdfContentByte cb = writer.DirectContent;
PdfImportedPage page;
int rotation;
// step 4: we add the content
while (f < args.Length)
{
i = 0;
if (args[f] != "")
{
reader = new PdfReader(args[f]);
// we retrieve the total number of pages
n = reader.NumberOfPages;
while (i < n)
{
i++;
page = writer.GetImportedPage(reader, i);
rotation = reader.GetPageRotation(i);
//portrait - default
document.SetPageSize(PageSize.LETTER);
float pageHeight = reader.GetCropBox(i).Height;
float bottom = reader.GetCropBox(i).Bottom;
document.NewPage();
cb.AddTemplate(page, 0, 0);
}
// free up memory
writer.FreeReader(reader);
}
f++;
}
// step 5: we close the document
document.Close();
}
catch (Exception e)
{
return false;
}
return true;
}
