public static bool CropCockleBriefPages(string src)
{
// works for both saddle stitch and perfect bind
string dest = System.IO.Path.Combine(System.IO.Path.GetDirectoryName(src), "brief cropped.pdf");
try
{
using (var stream = new System.IO.FileStream(dest, System.IO.FileMode.Create))
{
iTextSharp.text.pdf.PdfRectangle croppedRectangle = new iTextSharp.text.pdf.PdfRectangle(377f, 189f, 0f, 792f);
iTextSharp.text.pdf.PdfReader reader = new iTextSharp.text.pdf.PdfReader(src);
for (int i = 1; i <= reader.NumberOfPages; i++)
{
iTextSharp.text.pdf.PdfDictionary pageDict = reader.GetPageN(i);
pageDict.Put(iTextSharp.text.pdf.PdfName.CROPBOX, croppedRectangle);
}
var stamper = new iTextSharp.text.pdf.PdfStamper(reader, stream);
stamper.Close();
reader.Close();
}
System.IO.File.Delete(src);
System.IO.File.Move(dest, src);
return(true);
}
catch (Exception excpt) { System.Diagnostics.Debug.WriteLine(excpt); return(false); }
}
private byte[] Crop(byte[] pdfbytes, float llx, float lly, float urx, float ury)
{
byte[] rslt = null;
// Allows PdfReader to read a pdf document without the owner's password
iTextSharp.text.pdf.PdfReader.unethicalreading = true;
// Reads the PDF document
using (iTextSharp.text.pdf.PdfReader pdfReader = new iTextSharp.text.pdf.PdfReader(pdfbytes))
{
// Set which part of the source document will be copied.
// PdfRectangel(bottom-left-x, bottom-left-y, upper-right-x, upper-right-y)
iTextSharp.text.pdf.PdfRectangle rect = new iTextSharp.text.pdf.PdfRectangle(llx, lly, urx, ury);
using (MemoryStream ms = new MemoryStream())
{
// Create a new document
//using (iTextSharp.text.Document doc =
// new iTextSharp.text.Document(new iTextSharp.text.Rectangle(288f,432f)))
using (iTextSharp.text.Document doc = new iTextSharp.text.Document(iTextSharp.text.PageSize.A4))
{
// Make a copy of the document
iTextSharp.text.pdf.PdfSmartCopy smartCopy = new iTextSharp.text.pdf.PdfSmartCopy(doc, ms)
{
PdfVersion = iTextSharp.text.pdf.PdfWriter.VERSION_1_7
};
smartCopy.CloseStream = false;
// Open the newly created document
doc.Open();
// Loop through all pages of the source document
for (int i = 1; i <= pdfReader.NumberOfPages; i++)
{
doc.NewPage();// net necessary line
// Get a page
var page = pdfReader.GetPageN(i);
// Apply the rectangle filter we created
page.Put(iTextSharp.text.pdf.PdfName.CROPBOX, rect);
page.Put(iTextSharp.text.pdf.PdfName.MEDIABOX, rect);
// Copy the content and insert into the new document
var copiedPage = smartCopy.GetImportedPage(pdfReader, i);
smartCopy.AddPage(copiedPage);
if (i.Equals(pdfReader.NumberOfPages))
{
doc.NewPage();
smartCopy.AddPage(copiedPage);
}
}
smartCopy.FreeReader(pdfReader);
smartCopy.Close();
ms.Position = 0;
rslt = ms.GetBuffer();
// Close the output document
doc.Close();
}
}
return(rslt);
}
}
public static bool CropCoverAndInsideCover(string src, int?coverLength)
{
// works for both saddle stitch and perfect bind
string dest = System.IO.Path.Combine(System.IO.Path.GetDirectoryName(src), "cover cropped.pdf");
try
{
using (var stream = new System.IO.FileStream(dest, System.IO.FileMode.Create))
{
iTextSharp.text.pdf.PdfRectangle croppedRectangleCover;
switch (coverLength)
{
case 48:
default:
croppedRectangleCover = new iTextSharp.text.pdf.PdfRectangle(356f, 130f, 21f, 741f);
break;
case 49:
croppedRectangleCover = new iTextSharp.text.pdf.PdfRectangle(356f, 120f, 21f, 741f);
break;
case 50:
croppedRectangleCover = new iTextSharp.text.pdf.PdfRectangle(356f, 108f, 21f, 741f);
break;
case 51:
croppedRectangleCover = new iTextSharp.text.pdf.PdfRectangle(356f, 92f, 21f, 741f);
break;
}
iTextSharp.text.pdf.PdfRectangle croppedRectangleInsideCover = new iTextSharp.text.pdf.PdfRectangle(377f, 189f, 0f, 792f);
iTextSharp.text.pdf.PdfReader reader = new iTextSharp.text.pdf.PdfReader(src);
for (int i = 1; i <= reader.NumberOfPages; i++)
{
iTextSharp.text.pdf.PdfDictionary pageDict = reader.GetPageN(i);
if (i == 1)
{
pageDict.Put(iTextSharp.text.pdf.PdfName.CROPBOX, croppedRectangleCover);
}
else
{
pageDict.Put(iTextSharp.text.pdf.PdfName.CROPBOX, croppedRectangleInsideCover);
}
}
var stamper = new iTextSharp.text.pdf.PdfStamper(reader, stream);
stamper.Close();
reader.Close();
}
System.IO.File.Delete(src);
System.IO.File.Move(dest, src);
return(true);
}
catch (Exception excpt) { System.Diagnostics.Debug.WriteLine(excpt); return(false); }
}
private System.IO.MemoryStream cropTypesetCover(System.IO.MemoryStream orig_stream)
{
{
// works for both saddle stitch and perfect bind
System.IO.MemoryStream dest_stream = null;
try
{
dest_stream = new System.IO.MemoryStream();
iTextSharp.text.pdf.PdfRectangle croppedRectangleCover;
switch (LengthOfCover)
{
case 48:
default:
croppedRectangleCover = new iTextSharp.text.pdf.PdfRectangle(356f, 130f, 21f, 741f);
break;
case 49:
croppedRectangleCover = new iTextSharp.text.pdf.PdfRectangle(356f, 120f, 21f, 741f);
break;
case 50:
croppedRectangleCover = new iTextSharp.text.pdf.PdfRectangle(356f, 108f, 21f, 741f);
break;
case 51:
croppedRectangleCover = new iTextSharp.text.pdf.PdfRectangle(356f, 92f, 21f, 741f);
break;
}
var reader = new iTextSharp.text.pdf.PdfReader(orig_stream.ToArray());
var pageDict = reader.GetPageN(1);
pageDict.Put(iTextSharp.text.pdf.PdfName.CROPBOX, croppedRectangleCover);
var stamper = new iTextSharp.text.pdf.PdfStamper(reader, dest_stream);
stamper.Close();
reader.Close();
}
catch (Exception excpt)
{
System.Diagnostics.Debug.WriteLine(excpt);
}
return(dest_stream);
}
}
private System.IO.MemoryStream cropTypesetBrief(System.IO.MemoryStream orig_stream)
{
System.IO.MemoryStream dest_stream = null;
try
{
dest_stream = new System.IO.MemoryStream();
var croppedRectangle = new iTextSharp.text.pdf.PdfRectangle(377f, 189f, 0f, 792f);
var reader = new iTextSharp.text.pdf.PdfReader(orig_stream.ToArray());
for (int i = 1; i <= reader.NumberOfPages; i++)
{
iTextSharp.text.pdf.PdfDictionary pageDict = reader.GetPageN(i);
pageDict.Put(iTextSharp.text.pdf.PdfName.CROPBOX, croppedRectangle);
}
var stamper = new iTextSharp.text.pdf.PdfStamper(reader, dest_stream);
stamper.Close();
reader.Close();
}
catch (Exception excpt) { System.Diagnostics.Debug.WriteLine(excpt); }
return(dest_stream);
}
