using
System;
using
System.Collections.Generic;
using
System.Linq;
using
System.Web;
using
System.Web.UI;
using
System.Web.UI.WebControls;
using
iTextSharp.text.html.simpleparser;
using
iTextSharp.text.pdf;
using
iTextSharp.text;
using
System.IO;
using
System.Web.UI.HtmlControls;
using
System.Drawing;
protected
void
Button1_Click(
object
sender, EventArgs e)
{
string
source =
@"D:\My.Sample\C#NET\Exoport2PDF\Web2\Chap1011.pdf"
;
string
output =
@"D:\My.Sample\C#NET\Exoport2PDF\Web2\Chap1012.pdf"
;
string
watermark =
@"D:\My.Sample\C#NET\Exoport2PDF\Web2\gp0.jpg"
;
bool
isSurrcess = PDFWatermark(source, output, watermark, 10, 10);
}
public
bool
PDFWatermark(
string
inputfilepath,
string
outputfilepath,
string
ModelPicName,
float
top,
float
left)
{
PdfReader pdfReader =
null
;
PdfStamper pdfStamper =
null
;
try
{
pdfReader =
new
PdfReader(inputfilepath);
int
numberOfPages = pdfReader.NumberOfPages;
iTextSharp.text.Rectangle psize = pdfReader.GetPageSize(1);
float
width = psize.Width;
float
height = psize.Height;
pdfStamper =
new
PdfStamper(pdfReader,
new
FileStream(outputfilepath, FileMode.Create));
PdfContentByte waterMarkContent;
iTextSharp.text.Image image = iTextSharp.text.Image.GetInstance(ModelPicName);
image.GrayFill = 20;
if
(left < 0)
{
left = width - image.Width + left;
}
image.SetAbsolutePosition(left, (height - image.Height) - top);
for
(
int
i = 1; i <= numberOfPages; i++)
{
waterMarkContent = pdfStamper.GetUnderContent(i);
waterMarkContent.AddImage(image);
}
return
true
;
}
catch
(Exception ex)
{
ex.Message.Trim();
return
false
;
}
finally
{
if
(pdfStamper !=
null
)
pdfStamper.Close();
if
(pdfReader !=
null
)
pdfReader.Close();
}