// ---------------------------------------------------------------------------
/**
* Manipulates a PDF file src with the file dest as result
* @param src the original PDF
*/
// public byte[] ManipulatePdf(byte[] src) {
public void ManipulatePdf(byte[] src, Stream stream)
{
string BaseUrl = Utility.GetServerBaseUrl();
// create a reader
PdfReader reader = new PdfReader(src);
// create a stamper
using (PdfStamper stamper = new PdfStamper(reader, stream)) {
// create a submit button that posts the form as an HTML query string
PushbuttonField button1 = new PushbuttonField(
stamper.Writer, new Rectangle(90, 660, 140, 690), "post"
);
button1.Text = "POST";
button1.BackgroundColor = new GrayColor(0.7f);
button1.Visibility = PushbuttonField.VISIBLE_BUT_DOES_NOT_PRINT;
PdfFormField submit1 = button1.Field;
string submit_url = new Uri(
new Uri(BaseUrl),
string.Format(
"/iTextInAction2Ed/WebHandler.ashx?{0}=Chapter09&{1}=ShowData",
Chapters.QS_CHAPTER, Chapters.QS_CLASS
)
).ToString();
submit1.Action = PdfAction.CreateSubmitForm(
submit_url, null,
PdfAction.SUBMIT_HTML_FORMAT | PdfAction.SUBMIT_COORDINATES
);
// add the button
stamper.AddAnnotation(submit1, 1);
// create a submit button that posts the form as FDF
PushbuttonField button2 = new PushbuttonField(
stamper.Writer, new Rectangle(200, 660, 250, 690), "FDF"
);
button2.BackgroundColor = new GrayColor(0.7f);
button2.Text = "FDF";
button2.Visibility = PushbuttonField.VISIBLE_BUT_DOES_NOT_PRINT;
PdfFormField submit2 = button2.Field;
submit2.Action = PdfAction.CreateSubmitForm(
submit_url, null, PdfAction.SUBMIT_EXCL_F_KEY
);
// add the button
stamper.AddAnnotation(submit2, 1);
// create a submit button that posts the form as XFDF
PushbuttonField button3 = new PushbuttonField(
stamper.Writer, new Rectangle(310, 660, 360, 690), "XFDF"
);
button3.BackgroundColor = new GrayColor(0.7f);
button3.Text = "XFDF";
button3.Visibility = PushbuttonField.VISIBLE_BUT_DOES_NOT_PRINT;
PdfFormField submit3 = button3.Field;
submit3.Action = PdfAction.CreateSubmitForm(
submit_url, null, PdfAction.SUBMIT_XFDF
);
// add the button
stamper.AddAnnotation(submit3, 1);
// create a reset button
PushbuttonField button4 = new PushbuttonField(
stamper.Writer, new Rectangle(420, 660, 470, 690), "reset"
);
button4.BackgroundColor = new GrayColor(0.7f);
button4.Text = "RESET";
button4.Visibility = PushbuttonField.VISIBLE_BUT_DOES_NOT_PRINT;
PdfFormField reset = button4.Field;
reset.Action = PdfAction.CreateResetForm(null, 0);
// add the button
stamper.AddAnnotation(reset, 1);
}
}