public void CreatePdf(String filename)
{
// step 1: Create a Document
Document document = new Document();
// step 2: Create a PdfWriter
PdfWriter writer = PdfWriter.GetInstance(document, new FileStream(filename, FileMode.Create));
// step 3: Open the Document
document.Open();
// step 4: Add content
document.Add(new Paragraph("Hello World!"));
// create a signature form field
PdfFormField field = PdfFormField.CreateSignature(writer);
field.FieldName = SIGNAME;
// set the widget properties
field.SetPage();
field.SetWidget(new Rectangle(72, 732, 144, 780), PdfAnnotation.HIGHLIGHT_INVERT);
field.Flags = PdfAnnotation.FLAGS_PRINT;
// add it as an annotation
writer.AddAnnotation(field);
// maybe you want to define an appearance
PdfAppearance tp = PdfAppearance.CreateAppearance(writer, 72, 48);
tp.SetColorStroke(BaseColor.BLUE);
tp.SetColorFill(BaseColor.LIGHT_GRAY);
tp.Rectangle(0.5f, 0.5f, 71.5f, 47.5f);
tp.FillStroke();
tp.SetColorFill(BaseColor.BLUE);
ColumnText.ShowTextAligned(tp, Element.ALIGN_CENTER, new Phrase("SIGN HERE"), 36, 24, 25);
field.SetAppearance(PdfAnnotation.APPEARANCE_NORMAL, tp);
// step 5: Close the Document
document.Close();
}
public override void Draw(DrawContext context)
{
int pageNumber = GetOccupiedArea().GetPageNumber();
Rectangle bbox = GetInnerAreaBBox();
PdfDocument pdf = context.GetDocument();
PdfAcroForm form = PdfAcroForm.GetAcroForm(pdf, true);
PdfFormField chk = PdfFormField.CreateRadioButton(pdf, bbox, _group, _value, PdfAConformanceLevel.PDF_A_1B
);
chk.SetPage(pageNumber);
chk.SetValue("Off");
chk.RegenerateField();
chk.SetVisibility(PdfFormField.VISIBLE);
chk.SetBorderColor(ColorConstants.BLACK);
chk.SetBackgroundColor(ColorConstants.WHITE);
chk.SetReadOnly(true);
PdfFormXObject appearance = new PdfFormXObject(bbox);
PdfCanvas canvas = new PdfCanvas(appearance, pdf);
canvas.SaveState().MoveTo(bbox.GetLeft(), bbox.GetBottom()).LineTo(bbox.GetRight(), bbox.GetBottom()).LineTo
(bbox.GetRight(), bbox.GetTop()).LineTo(bbox.GetLeft(), bbox.GetTop()).LineTo(bbox.GetLeft(), bbox.GetBottom
()).SetLineWidth(1f).Stroke().RestoreState();
form.AddFieldAppearanceToPage(chk, pdf.GetPage(pageNumber));
chk.SetAppearance(PdfName.N, "v1".Equals(_value) ? _value : "Off", appearance.GetPdfObject());
}
// ---------------------------------------------------------------------------
/**
* Create a pushbutton for a key
* @param writer the PdfWriter
* @param rect the position of the key
* @param btn the label for the key
* @param script the script to be executed when the button is pushed
*/
public void AddPushButton(PdfWriter writer, Rectangle rect,
String btn, String script)
{
float w = rect.Width;
float h = rect.Height;
PdfFormField pushbutton = PdfFormField.CreatePushButton(writer);
pushbutton.FieldName = "btn_" + btn;
pushbutton.SetWidget(rect, PdfAnnotation.HIGHLIGHT_PUSH);
PdfContentByte cb = writer.DirectContent;
pushbutton.SetAppearance(
PdfAnnotation.APPEARANCE_NORMAL,
CreateAppearance(cb, btn, BaseColor.GRAY, w, h)
);
pushbutton.SetAppearance(
PdfAnnotation.APPEARANCE_ROLLOVER,
CreateAppearance(cb, btn, BaseColor.RED, w, h)
);
pushbutton.SetAppearance(
PdfAnnotation.APPEARANCE_DOWN,
CreateAppearance(cb, btn, BaseColor.BLUE, w, h)
);
pushbutton.SetAdditionalActions(
PdfName.U,
PdfAction.JavaScript(script, writer)
);
pushbutton.SetAdditionalActions(
PdfName.E, PdfAction.JavaScript(
"this.showMove('" + btn + "');", writer
)
);
pushbutton.SetAdditionalActions(
PdfName.X, PdfAction.JavaScript(
"this.showMove(' ');", writer
)
);
writer.AddAnnotation(pushbutton);
}
