public static void AddTextSignature2PDF()
{
PdfFile pdfFile = new PdfFile();
PdfDocument document = pdfFile.Import(File.ReadAllBytes("sample.pdf"));
//Input your certificate and password
X509Certificate2 certificate = new X509Certificate2("test.pfx", "iditect");
//First you need create a SignatureField with unique name
SignatureField signatureField = new SignatureField("iDiTect Sign Field");
//Add signature object to a signature field, so we can add a visualization to it
signatureField.Signature = new Signature(certificate);
//Add signature info as need
signatureField.Signature.Properties.Reason = "Sign by iDiTect";
signatureField.Signature.Properties.Location = "World Wide Web";
signatureField.Signature.Properties.ContactInfo = "1234567";
//Apply a visible signature widiget to represent the contents of the signature field.
SignatureWidget widget = signatureField.Widgets.AddWidget();
//Set signature position and size
widget.Rect = new System.Windows.Rect(new System.Windows.Point(200, 200), new System.Windows.Size(400, 100));
widget.RecalculateContent();
//Customize signature appearance, you can show all signature info, or just name or date
PageContentBuilder signatureAppearance = new PageContentBuilder(widget.Content.NormalContentSource);
signatureAppearance.Position.Translate(10, 0);
signatureAppearance.DrawText("Digitally signed by " + certificate.GetNameInfo(X509NameType.SimpleName, true));
signatureAppearance.Position.Translate(10, 20);
signatureAppearance.DrawText("Reason: " + signatureField.Signature.Properties.Reason);
signatureAppearance.Position.Translate(10, 40);
signatureAppearance.DrawText("Location: " + signatureField.Signature.Properties.Location);
signatureAppearance.Position.Translate(10, 60);
signatureAppearance.DrawText("Contact: " + signatureField.Signature.Properties.ContactInfo);
signatureAppearance.Position.Translate(10, 80);
signatureAppearance.DrawText("Date: " + DateTime.Now.ToString());
//Add this signature to first PDF page
document.Pages[0].Annotations.Add(widget);
document.AcroForm.FormFields.Add(signatureField);
//Digital sign feature need the stream support reading, so you have to use ReadWrite mode here
using (FileStream fs = new FileStream("signed.pdf", FileMode.Create, FileAccess.ReadWrite))
{
pdfFile.Export(document, fs);
}
}
public static void Decrypt()
{
PdfFile pdfFile = new PdfFile();
PdfDocument document;
pdfFile.ImportSettings.UserPassword = "******";
using (FileStream fs = File.OpenRead("Encrypted.pdf"))
{
//Read pdf document from stream
document = pdfFile.Import(fs);
}
int pageCount = document.Pages.Count;
Console.WriteLine(pageCount);
//Or you can make all processing and modifying to pdf file
// Such as adding a text in the beginning of the 1st page
PageContentBuilder builder = new PageContentBuilder(document.Pages[0]);
builder.Position.Translate(50, 150);
builder.DrawText("The PDF document is decrypted!");
using (FileStream fs = File.Create("Decrypted.pdf"))
{
pdfFile.Export(document, fs);
}
}
public static void AddText()
{
//This example is using page level builder, all the text will be add in current pdf page
PdfDocument document = new PdfDocument();
PdfPage page = document.Pages.AddPage();
//Create page level builder
PageContentBuilder builder = new PageContentBuilder(page);
//Add text using builder's DrawText directly
builder.TextState.FontSize = 18;
builder.GraphicState.FillColor = RgbColors.Black;
//Set the position for text
builder.Position.Translate(50, 50);
builder.DrawText("Insert text directly in builder");
//Add text using Block object
//Set the position for first block
builder.Position.Translate(50, 100);
//Create the first block with different font style
Block block = new Block();
block.HorizontalAlignment = Editing.Flow.HorizontalAlignment.Left;
block.TextState.FontSize = 16;
block.TextState.SetFont(new FontFamily("Times New Roman"));
block.InsertText("This is a Normal style sentence with target font.");
block.TextState.SetFont(new FontFamily("Times New Roman"), FontStyles.Italic, FontWeights.Bold);
block.InsertText(" This is another sentence in Italic and Bold style with target font.");
//Add first sentence to page, if you don't know how much height need to show the text, just using
//PositiveInfinity property, our builder will measure the height depend on the given width automatically
builder.DrawBlock(block, new Size(page.Size.Width - 50 * 2, double.PositiveInfinity));
//Get the actual size used by the first block, it works after block drawn
Size usedSize = block.DesiredSize;
//Set the position for the second block
builder.Position.Translate(50, 100 + usedSize.Height);
//Crete the second block with different text color
Block block2 = new Block();
block2.GraphicState.FillColor = RgbColors.Black;
block2.InsertText("Black Text,");
block2.GraphicState.FillColor = new RgbColor(255, 0, 0);
block2.InsertText(" Colorful Text.");
//Set wanted line width to measure the size used by the second block
Size needSize2 = block2.Measure(page.Size.Width - 50 * 2);
//Add second sentence to page
builder.DrawBlock(block2, needSize2);
using (FileStream fs = File.OpenWrite("InsertText.pdf"))
{
PdfFile pdfFile = new PdfFile();
pdfFile.Export(document, fs);
}
}
public static void CreateFormField()
{
PdfDocument document = new PdfDocument();
PdfPage page = document.Pages.AddPage();
PageContentBuilder builder = new PageContentBuilder(page);
double padding = 10;
double topOffset = 100;
//Create CheckBox FormField
CheckBoxField check = new CheckBoxField("checkBox1");
check.IsChecked = true;
//Add CheckBox to document fields
document.AcroForm.FormFields.Add(check);
//Draw CheckBox to page
builder.Position.Translate(50, topOffset);
builder.DrawWidget(check, new Size(10, 10));
//Draw CheckBox description
builder.Position.Translate(50 + 10 + padding, topOffset);
builder.DrawText("CheckBox");
//Create ComboBox FormField
ComboBoxField combo = new ComboBoxField("comboBox1");
combo.TextState.FontSize = 16;
combo.Options.Add(new ChoiceOption("Combo 1"));
combo.Options.Add(new ChoiceOption("Combo 2"));
combo.Options.Add(new ChoiceOption("Combo 3"));
combo.Value = combo.Options[2];
//Add ComboBox to document fields
document.AcroForm.FormFields.Add(combo);
//Draw ComboBox to page
topOffset += 30;
builder.Position.Translate(50, topOffset);
builder.DrawWidget(combo, new Size(100, 30));
//Draw ComboBox description
builder.Position.Translate(50 + 100 + padding, topOffset);
builder.DrawText("ComboBox");
//Create ListBox FormField
ListBoxField list = new ListBoxField("listBox1");
list.AllowMultiSelection = true;
list.TextState.FontSize = 16;
list.Options.Add(new ChoiceOption("List 1"));
list.Options.Add(new ChoiceOption("List 2"));
list.Options.Add(new ChoiceOption("List 3"));
list.Value = new ChoiceOption[] { list.Options[0], list.Options[2] };
//Add ListBox to document fields
document.AcroForm.FormFields.Add(list);
//Draw ListBox to page
topOffset += 30;
builder.Position.Translate(50, topOffset);
builder.DrawWidget(list, new Size(100, 100));
//Draw ListBox description
builder.Position.Translate(50 + 100 + padding, topOffset);
builder.DrawText("ListBox");
//Create RadioButton FormField
RadioButtonField radio = new RadioButtonField("radioButton1");
radio.Options.Add(new RadioOption("Radio 1"));
radio.Options.Add(new RadioOption("Radio 2"));
radio.Value = radio.Options[1];
//Add RadioButton to document fields
document.AcroForm.FormFields.Add(radio);
//Draw RadioButton to page
topOffset += 100;
foreach (RadioOption option in radio.Options)
{
topOffset += 30;
builder.Position.Translate(50, topOffset);
builder.DrawWidget(radio, option, new Size(10, 10));
}
//Draw ListBox description
builder.Position.Translate(50 + 10 + padding, topOffset);
builder.DrawText("RadioButton");
//Create TextBox FormField
TextBoxField textBox = new TextBoxField("textBox1");
textBox.TextState.FontSize = 16;
textBox.Value = "Input...";
//Add TextBox to document fields
document.AcroForm.FormFields.Add(textBox);
//Draw TextBox to page
topOffset += 30;
builder.Position.Translate(50, topOffset);
builder.DrawWidget(textBox, new Size(100, 30));
//Draw TextBox description
builder.Position.Translate(50 + 100 + padding, topOffset);
builder.DrawText("TextBox");
using (FileStream fs = File.OpenWrite("CreateFormField.pdf"))
{
PdfFile pdfFile = new PdfFile();
pdfFile.Export(document, fs);
}
}