public static void Main(string[] args)
{
// The path to the documents directory.
string dataDir = Path.GetFullPath("../../../Data/");
string input = dataDir + @"input.pdf";
using (Document pdfDocument = new Document(input))
{
foreach (Field field in pdfDocument.Form)
{
SignatureField sf = field as SignatureField;
if (sf != null)
{
Stream cerStream = sf.ExtractCertificate();
if (cerStream != null)
{
using (cerStream)
{
byte[] bytes = new byte[cerStream.Length];
using (FileStream fs = new FileStream(dataDir + @"input.cer", FileMode.CreateNew))
{
cerStream.Read(bytes, 0, bytes.Length);
fs.Write(bytes, 0, bytes.Length);
}
}
}
}
}
}
}
public static void Run()
{
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_SecuritySignatures();
string input = dataDir + @"ExtractSignatureInfo.pdf";
using (Document pdfDocument = new Document(input))
{
foreach (Field field in pdfDocument.Form)
{
SignatureField sf = field as SignatureField;
if (sf != null)
{
Stream cerStream = sf.ExtractCertificate();
if (cerStream != null)
{
using (cerStream)
{
byte[] bytes = new byte[cerStream.Length];
using (FileStream fs = new FileStream(dataDir + @"input.cer", FileMode.CreateNew))
{
cerStream.Read(bytes, 0, bytes.Length);
fs.Write(bytes, 0, bytes.Length);
}
}
}
}
}
}
}
public static void Run()
{
// ExStart:ExtractingImage
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_SecuritySignatures();
string input = dataDir + @"ExtractingImage.pdf";
using (Document pdfDocument = new Document(input))
{
foreach (Field field in pdfDocument.Form)
{
SignatureField sf = field as SignatureField;
if (sf != null)
{
string outFile = dataDir + @"output_out.jpg";
using (Stream imageStream = sf.ExtractImage())
{
if (imageStream != null)
{
using (System.Drawing.Image image = Bitmap.FromStream(imageStream))
{
image.Save(outFile, System.Drawing.Imaging.ImageFormat.Jpeg);
}
}
}
}
}
}
// ExEnd:ExtractingImage
}
public static void Main(string[] args)
{
// The path to the documents directory.
string dataDir = Path.GetFullPath("../../../Data/");
string input = dataDir + @"input.pdf";
using (Document pdfDocument = new Document(input))
{
foreach (Field field in pdfDocument.Form)
{
SignatureField sf = field as SignatureField;
if (sf != null)
{
string outFile = dataDir + @"output.jpg";
using (Stream imageStream = sf.ExtractImage())
{
if (imageStream != null)
{
using (System.Drawing.Image image = Bitmap.FromStream(imageStream))
{
image.Save(outFile, System.Drawing.Imaging.ImageFormat.Jpeg);
}
}
}
}
}
}
}
public int CreatePDF(Stream stream)
{
GcPdfDocument doc = new GcPdfDocument();
Page page = doc.NewPage();
TextFormat tf = new TextFormat()
{
Font = StandardFonts.Times, FontSize = 14
};
page.Graphics.DrawString(
"Hello, World!\r\nSigned below by GcPdfWeb SignDoc sample.",
tf, new PointF(72, 72));
// Init a test certificate:
var pfxPath = Path.Combine("Resources", "Misc", "GcPdfTest.pfx");
X509Certificate2 cert = new X509Certificate2(File.ReadAllBytes(pfxPath), "qq",
X509KeyStorageFlags.MachineKeySet | X509KeyStorageFlags.PersistKeySet | X509KeyStorageFlags.Exportable);
SignatureProperties sp = new SignatureProperties();
sp.Certificate = cert;
sp.Location = "GcPdfWeb Sample Browser";
sp.SignerName = "GcPdfWeb";
// Init a signature field to hold the signature:
SignatureField sf = new SignatureField();
sf.Widget.Rect = new RectangleF(72, 72 * 2, 72 * 4, 36);
sf.Widget.Page = page;
sf.Widget.BackColor = Color.LightSeaGreen;
sf.Widget.TextFormat.Font = StandardFonts.Helvetica;
sf.Widget.ButtonAppearance.Caption = $"Signer: {sp.SignerName}\r\nLocation: {sp.Location}";
// Add the signature field to the document:
doc.AcroForm.Fields.Add(sf);
// Connect the signature field and signature props:
sp.SignatureField = sf;
// Sign and save the document:
// NOTES:
// - Signing and saving is an atomic operation, the two cannot be separated.
// - The stream passed to the Sign() method must be readable.
doc.Sign(sp, stream);
// Rewind the stream to read the document just created
// into another GcPdfDocument and verify the signature:
stream.Seek(0, SeekOrigin.Begin);
GcPdfDocument doc2 = new GcPdfDocument();
doc2.Load(stream);
SignatureField sf2 = (SignatureField)doc2.AcroForm.Fields[0];
if (!sf2.Value.VerifySignature())
{
throw new Exception("Failed to verify the signature");
}
// Done (the generated and signed document has already been saved to 'stream').
return(doc.Pages.Count);
}
private static void CreateFields(RadFixedDocument document)
{
CheckBoxField check = new CheckBoxField("checkBox");
document.AcroForm.FormFields.Add(check);
check.IsChecked = true;
ComboBoxField combo = new ComboBoxField("combo");
document.AcroForm.FormFields.Add(combo);
combo.Options.Add(new ChoiceOption("Combo choice 1"));
combo.Options.Add(new ChoiceOption("Combo choice 2"));
combo.Options.Add(new ChoiceOption("Combo choice 3"));
combo.Options.Add(new ChoiceOption("Combo choice 4"));
combo.Options.Add(new ChoiceOption("Combo choice 5"));
combo.Value = combo.Options[2];
CombTextBoxField comb = new CombTextBoxField("comb");
document.AcroForm.FormFields.Add(comb);
comb.MaxLengthOfInputCharacters = 10;
comb.Value = "0123456789";
ListBoxField list = new ListBoxField("list");
document.AcroForm.FormFields.Add(list);
list.AllowMultiSelection = true;
list.Options.Add(new ChoiceOption("List choice 1"));
list.Options.Add(new ChoiceOption("List choice 2"));
list.Options.Add(new ChoiceOption("List choice 3"));
list.Options.Add(new ChoiceOption("List choice 4"));
list.Options.Add(new ChoiceOption("List choice 5"));
list.Options.Add(new ChoiceOption("List choice 6"));
list.Options.Add(new ChoiceOption("List choice 7"));
list.Value = new ChoiceOption[] { list.Options[0], list.Options[2] };
PushButtonField push = new PushButtonField("push");
document.AcroForm.FormFields.Add(push);
RadioButtonField radio = new RadioButtonField("radio");
document.AcroForm.FormFields.Add(radio);
radio.Options.Add(new RadioOption("Radio option 1"));
radio.Options.Add(new RadioOption("Radio option 2"));
radio.Value = radio.Options[1];
SignatureField signature = new SignatureField("signiture");
document.AcroForm.FormFields.Add(signature);
TextBoxField textBox = new TextBoxField("textBox");
document.AcroForm.FormFields.Add(textBox);
textBox.Value = "Sample text...";
}
// This method is almost exactly the same as the SignDoc sample,
// but adds a second signature field (does not sign it though):
private Stream CreateAndSignPdf()
{
GcPdfDocument doc = new GcPdfDocument();
Page page = doc.NewPage();
TextFormat tf = new TextFormat()
{
Font = StandardFonts.Times, FontSize = 14
};
page.Graphics.DrawString(
"Hello, World!\r\nSigned below TWICE by GcPdfWeb SignIncremental sample.",
tf, new PointF(72, 72));
// Init a test certificate:
var pfxPath = Path.Combine("Resources", "Misc", "GcPdfTest.pfx");
X509Certificate2 cert = new X509Certificate2(File.ReadAllBytes(pfxPath), "qq",
X509KeyStorageFlags.MachineKeySet | X509KeyStorageFlags.PersistKeySet | X509KeyStorageFlags.Exportable);
SignatureProperties sp = new SignatureProperties();
sp.Certificate = cert;
sp.Location = "GcPdfWeb Sample Browser";
sp.SignerName = "GcPdfWeb";
// Init a signature field to hold the signature:
SignatureField sf = new SignatureField();
sf.Widget.Rect = new RectangleF(72, 72 * 2, 72 * 4, 36);
sf.Widget.Page = page;
sf.Widget.BackColor = Color.LightSeaGreen;
// Add the signature field to the document:
doc.AcroForm.Fields.Add(sf);
// Connect the signature field and signature props:
sp.SignatureField = sf;
// Add a second signature field:
SignatureField sf2 = new SignatureField()
{
Name = "SecondSignature"
};
sf2.Widget.Rect = new RectangleF(72, 72 * 3, 72 * 4, 36);
sf2.Widget.Page = page;
sf2.Widget.BackColor = Color.LightYellow;
// Add the signature field to the document:
doc.AcroForm.Fields.Add(sf2);
var ms = new MemoryStream();
doc.Sign(sp, ms);
return(ms);
}
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 void SignAllWithText()
{
string outputFileName = GetFileNameBasedOnCaller();
string signatureFieldName = string.Empty;
using (Stream inputStream = File.Open("../../data/letter_unsigned.pdf", FileMode.Open), certStream = File.Open("../../data/johndoe.pfx", FileMode.Open), outputStream = File.Create(outputFileName))
{
using (FixedDocument doc = new FixedDocument(inputStream))
{
signatureFieldName = doc.Sign(certStream, "password", "John Doe,\r\n(click to view signature details)",
new Boundary(90, 140, 250, 180), 0, doc.Pages.Count - 1, (Stream)outputStream);
}
}
using (Stream inputStream = File.Open(outputFileName, FileMode.Open))
{
using (FixedDocument doc = new FixedDocument(inputStream))
{
SignatureField signatureField = (SignatureField)doc.AcroForm[signatureFieldName];
// check the signature
Assert.IsTrue(signatureField.IsSigned && signatureField.IsValid);
string signatureViewId = signatureField.Views[0].Identity;
// check that we have signature view placed on all pages
for (int i = 0; i < doc.Pages.Count; ++i)
{
bool annotationFound = false;
foreach (Annotation annotation in doc.Pages[i].Annotations)
{
WidgetAnnotation signatureFieldView = annotation as WidgetAnnotation;
if ((annotationFound = (signatureFieldView != null && signatureFieldView.Identity == signatureViewId)))
{
break;
}
}
Assert.IsTrue(annotationFound);
}
}
}
// Process.Start(outputFileName);
}
public static void Run()
{
// ExStart:1
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_SecuritySignatures();
File.Copy(dataDir + "blank.pdf", dataDir + "externalSignature1.pdf", true);
using (FileStream fs = new FileStream(dataDir + "externalSignature1.pdf", FileMode.Open, FileAccess.ReadWrite))
{
using (Document doc = new Document(fs))
{
SignatureField field1 = new SignatureField(doc.Pages[1], new Rectangle(100, 400, 10, 10));
// Sign with certificate selection in the windows certificate store
System.Security.Cryptography.X509Certificates.X509Store store = new System.Security.Cryptography.X509Certificates.X509Store(System.Security.Cryptography.X509Certificates.StoreLocation.CurrentUser);
store.Open(System.Security.Cryptography.X509Certificates.OpenFlags.ReadOnly);
// Manually chose the certificate in the store
System.Security.Cryptography.X509Certificates.X509Certificate2Collection sel = System.Security.Cryptography.X509Certificates.X509Certificate2UI.SelectFromCollection(store.Certificates, null, null, System.Security.Cryptography.X509Certificates.X509SelectionFlag.SingleSelection);
Aspose.Pdf.Forms.ExternalSignature externalSignature = new Aspose.Pdf.Forms.ExternalSignature(sel[0])
{
Authority = "Me",
Reason = "Reason",
ContactInfo = "Contact"
};
field1.PartialName = "sig1";
doc.Form.Add(field1, 1);
field1.Sign(externalSignature);
doc.Save();
}
}
using (PdfFileSignature pdfSign = new PdfFileSignature(new Document(dataDir + "externalSignature1.pdf")))
{
IList <string> sigNames = pdfSign.GetSignNames();
for (int index = 0; index <= sigNames.Count - 1; index++)
{
if (!pdfSign.VerifySigned(sigNames[index]) || !pdfSign.VerifySignature(sigNames[index]))
{
throw new ApplicationException("Not verified");
}
}
}
// ExEnd:1
}
public static void AddImageSignature2PDF()
{
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(50, 50));
widget.RecalculateContent();
//Customize signature appearance, insert an image as signature displaying
PageContentBuilder signatureAppearance = new PageContentBuilder(widget.Content.NormalContentSource);
using (Stream imgStream = File.OpenRead("sample.jpg"))
{
signatureAppearance.DrawImage(imgStream);
}
//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 ValidateSignature()
{
PdfFile pdfFile = new PdfFile();
PdfDocument document = pdfFile.Import(File.ReadAllBytes("signed.pdf"));
string status;
//Handle first signature for example
SignatureField signatureField = document.AcroForm.FormFields
.Where(f => f.FieldType == FormFieldType.Signature).FirstOrDefault() as SignatureField;
if (signatureField != null && signatureField.Signature != null)
{
SignatureValidationResult validationResult;
if (signatureField.Signature.TryValidate(out validationResult))
{
if (validationResult.IsDocumentModified)
{
status = "Invalid";
}
else
{
if (validationResult.IsCertificateValid)
{
status = "Valid";
}
else
{
status = "Unknown";
}
}
}
else
{
status = "Invalid";
}
}
}
public void SignTwoPages()
{
string outputFileName = GetFileNameBasedOnCaller();
string signatureFieldName = string.Empty;
using (Stream inputStream = File.Open("../../data/letter_unsigned.pdf", FileMode.Open))
{
using (FixedDocument doc = new FixedDocument(inputStream))
{
signatureFieldName = doc.Sign("../../data/johndoe.pfx", "password", "../../data/signatureImage.png",
new Boundary(100, 140, 190, 180), 0, 1, outputFileName);
}
}
using (Stream inputStream = File.Open(outputFileName, FileMode.Open))
{
using (FixedDocument doc = new FixedDocument(inputStream))
{
SignatureField signatureField = (SignatureField)doc.AcroForm[signatureFieldName];
// check the signature
Assert.IsTrue(signatureField.IsSigned && signatureField.IsValid);
string signatureViewId = signatureField.Views[0].Identity;
for (int i = 0; i < doc.Pages.Count; ++i)
{
foreach (Annotation annotation in doc.Pages[i].Annotations)
{
WidgetAnnotation signatureFieldView = annotation as WidgetAnnotation;
// so we have signature view placed somewhere on the wrong page
Assert.False(signatureFieldView != null && signatureFieldView.Identity == signatureViewId && i > 1);
}
}
}
}
}
public void PutSignatureFieldTest()
{
const string name = "adbe.x509.rsa_sha1.valid.pdf";
UploadFile(name, name);
const string SignatureName = "33226.p12";
UploadFile(SignatureName, SignatureName);
SignatureField field = new SignatureField(PageIndex: 1)
{
PartialName = "sign1",
Signature = new Signature(
Authority: "Sergey Smal",
Contact: "*****@*****.**",
Date: "08/01/2012 12:15:00.000 PM",
FormFieldName: "Signature1",
Location: "Ukraine",
Password: "******",
Rectangle: new Rectangle(
LLX: 100,
LLY: 100,
URX: 0,
URY: 0),
SignaturePath: Path.Combine(TempFolder, SignatureName),
SignatureType: SignatureType.PKCS7,
Visible: true,
ShowProperties: false
),
Rect = new Rectangle(100, 100, 500, 200),
};
var response = PdfApi.PutSignatureField(name, "Signature1", field, folder: TempFolder);
Assert.That(response.Code, Is.EqualTo(200));
}
// Fill in employee info and working hours with sample data:
private Stream FillEmployeeData(GcPdfDocument doc)
{
// For the purposes of this sample, we fill the form with random data:
var empName = "Jaime Smith";
SetFieldValue(doc, _Names.EmpName, empName);
SetFieldValue(doc, _Names.EmpNum, "12345");
SetFieldValue(doc, _Names.EmpDep, "Research & Development");
SetFieldValue(doc, _Names.EmpTitle, "Senior Developer");
SetFieldValue(doc, _Names.EmpStatus, "Full Time");
var rand = new Random((int)DateTime.Now.Ticks);
DateTime workday = DateTime.Now.AddDays(-15);
while (workday.DayOfWeek != DayOfWeek.Sunday)
{
workday = workday.AddDays(1);
}
TimeSpan wkTot = TimeSpan.Zero, wkReg = TimeSpan.Zero, wkOvr = TimeSpan.Zero;
for (int i = 0; i < 7; ++i)
{
// Start time:
var start = new DateTime(workday.Year, workday.Month, workday.Day, rand.Next(6, 12), rand.Next(0, 59), 0);
SetFieldValue(doc, _Names.DtNames[_Names.Dows[i]][0], start.ToShortDateString());
SetFieldValue(doc, _Names.DtNames[_Names.Dows[i]][1], start.ToShortTimeString());
// End time:
var end = start.AddHours(rand.Next(8, 14)).AddMinutes(rand.Next(0, 59));
SetFieldValue(doc, _Names.DtNames[_Names.Dows[i]][2], end.ToShortTimeString());
var tot = end - start;
var reg = TimeSpan.FromHours((start.DayOfWeek != DayOfWeek.Saturday && start.DayOfWeek != DayOfWeek.Sunday) ? 8 : 0);
var ovr = tot.Subtract(reg);
SetFieldValue(doc, _Names.DtNames[_Names.Dows[i]][3], reg.ToString(@"hh\:mm"));
SetFieldValue(doc, _Names.DtNames[_Names.Dows[i]][4], ovr.ToString(@"hh\:mm"));
SetFieldValue(doc, _Names.DtNames[_Names.Dows[i]][5], tot.ToString(@"hh\:mm"));
wkTot += tot;
wkOvr += ovr;
wkReg += reg;
//
workday = workday.AddDays(1);
}
SetFieldValue(doc, _Names.TotalReg, wkReg.TotalHours.ToString("F"));
SetFieldValue(doc, _Names.TotalOvr, wkOvr.TotalHours.ToString("F"));
SetFieldValue(doc, _Names.TotalHours, wkTot.TotalHours.ToString("F"));
SetFieldValue(doc, _Names.EmpSignDate, workday.ToShortDateString());
// Digitally sign the document on behalf of the 'employee':
var pfxPath = Path.Combine("Resources", "Misc", "JohnDoe.pfx");
X509Certificate2 cert = new X509Certificate2(File.ReadAllBytes(pfxPath), "secret",
X509KeyStorageFlags.MachineKeySet | X509KeyStorageFlags.PersistKeySet | X509KeyStorageFlags.Exportable);
SignatureProperties sp = new SignatureProperties()
{
Certificate = cert,
DocumentAccessPermissions = AccessPermissions.FormFillingAndAnnotations,
Reason = "I confirm time sheet is correct.",
Location = "TimeSheetIncremental sample",
SignerName = empName,
};
// Connect the signature field and signature props:
SignatureField empSign = doc.AcroForm.Fields.First(f_ => f_.Name == _Names.EmpSign) as SignatureField;
sp.SignatureField = empSign;
empSign.Widget.ButtonAppearance.Caption = empName;
// Some browser PDF viewers do not show form fields, so we render a placeholder:
empSign.Widget.Page.Graphics.DrawString("digitally signed", new TextFormat()
{
FontName = "Segoe UI", FontSize = 9
}, empSign.Widget.Rect);
// We now 'flatten' the form: loop over document AcroForm's fields,
// drawing their current values in place, and then remove the fields.
// This produces a PDF with text fields' values as part of the regular
// (non-editable) content (we leave fields filled by the supervisor):
FlattenDoc(doc, _Names.EmpSuper, _Names.SupSignDate);
// Done, now save the document with employee's signature:
var ms = new MemoryStream();
// Note that we do NOT use incremental update here (3rd parameter is false)
// as this is not needed yet (but will be needed/used when signing by supervisor later):
doc.Sign(sp, ms, false);
return(ms);
}
// Main entry point of this sample:
public int CreatePDF(Stream stream)
{
// Set up a font collection with the fonts we need:
_fc.RegisterDirectory(Path.Combine("Resources", "Fonts"));
// Set that font collection on input fields' text layout
// (we will also set it on all text layouts that we'll use):
_inputTl.FontCollection = _fc;
// Set up layout and formatting for input fields:
_inputTl.ParagraphAlignment = ParagraphAlignment.Center;
_inputTf.FontName = "Segoe UI";
_inputTf.FontSize = 12;
_inputTf.FontBold = true;
// Create the time sheet input form
// (in a real-life scenario, we probably would only create it once,
// and then re-use the form PDF):
var doc = MakeTimeSheetForm();
// At this point, 'doc' is an empty AcroForm.
// In a real-life app it would be distributed to employees
// for them to fill and send back.
FillEmployeeData(doc);
//
// At this point the form is filled with employee's data.
//
// Supervisor data (in a real app, these would probably be fetched from a db):
var supName = "Jane Donahue";
var supSignDate = DateTime.Now.ToShortDateString();
SetFieldValue(doc, _Names.EmpSuper, supName);
SetFieldValue(doc, _Names.SupSignDate, supSignDate);
// The next step is to 'flatten' the form: we loop over document AcroForm's fields,
// drawing their current values in place, and then remove the fields.
// This produces a PDF with text fields' values as part of the regular (non-editable) content:
FlattenDoc(doc);
// Now we digitally sign the flattened document on behalf of the 'manager':
var pfxPath = Path.Combine("Resources", "Misc", "GcPdfTest.pfx");
X509Certificate2 cert = new X509Certificate2(File.ReadAllBytes(pfxPath), "qq",
X509KeyStorageFlags.MachineKeySet | X509KeyStorageFlags.PersistKeySet | X509KeyStorageFlags.Exportable);
SignatureProperties sp = new SignatureProperties();
sp.Certificate = cert;
sp.Location = "GcPdfWeb - TimeSheet sample";
sp.SignerName = supName;
// Connect the signature field and signature props:
SignatureField supSign = doc.AcroForm.Fields.First(f_ => f_.Name == _Names.SupSign) as SignatureField;
sp.SignatureField = supSign;
supSign.Widget.ButtonAppearance.Caption = supName;
// Some browser PDF viewers do not show form fields, so we render a placeholder:
supSign.Widget.Page.Graphics.DrawString("digitally signed", new TextFormat()
{
FontName = "Segoe UI", FontSize = 9
}, supSign.Widget.Rect);
// Done, now save the document with supervisor signature:
doc.Sign(sp, stream);
// Dispose images only after the document is saved:
_disposables.ForEach(d_ => d_.Dispose());
return(doc.Pages.Count);
}
// Creates the Time Sheet form:
private GcPdfDocument MakeTimeSheetForm()
{
const float marginH = 72, marginV = 48;
var doc = new GcPdfDocument();
var page = doc.NewPage();
var g = page.Graphics;
var ip = new PointF(marginH, marginV);
var tl = new TextLayout(g.Resolution)
{
FontCollection = _fc
};
tl.Append("TIME SHEET", new TextFormat()
{
FontName = "Segoe UI", FontSize = 18
});
tl.PerformLayout(true);
g.DrawTextLayout(tl, ip);
ip.Y += tl.ContentHeight + 15;
var logo = Image.FromFile(Path.Combine("Resources", "ImagesBis", "AcmeLogo-vertical-250px.png"));
_disposables.Add(logo);
var s = new SizeF(250f * 0.75f, 64f * 0.75f);
g.DrawImage(logo, new RectangleF(ip, s), null, ImageAlign.Default);
ip.Y += s.Height + 5;
tl.Clear();
tl.Append("Where Business meets Technology",
new TextFormat()
{
FontName = "Segoe UI", FontItalic = true, FontSize = 10
});
tl.PerformLayout(true);
g.DrawTextLayout(tl, ip);
ip.Y += tl.ContentHeight + 15;
tl.Clear();
tl.Append("1901, Halford Avenue,\r\nSanta Clara, California – 95051-2553,\r\nUnited States",
new TextFormat()
{
FontName = "Segoe UI", FontSize = 9
});
tl.MaxWidth = page.Size.Width - marginH * 2;
tl.TextAlignment = TextAlignment.Trailing;
tl.PerformLayout(true);
g.DrawTextLayout(tl, ip);
ip.Y += tl.ContentHeight + 25;
var pen = new Pen(Color.Gray, 0.5f);
var colw = (page.Size.Width - marginH * 2) / 2;
var fields1 = DrawTable(ip,
new float[] { colw, colw },
new float[] { 30, 30, 30 },
g, pen);
var tf = new TextFormat()
{
FontName = "Segoe UI", FontSize = 9
};
tl.ParagraphAlignment = ParagraphAlignment.Center;
tl.TextAlignment = TextAlignment.Leading;
tl.MarginLeft = tl.MarginRight = tl.MarginTop = tl.MarginBottom = 4;
// t_ - caption
// b_ - bounds
// f_ - field name, null means no field
Action <string, RectangleF, string> drawField = (t_, b_, f_) =>
{
float tWidth;
if (!string.IsNullOrEmpty(t_))
{
tl.Clear();
tl.MaxHeight = b_.Height;
tl.MaxWidth = b_.Width;
tl.Append(t_, tf);
tl.PerformLayout(true);
g.DrawTextLayout(tl, b_.Location);
tWidth = tl.ContentRectangle.Right;
}
else
{
tWidth = 0;
}
if (!string.IsNullOrEmpty(f_))
{
var fld = new TextField()
{
Name = f_
};
fld.Widget.Page = page;
fld.Widget.Rect = new RectangleF(
b_.X + tWidth + _inputMargin, b_.Y + _inputMargin,
b_.Width - tWidth - _inputMargin * 2, b_.Height - _inputMargin * 2);
fld.Widget.TextFormat = _inputTf;
fld.Widget.Border.Color = Color.LightSlateGray;
fld.Widget.Border.Width = 0.5f;
doc.AcroForm.Fields.Add(fld);
}
};
drawField("EMPLOYEE NAME: ", fields1[0, 0], _Names.EmpName);
drawField("TITLE: ", fields1[1, 0], _Names.EmpTitle);
drawField("EMPLOYEE NUMBER: ", fields1[0, 1], _Names.EmpNum);
drawField("STATUS: ", fields1[1, 1], _Names.EmpStatus);
drawField("DEPARTMENT: ", fields1[0, 2], _Names.EmpDep);
drawField("SUPERVISOR: ", fields1[1, 2], _Names.EmpSuper);
ip.Y = fields1[0, 2].Bottom;
float col0 = 100;
colw = (page.Size.Width - marginH * 2 - col0) / 5;
float rowh = 25;
var fields2 = DrawTable(ip,
new float[] { col0, colw, colw, colw, colw, colw },
new float[] { 50, rowh, rowh, rowh, rowh, rowh, rowh, rowh, rowh },
g, pen);
tl.ParagraphAlignment = ParagraphAlignment.Far;
drawField("DATE", fields2[0, 0], null);
drawField("START TIME", fields2[1, 0], null);
drawField("END TIME", fields2[2, 0], null);
drawField("REGULAR HOURS", fields2[3, 0], null);
drawField("OVERTIME HOURS", fields2[4, 0], null);
tf.FontBold = true;
drawField("TOTAL HOURS", fields2[5, 0], null);
tf.FontBold = false;
tl.ParagraphAlignment = ParagraphAlignment.Center;
tf.ForeColor = Color.Gray;
for (int i = 0; i < 7; ++i)
{
drawField(_Names.Dows[i], fields2[0, i + 1], _Names.DtNames[_Names.Dows[i]][0]);
}
tf.ForeColor = Color.Black;
for (int row = 1; row <= 7; ++row)
{
for (int col = 1; col <= 5; ++col)
{
drawField(null, fields2[col, row], _Names.DtNames[_Names.Dows[row - 1]][col]);
}
}
tf.FontBold = true;
drawField("WEEKLY TOTALS", fields2[0, 8], null);
tf.FontBold = false;
drawField(null, fields2[3, 8], _Names.TotalReg);
drawField(null, fields2[4, 8], _Names.TotalOvr);
drawField(null, fields2[5, 8], _Names.TotalHours);
ip.Y = fields2[0, 8].Bottom;
col0 = 72 * 4;
colw = page.Size.Width - marginH * 2 - col0;
var fields3 = DrawTable(ip,
new float[] { col0, colw },
new float[] { rowh + 10, rowh, rowh },
g, pen);
drawField("EMPLOYEE SIGNATURE: ", fields3[0, 1], null);
var r = fields3[0, 1];
_empSignRect = new RectangleF(r.X + r.Width / 2, r.Y, r.Width / 2 - _inputMargin * 2, r.Height);
// For a digital employee signature, uncomment this code:
/*
* SignatureField sf = new SignatureField();
* sf.Name = _Names.EmpSign;
* sf.Widget.Rect = new RectangleF(r.X + r.Width / 2, r.Y + _inputMargin, r.Width / 2 - _inputMargin * 2, r.Height - _inputMargin * 2);
* sf.Widget.Page = page;
* sf.Widget.BackColor = Color.LightSeaGreen;
* doc.AcroForm.Fields.Add(sf);
*/
drawField("DATE: ", fields3[1, 1], _Names.EmpSignDate);
drawField("SUPERVISOR SIGNATURE: ", fields3[0, 2], null);
// Supervisor signature:
r = fields3[0, 2];
SignatureField sf = new SignatureField();
sf.Name = _Names.SupSign;
sf.Widget.Rect = new RectangleF(r.X + r.Width / 2, r.Y + _inputMargin, r.Width / 2 - _inputMargin * 2, r.Height - _inputMargin * 2);
sf.Widget.Page = page;
sf.Widget.BackColor = Color.LightYellow;
doc.AcroForm.Fields.Add(sf);
drawField("DATE: ", fields3[1, 2], _Names.SupSignDate);
// Done:
return(doc);
}
public object SignDocument(
string appDataPath,
string documentGuid,
string documentId,
string name,
SignatureField[] fields,
Func <string, string> urlCreator)
{
if (fields == null || fields.Length == 0)
{
return(null);
}
SignatureField field = fields[0];
string data = field.Data;
string signatureText = String.Empty;
SignatureField.Location location = field.Locations[0];
const double scaleForSizes = 2.083;
int signatureWidth = (int)(location.LocationWidth / scaleForSizes);
int signatureHeight = (int)(location.LocationHeight / scaleForSizes);
byte[] imageBytes = null;
const string dataUrlPrefix = "data:image/png;base64,";
if (data.StartsWith(dataUrlPrefix))
{
string base64Data = data.Substring(dataUrlPrefix.Length);
imageBytes = Convert.FromBase64String(base64Data);
}
else
{
Regex removeUnclosedLinkTagRegex = new Regex(@"<link[^>]*>");
string svgData = removeUnclosedLinkTagRegex.Replace(data, String.Empty);
IEnumerable <XElement> textElements;
imageBytes = _svgRenderer.DrawSvgImage(svgData, signatureWidth, signatureHeight);
XDocument root = XDocument.Parse(svgData);
textElements = root.Descendants("{http://www.w3.org/2000/svg}text");
if (textElements.Count() > 0)
{
foreach (XElement textElement in textElements)
{
signatureText += textElement.Value;
}
}
}
// request structure:
//{ "documentId":"","name":"a b","waterMarkText":"","waterMarkImage":"","fields":[{"fieldType":1,"data":"<svg xmlns=\"http://www.w3.org/2000/svg\" width=\"100%\" height=\"100%\" viewbox=\"0 0 233 82\" preserveaspectratio=\"none\"><text font-family=\"Tangerine\" font-size=\"60px\" fill=\"#0036D9\" y=\"50%\" x=\"50%\" dy=\"0.3em\" text-anchor=\"middle\">Anonymous</text><defs><link href=\"http://fonts.googleapis.com/css?family=Tangerine\" type=\"text/css\" rel=\"stylesheet\" xmlns=\"http://www.w3.org/1999/xhtml\"><style type=\"text/css\">@import url(http://fonts.googleapis.com/css?family=Tangerine)</style></defs></svg>","locations":[{"page":1,"locationX":0.4,"locationY":0.3,"locationWidth":150,"locationHeight":50,"fontName":null,"fontSize":null,"fontColor":null,"fontBold":null,"fontItalic":null,"fontUnderline":null,"alignment":0,"id":"ff4dd6a4a44ecd682a4be3a19a801e6f"}],"id":"1c9b463ac3c1e9ebaf51e34ea352de3a"}],"documentGuid":"candy.pdf","recipientGuid":"71d1f3ef88a5d7fe32f4c46588a69887","email":"*****@*****.**"}
string path = documentGuid;
string fullPathToDocument = Path.Combine(appDataPath, path);
string fileNameExtension = Path.GetExtension(path).TrimStart('.');
fileNameExtension = fileNameExtension.ToLower();
int pageWidth = 0, pageHeight = 0;
int signatureColumnNum = 0, signatureRowNum = 0;
int pageNumber = location.Page;
PositionInCellsDocument positionInCellsDocument = new PositionInCellsDocument();
System.Drawing.Size size = GetPageSize(fullPathToDocument, location.Page,
location.LocationX, location.LocationY,
positionInCellsDocument);
signatureColumnNum = positionInCellsDocument.ColumnNumber;
signatureRowNum = positionInCellsDocument.RowNumber;
pageWidth = size.Width;
pageHeight = size.Height;
string outputFilePath;
MemoryStream imageStream = null;
try
{
if (imageBytes == null)
{
outputFilePath = SignDocumentWithText(appDataPath,
documentGuid,
signatureText,
pageNumber,
(int)(pageWidth * location.LocationX),
(int)(pageHeight * location.LocationY),
signatureWidth,
signatureHeight,
signatureColumnNum, signatureRowNum);
}
else
{
imageStream = new MemoryStream(imageBytes);
outputFilePath = SignDocumentWithImage(appDataPath,
documentGuid,
imageStream,
pageNumber,
(int)(pageWidth * location.LocationX),
(int)(pageHeight * location.LocationY),
signatureWidth,
signatureHeight,
signatureColumnNum, signatureRowNum);
}
}
finally
{
if (imageStream != null)
{
imageStream.Dispose();
}
}
string relativeOutputFileName = Path.Combine("Output", Path.GetFileName(outputFilePath));
var resultData = new
{
status = "Ok",
result = new
{
document = new
{
guid = relativeOutputFileName,
name = relativeOutputFileName,
signedName = relativeOutputFileName,
signedDocumentUrl = urlCreator(relativeOutputFileName),
signedFromAll = true,
recipients = new[]
{
new
{
id = 0,
guid = "71d1f3ef88a5d7fe32f4c46588a69887",
documentGuid = "cea6784811dc54d7feac5fcb5ef8817a",
firstName = "dummy",
lastName = "dummy",
email = "*****@*****.**",
signed = true
}
}
}
}
};
return(resultData);
}
private static void DrawPageWithWidgets(RadFixedDocument document)
{
RadFixedPage page = document.Pages.AddPage();
FixedContentEditor editor = new FixedContentEditor(page);
using (editor.SaveGraphicProperties())
{
editor.GraphicProperties.IsFilled = true;
editor.GraphicProperties.IsStroked = false;
editor.GraphicProperties.StrokeThickness = 0;
editor.GraphicProperties.FillColor = new RgbColor(209, 178, 234);
editor.DrawRectangle(new Rect(50, 50, editor.Root.Size.Width - 100, editor.Root.Size.Height - 100));
}
editor.Position.Translate(100, 100);
Size widgetDimensions = new Size(200, 30);
foreach (FormField field in document.AcroForm.FormFields)
{
switch (field.FieldType)
{
case FormFieldType.CheckBox:
CheckBoxField check = (CheckBoxField)field;
DrawNextWidgetWithDescription(editor, "CheckBox", (e) => e.DrawWidget(check, widgetDimensions));
break;
case FormFieldType.ComboBox:
ComboBoxField combo = (ComboBoxField)field;
DrawNextWidgetWithDescription(editor, "ComboBox", (e) => e.DrawWidget(combo, widgetDimensions));
break;
case FormFieldType.CombTextBox:
CombTextBoxField comb = (CombTextBoxField)field;
DrawNextWidgetWithDescription(editor, "Comb TextBox", (e) => e.DrawWidget(comb, widgetDimensions));
break;
case FormFieldType.ListBox:
ListBoxField list = (ListBoxField)field;
DrawNextWidgetWithDescription(editor, "ListBox", (e) => e.DrawWidget(list, new Size(widgetDimensions.Width, widgetDimensions.Width)));
break;
case FormFieldType.PushButton:
PushButtonField push = (PushButtonField)field;
DrawNextWidgetWithDescription(editor, "Button", (e) => e.DrawWidget(push, widgetDimensions));
break;
case FormFieldType.RadioButton:
RadioButtonField radio = (RadioButtonField)field;
foreach (RadioOption option in radio.Options)
{
DrawNextWidgetWithDescription(editor, option.Value, (e) => e.DrawWidget(radio, option, widgetDimensions));
}
break;
case FormFieldType.Signature:
SignatureField signature = (SignatureField)field;
DrawNextWidgetWithDescription(editor, "Signature", (e) => e.DrawWidget(signature, widgetDimensions));
break;
case FormFieldType.TextBox:
TextBoxField textBox = (TextBoxField)field;
DrawNextWidgetWithDescription(editor, "TextBox", (e) => e.DrawWidget(textBox, widgetDimensions));
break;
}
}
}
/// <summary>
/// Signs the range of document pages using given certificate and signature image.
/// </summary>
/// <param name="doc">Document to sign.</param>
/// <param name="signingCertificate">Signing certificate's data stream.</param>
/// <param name="certPassword">Certificate's password.</param>
/// <param name="signatureText">The text of the signature.</param>
/// <param name="signatureBoundary">Visual signature boundaries.</param>
/// <param name="signaturePageIndexStart">The index of the first page to sign.</param>
/// <param name="signaturePageIndexEnd">The index of the last page to sign.</param>
/// <param name="outputStream">Output stream, optional. If not set, incremental save will be performed.</param>
/// <returns>Identifier assigned to the created signature field. Using this id you can find this field in doc's AcroForm dictionary.</returns>
public static string Sign(this FixedDocument doc, Stream signingCertificate,
string certPassword, string signatureText, Boundary signatureBoundary,
int signaturePageIndexStart = 0, int signaturePageIndexEnd = 0, Stream outputStream = null)
{
if (doc == null)
{
throw new ArgumentNullException(nameof(doc));
}
if (signingCertificate == null)
{
throw new ArgumentNullException(nameof(signingCertificate));
}
if (certPassword == null)
{
throw new ArgumentNullException(nameof(certPassword));
}
if (signatureBoundary == null)
{
throw new ArgumentNullException(nameof(signatureBoundary));
}
if (signaturePageIndexStart < 0 || signaturePageIndexStart > doc.Pages.Count - 1)
{
throw new ArgumentOutOfRangeException(nameof(signaturePageIndexStart));
}
if (signaturePageIndexEnd < signaturePageIndexStart || signaturePageIndexEnd > doc.Pages.Count - 1)
{
throw new ArgumentOutOfRangeException(nameof(signaturePageIndexEnd));
}
// create textual resource
FixedContent signatureTextXObject = new FixedContent(Guid.NewGuid().ToString("N"), new Boundary(0, 0, signatureBoundary.Width, signatureBoundary.Height));
Section section = new Section();
if (!string.IsNullOrEmpty(signatureText))
{
var newLineString = "<br/>";
signatureText = signatureText.Replace("\r\n", newLineString)
.Replace("\n", newLineString)
.Replace("\r", newLineString);
foreach (ContentElement contentElement in ContentElement.FromMarkup(signatureText))
{
contentElement.Font = new Font("TimesNewRoman", 12);
section.Add(contentElement);
}
signatureTextXObject.Content.AppendContentElement(section, signatureBoundary.Width, signatureBoundary.Height);
}
doc.ResourceManager.RegisterResource(signatureTextXObject);
string signatureFieldId = Guid.NewGuid().ToString("N");
// create signature field and initialize it using a stored
// password protected certificate
SignatureField signatureField = new SignatureField(signatureFieldId);
signatureField.Signature = Signature.Create(new Pkcs12Store(signingCertificate, certPassword));
// add signature field to a document
doc.AcroForm.Fields.Add(signatureField);
// create signature view using the image resource
SignatureFieldView signatureView = new SignatureFieldView(signatureField, signatureBoundary);
signatureView.ViewSettings.Graphic = Graphic.XObject;
signatureView.ViewSettings.GraphicResourceID = signatureTextXObject.ID;
signatureView.ViewSettings.Description = Description.None;
// add view to pages' annotations
for (int i = signaturePageIndexStart; i <= signaturePageIndexEnd; ++i)
{
doc.Pages[i].Annotations.Add(signatureView);
}
// save to specified file or do an incremental update
if (outputStream != null)
{
doc.Save(outputStream);
}
else
{
doc.Save();
}
return(signatureFieldId);
}
public void CreatePDF(Stream stream)
{
var doc = new GcPdfDocument();
var page = doc.NewPage();
var g = page.Graphics;
TextFormat tf = new TextFormat();
tf.Font = StandardFonts.Times;
tf.FontSize = 14;
PointF ip = new PointF(72, 72);
float fldOffset = 72 * 2;
float fldHeight = tf.FontSize * 1.2f;
float dY = 32;
// Text field:
g.DrawString("Text field:", tf, ip);
var fldText = new TextField();
fldText.Value = "Initial TextField value";
fldText.Widget.Page = page;
fldText.Widget.Rect = new RectangleF(ip.X + fldOffset, ip.Y, 72 * 3, fldHeight);
fldText.Widget.TextFormat.Font = tf.Font;
fldText.Widget.TextFormat.FontSize = tf.FontSize;
doc.AcroForm.Fields.Add(fldText);
ip.Y += dY;
// Checkbox:
g.DrawString("Checkbox:", tf, ip);
var fldCheckbox = new CheckBoxField();
fldCheckbox.Value = true;
fldCheckbox.Widget.Page = page;
fldCheckbox.Widget.Rect = new RectangleF(ip.X + fldOffset, ip.Y, fldHeight, fldHeight);
doc.AcroForm.Fields.Add(fldCheckbox);
ip.Y += dY;
// Radio button:
g.DrawString("Radio button:", tf, ip);
var fldRadio = new RadioButtonField();
fldRadio.Value = 1;
fldRadio.Widgets.Add(new WidgetAnnotation(page, new RectangleF(ip.X + fldOffset, ip.Y, fldHeight, fldHeight)));
fldRadio.Widgets.Add(new WidgetAnnotation(page, new RectangleF(ip.X + fldOffset, ip.Y + fldHeight * 1.2f, fldHeight, fldHeight)));
fldRadio.Widgets.Add(new WidgetAnnotation(page, new RectangleF(ip.X + fldOffset, ip.Y + (fldHeight * 1.2f) * 2, fldHeight, fldHeight)));
doc.AcroForm.Fields.Add(fldRadio);
ip.Y = fldRadio.Widgets[fldRadio.Widgets.Count - 1].Rect.Y + dY;
// CombTextField:
g.DrawString("CombText field:", tf, ip);
var fldCombText = new CombTextField();
fldCombText.Value = "123";
fldCombText.Widget.TextFormat.FontSize = 12;
fldCombText.Widget.Rect = new RectangleF(ip.X + fldOffset, ip.Y, 72 * 3, fldHeight);
fldCombText.Widget.Page = page;
doc.AcroForm.Fields.Add(fldCombText);
ip.Y += dY;
// Combo-box:
g.DrawString("Combo box:", tf, ip);
var fldComboBox = new ComboBoxField();
fldComboBox.Items.Add(new ChoiceFieldItem("ComboBox Choice 1"));
fldComboBox.Items.Add(new ChoiceFieldItem("ComboBox Choice 2"));
fldComboBox.Items.Add(new ChoiceFieldItem("ComboBox Choice 3"));
fldComboBox.SelectedIndex = 1;
fldComboBox.Widget.Rect = new RectangleF(ip.X + fldOffset, ip.Y, 72 * 3, fldHeight);
fldComboBox.Widget.Page = page;
doc.AcroForm.Fields.Add(fldComboBox);
ip.Y += dY;
// List box:
g.DrawString("List box:", tf, ip);
ListBoxField fldListBox = new ListBoxField();
fldListBox.Items.Add(new ChoiceFieldItem("ListBox Choice 1"));
fldListBox.Items.Add(new ChoiceFieldItem("ListBox Choice 2"));
fldListBox.Items.Add(new ChoiceFieldItem("ListBox Choice 3"));
fldListBox.SelectedIndexes = new int[] { 0, 2 };
fldListBox.MultiSelect = true;
fldListBox.CommitOnSelChange = true;
fldListBox.Widget.Rect = new RectangleF(ip.X + fldOffset, ip.Y, 100, 50);
fldListBox.Widget.Page = page;
doc.AcroForm.Fields.Add(fldListBox);
ip.Y = fldListBox.Widget.Rect.Bottom - fldHeight + dY;
// Signature field:
g.DrawString("Signature field:", tf, ip);
var fldSignature = new SignatureField();
fldSignature.AlternateName = "All fields locked when the document is signed";
fldSignature.LockedFields = new SignatureLockedFields();
fldSignature.Widget.Rect = new RectangleF(ip.X + fldOffset, ip.Y, 72 * 2, 72 - dY);
fldSignature.Widget.TextFormat.FontSize = 8;
fldSignature.Widget.ButtonAppearance.Caption = "Click to sign";
fldSignature.Widget.Border = new Border()
{
Width = 0.5f, Color = Color.DarkSeaGreen
};
fldSignature.Widget.Page = page;
doc.AcroForm.Fields.Add(fldSignature);
ip.Y += 72 - fldHeight;
// Buttons:
g.DrawString("Push buttons:", tf, ip);
// Submit form button:
var btnSubmit = new PushButtonField();
btnSubmit.Widget.Rect = new RectangleF(ip.X + fldOffset, ip.Y, 72, fldHeight);
btnSubmit.Widget.ButtonAppearance.Caption = "Submit";
btnSubmit.Widget.Highlighting = HighlightingMode.Invert;
btnSubmit.Widget.Events.Activate = new ActionSubmitForm("Sample Form Submit URI");
btnSubmit.Widget.Page = page;
doc.AcroForm.Fields.Add(btnSubmit);
// ip.Y += dY;
// Reset form button:
var btnReset = new PushButtonField();
btnReset.Widget.Rect = new RectangleF(ip.X + fldOffset + 72 * 1.5f, ip.Y, 72, fldHeight);
btnReset.Widget.ButtonAppearance.Caption = "Reset";
btnReset.Widget.Highlighting = HighlightingMode.Invert;
btnReset.Widget.Events.Activate = new ActionResetForm();
btnReset.Widget.Page = page;
doc.AcroForm.Fields.Add(btnReset);
ip.Y += dY;
// Done:
doc.Save(stream);
}
/// <summary>
/// Signs the range of document pages using given certificate and signature image.
/// </summary>
/// <param name="doc">Document to sign.</param>
/// <param name="signingCertificate">Signing certificate's data stream.</param>
/// <param name="certPassword">Certificate's password.</param>
/// <param name="signatureImage">Image stream that will represent the signature visually on page.</param>
/// <param name="signatureBoundary">Visual signature boundaries.</param>
/// <param name="signaturePageIndexStart">The index of the first page to sign.</param>
/// <param name="signaturePageIndexEnd">The index of the last page to sign.</param>
/// <param name="outputStream">Output stream, optional. If not set, incremental save will be performed.</param>
/// <returns>Identifier assigned to the created signature field. Using this id you can find this field in doc's AcroForm dictionary.</returns>
public static string Sign(this FixedDocument doc, Stream signingCertificate,
string certPassword, Stream signatureImage, Boundary signatureBoundary,
int signaturePageIndexStart = 0, int signaturePageIndexEnd = 0, Stream outputStream = null)
{
if (doc == null)
{
throw new ArgumentNullException(nameof(doc));
}
if (signingCertificate == null)
{
throw new ArgumentNullException(nameof(signingCertificate));
}
if (certPassword == null)
{
throw new ArgumentNullException(nameof(certPassword));
}
if (signatureImage == null)
{
throw new ArgumentNullException(nameof(signatureImage));
}
if (signatureBoundary == null)
{
throw new ArgumentNullException(nameof(signatureBoundary));
}
if (signaturePageIndexStart < 0 || signaturePageIndexStart > doc.Pages.Count - 1)
{
throw new ArgumentOutOfRangeException(nameof(signaturePageIndexStart));
}
if (signaturePageIndexEnd < signaturePageIndexStart || signaturePageIndexEnd > doc.Pages.Count - 1)
{
throw new ArgumentOutOfRangeException(nameof(signaturePageIndexEnd));
}
string imageId = Guid.NewGuid().ToString("N");
string signatureFieldId = Guid.NewGuid().ToString("N");
// register signature image resource
doc.ResourceManager.RegisterResource(new Image(imageId, signatureImage));
// create signature field and initialize it using a stored
// password protected certificate
SignatureField signatureField = new SignatureField(signatureFieldId);
signatureField.Signature = Signature.Create(new Pkcs12Store(signingCertificate, certPassword));
// add signature field to a document
doc.AcroForm.Fields.Add(signatureField);
// create signature view using the image resource
SignatureFieldView signatureView = new SignatureFieldView(signatureField, signatureBoundary);
signatureView.ViewSettings.Graphic = Graphic.Image;
signatureView.ViewSettings.GraphicResourceID = imageId;
signatureView.ViewSettings.Description = Description.None;
// add view to pages' annotations
for (int i = signaturePageIndexStart; i <= signaturePageIndexEnd; ++i)
{
doc.Pages[i].Annotations.Add(signatureView);
}
// save to specified file or do an incremental update
if (outputStream != null)
{
doc.Save(outputStream);
}
else
{
doc.Save();
}
return(signatureFieldId);
}
/// <summary>
///
/// </summary>
/// <returns></returns>
private List<SignatureField> BuildSignatureFields(List<SignatureParameter> signatureParameters)
{
List<SignatureField> lstSignatureFields = new List<SignatureField>();
//Entity signature
SignatureField signatureFieldEntity = new SignatureField()
{
label = ENTITY,
location = BuildSignatureLocation(signatureParameters.ElementAt(0).SignaturePosition.Page
, 5
, signatureParameters.ElementAt(0).SignaturePosition.Y
, 1
, 1)
};
lstSignatureFields.Add(signatureFieldEntity);
//Personal signatures
foreach (var signatureParameter in signatureParameters)
{
SignatureField signatureFieldPersonal = new SignatureField()
{
label = signatureParameter.SignatureFieldLabel,
location = BuildSignatureLocation(signatureParameter.SignaturePosition.Page
, signatureParameter.SignaturePosition.X
, signatureParameter.SignaturePosition.Y
, signatureParameter.SignaturePosition.Width
, signatureParameter.SignaturePosition.Height),
};
lstSignatureFields.Add(signatureFieldPersonal);
}
return lstSignatureFields;
}
public int CreatePDF(Stream stream)
{
GcPdfDocument doc = new GcPdfDocument();
Page page = doc.NewPage();
TextFormat tf = new TextFormat()
{
Font = StandardFonts.Times, FontSize = 14
};
page.Graphics.DrawString(
"Hello, World!\r\nSigned below by GcPdfWeb SignatureAppearance sample.",
tf, new PointF(72, 72));
// Init a test certificate:
var pfxPath = Path.Combine("Resources", "Misc", "GcPdfTest.pfx");
X509Certificate2 cert = new X509Certificate2(File.ReadAllBytes(pfxPath), "qq",
X509KeyStorageFlags.MachineKeySet | X509KeyStorageFlags.PersistKeySet | X509KeyStorageFlags.Exportable);
SignatureProperties sp = new SignatureProperties();
sp.Certificate = cert;
sp.Location = "GcPdfWeb Sample Browser";
sp.SignerName = "GcPdfWeb";
// Create a signature field to hold the signature:
SignatureField sf = new SignatureField();
// Add the signature field to the document:
doc.AcroForm.Fields.Add(sf);
// Connect the signature field and signature props:
sp.SignatureField = sf;
// Set up the signature field:
sf.Widget.Rect = new RectangleF(page.Size.Width - 72 * 4, 72 * 2, 72 * 3, 72);
sf.Widget.Page = page;
// Widget visual props will be overridden by sf.Widget.AppearanceStreams.Normal.Default set below:
sf.Widget.BackColor = Color.PeachPuff;
sf.Widget.Border = new GrapeCity.Documents.Pdf.Annotations.Border()
{
Color = Color.SaddleBrown,
Width = 3,
};
sf.Widget.ButtonAppearance.Caption = $"Signer: {sp.SignerName}\r\nLocation: {sp.Location}";
// Create custom signature appearance stream:
var rc = new RectangleF(PointF.Empty, sf.Widget.Rect.Size);
var fxo = new FormXObject(doc, rc);
rc.Inflate(-4, -4);
fxo.Graphics.FillEllipse(rc, Color.CornflowerBlue);
fxo.Graphics.DrawEllipse(rc, new Pen(Color.RoyalBlue, 3));
rc.Inflate(-5, -5);
fxo.Graphics.DrawEllipse(rc, new Pen(Color.LightSteelBlue, 1));
fxo.Graphics.DrawString($"Signed by {sp.SignerName}\non {DateTime.Now.ToShortDateString()}.",
new TextFormat()
{
FontName = "Times New Roman",
FontSize = 14,
FontItalic = true,
ForeColor = Color.Navy
},
fxo.Bounds,
TextAlignment.Center, ParagraphAlignment.Center, false);
sf.Widget.AppearanceStreams.Normal.Default = fxo;
// Reset signature appearance so that the widget appearance stream is used:
sp.SignatureAppearance = null;
// Sign and save the document:
// NOTES:
// - Signing and saving is an atomic operation, the two cannot be separated.
// - The stream passed to the Sign() method must be readable.
doc.Sign(sp, stream);
// Done (the generated and signed docment has already been saved to 'stream').
return(doc.Pages.Count);
}
