/// <summary>
/// This method is supported by version 18.12 or greater
/// </summary>
public static void Run()
{
// ExStart:1
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_Images();
// Initialize Document
Aspose.Pdf.Document document = new Document();
document.Pages.Add();
Page page = document.Pages[1];
FileStream imageStream = new FileStream(dataDir + "aspose-logo.jpg", FileMode.Open);
page.Resources.Images.Add(imageStream, ImageFilterType.Flate);
XImage ximage = page.Resources.Images[page.Resources.Images.Count];
page.Contents.Add(new GSave());
// Set coordinates
int lowerLeftX = 0;
int lowerLeftY = 0;
int upperRightX = 600;
int upperRightY = 600;
Aspose.Pdf.Rectangle rectangle = new Aspose.Pdf.Rectangle(lowerLeftX, lowerLeftY, upperRightX, upperRightY);
Matrix matrix = new Matrix(new double[] { rectangle.URX - rectangle.LLX, 0, 0, rectangle.URY - rectangle.LLY, rectangle.LLX, rectangle.LLY });
// Using ConcatenateMatrix (concatenate matrix) operator: defines how image must be placed
page.Contents.Add(new ConcatenateMatrix(matrix));
page.Contents.Add(new Do(ximage.Name));
page.Contents.Add(new GRestore());
document.Save(dataDir + "FlateDecodeCompression.pdf");
// ExEnd:1
}
public static byte[] Tif2PDF(byte[] fileBuffer)
{
Aspose.Pdf.Document doc = new Aspose.Pdf.Document();
// Add a page to pages collection of document
MemoryStream mystream = new MemoryStream(fileBuffer);
Image tiffImage = Image.FromStream(mystream);
int frameCount = tiffImage.GetFrameCount(FrameDimension.Page);
MemoryStream[] images = new MemoryStream[frameCount];
Guid objGuid = tiffImage.FrameDimensionsList[0];
FrameDimension objDimension = new FrameDimension(objGuid);
for (int i = 0; i < frameCount; i++)
{
tiffImage.SelectActiveFrame(objDimension, i);
using (MemoryStream ms = new MemoryStream())
{
tiffImage.Save(ms, ImageFormat.Bmp);
Aspose.Pdf.Page page = doc.Pages.Add();
Bitmap b = new Bitmap(ms);
page.Resources.Images.Add(ms);
page.PageInfo.Margin.Bottom = 0;
page.PageInfo.Margin.Top = 0;
page.PageInfo.Margin.Left = 0;
page.PageInfo.Margin.Right = 0;
page.SetPageSize(b.Width, b.Height);
// Using GSave operator: this operator saves current graphics state
page.Contents.Add(new Aspose.Pdf.Operator.GSave());
// Create Rectangle and Matrix objects
Aspose.Pdf.Rectangle rectangle = new Aspose.Pdf.Rectangle(0, 0, b.Width, b.Height);
Aspose.Pdf.DOM.Matrix matrix = new Aspose.Pdf.DOM.Matrix(new double[] { rectangle.URX - rectangle.LLX, 0, 0, rectangle.URY - rectangle.LLY, rectangle.LLX, rectangle.LLY });
// Using ConcatenateMatrix (concatenate matrix) operator: defines how image must be placed
page.Contents.Add(new Aspose.Pdf.Operator.ConcatenateMatrix(matrix));
Aspose.Pdf.XImage ximage = page.Resources.Images[page.Resources.Images.Count];
// Using Do operator: this operator draws image
page.Contents.Add(new Aspose.Pdf.Operator.Do(ximage.Name));
// Using GRestore operator: this operator restores graphics state
page.Contents.Add(new Aspose.Pdf.Operator.GRestore());
}
}
var pdfStream = new MemoryStream();
doc.Save(pdfStream);
// Close memoryStream object
var buffer = pdfStream.ToArray();
pdfStream.Close();
mystream.Close();
return(buffer);
}
public static byte[] Img2PDF(byte[] fileBuffer)
{
Aspose.Pdf.Document doc = new Aspose.Pdf.Document();
// Add a page to pages collection of document
Aspose.Pdf.Page page = doc.Pages.Add();
MemoryStream mystream = new MemoryStream(fileBuffer);
// Instantiate BitMap object with loaded image stream
Bitmap b = new Bitmap(mystream);
// Set margins so image will fit, etc.
page.PageInfo.Margin.Bottom = 0;
page.PageInfo.Margin.Top = 0;
page.PageInfo.Margin.Left = 0;
page.PageInfo.Margin.Right = 0;
page.SetPageSize(b.Width, b.Height);
//page.CropBox = new Aspose.Pdf.Rectangle(0, 0, b.Width, b.Height);
page.Resources.Images.Add(mystream);
// Using GSave operator: this operator saves current graphics state
page.Contents.Add(new Aspose.Pdf.Operator.GSave());
// Create Rectangle and Matrix objects
Aspose.Pdf.Rectangle rectangle = new Aspose.Pdf.Rectangle(0, 0, b.Width, b.Height);
Aspose.Pdf.DOM.Matrix matrix = new Aspose.Pdf.DOM.Matrix(new double[] { rectangle.URX - rectangle.LLX, 0, 0, rectangle.URY - rectangle.LLY, rectangle.LLX, rectangle.LLY });
// Using ConcatenateMatrix (concatenate matrix) operator: defines how image must be placed
page.Contents.Add(new Aspose.Pdf.Operator.ConcatenateMatrix(matrix));
Aspose.Pdf.XImage ximage = page.Resources.Images[page.Resources.Images.Count];
// Using Do operator: this operator draws image
page.Contents.Add(new Aspose.Pdf.Operator.Do(ximage.Name));
// Using GRestore operator: this operator restores graphics state
page.Contents.Add(new Aspose.Pdf.Operator.GRestore());
var pdfStream = new MemoryStream();
doc.Save(pdfStream);
// Close memoryStream object
var buffer = pdfStream.ToArray();
pdfStream.Close();
mystream.Close();
return(buffer);
}
internal static void SignPdfDocument(string filename, string certificate, string password)
{
var path = $"original\\{filename}";
var certPath = $"certificates\\{certificate}";
var authority = "Υπουργείο Εσωτερικών";
var contactInfo = "Ιωάννου Κωνσταντίνος";
var location = "Αθήνα";
var reason = "ΑΠ: 4322/12";
using (Aspose.Pdf.Document doc = new Aspose.Pdf.Document(path))
{
var signature = new Aspose.Pdf.Facades.PdfFileSignature(doc);
// Create digital signature
PKCS7 sig = new PKCS7(certPath, password); // Use PKCS7/PKCS7Detached objects
sig.Authority = authority;
sig.ContactInfo = contactInfo;
sig.Location = location;
sig.Reason = reason;
sig.ShowProperties = false;
// Set signature position
var size = 50;
var llx = doc.Pages[1].Rect.URX - size - 10;
var lly = doc.Pages[1].Rect.URY - size - 10;
var urx = doc.Pages[1].Rect.URX - 10;
var ury = doc.Pages[1].Rect.URY - 10;
var rect = new Aspose.Pdf.Rectangle(llx, lly, urx, ury);
// Set signature background image
var lines = new List <string>()
{
authority, reason, contactInfo, location
};
signature.SignatureAppearanceStream = createSigningImage("sign_stamp.png", lines);
// Sign the document
signature.Sign(1, true, rect.ToRect(), sig);
// Save output PDF file
var outputPath = $"revised\\signed_{filename}";
signature.Save(outputPath);
}
Console.WriteLine("signed....");
}
