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 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
}