protected void Page_Load(object sender, EventArgs e)
{
String inputFile = Server.MapPath(@".\bin\sample1.pdf");
// Create Bytescout.PDFExtractor.UnsearchablePDFMaker instance
UnsearchablePDFMaker unsearchablePDFMaker = new UnsearchablePDFMaker();
unsearchablePDFMaker.RegistrationName = "demo";
unsearchablePDFMaker.RegistrationKey = "demo";
// Load sample PDF document
unsearchablePDFMaker.LoadDocumentFromFile(inputFile);
// Set PDF rendering resolution to 150 DPI. Higher value - better quality, but larger output file.
unsearchablePDFMaker.RenderingResolution = 150;
// Set embedded images format
unsearchablePDFMaker.ImageFormat = EmbeddedImageFormat.PNG;
Response.Clear();
Response.ContentType = "application/pdf";
Response.AddHeader("Content-Disposition", "attachment;filename=result.pdf");
// Process document and write result to temporary stream.
byte[] resultBytes;
using (MemoryStream tempStream = new MemoryStream())
{
unsearchablePDFMaker.MakePDFUnsearchable(tempStream);
resultBytes = tempStream.ToArray();
}
// Write result bytes to the output stream
Response.BinaryWrite(resultBytes);
Response.End();
}
static void Main()
{
// Create Bytescout.PDFExtractor.UnsearchablePDFMaker instance
UnsearchablePDFMaker unsearchablePDFMaker = new UnsearchablePDFMaker();
unsearchablePDFMaker.RegistrationName = "demo";
unsearchablePDFMaker.RegistrationKey = "demo";
// Load sample PDF document
unsearchablePDFMaker.LoadDocumentFromFile("sample1.pdf");
// Set PDF rendering resolution to 150 DPI. Higher value - better quality, but larger output file.
unsearchablePDFMaker.RenderingResolution = 150;
// Set embedded images format
unsearchablePDFMaker.ImageFormat = EmbeddedImageFormat.PNG;
// Process the document
unsearchablePDFMaker.MakePDFUnsearchable("result.pdf");
// Cleanup
unsearchablePDFMaker.Dispose();
// Open the result PDF file in default associated application
ProcessStartInfo processStartInfo = new ProcessStartInfo("result.pdf");
processStartInfo.UseShellExecute = true;
Process.Start(processStartInfo);
}
static void Main()
{
// Create Bytescout.PDFExtractor.UnsearchablePDFMaker instance
UnsearchablePDFMaker unsearchablePDFMaker = new UnsearchablePDFMaker();
unsearchablePDFMaker.RegistrationName = "demo";
unsearchablePDFMaker.RegistrationKey = "demo";
// Load sample PDF document
unsearchablePDFMaker.LoadDocumentFromFile("sample1.pdf");
//maker.ImageFormat = EmbeddedImageFormat.JPEG; // use JPEG for smaller PDF file, but be ready to compression artefacts
//maker.JPEGQuality = 75; // JPEG quality (1 - 100)
unsearchablePDFMaker.RenderingResolution = 300; // larger resolution - longer processing and larger PDF file size
// Enable Black and White mode
unsearchablePDFMaker.Grayscale = true;
// Process the document
unsearchablePDFMaker.MakePDFUnsearchable("result.pdf");
// Cleanup
unsearchablePDFMaker.Dispose();
// Open the result PDF file in default associated application
ProcessStartInfo processStartInfo = new ProcessStartInfo("result.pdf");
processStartInfo.UseShellExecute = true;
Process.Start(processStartInfo);
}
static void Main()
{
// Create Bytescout.PDFExtractor.UnsearchablePDFMaker instance
UnsearchablePDFMaker unsearchablePDFMaker = new UnsearchablePDFMaker();
unsearchablePDFMaker.RegistrationName = "demo";
unsearchablePDFMaker.RegistrationKey = "demo";
// Load sample PDF document
unsearchablePDFMaker.LoadDocumentFromFile("sample1.pdf");
//maker.ImageFormat = EmbeddedImageFormat.JPEG; // use JPEG for smaller PDF file, but be ready to compression artefacts
//maker.JPEGQuality = 75; // JPEG quality (1 - 100)
unsearchablePDFMaker.RenderingResolution = 300; // larger resolution - longer processing and larger PDF file size
// Enable Black and White Mode
unsearchablePDFMaker.Grayscale = true;
// Enable skipping black and white conversation of pages in range
unsearchablePDFMaker.KeepSkippedPages = true;
// "ranges" param is comma-separated list of page ranges in form "1-4,5,7,8-15,16-".
// Pages covered by it will be converted to Black and White.
// Page numbers are 1-based. Ending "-" means "to the last page".
// You can also use inverted page numbers adding '!' before the number. E.g. "!1" means "the last page",
// "2-!2" means "from the second to the penultimate page", "!2-" - last two pages
unsearchablePDFMaker.MakePDFUnsearchable("result.pdf", ranges: "1");
// Cleanup
unsearchablePDFMaker.Dispose();
// Open the result PDF file in default associated application
ProcessStartInfo processStartInfo = new ProcessStartInfo("result.pdf");
processStartInfo.UseShellExecute = true;
Process.Start(processStartInfo);
}