/// <summary>
/// Main method for running the sample.
/// </summary>
public static SampleOutputInfo[] Run(Stream input)
{
PDFFixedDocument document = new PDFFixedDocument(input);
PDFContentRedactor crText = new PDFContentRedactor(document.Pages[0]);
// Redact a rectangular area of 200*100 points and leave the redacted area uncovered.
crText.RedactArea(new PDFDisplayRectangle(50, 50, 200, 100));
// Redact a rectangular area of 200*100 points and mark the redacted area with red.
crText.RedactArea(new PDFDisplayRectangle(50, 350, 200, 100), PDFRgbColor.Red);
PDFContentRedactor crImages = new PDFContentRedactor(document.Pages[2]);
// Initialize the bulk redaction.
crImages.BeginRedaction();
// Prepare for redaction a rectangular area of 500*100 points and leave the redacted area uncovered.
crImages.RedactArea(new PDFDisplayRectangle(50, 50, 500, 100));
// Prepare for redaction a rectangular area of 200*100 points and mark the redacted area with red.
crImages.RedactArea(new PDFDisplayRectangle(50, 350, 500, 100), PDFRgbColor.Red);
// When images are redacted, the cleared pixels are set to 0. Depending on image colorspace the redacted area can appear black or colored.
// Finish the redaction
crImages.ApplyRedaction();
SampleOutputInfo[] output = new SampleOutputInfo[] { new SampleOutputInfo(document, "redaction.pdf") };
return(output);
}
public static void Main(string[] args)
{
string supportPath = "..\\..\\..\\..\\..\\SupportFiles\\";
FileStream input = File.OpenRead(supportPath + "content.pdf");
PDFFixedDocument document = new PDFFixedDocument(input);
input.Close();
PDFContentExtractor ce = new PDFContentExtractor(document.Pages[0]);
PDFTextSearchResultCollection searchResults = ce.SearchText("lorem");
if (searchResults.Count > 0)
{
PDFContentRedactor cr = new PDFContentRedactor(document.Pages[0]);
cr.BeginRedaction();
for (int i = 0; i < searchResults.Count; i++)
{
cr.RedactArea(searchResults[i].VisualBounds);
}
cr.ApplyRedaction();
}
using (FileStream output = File.Create("RedactedSearchResults.pdf"))
{
document.Save(output);
}
}