public virtual void MultipleFiltersForOneRegionTest()
{
PdfDocument pdfDocument = new PdfDocument(new PdfReader(sourceFolder + "test.pdf"));
Rectangle[] regions = new Rectangle[] { new Rectangle(0, 0, 500, 650), new Rectangle(0, 0, 400, 400), new
Rectangle(200, 200, 300, 400), new Rectangle(100, 100, 350, 300) };
TextRegionEventFilter[] regionFilters = new TextRegionEventFilter[regions.Length];
for (int i = 0; i < regions.Length; i++)
{
regionFilters[i] = new TextRegionEventFilter(regions[i]);
}
FilteredEventListener listener = new FilteredEventListener();
LocationTextExtractionStrategy extractionStrategy = listener.AttachEventListener(new LocationTextExtractionStrategy
(), regionFilters);
new PdfCanvasProcessor(listener).ProcessPageContent(pdfDocument.GetPage(1));
String actualText = extractionStrategy.GetResultantText();
String expectedText = PdfTextExtractor.GetTextFromPage(pdfDocument.GetPage(1), new FilteredTextEventListener
(new LocationTextExtractionStrategy(), regionFilters));
NUnit.Framework.Assert.AreEqual(expectedText, actualText);
}
public virtual void IllegalDifference()
{
PdfDocument pdf = new PdfDocument(new PdfReader(sourceFolder + "illegalDifference.pdf"));
PdfTextExtractor.GetTextFromPage(pdf.GetFirstPage());
}