public IList <PdfTextFragment> GetTextWithinRegion(PdfSourceRect markedRect, int firstPage, int lastPage)
{
IList <PdfTextFragment> containedFragments = new List <PdfTextFragment>();
IList <int> pageRange = Enumerable.Range(firstPage, lastPage - firstPage + 1).ToList();
//intersect the markedRect with the textFragments (transformed to canvas coordinates)
foreach (int page in pageRange)
{
IList <PdfTextFragment> textFragments;
try
{
textFragments = documentManager.GetTextFragments(page);
}
catch (PdfRequestCanceledException)
{
continue;
}
foreach (PdfTextFragment frag in textFragments)
{
PdfSourceRect rectOnCanvas = frag.RectOnUnrotatedPage.CalculateRectOnCanvas(GetPageRect(page), Rotation);
if (markedRect.IsEmpty || rectOnCanvas.intersectsDouble(markedRect))
{
containedFragments.Add(frag);
}
}
}
return(containedFragments);
}
/// <summary>
/// Checks whether the bounding rectangle of this annotation is intersected by a rectangle.
/// If OnIntersect is false the markedRect has to completly contain the bounding rectangle.
/// </summary>
/// <param name="markedRect"></param>
/// <param name="onIntersect"></param>
/// <returns></returns>
public bool ContainsOrIntersectsWithRect(PdfSourceRect markedRect, bool onIntersect)
{
PdfSourceRect annotRect = new PdfSourceRect(Rect[0], Rect[1], Rect[2] - Rect[0], Rect[3] - Rect[1]);
if (onIntersect)
{
return(markedRect.intersectsDouble(annotRect));
}
return(markedRect.contains(annotRect));
}
