Hi! I have this code:
PdfReader reader = new PdfReader("example.pdf");
Console.Write(PdfTextExtractor.GetTextFromPage(reader, 1, new
LocationTextExtractionStrategy()));
LocationTextExtractionStrategy.cs has following code in TextChunk constructor:
orientationVector = endLocation.Subtract(startLocation).Normalize();
So if startLocation.Equals(endLocation) then orientationVector.Length
== 0 and orientationVector.Normalize() coordinates is NaN.
Because of that distPerpendicular == Int32.MinValue and
Single.IsNaN(distParallelStart) and TextChunk.CompareTo() method is
misleading.
To get such behaviour you need TextRenderInfo.GetWidth() returns 0. I
get it because pdf file has cyrillic text.
But no matter what the reason, I think that it's wrong behaviour.
I solved problem with replacing above-mentioned code with:
orientationVector = endLocation.Subtract(startLocation);
if (orientationVector.Length == 0)
{
orientationVector = new Vector(1, 0, 0);
}
orientationVector = orientationVector.Normalize();
This solution satisfies me because I only need to extract text from pdf.
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