/// <summary>
/// Reads
/// <see cref="Tesseract.Pix"/>
/// from input file or, if
/// this is not possible, reads input file as
/// <see cref="System.Drawing.Bitmap"/>
/// and then converts to
/// <see cref="Tesseract.Pix"/>.
/// </summary>
/// <param name="inputFile">
/// input image
/// <see cref="System.IO.FileInfo"/>
/// </param>
/// <returns>
/// Pix result
/// <see cref="Tesseract.Pix"/>
/// object from
/// input file
/// </returns>
internal static Pix ReadPix(FileInfo inputFile)
{
Pix pix = null;
try {
System.Drawing.Bitmap bufferedImage = iText.Pdfocr.Tesseract4.ImagePreprocessingUtil.ReadImageFromFile(inputFile
);
if (bufferedImage != null)
{
pix = TesseractOcrUtil.ConvertImageToPix(bufferedImage);
}
}
catch (Exception e) {
// NOSONAR
LogManager.GetLogger(typeof(iText.Pdfocr.Tesseract4.ImagePreprocessingUtil)).Info(MessageFormatUtil.Format
(Tesseract4LogMessageConstant.CANNOT_CONVERT_IMAGE_TO_PIX, inputFile.FullName, e.Message));
}
if (pix == null)
{
try {
pix = Tesseract.Pix.LoadFromFile(inputFile.FullName);
}
catch (Exception e) {
// NOSONAR
LogManager.GetLogger(typeof(iText.Pdfocr.Tesseract4.ImagePreprocessingUtil)).Info(MessageFormatUtil.Format
(Tesseract4LogMessageConstant.CANNOT_CONVERT_IMAGE_TO_PIX, inputFile.FullName, e.Message));
}
}
return(pix);
}
