private void Action_GetColumn(string pdfPath, string column)
{
if (System.IO.File.Exists(pdfPath) == false)
{
MessageBox.Show("File does not exist");
return;
}
PdfDocument doc = PdfDocument.Load(pdfPath);
string baseDocumentPath = Path.GetDirectoryName(txtPdfPath.Text);
string baseDocumentFilename = Path.GetFileNameWithoutExtension(txtPdfPath.Text);
IEnumerable <int> selectedPages = GetSelectedPages(doc.Pages.Count);
var columns = new List <string>();
int pageNum = 0;
foreach (PdfDocumentPage page in doc.Pages)
{
pageNum++;
if (selectedPages.Contains(pageNum) == false)
{
continue;
}
PdfTextExtractor extractor = new PdfTextExtractor(page);
PdfTextElementColumn columnData;
if (column.StartsWith("#"))
{
string[] columnParts = column.Substring(1).Split(';');
double y = Convert.ToDouble(columnParts[0]);
double x1 = Convert.ToDouble(columnParts[1]);
double x2 = Convert.ToDouble(columnParts[2]);
columnData = extractor.GetColumn(null, y, x1, x2, x1, x2);
}
else
{
columnData = extractor.GetColumn(column);
}
if (chkRender.Checked)
{
var pdfPageRenderer = new PdfPageRenderer(extractor);
Bitmap bmp = pdfPageRenderer.Render();
pdfPageRenderer.RenderColumn(columnData, bmp);
string fileName = Path.Combine(baseDocumentPath, string.Format("{0}_{1:0000}.png", baseDocumentFilename, pageNum));
bmp.Save(fileName, ImageFormat.Png);
bmp.Dispose();
GC.Collect();
}
columns.AddRange(columnData.Elements.Select(t => t.VisibleText));
}
txtOutput.Lines = columns.ToArray();
}