public static PdfExtractionResult PDF_ExportImage(string filename, string dirForExtractions, int divider, bool checkResult, bool joinImages)
{
var details = new PdfExtractionResult();
DataAccess.Instance.g_curProgress = 0;
evnt_UpdateCurBar();
var imagesList = new Dictionary<PageImageIndex, Image>();
// Ask itextsharp to extract image
var pdfReader = new PdfReader(filename);
var pdfParser = new PdfReaderContentParser(pdfReader);
var pdfListener = new PDFImageListener(dirForExtractions);
double tem0 = divider;
double pgc = pdfReader.NumberOfPages;
double CurOneStep = (double)(tem0 / pgc);
details.Pages = (int)pgc;
for (int i = 1; i <= pgc; i++)
{
pdfListener.PageIndex = i;
// itextsharp send response to listener
pdfParser.ProcessContent(i, pdfListener);
DataAccess.Instance.g_curProgress += CurOneStep;
evnt_UpdateCurBar();
}
imagesList = pdfListener.ImagesList;
details.ImagesBeforeMerge = pdfListener.ImagesList.Count;
details.ImagesAfterMerge = details.ImagesBeforeMerge;
if (checkResult && pdfReader.NumberOfPages != details.ImagesBeforeMerge)
{
if (joinImages)
{
ImageJoiner cp = new ImageJoiner();
imagesList = cp.Merge(pdfListener.ImagesList, dirForExtractions);
}
details.ImagesAfterMerge = imagesList.Count;
if(pdfReader.NumberOfPages != imagesList.Count)
{
//Directory.Delete(dirForExtractions, true);
//throw new Exception(string.Format("Error extracting {0} : {1} images for {2} pages", Path.GetFileName(filename), pdfListener.ImagesList.Count, pdfReader.NumberOfPages));
}
}
if (pdfReader != null)
pdfReader.Close();
// Write images to disk (because of memory problem write directly to file now)
//WriteImages(dirForExtractions, imagesList);
return details;
}
public static PdfExtractionResult PDF_ExportImage(string filename, string dirForExtractions, int divider, bool checkResult, bool joinImages, bool osx)
{
var details = new PdfExtractionResult();
DataAccess.Instance.g_curProgress = 0;
evnt_UpdateCurBar();
var imagesList = new Dictionary <PageImageIndex, Image>();
if (osx)
{
dirForExtractions = dirForExtractions + "/";
}
// Ask itextsharp to extract image
var pdfReader = new PdfReader(filename);
var pdfParser = new PdfReaderContentParser(pdfReader);
var pdfListener = new PDFImageListener(dirForExtractions);
double tem0 = divider;
double pgc = pdfReader.NumberOfPages;
double CurOneStep = (double)(tem0 / pgc);
details.Pages = (int)pgc;
for (int i = 1; i <= pgc; i++)
{
pdfListener.PageIndex = i;
// itextsharp send response to listener
pdfParser.ProcessContent(i, pdfListener);
DataAccess.Instance.g_curProgress += CurOneStep;
evnt_UpdateCurBar();
}
imagesList = pdfListener.ImagesList;
details.ImagesBeforeMerge = pdfListener.ImagesList.Count;
details.ImagesAfterMerge = details.ImagesBeforeMerge;
if (checkResult && pdfReader.NumberOfPages != details.ImagesBeforeMerge)
{
if (joinImages)
{
ImageJoiner cp = new ImageJoiner();
imagesList = cp.Merge(pdfListener.ImagesList, dirForExtractions);
}
details.ImagesAfterMerge = imagesList.Count;
if (pdfReader.NumberOfPages != imagesList.Count)
{
//Directory.Delete(dirForExtractions, true);
//throw new Exception(string.Format("Error extracting {0} : {1} images for {2} pages", Path.GetFileName(filename), pdfListener.ImagesList.Count, pdfReader.NumberOfPages));
}
}
if (pdfReader != null)
{
pdfReader.Close();
}
// Write images to disk (because of memory problem write directly to file now)
//WriteImages(dirForExtractions, imagesList);
return(details);
}
