protected override string ExtractText(string extensionName, byte[] data)
{
StringBuilder stringBuilder = new StringBuilder();
PdfDocumentBase doc = null;
try
{
using (MemoryStream memoryStream = new MemoryStream(data))
{
doc = SPdfDocument.MergeFiles(new Stream[] { memoryStream });
foreach (PdfPageBase page in doc.Pages)
{
stringBuilder.AppendLine(page.ExtractText());
}
doc.Close();
}
}
finally
{
if (doc != null)
{
doc.Close();
}
}
return(stringBuilder.ToString());
}
protected override Picture[] ExtractImages(string extensionName, byte[] data)
{
List <Picture> pictures = new List <Picture>();
PdfDocumentBase doc = null;
try
{
using (MemoryStream memoryStream = new MemoryStream(data))
{
doc = SPdfDocument.MergeFiles(new Stream[] { memoryStream });
foreach (PdfPageBase page in doc.Pages)
{
foreach (Image image in page.ExtractImages())
{
pictures.Add(new Picture()
{
Data = GetImageData(image),
Extension = ImageFormat.Jpeg.ToString(),
Width = image.Width,
Height = image.Height
});
}
}
}
}
finally
{
if (doc != null)
{
doc.Close();
}
}
return(pictures.ToArray());
}