public static string PDFToBMP(string pdfFilePath, string bmpFilePath)
{
var stream = new FileStream(pdfFilePath, FileMode.Open);
var pdfConvert = new Aspose.Pdf.Facades.PdfConverter();
var pdfDoc = new Aspose.Pdf.Document(stream);
pdfConvert.BindPdf(pdfDoc);
pdfConvert.DoConvert();
pdfConvert.GetNextImage(bmpFilePath, new Aspose.Pdf.PageSize(200, 150), System.Drawing.Imaging.ImageFormat.Bmp);
pdfConvert.Close();
pdfConvert.Dispose();
stream.Flush();
stream.Close();
return(bmpFilePath);
}
private static string SaveAsTiff(string inputFile, string outputFolder)
{
try
{
if (!File.Exists(inputFile))
{
throw new FileNotFoundException($"Die Datei {inputFile} konnte nicht gefunden werden");
}
//create
var pdfConverter = new Aspose.Pdf.Facades.PdfConverter();
// create Resolution object with 300 as an argument
var resolution = new Resolution(240);
// specify the resolution value for PdfConverter object - default is 150
pdfConverter.Resolution = resolution;
// bind the source PDF file
pdfConverter.BindPdf(inputFile);
// start the conversion process
pdfConverter.DoConvert();
//create TiffSettings object, set Compression and ColorDepth
var tiffSettings = new TiffSettings {
Compression = CompressionType.None
};
var guid = Guid.NewGuid().ToString();
var filepath = Path.Combine(outputFolder, $"{Path.GetFileNameWithoutExtension(guid)}.tiff");
pdfConverter.SaveAsTIFF(filepath, tiffSettings);
pdfConverter.Close();
return(filepath);
}
catch (Exception e)
{
Console.WriteLine(e);
throw;
}
}