public static void pdf2image(Guid applicationId,
DocFileInfo pdf, string password, DocFileInfo destFile, ImageFormat imageFormat, bool repair)
{
//MagickNET.SetGhostscriptDirectory("[GhostScript DLL Dir]");
//MagickNET.SetTempDirectory("[a temp dir]");
if (!pdf.FileID.HasValue)
{
return;
}
else if (PDF2ImageProcessing.ContainsKey(pdf.FileID.Value) &&
(!repair || PDF2ImageProcessing[pdf.FileID.Value]))
{
return;
}
else
{
PDF2ImageProcessing[pdf.FileID.Value] = true;
}
if (destFile.file_exists_in_folder(applicationId) && !repair)
{
PDF2ImageProcessing[pdf.FileID.Value] = false;
return;
}
try
{
string cacheDir = PublicMethods.map_path(PublicConsts.MagickCacheDirectory, localPath: true);
if (!Directory.Exists(cacheDir))
{
Directory.CreateDirectory(cacheDir);
}
MagickAnyCPU.CacheDirectory = cacheDir;
}
catch (Exception ex)
{
LogController.save_error_log(applicationId, null, "SetMagickCacheDirectory", ex, ModuleIdentifier.DCT);
}
try
{
string tempDir = PublicMethods.map_path(PublicConsts.TempDirectory, localPath: true);
if (!Directory.Exists(tempDir))
{
Directory.CreateDirectory(tempDir);
}
MagickNET.SetTempDirectory(tempDir);
if (!string.IsNullOrEmpty(RaaiVanSettings.GhostScriptDirectory))
{
MagickNET.SetGhostscriptDirectory(RaaiVanSettings.GhostScriptDirectory);
}
}
catch (Exception ex)
{
LogController.save_error_log(applicationId, null, "SetMagickTempDirectory", ex, ModuleIdentifier.DCT);
}
try
{
using (MagickImageCollection pages = new MagickImageCollection())
{
MagickReadSettings settings = new MagickReadSettings()
{
Density = new Density(100, 100)
};
bool invalidPassword = false;
using (PdfReader reader = PDFUtil.open_pdf_file(applicationId, pdf, password, ref invalidPassword))
{
byte[] pdfContent = PDFUtil.to_byte_array(reader);
pages.Read(pdfContent, settings);
}
int pageNum = 0;
bool errorLoged = false;
foreach (MagickImage p in pages)
{
++pageNum;
destFile.FileName = pageNum.ToString();
destFile.Extension = imageFormat.ToString().ToLower();
if (destFile.exists(applicationId))
{
continue;
}
try
{
using (MemoryStream stream = new MemoryStream())
{
p.ToBitmap(imageFormat).Save(stream, imageFormat);
destFile.store(applicationId, stream.ToArray());
}
}
catch (Exception ex)
{
if (!errorLoged)
{
errorLoged = true;
LogController.save_error_log(applicationId, null,
"ConvertPDFPageToImage", ex, ModuleIdentifier.DCT);
}
}
}
}
}
catch (Exception ex)
{
LogController.save_error_log(applicationId, null, "ConvertPDFToImage", ex, ModuleIdentifier.DCT);
}
PDF2ImageProcessing[pdf.FileID.Value] = false;
}