private static void ConvertPdfToImage(ConvertPdfOptions options)
{
string dll = GetGhostScriptDllPath();
GhostscriptVersionInfo version = new GhostscriptVersionInfo(new System.Version(0, 0, 0), dll, string.Empty, GhostscriptLicense.GPL);
using (GhostscriptRasterizer gs = new GhostscriptRasterizer())
{
gs.Open(options.inputFile, version, false);
if (gs.PageCount > 0)
{
int dpi = options.quality * 3;
using (Image image = gs.GetPage(dpi, dpi, options.pageNumber))
{
int imageWidth = image.Width;
if (options.maxWidth > 0 && options.maxWidth < imageWidth)
{
double ratio = (double)options.maxWidth / imageWidth;
int maxHeight = Convert.ToInt32(Math.Round(ratio * image.Height));
using (Image thumb = ResizeImage(image, options.maxWidth, maxHeight))
{
SaveImage(thumb, options.outputFile);
}
}
else
{
SaveImage(image, options.outputFile);
}
}
}
gs.Close();
}
}
static void Main(string[] args)
{
ConvertPdfOptions Options = new ConvertPdfOptions();
ParseArguments(args, Options);
if (checkSupport)
{
Environment.ExitCode = CheckRequirements();
return;
}
else if (installService)
{
Install();
return;
}
else if (runService)
{
StartService();
return;
}
else if (uninstallService)
{
Uninstall();
return;
}
else if (standalone)
{
StartServer();
return;
}
ExecuteConversion(Options);
}
private static void ServiceConvertFile(ConvertPdfOptions options)
{
System.ServiceModel.Channels.Binding binding = new NetNamedPipeBinding(NetNamedPipeSecurityMode.None);
using (ChannelFactory <IConvertPdfService> factory = new ChannelFactory <IConvertPdfService>(binding, ServiceNetPipeAddress))
{
//factory.Endpoint.Behaviors.Add(new Namedpi());
IConvertPdfService server = factory.CreateChannel();
Environment.ExitCode = server.Convert(options);
}
}
private static void ConvertPowerPoint(bool as2007, ConvertPdfOptions options)
{
Microsoft.Office.Interop.PowerPoint.Application appPowerp = new Microsoft.Office.Interop.PowerPoint.Application();
var powerpoint = as2007 ? appPowerp.Presentations.Open2007(options.inputFile) : appPowerp.Presentations.Open(options.inputFile);
powerpoint.ExportAsFixedFormat(options.outputFile, PpFixedFormatType.ppFixedFormatTypePDF);
if (appPowerp.Windows.Count > 0)
{
appPowerp.ActiveWindow.Close();
}
}
private static void ConvertWord(ConvertPdfOptions options)
{
Microsoft.Office.Interop.Word.Application appWord = new Microsoft.Office.Interop.Word.Application();
var wordDocument = appWord.Documents.Open(options.inputFile);
wordDocument.ExportAsFixedFormat(options.outputFile, WdExportFormat.wdExportFormatPDF);
wordDocument.Close(false);
if (appWord.Windows.Count > 0)
{
appWord.ActiveWindow.Close(false);
}
}
private static void ConvertExcel(ConvertPdfOptions options)
{
Microsoft.Office.Interop.Excel.Application appExcel = new Microsoft.Office.Interop.Excel.Application();
var excelSheet = appExcel.Workbooks.Open(options.inputFile);
excelSheet.ExportAsFixedFormat(XlFixedFormatType.xlTypePDF, options.outputFile, IgnorePrintAreas: true);
excelSheet.Close(false);
if (appExcel.Windows.Count > 0)
{
appExcel.ActiveWindow.Close(false);
}
}
private static void ExecuteConversion(ConvertPdfOptions Options)
{
if (ValidateArguments(Options))
{
if (useService)
{
ServiceConvertFile(Options);
}
else
{
ConvertFile(Options);
}
}
}
internal static int ConvertFile(ConvertPdfOptions options)
{
int result = 0;
string extension = Path.GetExtension(options.inputFile).ToLowerInvariant();
log("Converting {0} ...", options.inputFile);
try
{
if (File.Exists(options.outputFile))
{
File.Delete(options.outputFile);
}
switch (extension)
{
case ".doc":
case ".docx":
case ".dot":
case ".dotx":
ConvertWord(options);
break;
case ".pdf":
ConvertPdfToImage(options);
break;
case ".ppt":
ConvertPowerPoint(false, options);
break;
case ".pptm":
case ".pptx":
ConvertPowerPoint(true, options);
break;
case ".xls":
case ".xlsb":
case ".xlsx":
ConvertExcel(options);
break;
}
}
catch (Exception ex)
{
log(ex.Message);
log(ex.StackTrace);
result = -1;
}
return(result);
}
private static bool ValidateArguments(ConvertPdfOptions options)
{
if (options.inputFile == null)
{
return(Exit("Input file is missing"));
}
else if (!IsSupportedType(options.inputFile))
{
return(Exit("Unsupported file type: " + Path.GetExtension(options.inputFile)));
}
else if (options.outputFile == null)
{
return(Exit("Output file is missing"));
}
else if (File.Exists(options.outputFile) && !overwrite)
{
return(Exit("Output file exists - not overwriting " + options.outputFile));
}
return(true);
}
private static void ParseArguments(string[] args, ConvertPdfOptions options)
{
for (int i = 0; i < args.Length; i++)
{
string arg = args[i];
switch (arg.ToLowerInvariant())
{
case "-check":
case "/check":
case "-test":
case "/test":
checkSupport = true;
break;
case "/f":
case "-f":
case "/force":
case "-force":
case "/overwrite":
case "-overwrite":
overwrite = true;
break;
case "-i":
case "/i":
case "-install":
case "/install":
installService = true;
break;
case "-log":
case "/log":
i++; arg = args[i];
logfile = File.OpenWrite(arg);
break;
case "/p":
case "-p":
case "/page":
case "-page":
i++; arg = args[i];
options.pageNumber = int.Parse(arg);
break;
case "/q":
case "-q":
case "/quality":
case "-quality":
i++; arg = args[i];
options.quality = int.Parse(arg);
break;
case "-r":
case "/r":
case "-remote":
case "/remote":
useService = true;
break;
case "-service":
case "/service":
runService = true;
break;
case "-s":
case "/s":
case "-silent":
case "/silent":
silent = true;
break;
case "-standalone":
case "/standalone":
standalone = true;
break;
case "-u":
case "/u":
case "-uninstall":
case "/uninstall":
uninstallService = true;
break;
case "/w":
case "-w":
case "/width":
case "-width":
i++; arg = args[i];
options.maxWidth = int.Parse(arg);
break;
default:
if (options.inputFile == null)
{
options.inputFile = Path.GetFullPath(arg);
if (IsPdfFile(options.inputFile))
{
options.outputFile = Path.ChangeExtension(options.inputFile, ".jpg");
}
else
{
options.outputFile = Path.ChangeExtension(options.inputFile, ".pdf");
}
}
else
{
options.outputFile = Path.GetFullPath(arg);
}
break;
}
}
}