public static Dictionary<int, string> PDFToImage(string file, string outputPath, int dpi)
{
string path = Path.GetDirectoryName(Assembly.GetEntryAssembly().Location);
Ghostscript.NET.Rasterizer.GhostscriptRasterizer rasterizer = null;
Ghostscript.NET.GhostscriptVersionInfo vesion = new Ghostscript.NET.GhostscriptVersionInfo(new System.Version(0, 0, 0), path + @"\gsdll64.dll", string.Empty, Ghostscript.NET.GhostscriptLicense.GPL);
Dictionary<int, string> dictionary = new Dictionary<int, string>();
using (rasterizer = new Ghostscript.NET.Rasterizer.GhostscriptRasterizer())
{
rasterizer.Open(file, vesion, false);
for (int i = 1; i <= rasterizer.PageCount; i++)
{
string pageFilePath = Path.Combine(outputPath, Path.GetFileNameWithoutExtension(@file).Replace(".pdf", "") + "-p" + i.ToString() + ".tiff");
using (System.Drawing.Image img = rasterizer.GetPage(dpi, dpi, i))
{
if (File.Exists(pageFilePath))
{
//img.Save(pageFilePath, System.Drawing.Imaging.ImageFormat.Tiff);
dictionary.Add(i, pageFilePath);
}
else
{
img.Save(pageFilePath, System.Drawing.Imaging.ImageFormat.Tiff);
dictionary.Add(i, pageFilePath);
}
}
}
rasterizer.Close();
rasterizer.Dispose();
}
return dictionary;
}
