private void Export_Second_And_Third_Pdf_Page_As_Grayscale_Png()
{
GhostscriptPngDevice dev = new GhostscriptPngDevice(GhostscriptPngDeviceType.PngGray);
dev.GraphicsAlphaBits = GhostscriptImageDeviceAlphaBits.V_4;
dev.TextAlphaBits = GhostscriptImageDeviceAlphaBits.V_4;
dev.ResolutionXY = new GhostscriptImageDeviceResolution(96, 96);
dev.InputFiles.Add(@"E:\gss_test\indispensable.pdf");
dev.Pdf.FirstPage = 2;
dev.Pdf.LastPage = 4;
dev.OutputPath = @"E:\gss_test\output\indispensable_gray_page_%03d.png";
dev.Process();
}
private void Export_Second_And_Third_Pdf_Page_As_Grayscale_Png()
{
GhostscriptPngDevice dev = new GhostscriptPngDevice(GhostscriptPngDeviceType.PngGray);
dev.GraphicsAlphaBits = GhostscriptImageDeviceAlphaBits.V_4;
dev.TextAlphaBits = GhostscriptImageDeviceAlphaBits.V_4;
dev.ResolutionXY = new GhostscriptImageDeviceResolution(96, 96);
dev.InputFiles.Add(@"E:\gss_test\indispensable.pdf");
dev.Pdf.FirstPage = 2;
dev.Pdf.LastPage = 4;
dev.OutputPath = @"E:\gss_test\output\indispensable_gray_page_%03d.png";
dev.Process();
}
private void Export_Second_And_Third_Pdf_Page_As_24bit_Png()
{
GhostscriptPngDevice dev = new GhostscriptPngDevice(GhostscriptPngDeviceType.Png16m);
dev.GraphicsAlphaBits = GhostscriptImageDeviceAlphaBits.V_4;
dev.TextAlphaBits = GhostscriptImageDeviceAlphaBits.V_4;
dev.ResolutionXY = new GhostscriptImageDeviceResolution(96, 96);
dev.InputFiles.Add(@"E:\gss_test\indispensable.pdf");
dev.Pdf.FirstPage = 2;
dev.Pdf.LastPage = 4;
dev.CustomSwitches.Add("-dDOINTERPOLATE");
dev.OutputPath = @"E:\gss_test\output\indispensable_color_page_%03d.png";
dev.Process();
}
private void Extract_Pdf_Pages_As_Png_And_Add_Watermark()
{
GhostscriptPngDevice dev = new GhostscriptPngDevice(GhostscriptPngDeviceType.Png16m);
dev.GraphicsAlphaBits = GhostscriptImageDeviceAlphaBits.V_4;
dev.TextAlphaBits = GhostscriptImageDeviceAlphaBits.V_4;
dev.ResolutionXY = new GhostscriptImageDeviceResolution(96, 96);
dev.InputFiles.Add(@"E:\gss_test\indispensable.pdf");
dev.Pdf.FirstPage = 2;
dev.Pdf.LastPage = 4;
dev.PostScript = POSTSCRIPT_APPEND_WATERMARK;
dev.OutputPath = @"E:\gss_test\output\indispensable_color_page_%03d.png";
dev.Process();
}
private void Export_Second_And_Third_Pdf_Page_As_24bit_Png()
{
GhostscriptPngDevice dev = new GhostscriptPngDevice(GhostscriptPngDeviceType.Png16m);
dev.GraphicsAlphaBits = GhostscriptImageDeviceAlphaBits.V_4;
dev.TextAlphaBits = GhostscriptImageDeviceAlphaBits.V_4;
dev.ResolutionXY = new GhostscriptImageDeviceResolution(96, 96);
dev.InputFiles.Add(@"E:\gss_test\indispensable.pdf");
dev.Pdf.FirstPage = 2;
dev.Pdf.LastPage = 4;
dev.CustomSwitches.Add("-dDOINTERPOLATE");
dev.OutputPath = @"E:\gss_test\output\indispensable_color_page_%03d.png";
dev.Process();
}
public void LoadImage(string filepath, string destpath)
{
PdfReader reader = new iTextSharp.text.pdf.PdfReader(filepath);
GhostscriptPngDevice dev = new GhostscriptPngDevice(GhostscriptPngDeviceType.Png256);
dev.GraphicsAlphaBits = GhostscriptImageDeviceAlphaBits.V_4;
dev.TextAlphaBits = GhostscriptImageDeviceAlphaBits.V_4;
dev.ResolutionXY = new GhostscriptImageDeviceResolution(290, 290);
dev.InputFiles.Add(filepath);
dev.Pdf.FirstPage = 0;
dev.Pdf.LastPage = reader.NumberOfPages;
dev.CustomSwitches.Add("-dDOINTERPOLATE");
dev.OutputPath = destpath + "%03d.jpg";
dev.Process();
}
public static void ConvertPdfToImage(string libPath, string inputPDFFilePath, int pageNumber, string outputFilePath, int width, int height)
{
GhostscriptVersionInfo gvi = new GhostscriptVersionInfo(libPath);
GhostscriptPngDevice dev = new GhostscriptPngDevice(GhostscriptPngDeviceType.Png256);
dev.GraphicsAlphaBits = GhostscriptImageDeviceAlphaBits.V_4;
dev.TextAlphaBits = GhostscriptImageDeviceAlphaBits.V_4;
dev.ResolutionXY = new GhostscriptImageDeviceResolution(290, 290);
dev.InputFiles.Add(inputPDFFilePath);
dev.Pdf.FirstPage = pageNumber;
dev.Pdf.LastPage = pageNumber;
dev.CustomSwitches.Add("-dDOINTERPOLATE");
dev.OutputPath = outputFilePath;
dev.Process(gvi, true, null);
}
public void LoadImage(string InputPDFFile, int PageNumber)
{
//string outImageName = @"D:\testGI\AA\Meatslave_Aiko_Iwase.pdf";
string outImageName = InputPDFFile;
outImageName = outImageName + "_" + PageNumber.ToString() + "_.jpg";
GhostscriptPngDevice dev = new GhostscriptPngDevice(GhostscriptPngDeviceType.Png256);
dev.GraphicsAlphaBits = GhostscriptImageDeviceAlphaBits.V_4;
dev.TextAlphaBits = GhostscriptImageDeviceAlphaBits.V_4;
dev.ResolutionXY = new GhostscriptImageDeviceResolution(290, 290);
dev.InputFiles.Add(InputPDFFile);
dev.Pdf.FirstPage = PageNumber;
dev.Pdf.LastPage = PageNumber;
dev.CustomSwitches.Add("-dDOINTERPOLATE");
dev.OutputPath = @"D:\testGI\AA\" + outImageName;
dev.Process();
}
public void PdfToImage(string inputfile)
{
GhostscriptVersionInfo _lastInstalledVersion = GetGhostscriptVersion();
int pageCount = GetPageCount(inputfile);
var outputpath = FileUtilities.GetOutputPath(inputfile, ActionType.PDFTOIMAGE, formatChange: true, newExtension: ".jpeg", hasMultipleOutput: pageCount > 1, outputNameFormat: "{0}_Page_{1}");
GhostscriptPngDevice img = new GhostscriptPngDevice
{
GraphicsAlphaBits = GhostscriptImageDeviceAlphaBits.V_4,
TextAlphaBits = GhostscriptImageDeviceAlphaBits.V_4,
Resolution = 600,
PostScript = string.Empty
};
img.InputFiles.Add(inputfile);
for (int i = 1; i <= pageCount; i++)
{
img.Pdf.FirstPage = i;
img.Pdf.LastPage = i;
var outputfilename = string.Format(outputpath, Path.GetFileNameWithoutExtension(inputfile), i);
if (File.Exists(outputfilename))
{
File.Delete(outputfilename);
}
img.OutputPath = outputfilename;
img.Process(_lastInstalledVersion, false, null);
Console.WriteLine("Generated {0}", Path.GetFileName(outputfilename));
}
}
