private void Export_First_And_Second_Pdf_Page_As_Color_Jpeg()
{
GhostscriptJpegDevice dev = new GhostscriptJpegDevice(GhostscriptJpegDeviceType.Jpeg);
dev.GraphicsAlphaBits = GhostscriptImageDeviceAlphaBits.V_4;
dev.TextAlphaBits = GhostscriptImageDeviceAlphaBits.V_4;
dev.ResolutionXY = new GhostscriptImageDeviceResolution(96, 96);
dev.JpegQuality = 80;
dev.InputFiles.Add(@"E:\gss_test\indispensable.pdf");
dev.Pdf.FirstPage = 2;
dev.Pdf.LastPage = 4;
dev.OutputPath = @"E:\gss_test\output\indispensable_color_page_%03d.jpeg";
dev.Process();
}
private void Export_First_And_Second_Pdf_Page_As_Grayscale_Jpeg()
{
GhostscriptJpegDevice dev = new GhostscriptJpegDevice(GhostscriptJpegDeviceType.JpegGray);
dev.GraphicsAlphaBits = GhostscriptImageDeviceAlphaBits.V_4;
dev.TextAlphaBits = GhostscriptImageDeviceAlphaBits.V_4;
dev.ResolutionXY = new GhostscriptImageDeviceResolution(96, 96);
dev.JpegQuality = 80;
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.jpeg";
dev.Process();
}
private void Export_First_And_Second_Pdf_Page_As_Color_Jpeg()
{
GhostscriptJpegDevice dev = new GhostscriptJpegDevice(GhostscriptJpegDeviceType.Jpeg);
dev.GraphicsAlphaBits = GhostscriptImageDeviceAlphaBits.V_4;
dev.TextAlphaBits = GhostscriptImageDeviceAlphaBits.V_4;
dev.ResolutionXY = new GhostscriptImageDeviceResolution(96, 96);
dev.JpegQuality = 80;
dev.InputFiles.Add(@"..\..\..\test\t2.pdf");
dev.Pdf.FirstPage = 2;
dev.Pdf.LastPage = 4;
dev.OutputPath = @"..\..\..\test\output\t2_color_page_%03d.jpeg";
dev.Process();
}
private void b_pdf2jpg_Click(object sender, EventArgs e)
{
try
{
if (listBox1.SelectedIndex != -1 & comboBox1.Text == "*.pdf")
{
foreach (var item in listBox1.SelectedItems)
{
Convert.ToString(item);
string sourcePdf = Convert.ToString(item);
string thename = Path.GetFileNameWithoutExtension(sourcePdf);
raf = new iTextSharp.text.pdf.RandomAccessFileOrArray(sourcePdf);
reader = new iTextSharp.text.pdf.PdfReader(raf, null);
var page = reader.GetPageSize(1);
int heigt = Convert.ToInt16(page.Height);
int width = Convert.ToInt16(page.Width);
//uzycie wprapera z Nuget
//GhostscriptWrapper.GeneratePageThumb(@sourcePdf, @sourcePdf.Replace("pdf", "jpg"), 1, width, heigt);
//GhostscriptWrapper.GeneratePageThumb(sourcePdf, sourcePdf.Replace("pdf", "jpg"), 1, 297, 210);
GhostscriptJpegDevice dev = new GhostscriptJpegDevice(GhostscriptJpegDeviceType.Jpeg);
dev.GraphicsAlphaBits = GhostscriptImageDeviceAlphaBits.V_4;
dev.TextAlphaBits = GhostscriptImageDeviceAlphaBits.V_4;
dev.ResolutionXY = new GhostscriptImageDeviceResolution(300, 300);
dev.JpegQuality = 100;
dev.InputFiles.Add(@sourcePdf);
dev.Pdf.FirstPage = 1;
dev.Pdf.LastPage = 1;
dev.OutputPath = @sourcePdf.Replace("pdf", "jpg");
dev.Process();
}
System.Media.SystemSounds.Beep.Play();
MessageBox.Show("koniec");
}
else
{
System.Media.SystemSounds.Beep.Play();
MessageBox.Show("Wskaż pliki pdf na liście");
}
}
catch
{
}
}
public string LoadImage(string InputPDFFile, int PageNumber, HttpContext context)
{
string outImageName = Path.GetFileNameWithoutExtension(InputPDFFile);
outImageName = outImageName + "_" + PageNumber.ToString() + "_.jpg";
GhostscriptJpegDevice dev = new GhostscriptJpegDevice(GhostscriptJpegDeviceType.Jpeg);
dev.GraphicsAlphaBits = GhostscriptImageDeviceAlphaBits.V_4;
dev.TextAlphaBits = GhostscriptImageDeviceAlphaBits.V_4;
dev.ResolutionXY = new GhostscriptImageDeviceResolution(250, 250);
dev.InputFiles.Add(InputPDFFile);
dev.Pdf.FirstPage = PageNumber;
dev.Pdf.LastPage = PageNumber;
dev.CustomSwitches.Add("-dDOINTERPOLATE");
dev.OutputPath = context.Server.MapPath(@"~/Media/" + outImageName);
dev.Process();
return(outImageName);
}
