// For this sample to work, the following file
// need to exist: unicode.pdf.
// Compile the corresponding sample to get this file
public static void SplitFile()
{
//PDF4NET v5: PDFFile.SplitFile("Sample_Unicode.pdf", "Sample_Unicode-page.pdf");
FileStream stm = File.OpenRead("..\\..\\..\\..\\..\\SupportFiles\\content.pdf");
PDFFile file = new PDFFile(stm);
for (int i = 0; i < file.PageCount; i++)
{
PDFFixedDocument document = new PDFFixedDocument();
document.Pages.Add(file.ExtractPage(i));
document.Save(i + ".pdf");
}
}
private static void SplitPagesNoUnusedResourcesRemoval()
{
using (FileStream fs = File.OpenRead("PDF4NET.Features.pdf"))
{
PDFFile sourceFile = new PDFFile(fs);
for (int i = 0; i < sourceFile.PageCount; i++)
{
PDFFixedDocument document = new PDFFixedDocument();
PDFPage page = sourceFile.ExtractPage(i);
document.Pages.Add(page);
document.Save($"UnusedResourcesKept.Page.{i}.pdf");
}
}
}
/// <summary>
/// Main method for running the sample.
/// </summary>
public static SampleOutputInfo[] Run(Stream input)
{
// The input file is split by extracting pages from source file and inserting them in new empty PDF documents.
PDFFile file = new PDFFile(input);
SampleOutputInfo[] output = new SampleOutputInfo[file.PageCount];
for (int i = 0; i < file.PageCount; i++)
{
PDFFixedDocument document = new PDFFixedDocument();
PDFPage page = file.ExtractPage(i);
document.Pages.Add(page);
output[i] = new SampleOutputInfo(document, string.Format("documentsplit.{0}.pdf", i + 1));
}
return(output);
}
private static void SplitPagesWithUnusedResourcesRemoval()
{
using (FileStream fs = File.OpenRead("PDF4NET.Features.pdf"))
{
PDFFile sourceFile = new PDFFile(fs);
for (int i = 0; i < sourceFile.PageCount; i++)
{
PDFFixedDocument document = new PDFFixedDocument();
PDFPage page = sourceFile.ExtractPage(i);
RemoveUnusedResourcesTransform transform = new RemoveUnusedResourcesTransform();
PDFPageTransformer pageTransformer = new PDFPageTransformer(page);
pageTransformer.ApplyTransform(transform);
document.Pages.Add(page);
document.Save($"UnusedResourcesRemoved.Page.{i}.pdf");
}
}
}
// For this sample to work, the following files
// need to exist: unicode.pdf and multicolumntextandimages.pdf.
// Compile the corresponding samples to get these files
public static void MixFiles()
{
//PDF4NET v5: PDFFile unicodeFile = PDFFile.FromFile("Sample_Unicode.pdf");
FileStream stm1 = File.OpenRead("..\\..\\..\\..\\..\\SupportFiles\\content.pdf");
PDFFile file1 = new PDFFile(stm1);
//PDF4NET v5: PDFFile mctiFile = PDFFile.FromFile("Sample_MultiColumnTextAndImages.pdf");
FileStream stm2 = File.OpenRead("..\\..\\..\\..\\..\\SupportFiles\\sample.pdf");
PDFFile file2 = new PDFFile(stm2);
//PDF4NET v5: PDFImportedPage ip = null;
PDFPage ip = null;
//PDF4NET v5: PDFDocument doc = new PDFDocument();
PDFFixedDocument doc = new PDFFixedDocument();
for (int i = 0; i < 4; i++)
{
// extract the page
ip = file1.ExtractPage(i);
// add the page to new document
doc.Pages.Add(ip);
// extract the page
ip = file2.ExtractPage(i);
// add the page to new document
doc.Pages.Add(ip);
}
// save the mixed document
doc.Save("Sample_Mix.pdf");
//PDF4NET v5: unicodeFile.Close();
stm1.Close();
//PDF4NET v5: mctiFile.Close();
stm2.Close();
}