// For this sample to work, the following file
// needs to exist: multicolumntextandimages.pdf.
// Compile the corresponding sample to get this file
public static void MultiPage()
{
//PDF4NET v5: PDFFile mctiFile = PDFFile.FromFile("Sample_MultiColumnTextAndImages-Secure.pdf", Encoding.ASCII.GetBytes("userpass"));
FileStream stm = File.OpenRead("..\\..\\..\\..\\..\\SupportFiles\\content.pdf");
PDFFile file = new PDFFile(stm);
// extract the content of first 4 pages
//PDF4NET v5: PDFImportedContent[] ic = mctiFile.ExtractPagesContent("0-3");
PDFPageContent[] pc = file.ExtractPageContent(0, 3);
// create the new document
//PDF4NET v5: PDFDocument doc = new PDFDocument();
PDFFixedDocument doc = new PDFFixedDocument();
// add a page to it
//PDF4NET v5: PDFPage page = doc.AddPage();
PDFPage page = doc.Pages.Add();
// draw the imported content (4 pages) on the new page
//PDF4NET v5: page.Canvas.DrawImportedContent(ic[0], 0, 0, page.Width / 2, page.Height / 2);
page.Canvas.DrawFormXObject(pc[0], 0, 0, page.Width / 2, page.Height / 2);
//PDF4NET v5: page.Canvas.DrawImportedContent(ic[1], page.Width / 2, 0, page.Width / 2, page.Height / 2);
page.Canvas.DrawFormXObject(pc[1], page.Width / 2, 0, page.Width / 2, page.Height / 2);
//PDF4NET v5: page.Canvas.DrawImportedContent(ic[2], 0, page.Height / 2, page.Width / 2, page.Height / 2);
page.Canvas.DrawFormXObject(pc[2], 0, page.Height / 2, page.Width / 2, page.Height / 2);
//PDF4NET v5: page.Canvas.DrawImportedContent(ic[3], page.Width / 2, page.Height / 2, page.Width / 2, page.Height / 2);
page.Canvas.DrawFormXObject(pc[3], page.Width / 2, page.Height / 2, page.Width / 2, page.Height / 2);
// save the mixed document
doc.Save("Sample_Imposition.pdf");
//PDF4NET v5: mctiFile.Close();
stm.Close();
}
public static void Main(string[] args)
{
// Extract the page content from the source file.
FileStream stream = File.OpenRead("input.pdf");
PDFFile source = new PDFFile(stream);
PDFPageContent pageContent = source.ExtractPageContent(0);
stream.Close();
PDFFixedDocument document = new PDFFixedDocument();
document.OptionalContentProperties = new PDFOptionalContentProperties();
PDFPage page = document.Pages.Add();
// Create an optional content group (layer) for the extracted page content.
PDFOptionalContentGroup ocg = new PDFOptionalContentGroup();
ocg.Name = "Embedded page";
ocg.VisibilityState = PDFOptionalContentGroupVisibilityState.AlwaysVisible;
ocg.PrintState = PDFOptionalContentGroupPrintState.NeverPrint;
// Draw the extracted page content in the layer
page.Canvas.BeginOptionalContentGroup(ocg);
page.Canvas.DrawFormXObject(pageContent, 0, 0, page.Width, page.Height);
page.Canvas.EndOptionalContentGroup();
// Build the display tree for the optional content
PDFOptionalContentDisplayTreeNode ocgNode = new PDFOptionalContentDisplayTreeNode(ocg);
document.OptionalContentProperties.DisplayTree.Nodes.Add(ocgNode);
using (FileStream output = File.Create("EmbedPageAsLayer.pdf"))
{
document.Save(output);
}
}
/// <summary>
/// Main method for running the sample.
/// </summary>
public static SampleOutputInfo[] Run(Stream input)
{
PDFFile file = new PDFFile(input);
PDFPageContent[] content = file.ExtractPageContent(0, file.PageCount - 1);
file = null;
PDFFixedDocument document = new PDFFixedDocument();
PDFPage page1 = document.Pages.Add();
// Draw the same page content 4 times on the new page, the content is scaled to half and flipped.
page1.Canvas.DrawFormXObject(content[0],
0, 0, page1.Width / 2, page1.Height / 2);
page1.Canvas.DrawFormXObject(content[0],
page1.Width / 2, 0, page1.Width / 2, page1.Height / 2, 0, PDFFlipDirection.VerticalFlip);
page1.Canvas.DrawFormXObject(content[0],
0, page1.Height / 2, page1.Width / 2, page1.Height / 2, 0, PDFFlipDirection.HorizontalFlip);
page1.Canvas.DrawFormXObject(content[0],
page1.Width / 2, page1.Height / 2, page1.Width / 2, page1.Height / 2,
0, PDFFlipDirection.VerticalFlip | PDFFlipDirection.HorizontalFlip);
PDFPage page2 = document.Pages.Add();
// Draw 3 pages on the new page.
page2.Canvas.DrawFormXObject(content[0],
0, 0, page2.Width / 2, page2.Height / 2);
page2.Canvas.DrawFormXObject(content[1],
page2.Width / 2, 0, page2.Width / 2, page2.Height / 2);
page2.Canvas.DrawFormXObject(content[2],
0, page2.Height, page2.Height / 2, page2.Width, 90);
SampleOutputInfo[] output = new SampleOutputInfo[] { new SampleOutputInfo(document, "pageimposition.pdf") };
return(output);
}
