/* * This class is part of the book "iText in Action - 2nd Edition" * written by Bruno Lowagie (ISBN: 9781935182610) * For more info, go to: http://itextpdf.com/examples/ * This example only works with the AGPL version of iText. */ using System; using System.IO; using System.Collections.Generic; using System.Linq; using iTextSharp.text; using iTextSharp.text.pdf; namespace kuujinbo.iTextInAction2Ed.Chapter15 { public class LayerMembershipExample1 : IWriter { // =========================================================================== public void Write(Stream stream) { // step 1 using (Document document = new Document()) { // step 2 PdfWriter writer = PdfWriter.GetInstance(document, stream); writer.PdfVersion = PdfWriter.VERSION_1_5; // step 3 document.Open(); // step 4 PdfContentByte cb = writer.DirectContent; PdfLayer dog = new PdfLayer("layer 1", writer); PdfLayer tiger = new PdfLayer("layer 2", writer); PdfLayer lion = new PdfLayer("layer 3", writer); PdfLayerMembership cat = new PdfLayerMembership(writer); cat.AddMember(tiger); cat.AddMember(lion); PdfLayerMembership no_cat = new PdfLayerMembership(writer); no_cat.AddMember(tiger); no_cat.AddMember(lion); no_cat.VisibilityPolicy = PdfLayerMembership.ALLOFF; cb.BeginLayer(dog); ColumnText.ShowTextAligned(cb, Element.ALIGN_LEFT, new Phrase("dog"), 50, 775, 0 ); cb.EndLayer(); cb.BeginLayer(tiger); ColumnText.ShowTextAligned(cb, Element.ALIGN_LEFT, new Phrase("tiger"), 50, 750, 0 ); cb.EndLayer(); cb.BeginLayer(lion); ColumnText.ShowTextAligned(cb, Element.ALIGN_LEFT, new Phrase("lion"), 50, 725, 0 ); cb.EndLayer(); cb.BeginLayer(cat); ColumnText.ShowTextAligned(cb, Element.ALIGN_LEFT, new Phrase("cat"), 50, 700, 0 ); cb.EndLayer(); cb.BeginLayer(no_cat); ColumnText.ShowTextAligned(cb, Element.ALIGN_LEFT, new Phrase("no cat"), 50, 700, 0 ); cb.EndLayer(); } } // =========================================================================== } }