static void Main(string[] args)
{
Console.WriteLine("CreateLayer Sample:");
// ReSharper disable once UnusedVariable
using (Library lib = new Library())
{
Console.WriteLine("Initialized the library.");
String sInput = Library.ResourceDirectory + "Sample_Input/ducky.pdf";
String sOutput = "CreateLayer-out.pdf";
if (args.Length > 0)
{
sInput = args[0];
}
if (args.Length > 1)
{
sOutput = args[1];
}
Console.WriteLine("Input file: " + sInput + ", writing to " + sOutput);
Document doc = new Document(sInput);
Console.WriteLine("Opened a document.");
Page pg = doc.GetPage(0);
Image img = (pg.Content.GetElement(0) as Image);
// Containers, Forms and Annotations can be attached to an
// OptionalContentGroup; other content (like Image) can
// be made optional by placing it inside a Container
Container container = new Container();
container.Content = new Content();
container.Content.AddElement(img);
// We replace the Image with the Container
// (which now holds the image)
pg.Content.RemoveElement(0);
pg.UpdateContent();
pg.Content.AddElement(container);
pg.UpdateContent();
// We create a new OptionalContentGroup and place it in the
// OptionalContentConfig.Order array
OptionalContentGroup ocg = CreateNewOptionalContentGroup(doc, "Rubber Ducky");
// Now we associate the Container with the OptionalContentGroup
// via an OptionalContentMembershipDict. Note that we MUST
// update the Page's content afterwards.
AssociateOCGWithContainer(doc, ocg, container);
pg.UpdateContent();
doc.Save(SaveFlags.Full, sOutput);
}
}
// Associate a Container with an OptionalContentGroup via an OptionalContentMembershipDict.
// This function associates a Containter with a single OptionalContentGroup and uses
// a VisibilityPolicy of AnyOn.
public static void AssociateOCGWithContainer(Document doc, OptionalContentGroup ocg, Container cont)
{
// Create an OptionalContentMembershipDict. The options here are appropriate for a
// 'typical' usage; other options can be used to create an 'inverting' layer
// (i.e. 'Display this content when the layer is turned OFF'), or to make the
// Container's visibility depend on several OptionalContentGroups
OptionalContentMembershipDict ocmd = new OptionalContentMembershipDict(doc, new OptionalContentGroup[] { ocg }, VisibilityPolicy.AnyOn);
// Associate the Container with the OptionalContentMembershipDict
cont.OptionalContentMembershipDict = ocmd;
}
private void loadOrder()
{
PDFArray order = _dictionary["Order"] as PDFArray;
if (order == null)
{
order = new PDFArray();
_dictionary.AddItem("Order", order);
}
_order = new OptionalContentGroup(order);
}
// Create an OptionalContentGroup with a given name, and add it to the
// default OptionalContentConfig's Order array.
public static OptionalContentGroup CreateNewOptionalContentGroup(Document doc, string name)
{
// Create an OptionalContentGroup
OptionalContentGroup ocg = new OptionalContentGroup(doc, name);
// Add it to the Order array -- this is required so that the OptionalContentGroup
// will appear in the 'Layers' control panel in Acrobat. It will appear in
// the control panel with the name given in the OptionalContentGroup constructor.
OptionalContentOrderArray order_list = doc.DefaultOptionalContentConfig.Order;
order_list.Insert(order_list.Length, new OptionalContentOrderLeaf(ocg));
return(ocg);
}
public Example_30()
{
PDF pdf = new PDF(new BufferedStream(
new FileStream("Example_30.pdf", FileMode.Create)));
Page page = new Page(pdf, Letter.PORTRAIT);
Font font = new Font(pdf, CoreFont.HELVETICA);
Image image = new Image(
pdf,
new BufferedStream(new FileStream(
"images/map407.png", FileMode.Open, FileAccess.Read)),
ImageType.PNG);
image.SetLocation(10f, 100f);
TextLine textLine = new TextLine(font);
textLine.SetText("© OpenStreetMap contributors");
textLine.SetLocation(430f, 655f);
textLine.DrawOn(page);
textLine = new TextLine(font);
textLine.SetText("http://www.openstreetmap.org/copyright");
textLine.SetURIAction("http://www.openstreetmap.org/copyright");
textLine.SetLocation(380f, 665f);
textLine.DrawOn(page);
OptionalContentGroup group = new OptionalContentGroup("Map");
group.Add(image);
group.SetVisible(true);
// group.SetPrintable(true);
group.DrawOn(page);
TextBox tb = new TextBox(font);
tb.SetText("Hello Text");
tb.SetLocation(300f, 100f);
tb = new TextBox(font);
tb.SetText("Hello Blue Layer Text");
tb.SetLocation(300f, 200f);
Line line = new Line();
line.SetPointA(300f, 250f);
line.SetPointB(500f, 250f);
line.SetWidth(2f);
line.SetColor(Color.blue);
group = new OptionalContentGroup("Blue");
group.Add(tb);
group.Add(line);
// group.SetVisible(true);
group.DrawOn(page);
line = new Line();
line.SetPointA(300f, 260f);
line.SetPointB(500f, 260f);
line.SetWidth(2f);
line.SetColor(Color.red);
image = new Image(
pdf,
new BufferedStream(new FileStream(
"images/BARCODE.PNG", FileMode.Open, FileAccess.Read)),
ImageType.PNG);
image.SetLocation(10f, 100f);
group = new OptionalContentGroup("Barcode");
group.Add(image);
group.Add(line);
group.SetVisible(true);
group.SetPrintable(true);
group.DrawOn(page);
pdf.Close();
}
static void Main()
{
// Create new document
Document pdfDocument = new Document();
pdfDocument.RegistrationName = "demo";
pdfDocument.RegistrationKey = "demo";
// Add page
Page page = new Page(PaperFormat.A4);
pdfDocument.Pages.Add(page);
Canvas canvas = page.Canvas;
// Add main layer
Layer allContents = new Layer("Main Layer");
canvas.BeginMarkedContent(allContents);
// Add sub-layer
Layer layer1 = new Layer("Square");
canvas.BeginMarkedContent(layer1);
canvas.DrawRectangle(new SolidBrush(new ColorRGB(0, 255, 0)), 20, 20, 100, 100);
canvas.EndMarkedContent();
// Add second sub-layer
Layer layer2 = new Layer("Circle");
canvas.BeginMarkedContent(layer2);
canvas.DrawCircle(new SolidBrush(new ColorRGB(255, 0, 0)), 70, 180, 50);
canvas.EndMarkedContent();
// Add third sub-layer
Layer layer3 = new Layer("Triangle");
canvas.BeginMarkedContent(layer3);
canvas.DrawPolygon(new SolidBrush(new ColorRGB(0, 0, 255)), new PointF[] { new PointF(20, 340), new PointF(70, 240), new PointF(120, 340) });
canvas.EndMarkedContent();
canvas.EndMarkedContent();
pdfDocument.OptionalContents.Layers.Add(layer1);
pdfDocument.OptionalContents.Layers.Add(layer2);
pdfDocument.OptionalContents.Layers.Add(layer3);
pdfDocument.OptionalContents.Layers.Add(allContents);
// Configure layers
// Group sub-layers
OptionalContentGroup group = new OptionalContentGroup();
group.Add(new OptionalContentGroupLayer(layer1));
group.Add(new OptionalContentGroupLayer(layer2));
group.Add(new OptionalContentGroupLayer(layer3));
// Order sub-layers
pdfDocument.OptionalContents.Configuration.Order.Add(new OptionalContentGroupLayer(allContents));
pdfDocument.OptionalContents.Configuration.Order.Add(group);
// Make the third layer invisible by default (for example)
pdfDocument.OptionalContents.Configuration.OFF.Add(layer3);
// Force the PDF viewer to show the layers panel initially
pdfDocument.PageMode = PageMode.OptionalContent;
// Save document to file
pdfDocument.Save("result.pdf");
// Cleanup
pdfDocument.Dispose();
// Open result document in default associated application (for demo purpose)
ProcessStartInfo processStartInfo = new ProcessStartInfo("result.pdf");
processStartInfo.UseShellExecute = true;
Process.Start(processStartInfo);
}