public virtual void LayersRadioGroup()
{
String outPdf = destinationFolder + "layersRadioGroup.pdf";
String cmpPdf = sourceFolder + "cmp_layersRadioGroup.pdf";
PdfDocument pdfDoc = new PdfDocument(new PdfWriter(outPdf));
PdfFont font = PdfFontFactory.CreateFont();
PdfLayer radiogroup = PdfLayer.CreateTitle("Radio group", pdfDoc);
PdfLayer radio1 = new PdfLayer("Radiogroup: layer 1", pdfDoc);
radio1.SetOn(true);
PdfLayer radio2 = new PdfLayer("Radiogroup: layer 2", pdfDoc);
radio2.SetOn(false);
PdfLayer radio3 = new PdfLayer("Radiogroup: layer 3", pdfDoc);
radio3.SetOn(false);
radiogroup.AddChild(radio1);
radiogroup.AddChild(radio2);
radiogroup.AddChild(radio3);
IList <PdfLayer> options = new List <PdfLayer>();
options.Add(radio1);
options.Add(radio2);
options.Add(radio3);
PdfLayer.AddOCGRadioGroup(pdfDoc, options);
PdfCanvas canvas = new PdfCanvas(pdfDoc.AddNewPage());
canvas.SetFontAndSize(font, 12);
PdfLayerTestUtils.AddTextInsideLayer(radio1, canvas, "layer option 1", 50, 600);
PdfLayerTestUtils.AddTextInsideLayer(radio2, canvas, "layer option 2", 50, 575);
PdfLayerTestUtils.AddTextInsideLayer(radio3, canvas, "layer option 3", 50, 550);
pdfDoc.Close();
PdfLayerTestUtils.CompareLayers(outPdf, cmpPdf);
}
/// <summary>Reads the /Order in the /D entry and initialized the parent-child hierarchy.</summary>
private void ReadOrderFromDictionary(PdfLayer parent, PdfArray orderArray, IDictionary <PdfIndirectReference
, PdfLayer> layerMap)
{
for (int i = 0; i < orderArray.Size(); i++)
{
PdfObject item = orderArray.Get(i);
if (item.GetObjectType() == PdfObject.DICTIONARY)
{
PdfLayer layer = layerMap.Get(item.GetIndirectReference());
if (layer != null)
{
layers.Add(layer);
layer.onPanel = true;
if (parent != null)
{
parent.AddChild(layer);
}
if (i + 1 < orderArray.Size() && orderArray.Get(i + 1).GetObjectType() == PdfObject.ARRAY)
{
PdfArray nextArray = orderArray.GetAsArray(i + 1);
if (nextArray.Size() > 0 && nextArray.Get(0).GetObjectType() != PdfObject.STRING)
{
ReadOrderFromDictionary(layer, orderArray.GetAsArray(i + 1), layerMap);
i++;
}
}
}
}
else
{
if (item.GetObjectType() == PdfObject.ARRAY)
{
PdfArray subArray = (PdfArray)item;
if (subArray.IsEmpty())
{
continue;
}
PdfObject firstObj = subArray.Get(0);
if (firstObj.GetObjectType() == PdfObject.STRING)
{
PdfLayer titleLayer = PdfLayer.CreateTitleSilent(((PdfString)firstObj).ToUnicodeString(), GetDocument());
titleLayer.onPanel = true;
layers.Add(titleLayer);
if (parent != null)
{
parent.AddChild(titleLayer);
}
ReadOrderFromDictionary(titleLayer, new PdfArray(subArray.SubList(1, subArray.Size())), layerMap);
}
else
{
ReadOrderFromDictionary(parent, subArray, layerMap);
}
}
}
}
}
public virtual void LayerGroup()
{
String outPdf = destinationFolder + "layerGroup.pdf";
String cmpPdf = sourceFolder + "cmp_layerGroup.pdf";
PdfDocument pdfDoc = new PdfDocument(new PdfWriter(outPdf));
PdfFont font = PdfFontFactory.CreateFont();
PdfLayer group = PdfLayer.CreateTitle("Grouped layers", pdfDoc);
PdfLayer layer1 = new PdfLayer("Group: layer 1", pdfDoc);
PdfLayer layer2 = new PdfLayer("Group: layer 2", pdfDoc);
group.AddChild(layer1);
group.AddChild(layer2);
PdfCanvas canvas = new PdfCanvas(pdfDoc.AddNewPage());
canvas.SetFontAndSize(font, 12);
PdfLayerTestUtils.AddTextInsideLayer(layer1, canvas, "layer 1 in the group", 50, 700);
PdfLayerTestUtils.AddTextInsideLayer(layer2, canvas, "layer 2 in the group", 50, 675);
pdfDoc.Close();
PdfLayerTestUtils.CompareLayers(outPdf, cmpPdf);
}
public virtual void NestedLayers()
{
String outPdf = destinationFolder + "nestedLayers.pdf";
String cmpPdf = sourceFolder + "cmp_nestedLayers.pdf";
PdfDocument pdfDoc = new PdfDocument(new PdfWriter(outPdf));
PdfFont font = PdfFontFactory.CreateFont();
PdfLayer nested = new PdfLayer("Parent layer", pdfDoc);
PdfLayer nested_1 = new PdfLayer("Nested layer 1", pdfDoc);
PdfLayer nested_2 = new PdfLayer("Nested layer 2", pdfDoc);
nested.AddChild(nested_1);
nested.AddChild(nested_2);
PdfCanvas canvas = new PdfCanvas(pdfDoc.AddNewPage());
canvas.SetFontAndSize(font, 12);
PdfLayerTestUtils.AddTextInsideLayer(nested, canvas, "Parent layer text", 50, 755);
PdfLayerTestUtils.AddTextInsideLayer(nested_1, canvas, "Nested layer 1 text", 100, 700);
PdfLayerTestUtils.AddTextInsideLayer(nested_2, canvas, "Nested layers 2 text", 100, 650);
pdfDoc.Close();
PdfLayerTestUtils.CompareLayers(outPdf, cmpPdf);
}