private static FigureElement ExtractToFigureElement(ITaggedContent taggedContent, Page page, int imageIndex)
{
ImagePlacementAbsorber imagePlacementAbsorber = new ImagePlacementAbsorber();
page.Accept(imagePlacementAbsorber);
XImage xImage = imagePlacementAbsorber.ImagePlacements[imageIndex].Image;
FileStream outputImage = new FileStream("temp-image.png", FileMode.Create);
xImage.Save(outputImage, ImageFormat.Png);
outputImage.Close();
FigureElement figureElement = taggedContent.CreateFigureElement();
figureElement.SetImage("temp-image.png");
figureElement.AlternativeText = "Aspose logo";
return(figureElement);
}
public static void Run()
{
// ExStart:LinkStructureElements
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_WorkingDocuments();
string outFile = dataDir + "LinkStructureElements_Output.pdf";
string logFile = dataDir + "46035_log.xml";
string imgFile = dataDir + "google-icon-512.png";
// Creation document and getting Tagged Pdf Content
Document document = new Document();
ITaggedContent taggedContent = document.TaggedContent;
// Setting Title and Nature Language for document
taggedContent.SetTitle("Link Elements Example");
taggedContent.SetLanguage("en-US");
// Getting Root structure element (Document structure element)
StructureElement rootElement = taggedContent.RootElement;
ParagraphElement p1 = taggedContent.CreateParagraphElement();
rootElement.AppendChild(p1);
LinkElement link1 = taggedContent.CreateLinkElement();
p1.AppendChild(link1);
link1.Hyperlink = new WebHyperlink("http://google.com");
link1.SetText("Google");
link1.AlternateDescriptions = "Link to Google";
ParagraphElement p2 = taggedContent.CreateParagraphElement();
rootElement.AppendChild(p2);
LinkElement link2 = taggedContent.CreateLinkElement();
p2.AppendChild(link2);
link2.Hyperlink = new WebHyperlink("http://google.com");
SpanElement span2 = taggedContent.CreateSpanElement();
span2.SetText("Google");
link2.AppendChild(span2);
link2.AlternateDescriptions = "Link to Google";
ParagraphElement p3 = taggedContent.CreateParagraphElement();
rootElement.AppendChild(p3);
LinkElement link3 = taggedContent.CreateLinkElement();
p3.AppendChild(link3);
link3.Hyperlink = new WebHyperlink("http://google.com");
SpanElement span31 = taggedContent.CreateSpanElement();
span31.SetText("G");
SpanElement span32 = taggedContent.CreateSpanElement();
span32.SetText("oogle");
link3.AppendChild(span31);
link3.SetText("-");
link3.AppendChild(span32);
link3.AlternateDescriptions = "Link to Google";
ParagraphElement p4 = taggedContent.CreateParagraphElement();
rootElement.AppendChild(p4);
LinkElement link4 = taggedContent.CreateLinkElement();
p4.AppendChild(link4);
link4.Hyperlink = new WebHyperlink("http://google.com");
link4.SetText("The multiline link: Google Google Google Google Google Google Google Google Google Google Google Google Google Google Google Google Google Google Google Google");
link4.AlternateDescriptions = "Link to Google (multiline)";
ParagraphElement p5 = taggedContent.CreateParagraphElement();
rootElement.AppendChild(p5);
LinkElement link5 = taggedContent.CreateLinkElement();
p5.AppendChild(link5);
link5.Hyperlink = new WebHyperlink("http://google.com");
FigureElement figure5 = taggedContent.CreateFigureElement();
figure5.SetImage(imgFile, 1200);
figure5.AlternativeText = "Google icon";
StructureAttributes linkLayoutAttributes = link5.Attributes.GetAttributes(AttributeOwnerStandard.Layout);
StructureAttribute placementAttribute = new StructureAttribute(AttributeKey.Placement);
placementAttribute.SetNameValue(AttributeName.Placement_Block);
linkLayoutAttributes.SetAttribute(placementAttribute);
link5.AppendChild(figure5);
link5.AlternateDescriptions = "Link to Google";
// Save Tagged Pdf Document
document.Save(outFile);
// Checking PDF/UA compliance
document = new Document(outFile);
bool isPdfUaCompliance = document.Validate(logFile, PdfFormat.PDF_UA_1);
Console.WriteLine(String.Format("PDF/UA compliance: {0}", isPdfUaCompliance));
// ExEnd:LinkStructureElements
}
