private void Button_Click(object sender, RoutedEventArgs e)
{
try
{
using (PDFDoc doc = new PDFDoc())
{
doc.InitSecurityHandler();
pdftron.PDF.Page newPg = doc.PageCreate();
doc.PagePushBack(newPg);
Ink ink = Ink.Create(doc, new pdftron.PDF.Rect(110, 10, 300, 200));
pdftron.PDF.Point pt3 = new pdftron.PDF.Point(110, 10);
//pt3.x = 110; pt3.y = 10;
ink.SetPoint(0, 0, pt3);
pt3.x = 150; pt3.y = 50;
ink.SetPoint(0, 1, pt3);
pt3.x = 190; pt3.y = 60;
ink.SetPoint(0, 2, pt3);
pt3.x = 180; pt3.y = 90;
ink.SetPoint(1, 0, pt3);
pt3.x = 190; pt3.y = 95;
ink.SetPoint(1, 1, pt3);
pt3.x = 200; pt3.y = 100;
ink.SetPoint(1, 2, pt3);
pt3.x = 166; pt3.y = 86;
ink.SetPoint(2, 0, pt3);
pt3.x = 196; pt3.y = 96;
ink.SetPoint(2, 1, pt3);
pt3.x = 221; pt3.y = 121;
ink.SetPoint(2, 2, pt3);
pt3.x = 288; pt3.y = 188;
ink.SetPoint(2, 3, pt3);
ink.SetColor(new ColorPt(0, 1, 1), 3);
newPg.AnnotPushBack(ink);
// Save as a linearized file which is most popular
// and effective format for quick PDF Viewing.
doc.Save("linearized_output.pdf", SDFDoc.SaveOptions.e_linearized);
System.Console.WriteLine("Done. Results saved in linearized_output.pdf");
MessageBox.Show("Done. Results saved in linearized_output.pdf", "Document Creation");
}
}
catch (PDFNetException ex)
{
System.Console.WriteLine(ex.Message);
}
}
static void CreateHighlightAnnots(Annotation annotation, System.Drawing.Color highlightColor, Document document, List <Rect> coveredRectsBefore, out List <Rect> coveredRectsAfter)
{
List <Quad> quads = annotation.Quads.Where(q => q.IsContainer == false).ToList();
List <int> pages = quads.Select(q => q.PageIndex).ToList().Distinct().ToList();
pages.Sort();
KnowledgeItem quotation = (KnowledgeItem)annotation.EntityLinks.Where(e => e.Indication == EntityLink.PdfKnowledgeItemIndication).FirstOrDefault().Source;
string quotationText = quotation.Text;
if (string.IsNullOrEmpty(quotationText))
{
quotationText = quotation.CoreStatement;
}
bool TextAlreadyWrittenToAnAnnotation = false;
coveredRectsAfter = coveredRectsBefore;
double currentR = highlightColor.R;
double currentG = highlightColor.G;
double currentB = highlightColor.B;
double currentA = highlightColor.A;
ColorPt colorPt = new ColorPt(
currentR / 255,
currentG / 255,
currentB / 255
);
double highlightOpacity = currentA / 255;
foreach (int pageIndex in pages)
{
pdftron.PDF.Page page = document.GetPage(pageIndex);
if (page == null)
{
continue;
}
if (!page.IsValid())
{
continue;
}
List <Quad> quadsOnThisPage = annotation.Quads.Where(q => q.PageIndex == pageIndex && q.IsContainer == false).Distinct().ToList();
List <Rect> boxes = new List <Rect>();
foreach (Quad quad in quadsOnThisPage)
{
boxes.Add(new Rect(quad.MinX, quad.MinY, quad.MaxX, quad.MaxY));
}
Annot newAnnot = null;
// If we want to make the later annotation invisible, we should uncomment the following if then else, and comment out the line after that
if (boxes.Select(b => new { b.x1, b.y1, b.x2, b.y2 }).Intersect(coveredRectsAfter.Select(b => new { b.x1, b.y1, b.x2, b.y2 })).Count() == boxes.Count())
{
newAnnot = CreateSingleHighlightAnnot(document, boxes, colorPt, 0);
}
else
{
newAnnot = CreateSingleHighlightAnnot(document, boxes, colorPt, highlightOpacity);
}
// newAnnot = CreateSingleHighlightAnnot(document, boxes, colorPt, highlightOpacity);
if (!TextAlreadyWrittenToAnAnnotation)
{
newAnnot.SetContents(quotationText);
TextAlreadyWrittenToAnAnnotation = true;
}
page.AnnotPushBack(newAnnot);
if (newAnnot.IsValid() == false)
{
continue;
}
if (newAnnot.GetAppearance() == null)
{
newAnnot.RefreshAppearance();
}
coveredRectsAfter.AddRange(boxes);
}
}
