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Sample C# code to use PDFTron SDK for adding or editing PDF annotations. The annotation types included in this sample are: hyperlink, intra-document link, stamp, rubber stamp, file attachment, sound, text, free-text, line, circle, square, polygon, polyline, highlight, squiggly, caret, and ink. Learn more about our C# PDF Library and PDF Annotation Library.
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//
// Copyright (c) 2001-2021 by PDFTron Systems Inc. All Rights Reserved.
//
using pdftron;
using pdftron.Common;
using pdftron.Filters;
using pdftron.SDF;
using pdftron.PDF;
using pdftron.PDF.Annots;
using NUnit.Framework;
namespace MiscellaneousSamples
{
/// <summary>
/// Summary description for Class1.
/// </summary>
[TestFixture]
public class AnnotationTest
{
private static void AnnotationHighLevelAPI(PDFDoc doc)
{
// The following code snippet traverses all annotations in the document
System.Console.WriteLine("Traversing all annotations in the document...");
string uri;
int page_num = 1;
for (PageIterator itr = doc.GetPageIterator(); itr.HasNext(); itr.Next())
{
System.Console.WriteLine("Page " + page_num++ + ": ");
Page page = itr.Current();
int num_annots = page.GetNumAnnots();
for (int i = 0; i < num_annots; ++i)
{
Annot annot = page.GetAnnot(i);
if (!annot.IsValid()) continue;
System.Console.WriteLine("Annot Type: " + annot.GetSDFObj().Get("Subtype").Value().GetName());
Rect bbox = annot.GetRect();
System.Console.WriteLine(" Position: " + bbox.x1
+ ", " + bbox.y1
+ ", " + bbox.x2
+ ", " + bbox.y2);
switch (annot.GetType())
{
case Annot.Type.e_Link:
{
Link lnk = new Link(annot);
Action action = lnk.GetAction();
if (!action.IsValid()) continue;
if (action.GetType() == Action.Type.e_GoTo)
{
Destination dest = action.GetDest();
if (!dest.IsValid())
{
System.Console.WriteLine(" Destination is not valid");
}
else
{
int pg_num = dest.GetPage().GetIndex();
System.Console.WriteLine(" Links to: page number " + pg_num + " in this document");
}
}
else if (action.GetType() == Action.Type.e_URI)
{
uri = action.GetSDFObj().Get("URI").Value().GetAsPDFText();
System.Console.WriteLine(" Links to: " + uri);
}
// ...
}
break;
case Annot.Type.e_Widget:
break;
case Annot.Type.e_FileAttachment:
break;
// ...
default:
break;
}
}
}
// Use the high-level API to create new annotations.
Page first_page = doc.GetPage(1);
// Create a hyperlink...
Link hyperlink = Link.Create(doc, new Rect(85, 570, 503, 524), Action.CreateURI(doc, "http://www.pdftron.com"));
first_page.AnnotPushBack(hyperlink);
// Create an intra-document link...
Action goto_page_3 = Action.CreateGoto(Destination.CreateFitH(doc.GetPage(3), 0));
Link link = Link.Create(doc, new Rect(85, 458, 503, 502), goto_page_3);
link.SetColor(new ColorPt(0, 0, 1));
// Add the new annotation to the first page
first_page.AnnotPushBack(link);
// Create a stamp annotation ...
RubberStamp stamp = RubberStamp.Create(doc, new Rect(30, 30, 300, 200));
stamp.SetIcon("Draft");
first_page.AnnotPushBack(stamp);
// Create a file attachment annotation (embed the 'peppers.jpg').
FileAttachment file_attach = FileAttachment.Create(doc, new Rect(80, 280, 108, 320), (Utils.GetAssetTempFile(input_path + "peppers.jpg")));
first_page.AnnotPushBack(file_attach);
Ink ink = Ink.Create(doc, new Rect(110, 10, 300, 200));
Point pt3 = new 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);
first_page.AnnotPushBack(ink);
}
static void AnnotationLowLevelAPI(PDFDoc doc)
{
Page page = doc.GetPage(1);
Obj annots = page.GetAnnots();
if (annots == null)
{
// If there are no annotations, create a new annotation
// array for the page.
annots = doc.CreateIndirectArray();
page.GetSDFObj().Put("Annots", annots);
}
// Create the Text annotation
Obj text_annot = doc.CreateIndirectDict();
text_annot.PutName("Subtype", "Text");
text_annot.PutBool("Open", true);
text_annot.PutString("Contents", "The quick brown fox ate the lazy mouse.");
text_annot.PutRect("Rect", 266, 116, 430, 204);
// Insert the annotation in the page annotation array
annots.PushBack(text_annot);
// Create a Link annotation
Obj link1 = doc.CreateIndirectDict();
link1.PutName("Subtype", "Link");
Destination dest = Destination.CreateFit(doc.GetPage(2));
link1.Put("Dest", dest.GetSDFObj());
link1.PutRect("Rect", 85, 705, 503, 661);
annots.PushBack(link1);
// Create another Link annotation
Obj link2 = doc.CreateIndirectDict();
link2.PutName("Subtype", "Link");
Destination dest2 = Destination.CreateFit(doc.GetPage(3));
link2.Put("Dest", dest2.GetSDFObj());
link2.PutRect("Rect", 85, 638, 503, 594);
annots.PushBack(link2);
// Note that PDFNet APi can be used to modify existing annotations.
// In the following example we will modify the second link annotation
// (link2) so that it points to the 10th page. We also use a different
// destination page fit type.
link2.Put("Dest",
Destination.CreateXYZ(doc.GetPage(10), 100, 792 - 70, 10).GetSDFObj());
// Create a third link annotation with a hyperlink action (all other
// annotation types can be created in a similar way)
Obj link3 = doc.CreateIndirectDict();
link3.PutName("Subtype", "Link");
link3.PutRect("Rect", 85, 570, 503, 524);
// Create a URI action
Obj action = link3.PutDict("A");
action.PutName("S", "URI");
action.PutString("URI", "http://www.pdftron.com");
annots.PushBack(link3);
}
private static void CreateTestAnnots(PDFDoc doc) {
ElementWriter ew = new ElementWriter();
ElementBuilder eb = new ElementBuilder();
Element element;
Page first_page= doc.PageCreate(new Rect(0, 0, 600, 600));
doc.PagePushBack(first_page);
ew.Begin(first_page, ElementWriter.WriteMode.e_overlay, false ); // begin writing to this page
ew.End(); // save changes to the current page
//
// Test of a free text annotation.
//
{
FreeText txtannot = FreeText.Create( doc, new Rect(10, 400, 160, 570) );
txtannot.SetContents("\n\nSome swift brown fox snatched a gray hare out of the air by freezing it with an angry glare." +
"\n\nAha!\n\nAnd there was much rejoicing!" );
txtannot.SetBorderStyle( new Annot.BorderStyle( Annot.BorderStyle.Style.e_solid, 1, 10, 20 ) );
txtannot.SetQuaddingFormat(0);
first_page.AnnotPushBack(txtannot);
txtannot.RefreshAppearance();
}
{
FreeText txtannot = FreeText.Create( doc, new Rect(100, 100, 350, 500) );
txtannot.SetContentRect( new Rect( 200, 200, 350, 500 ) );
txtannot.SetContents( "\n\nSome swift brown fox snatched a gray hare out of the air by freezing it with an angry glare." +
"\n\nAha!\n\nAnd there was much rejoicing!" );
txtannot.SetCalloutLinePoints( new Point(200,300), new Point(150,290), new Point(110,110) );
txtannot.SetBorderStyle(new Annot.BorderStyle(Annot.BorderStyle.Style.e_solid, 1, 10, 20 ) );
txtannot.SetEndingStyle(Line.EndingStyle.e_ClosedArrow );
txtannot.SetColor( new ColorPt( 0, 1, 0 ) );
txtannot.SetQuaddingFormat(1);
first_page.AnnotPushBack(txtannot);
txtannot.RefreshAppearance();
}
{
FreeText txtannot = FreeText.Create( doc, new Rect(400, 10, 550, 400) );
txtannot.SetContents( "\n\nSome swift brown fox snatched a gray hare out of the air by freezing it with an angry glare." +
"\n\nAha!\n\nAnd there was much rejoicing!" );
txtannot.SetBorderStyle( new Annot.BorderStyle( Annot.BorderStyle.Style.e_solid, 1, 10, 20 ) );
txtannot.SetColor( new ColorPt( 0, 0, 1 ) );
txtannot.SetOpacity( 0.2 );
txtannot.SetQuaddingFormat(2);
first_page.AnnotPushBack(txtannot);
txtannot.RefreshAppearance();
}
Page page= doc.PageCreate(new Rect(0, 0, 600, 600));
doc.PagePushBack(page);
ew.Begin(page, ElementWriter.WriteMode.e_overlay, false ); // begin writing to this page
eb.Reset(); // Reset the GState to default
ew.End(); // save changes to the current page
{
//Create a Line annotation...
Line line = Line.Create(doc, new Rect(250, 250, 400, 400));
line.SetStartPoint( new Point(350, 270 ) );
line.SetEndPoint( new Point(260,370) );
line.SetStartStyle(Line.EndingStyle.e_Square);
line.SetEndStyle(Line.EndingStyle.e_Circle);
line.SetColor(new ColorPt(.3, .5, 0), 3);
line.SetContents( "Dashed Captioned" );
line.SetShowCaption(true);
line.SetCaptionPosition(Line.CapPos.e_Top );
double[] dash = new double[2];
dash[0] = 2;
dash[1] = 2.0;
line.SetBorderStyle( new Annot.BorderStyle( Annot.BorderStyle.Style.e_dashed, 2, 0, 0, dash ) );
line.RefreshAppearance();
page.AnnotPushBack(line);
}
{
Line line=Line.Create(doc, new Rect(347, 377, 600, 600));
line.SetStartPoint( new Point(385, 410 ) );
line.SetEndPoint(new Point(540,555) );
line.SetStartStyle(Line.EndingStyle.e_Circle);
line.SetEndStyle(Line.EndingStyle.e_OpenArrow);
line.SetColor(new ColorPt(1, 0, 0), 3);
line.SetInteriorColor(new ColorPt(0, 1, 0), 3);
line.SetContents( "Inline Caption" );
line.SetShowCaption(true);
line.SetCaptionPosition( Line.CapPos.e_Inline);
line.SetLeaderLineExtensionLength( -4 );
line.SetLeaderLineLength( -12 );
line.SetLeaderLineOffset( 2 );
line.RefreshAppearance();
page.AnnotPushBack(line);
}
{
Line line=Line.Create(doc, new Rect(10, 400, 200, 600));
line.SetStartPoint(new Point(25, 426 ) );
line.SetEndPoint(new Point(180,555) );
line.SetStartStyle(Line.EndingStyle.e_Circle);
line.SetEndStyle(Line.EndingStyle.e_Square);
line.SetColor(new ColorPt(0, 0, 1), 3);
line.SetInteriorColor(new ColorPt(1, 0, 0), 3);
line.SetContents("Offset Caption");
line.SetShowCaption(true);
line.SetCaptionPosition( Line.CapPos.e_Top );
line.SetTextHOffset( -60 );
line.SetTextVOffset( 10 );
line.RefreshAppearance();
page.AnnotPushBack(line);
}
{
Line line=Line.Create(doc, new Rect(200, 10, 400, 70));
line.SetStartPoint(new Point(220, 25 ) );
line.SetEndPoint(new Point(370,60) );
line.SetStartStyle(Line.EndingStyle.e_Butt);
line.SetEndStyle(Line.EndingStyle.e_OpenArrow);
line.SetColor(new ColorPt(0, 0, 1), 3);
line.SetContents("Regular Caption");
line.SetShowCaption(true);
line.SetCaptionPosition( Line.CapPos.e_Top );
line.RefreshAppearance();
page.AnnotPushBack(line);
}
{
Line line=Line.Create(doc, new Rect(200, 70, 400, 130));
line.SetStartPoint(new Point(220, 111 ) );
line.SetEndPoint(new Point(370,78) );
line.SetStartStyle(Line.EndingStyle.e_Circle);
line.SetEndStyle(Line.EndingStyle.e_Diamond);
line.SetContents("Circle to Diamond");
line.SetColor(new ColorPt(0, 0, 1), 3);
line.SetInteriorColor(new ColorPt(0, 1, 0), 3);
line.SetShowCaption(true);
line.SetCaptionPosition( Line.CapPos.e_Top );
line.RefreshAppearance();
page.AnnotPushBack(line);
}
{
Line line=Line.Create(doc, new Rect(10, 100, 160, 200));
line.SetStartPoint(new Point(15, 110 ) );
line.SetEndPoint(new Point(150, 190) );
line.SetStartStyle(Line.EndingStyle.e_Slash);
line.SetEndStyle(Line.EndingStyle.e_ClosedArrow);
line.SetContents("Slash to CArrow");
line.SetColor(new ColorPt(1, 0, 0), 3);
line.SetInteriorColor(new ColorPt(0, 1, 1), 3);
line.SetShowCaption(true);
line.SetCaptionPosition( Line.CapPos.e_Top );
line.RefreshAppearance();
page.AnnotPushBack(line);
}
{
Line line=Line.Create(doc, new Rect( 270, 270, 570, 433 ));
line.SetStartPoint(new Point(300, 400 ) );
line.SetEndPoint(new Point(550, 300) );
line.SetStartStyle(Line.EndingStyle.e_RClosedArrow);
line.SetEndStyle(Line.EndingStyle.e_ROpenArrow);
line.SetContents("ROpen & RClosed arrows");
line.SetColor(new ColorPt(0, 0, 1), 3);
line.SetInteriorColor(new ColorPt(0, 1, 0), 3);
line.SetShowCaption(true);
line.SetCaptionPosition( Line.CapPos.e_Top );
line.RefreshAppearance();
page.AnnotPushBack(line);
}
{
Line line=Line.Create(doc, new Rect( 195, 395, 205, 505 ));
line.SetStartPoint(new Point(200, 400 ) );
line.SetEndPoint(new Point(200, 500) );
line.RefreshAppearance();
page.AnnotPushBack(line);
}
{
Line line=Line.Create(doc, new Rect( 55, 299, 150, 301 ));
line.SetStartPoint(new Point(55, 300 ) );
line.SetEndPoint(new Point(155, 300) );
line.SetStartStyle(Line.EndingStyle.e_Circle);
line.SetEndStyle(Line.EndingStyle.e_Circle);
line.SetContents("Caption that's longer than its line.");
line.SetColor(new ColorPt(1, 0, 1), 3);
line.SetInteriorColor(new ColorPt(0, 1, 0), 3);
line.SetShowCaption(true);
line.SetCaptionPosition( Line.CapPos.e_Top );
line.RefreshAppearance();
page.AnnotPushBack(line);
}
{
Line line=Line.Create(doc, new Rect( 300, 200, 390, 234 ));
line.SetStartPoint(new Point(310, 210 ) );
line.SetEndPoint(new Point(380, 220) );
line.SetColor(new ColorPt(0, 0, 0), 3);
line.RefreshAppearance();
page.AnnotPushBack(line);
}
Page page3 = doc.PageCreate(new Rect(0, 0, 600, 600));
ew.Begin(page3); // begin writing to the page
ew.End(); // save changes to the current page
doc.PagePushBack(page3);
{
Circle circle = Circle.Create(doc, new Rect( 300, 300, 390, 350 ));
circle.SetColor(new ColorPt(0, 0, 0), 3);
circle.RefreshAppearance();
page3.AnnotPushBack(circle);
}
{
Circle circle= Circle.Create(doc, new Rect( 100, 100, 200, 200 ));
circle.SetColor(new ColorPt(0, 1, 0), 3);
circle.SetInteriorColor(new ColorPt(0, 0, 1), 3);
double[] dash = new double[2];
dash[0]=2;dash[1]=4;
circle.SetBorderStyle(new Annot.BorderStyle( Annot.BorderStyle.Style.e_dashed, 3, 0, 0, dash ) );
circle.SetPadding( new Rect(2,2,2,2) );
circle.RefreshAppearance();
page3.AnnotPushBack(circle);
}
{
Square sq = Square.Create( doc, new Rect(10,200, 80, 300 ) );
sq.SetColor(new ColorPt(0, 0, 0), 3);
sq.RefreshAppearance();
page3.AnnotPushBack( sq );
}
{
Square sq = Square.Create( doc, new Rect(500,200, 580, 300 ) );
sq.SetColor(new ColorPt(1, 0, 0), 3);
sq.SetInteriorColor(new ColorPt(0, 1, 1), 3);
double[] dash = new double[2];
dash[0]=4;dash[1]=2;
sq.SetBorderStyle(new Annot.BorderStyle( Annot.BorderStyle.Style.e_dashed, 6, 0, 0, dash ) );
sq.SetPadding( new Rect(4,4,4,4) );
sq.RefreshAppearance();
page3.AnnotPushBack( sq );
}
{
Polygon poly = Polygon.Create(doc, new Rect(5, 500, 125, 590));
poly.SetColor(new ColorPt(1, 0, 0), 3);
poly.SetInteriorColor(new ColorPt(1, 1, 0), 3);
poly.SetVertex(0, new Point(12,510) );
poly.SetVertex(1, new Point(100,510) );
poly.SetVertex(2, new Point(100,555) );
poly.SetVertex(3, new Point(35,544) );
poly.SetBorderStyle(new Annot.BorderStyle( Annot.BorderStyle.Style.e_solid, 4, 0, 0 ) );
poly.SetPadding( new Rect(4,4,4,4) );
poly.RefreshAppearance();
page3.AnnotPushBack( poly );
}
{
PolyLine poly = PolyLine.Create(doc, new Rect(400, 10, 500, 90));
poly.SetColor(new ColorPt(1, 0, 0), 3);
poly.SetInteriorColor(new ColorPt(0, 1, 0), 3);
poly.SetVertex(0, new Point(405,20) );
poly.SetVertex(1, new Point(440,40) );
poly.SetVertex(2, new Point(410,60) );
poly.SetVertex(3, new Point(470,80) );
poly.SetBorderStyle( new Annot.BorderStyle( Annot.BorderStyle.Style.e_solid, 2, 0, 0 ) );
poly.SetPadding( new Rect(4,4,4,4) );
poly.SetStartStyle( Line.EndingStyle.e_RClosedArrow );
poly.SetEndStyle( Line.EndingStyle.e_ClosedArrow );
poly.RefreshAppearance();
page3.AnnotPushBack( poly );
}
{
Link lk = Link.Create( doc, new Rect(5,5,55,24) );
//lk.SetColor( ColorPt(0,1,0), 3 );
lk.RefreshAppearance();
page3.AnnotPushBack( lk );
}
Page page4 = doc.PageCreate(new Rect(0, 0, 600, 600));
ew.Begin(page4); // begin writing to the page
ew.End(); // save changes to the current page
doc.PagePushBack(page4);
{
ew.Begin( page4 );
Font font = Font.Create(doc, Font.StandardType1Font.e_helvetica);
element = eb.CreateTextBegin( font, 16 );
element.SetPathFill(true);
ew.WriteElement(element);
element = eb.CreateTextRun( "Some random text on the page", font, 16 );
element.SetTextMatrix(1, 0, 0, 1, 100, 500 );
ew.WriteElement(element);
ew.WriteElement( eb.CreateTextEnd() );
ew.End();
}
{
Highlight hl = Highlight.Create( doc, new Rect(100,490,150,515) );
hl.SetColor(new ColorPt(0,1,0), 3 );
hl.RefreshAppearance();
page4.AnnotPushBack( hl );
}
{
Squiggly sq = Squiggly.Create( doc, new Rect(100,450,250,600) );
//sq.SetColor( ColorPt(1,0,0), 3 );
sq.SetQuadPoint( 0, new QuadPoint(new Point( 122,455), new Point(240, 545), new Point(230, 595), new Point(101,500 ) ) );
sq.RefreshAppearance();
page4.AnnotPushBack( sq );
}
{
Caret cr = Caret.Create( doc, new Rect(100,40,129,69) );
cr.SetColor( new ColorPt(0,0,1), 3 );
cr.SetSymbol( "P" );
cr.RefreshAppearance();
page4.AnnotPushBack( cr );
}
Page page5 = doc.PageCreate(new Rect(0, 0, 600, 600));
ew.Begin(page5); // begin writing to the page
ew.End(); // save changes to the current page
doc.PagePushBack(page5);
Page page6 = doc.PageCreate(new Rect(0, 0, 600, 600));
ew.Begin(page6); // begin writing to the page
ew.End(); // save changes to the current page
doc.PagePushBack(page6);
{
Text txt = Text.Create( doc, new Rect( 10, 20, 30, 40 ) );
txt.SetIcon( "UserIcon" );
txt.SetContents( "User defined icon, unrecognized by appearance generator" );
txt.SetColor(new ColorPt(0,1,0) );
txt.RefreshAppearance();
page6.AnnotPushBack( txt );
}
{
Ink ink = Ink.Create( doc, new Rect( 100, 400, 200, 550 ) );
ink.SetColor(new ColorPt(0,0,1) );
ink.SetPoint( 1, 3, new Point( 220, 505) );
ink.SetPoint( 1, 0, new Point( 100, 490) );
ink.SetPoint( 0, 1, new Point( 120, 410) );
ink.SetPoint( 0, 0, new Point( 100, 400) );
ink.SetPoint( 1, 2, new Point( 180, 490) );
ink.SetPoint( 1, 1, new Point( 140, 440) );
ink.SetBorderStyle( new Annot.BorderStyle( Annot.BorderStyle.Style.e_solid, 3, 0, 0 ) );
ink.RefreshAppearance();
page6.AnnotPushBack( ink );
}
Page page7 = doc.PageCreate(new Rect(0, 0, 600, 600));
ew.Begin(page7); // begin writing to the page
ew.End(); // save changes to the current page
doc.PagePushBack(page7);
{
Sound snd = Sound.Create( doc, new Rect( 100, 500, 120, 520 ) );
snd.SetColor( new ColorPt(1,1,0) );
snd.SetIcon(Sound.Icon.e_Speaker );
snd.RefreshAppearance();
page7.AnnotPushBack( snd );
}
{
Sound snd = Sound.Create( doc, new Rect( 200, 500, 220, 520 ) );
snd.SetColor(new ColorPt(1,1,0) );
snd.SetIcon(Sound.Icon.e_Mic );
snd.RefreshAppearance();
page7.AnnotPushBack( snd );
}
Page page8 = doc.PageCreate(new Rect(0, 0, 600, 600));
ew.Begin(page8); // begin writing to the page
ew.End(); // save changes to the current page
doc.PagePushBack(page8);
for( int ipage =0; ipage < 2; ++ipage ) {
double px = 5, py = 520;
for (RubberStamp.Icon istamp = RubberStamp.Icon.e_Approved;
istamp <= RubberStamp.Icon.e_Draft;
istamp = (RubberStamp.Icon) ( (int)(istamp) + 1 ) ) {
RubberStamp stmp = RubberStamp.Create( doc, new Rect(1,1,100,100) );
stmp.SetIcon( istamp );
stmp.SetContents(stmp.GetIconName());
stmp.SetRect(new Rect(px, py, px+100, py+25 ) );
py -= 100;
if( py < 0 ) {
py = 520;
px += 200;
}
if( ipage == 0 ){
//page7.AnnotPushBack( st );
;
}
else {
page8.AnnotPushBack(stmp);
stmp.RefreshAppearance();
}
}
}
RubberStamp st = RubberStamp.Create( doc, new Rect(400,5,550,45) );
st.SetIcon( "UserStamp" );
st.SetContents( "User defined stamp" );
page8.AnnotPushBack( st );
st.RefreshAppearance();
}
// Relative path to the folder containing test files.
const string input_path = "TestFiles/";
/// <summary>
/// The main entry point for the application.
/// </summary>
[Test]
public static void Sample()
{
try
{
using (PDFDoc doc = new PDFDoc(Utils.GetAssetTempFile(input_path + "numbered.pdf")))
{
doc.InitSecurityHandler();
// An example of using SDF/Cos API to add any type of annotations.
AnnotationLowLevelAPI(doc);
doc.Save(Utils.CreateExternalFile("annotation_test1.pdf"), SDFDoc.SaveOptions.e_linearized);
System.Console.WriteLine("Done. Results saved in annotation_test1.pdf");
// An example of using the high-level PDFNet API to read existing annotations,
// to edit existing annotations, and to create new annotation from scratch.
AnnotationHighLevelAPI(doc);
doc.Save(Utils.CreateExternalFile("annotation_test2.pdf"), SDFDoc.SaveOptions.e_linearized);
System.Console.WriteLine("Done. Results saved in annotation_test2.pdf");
}
// an example of creating various annotations in a brand new document
using (PDFDoc doc1 = new PDFDoc())
{
CreateTestAnnots(doc1);
doc1.Save(Utils.CreateExternalFile("new_annot_test_api.pdf"), SDFDoc.SaveOptions.e_linearized);
System.Console.WriteLine("Saved new_annot_test_api.pdf");
}
}
catch (PDFNetException e)
{
System.Console.WriteLine(e.Message);
Assert.True(false);
}
}
}
}