Add a highlight annotation to a PDF on Server/Desktop

To add a highlight annotation to a PDF Document page.

1$doc = new PDFDoc($filename);
2$page = $doc->GetPage(1);
3
4// Create a highlight
5$hl = HighlightAnnot::Create( $doc->GetSDFDoc(), new Rect(100.0,490.0,150.0,515.0) );
6$hl->SetColor( new ColorPt(0.0,1.0,0.0), 3 );
7$hl->RefreshAppearance();
8$page->AnnotPushBack( $hl );

Add or edit PDF annotations sample
Full code sample which shows how to add or edit PDF annotations (e.g. hyperlink, intra-document link, stamp, rubber stamp, file attachment, sound, text, free-text, line, circle, square, polygon, polyline, highlight, squiggly, caret, and ink).

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