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I'm using the tcpdf PHP class for creating PDFs. Is there any solution to add tooltips to links?
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The Tooltip also displays text that users may find helpful in filling in the form field. Tooltips appear when the pointer hovers briefly over the form field.
1. Select Tools ->Options. 2. Select Workspace and under Page View Options, select or deselect Display Object Name Tooltips While Pointing.
Links itself cannot have tooltips. Viewers always show the URL.
But TCPDF can add "Annotations", which is the closest you can get to tooltips (but have to be assigned to a rectangle area instead of to text/paragraphs). http://www.tecnick.com/pagefiles/tcpdf/doc/com-tecnick-tcpdf/TCPDF.html#methodAnnotation
You'll have to refer to the PDF specification. Section 8.4 and 8.4.5, and you are looking for "Popup". http://www.adobe.com/devnet/pdf/pdfs/PDFReference16.pdf
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